Relevant bibliographies by topics / Eucalyptus oil

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Academic literature on the topic 'Eucalyptus oil'

Author: Grafiati
Published: 4 June 2021
Last updated: 26 January 2023

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Journal articles on the topic "Eucalyptus oil"

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Nguyen, Ba Van, Tran Thi Kieu Ngân, Nguyen Thi My Ngoc, Ngo Nguyen Thuy Hang, Nguyen Thi Ngoc Chau, Hua Hoang Tay, and Nguyen Kim Dong. "ESSENTIAL OILS OBTAINED FROM EUCALYPTUS AND CYMBOPOGON LEAVES BY STEAM DISTILLATION FOR MAKING NATURAL MIXTURE HAVING EFFECT AS A MOSQUITO REPELLENT." Vietnam Journal of Science and Technology 58, no. 6A (March 31, 2021): 236. http://dx.doi.org/10.15625/2525-2518/58/6a/15548.

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Abstract-HCTN7. Natural essential oils of plant have been applied over the world becausef these biosafety natural compounds. Applicant levels from the steaming pot among the common people to the raw essential oils or pure extract essence from original natural sources for making special products. Eucalyptus essential oil obtains from Eucalyptus leaves contain 998 mg/L α-eucalyptol, Cymbopogon essential oil obtains from lemon grasses contain 64,8% citral. These essential oils have been paid attention because of there were abundant raw materials in the Mekong Delta area. Therefore, the study was conducted to aim of extracting essential oils from Eucalyptus and Cymbopogon leaves as well as examminate their effect on mosquito repellent. The factors affecting the amount of extracted oils are the time to withered materials (0 h; 2.5 h; 5 h), how the way to preliminary treatment of the materials (crushing or without crushing), the distilled water aidding (400 mL, 500 mL, 600 mL)/300g materials, the distillation time (2 h; 2.5 h; 3 h). The data was evaluated by statistical program. Mixing ratio of Cymbopogon oil: Eucalyptus oil: coconut oil, one of the important criteria to be investigated for evaluating the ability to repel mosquitoes is in turn (40:10:50), (35:15:50), (30:20:50). Experimental results reveal that crushing (Cymbopogon), without crushing (Eucalyptus) of fresh materials, 500 mL of distilled water aidding, 3 h of distillation time were the best during the oil extraction process. The contents of mixing formula of the Cymbopogon essiential oil: Eucalyptus essiential oil: coconut oil (40: 10: 50) is the most effective with the ability to falling mosquitoes only after 5 minutes and killing 84.67% mosquitoes after 24 hours. The natural mixture of Cymbopogon oil, Eucalyptus oil, and coconut oil, safety for human health and more friendly to the environment.Keywords: Coconut oil, Eucalyptus essential oil, Eucalyptus leaves, Cymbopogon essential oil, Cymbopogon leaves, mosquito repellent, steam distillation.Classification numbers:1.4.6.
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Kumar, KJagadish, Sandeep Sonnathi, C. Anitha, and M. Santhoshkumar. "Eucalyptus oil poisoning." Toxicology International 22, no. 1 (2015): 170. http://dx.doi.org/10.4103/0971-6580.172259.

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Zainab Muhsan, Alnaji, and Ali Ali Khalaf. "Histological Study for Median lethal Dose (LD50) of Eucalyptus Oil Administrated Orally in ( Mice mus musculus)." Bionatura 7, no. 2 (May 15, 2022): 1–7. http://dx.doi.org/10.21931/rb/2022.07.02.49.

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Eucalyptus oil is used in a wide range of medicinal and other uses, and the current study aims to estimate the median lethal dose LD50 of eucalyptus oil of Eucalyptus camaldulensis and estimate the pathological effect of eucalyptus oil in mice. Eucalyptus oil was obtained in the study by extracting the leaves of the plant Eucalyptus camaldulensis using hydrodistillation. Toxicity testing was performed by dividing mice into groups that you treated with different doses of eucalyptus oil 1200, 1600, 2000, and 2400 mg/kg. The current study showed that the average lethal dose, the LD50, was 1820 mg/kg. The study suggested the emergence of clinical signs in mice when consuming eucalyptus oil in high doses, such as slow movement, suffocation, and convulsion, compared with the control group and the group that administered a lower dose, It was observed that high doses of eucalyptus oil could cause damage to the lung, liver, kidneys, and heart, as the lung was the organ most affected by the oil, followed by the liver, kidneys, and then the heart, and it was less affected by eucalyptus oil, and this indicates that eucalyptus oil, when administered orally in high doses, causes clear toxicity effects. Eucalyptus oil is a safe medicine for external use. Keywords. Eucalyptus oil, LD50; Administrated; Lung; Liver; Heart; Kidney; Mice.
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de Groot, Anton C., and Erich Schmidt. "Eucalyptus oil and tea tree oil." Contact Dermatitis 73, no. 6 (July 15, 2015): 381–86. http://dx.doi.org/10.1111/cod.12450.

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Et. al., Dr P. Rajasulochana,. "RESEARCH STUDIES ON EVALUATION OF PHYTOCHEMICAL AND ANTIBACTERIAL ACTIVITY OF COLD ETHANOIC EXTRACT OF EUCALYPTUS OIL." INFORMATION TECHNOLOGY IN INDUSTRY 9, no. 2 (April 13, 2021): 1164–68. http://dx.doi.org/10.17762/itii.v9i2.467.

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Medicinal plants which have antimicrobial compounds act against various pathogens. Myrtle family have different species. Eucalyptus is one among the myrtle family. Eucalyptus have different antimicrobial compounds. The plant grows well in many countries. This fast growing plant have different parts, each part has its own significant medicinal values lik timber, pulpwood, and different essential oils. Our research study showed phytochemical composition and antibacterial activities of eucalyputs leaves. The sample of eucalyptus is collected in the powder form. The eucalyptus powder is mixed into a cold ethanol and dry in a hot air oven. The dried extract was swapped and measured. Weighted 2.096g respectively and then the extract is used for phytochemical analysis and for quantitative analysis and then for antibacterial assay The results of this study suggest that the different concentrations of eucalyptus with various concentrations showed potential antibacterial activity.
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Darben, Troy, Belle Cominos, and CT Lee. "Topical eucalyptus oil poisoning." Australasian Journal of Dermatology 39, no. 4 (November 1998): 265–67. http://dx.doi.org/10.1111/j.1440-0960.1998.tb01488.x.

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Young, Sarah, Ronan O'Driscoll, Marissa Antony, and Ian Whyte. "Massive eucalyptus oil overdose." Internal Medicine Journal 47, no. 9 (September 2017): 1085–86. http://dx.doi.org/10.1111/imj.13532.

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Jun, Yang Suk, Purum Kang, Sun Seek Min, Jeong-Min Lee, Hyo-Keun Kim, and Geun Hee Seol. "Effect of Eucalyptus Oil Inhalation on Pain and Inflammatory Responses after Total Knee Replacement: A Randomized Clinical Trial." Evidence-Based Complementary and Alternative Medicine 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/502727.

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Eucalyptus oil has been reported effective in reducing pain, swelling, and inflammation. This study aimed to investigate the effects of eucalyptus oil inhalation on pain and inflammatory responses after total knee replacement (TKR) surgery. Participants were randomized 1 : 1 to intervention group (eucalyptus inhalation group) or control group (almond oil inhalation group). Patients inhaled eucalyptus or almond oil for 30 min of continuous passive motion (CPM) on 3 consecutive days. Pain on a visual analog scale (VAS), blood pressure, heart rate, C-reactive protein (CRP) concentration, and white blood cell (WBC) count were measured before and after inhalation. Pain VAS on all three days (P<.001) and systolic (P<.05) and diastolic (P=.03) blood pressure on the second day were significantly lower in the group inhaling eucalyptus than that inhaling almond oil. Heart rate, CRP, and WBC, however, did not differ significantly in the two groups. In conclusion, inhalation of eucalyptus oil was effective in decreasing patient's pain and blood pressure following TKR, suggesting that eucalyptus oil inhalation may be a nursing intervention for the relief of pain after TKR.
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Behuku, WillY Marthen, Agustinus Kastanya, and D. V. Pattimahu. "ANALISIS NILAI TAMBAH EKONOMI (Economy Value Added) UNTUK MENGUKUR KINERJA KEUANGAN PETANI MINYAK KAYU PUTIH DESA PELA DAN BATU JUNGKU DI WILAYAH KERJA KESATUAN PENGELOLAAN HUTAN PRODUKSI (KPHP) MODEL UNIT III WAE TINA." JURNAL HUTAN PULAU-PULAU KECIL 1, no. 1 (September 1, 2016): 66. http://dx.doi.org/10.30598/10.30598/jhppk.2016.1.1.66.

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Eucalyptus oil venture which developed in the working area of Production Forest Management Unit (KPHP) Model Unit III Wae Tina, is one of the livelihood for generations have grown by farmers white wood craftsmen. In conducting the research study analyzes the economic value added (economy value added) to measure the financial performance of farmers eucalyptus oil in the working area KPHP Model Unit III Wae Tina, there are two villages in the research samples, the Village and the village of Stone Jungku Pela. Eucalyptus oil processing performed by farmers artisans in both villages are still in the scale of household businesses with simple processing techniques, and the resulting oil production is still very limited. Thus also influence the level of prosperity and stability craftsmen farmers financially. Yields of eucalyptus leaves which are then processed into eucalyptus oil by local farmers, in terms of financial yield considerable benefits for farmers and landowners employees who worked as eucalyptus oil processing. From the calculation of economy value added (EVA) obtained value is 301 222 845, where the results showed that the economy added value is greater than zero (EVA> 0). This means that companies in this case eucalyptus oil farming communities that are part of the Model Unit III Wae KPHP Tina in business operations run eucalyptus oil are added value. In other words, eucalyptus oil business is conducted with the production and distribution of products can be quite good because it can produce added value for entrepreneurs that can serve as indicators to measure the success and future business continuity.
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Silva, Paulo Henrique Müller da, José Otávio Brito, and Francides Gomes da Silva Junior. "Potential of eleven Eucalyptus species for the production of essential oils." Scientia Agricola 63, no. 1 (February 2006): 85–89. http://dx.doi.org/10.1590/s0103-90162006000100014.

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Most Eucalyptus plantations in Brazil aim the production of paper and charcoal, but the use of the species for lumbering, construction and extraction of essential oil has increased. Eleven species of Eucalyptus were assessed in regard to their essential oil production potential, nine never used before for commercial, essential oil extraction. Assessements were compared with Eucalyptus citriodora and Eucalyptus globulus, already explored in oil production for perfume and medical purposes, aiming to increase the availability of commercial species and the relationship between oil production and climatic conditions. Eucalyptus leaves were seasonally sampled (three months interval) for distillation and determination of productivity and chemical composition of oil - contents of oils main components. Eucalyptus viminalis showed the highest potential for cineol, and standed out among the species not yet used commercially. Influenced by soil moisture contents and air temperature, the lowest and the highest oil production happened respectively in Spring and Summer. Water deficiency in Spring caused the lowest oil production. In the Summer, on the other hand, the highest oil production was observed when temperatures were higher and no water deficiency registered. There was no climatic influence on the main oil chemical component.
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Dissertations / Theses on the topic "Eucalyptus oil"

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Tjandra, Juhana. "Eucalyptus oil: Sources, analysis and chemical properties." Thesis, Tjandra, Juhana (1986) Eucalyptus oil: Sources, analysis and chemical properties. PhD thesis, Murdoch University, 1986. https://researchrepository.murdoch.edu.au/id/eprint/51658/.

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A rapid and accurate solvent extraction - gas chromatographic analytical procedure was developed for the combined qualitative and quantitative chemical analysis of terpenoids from the leaves of eucalypts. The solvent extraction method was also applied successfully to the dry weight determination of the plant materials. The proposed method is efficient in time, cost and space. In comparative studies, it was shown to be more reliable than previous techniques. Using the new procedure, leaf oils of naturally occurring eucalypts in Western Australia were analysed systematically for the first time. Eucalyptus Kochii subsp. kochii and E. kochii subsp. plenissima were selected as the outstanding oil producing species yielding up to 8% on a dry weight basis. Analysis of the volatile oil revealed a composition of 90% 1,8-cineole and 5% other monoterpenoids. The significant seasonal trends and intraspecies variation in the essential oil yield were investigated over a two year period. The volatile oil composition patterns of various eucalypts obtained from high resolution capillary gas chromatography were shown to serve as finger prints, providing additional information at species and subspecies level to assist in the more difficult Eucalyptus taxonomic problems. Eucalyptus oil and its main components were investigated as potential cosolvents for aqueous ethanol/petrol fuel mixtures. Results showed that the incorporation of 1 to 3% eucalyptus oil or its main components such as 1,8-cineole increased the water tolerance and long-term phase stability of the fuel mixtures. Eucalyptus-derived fuels were found to have calorific values in the range of 4000 to 4500 kJ/kg similar to those of petroleum fuels. Liquid-liquid equilibrium data for the system unleaded petrol/ ethanol/water/1,8-cineole, and the ternary system ethanol/water/1,8-cineole were investigated isothermally. An apparatus replacing the less sensitive visual observation and facilitating cloud point determination was designed for this purpose. Ternary phase diagrams were determined, complete with tie-lines, thus fully characterizing the two-phase area. The tie-line data were correlated by the methods of Hand and Othmer-Tobias. A brief account of the history, economics and future viability of the eucalyptus oil industry is presented.
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Herculano, Emanuele Duarte. "Nanoencapsulated Eucalyptus staigeriana essential oil for use as a food preservative." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=12132.

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FundaÃÃo Cearense de Apoio ao Desenvolvimento Cientifico e TecnolÃgico
In this study, the Eucalyptus staigeriana essential oil (ESO) was nanoencapsulated and determined the bactericidal effect of its active principle against two strains of pathogenic mircrorganisms, as a preliminary study for use in food preservation. The process occurred by forming a nanoemulsion and spray-drying, using the cashew gum (CG) as encapsulating material. The nanoparticles were characterized by analysis of particle size distribution, zeta potential, absorption spectroscopy in the infrared Fourier transform spectroscopy (FTIR), thermal analysis (TGA/DSC), in vitro release kinetics, gas chromatography coupled to mass spectrometry (GC-MS) and stability of the encapsulated. Was also determined the Minimum Bactericidal Concentration (MBC) of nanoparticles, essential oil, and cashew gum to evaluate its antimicrobial activity against Listeria monocytogenes ATCC 19115 (Gram-positive) and Salmonella Enteritidis IAL 1132 (Gram-negative). The nanoparticles had size ranging from 27.70 Â 3.42 nm to 432.67 Â 41.47 nm in accordance with the formulation, and negatively charged surface. The presence of ESO in the nanoparticles is observed through changes in peak resolutions of the spectra obtained by FT-IR. Thermal analysis showed the main events of mass loss of the samples associated with the degradation of CG. The content of ESO nanoencapsulated varied between 4.76% and 7.12%. The increase in the proportion of CG favored the rapid release of oil in water due to the increased hydrophilic character, and enhance the ability of the nanoparticles to retain the ESO in the polymeric shell during the 365 days. The results for MBC indicated a bactericidal action of the nanoencapsulated oil, and pure oil more efficient in Gram-positive. However, the nanoparticles showed better results against Gram-negative bacteria, due to a possible synergistic effect between the CG and ESO.
Neste trabalho, o Ãleo essencial de Eucalyptus staigeriana (OES) foi nanoencapsulado e determinado o efeito bactericida de seu princÃpio ativo contra duas cepas de mircrorganismos patogÃnicos, como um estudo preliminar para utilizaÃÃo na conservaÃÃo de alimentos. O processo ocorreu atravÃs da formaÃÃo de uma nanoemulsÃo e secagem em spray-drying utilizando a goma de cajueiro (GC) como material encapsulante. As nanopartÃculas foram caracterizadas atravÃs das anÃlises de tamanho e distribuiÃÃo de partÃcula, potencial zeta, espectroscopia de absorÃÃo na regiÃo do infravermelho com transformada de Fourier (FTIR), anÃlise tÃrmica (TGA/DSC), cinÃtica de liberaÃÃo in vitro, cromatografia gasosa acoplada à espectrometria de massa (CG-EM) e estabilidade do encapsulado. Foi tambÃm determinada a ConcentraÃÃo Bactericida MÃnima (CBM) das nanopartÃculas, do Ãleo essencial e da goma de cajueiro para avaliar sua aÃÃo antimicrobiana contra Listeria monocytogenes ATCC 19115 (Gram-positiva) e Salmonella Enteritidis IAL 1132 (Gram-negativa). As nanopartÃculas apresentaram tamanho que variaram de 27,70  3,42 nm a 432,67  41,47 nm, de acordo com a formulaÃÃo, e a superfÃcie carregada negativamente. A presenÃa do OES nas nanopartÃculas à observada atravÃs de modificaÃÃes nas resoluÃÃes de pico dos espectros obtidos por FTIR. A anÃlise tÃrmica evidenciou os principais eventos de perda de massa das amostras associados à degradaÃÃo de GC. O teor de OES nanoencapsulado variou entre 4,76 % e 7,12 %. O aumento na proporÃÃo de GC favoreceu a uma rÃpida liberaÃÃo do Ãleo em Ãgua devido ao aumento do carÃter hidrofÃlico, alÃm de aumentar a capacidade das nanopartÃculas em reter o OES no invÃlucro polimÃrico no decorrer dos 365 dias. Os resultados para CBM indicaram uma aÃÃo bactericida do Ãleo nanoencapsulado e do Ãleo puro mais eficiente na bactÃria Gram-positiva. No entanto, as nanopartÃculas mostraram um resultado melhor contra a bactÃria Gram-negativa, devido a um possÃvel efeito sinÃrgico entre a GC e o OES.
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Bell, Sarah Jayne. "Researching sustainability : material semiotics and the Oil Mallee Project." Access via Murdoch University Digital Theses Project, 2003. http://wwwlibmurdoch.edu.au/adt/browse/view/adt-MU20040302.153647.

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Hendry, Emma. "Studies on enhanced surface disinfection and skin antisepsis using chlorhexidine and eucalyptus oil." Thesis, Aston University, 2011. http://publications.aston.ac.uk/15813/.

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Healthcare associated infections may arise from many sources, including patient?s own skin flora and the clinical environment, and inflict a significant burden within the health service. Adequate and effective skin antisepsis and surface disinfection are therefore essential factors in infection control. Current EPIC guidelines recommend 2 % chlorhexidine (CHG) in 70 % isopropyl alcohol (IPA) for skin antisepsis however poor penetration has been reported. Eucalyptus oil (EO) is a known permeation enhancer, producing synergistic antimicrobial activity when combined with CHG. In this current study, the antimicrobial efficacy of EO and its main constituent 1,8-cineole were assessed against a panel of clinically relevant microorganisms, alone and in combination with CHG. The superior antimicrobial efficacy of EO compared with 1,8-cineole, and synergistic effects with CHG against planktonic and biofilm cultures, confirmed its suitability for use in subsequent studies within this thesis. Impregnation of EO, CHG and IPA onto prototype hard surface disinfectant wipes demonstrated significantly improved efficacy compared with CHG/IPA wipes, with clear reductions in the time required to eliminate biofilms. Optimisation of the EO/CHG/IPA formulation resulted in the development of Euclean® wipes, with simulated-use and time kill studies confirming their ability to remove microbial surface contamination, prevent cross contamination and eliminate biofilms within 10 minutes. The employment of isothermal calorimetry provided additional information on the type and rate of antimicrobial activity possessed by Euclean® wipes. A clinical audit of the Euclean® wipes at Birmingham Children?s Hospital, Birmingham, U.K. revealed divided staff opinion, with the highest cited advantage and disadvantage concerning the odour. Finally, skin penetration and cell toxicity studies of EO/CHG biopatches and Euclean® solution developed during this study, revealed no permeation into human skin following biopatch application, and no significant toxicity. These current studies enhance the knowledge regarding EO and its potential applications.
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Olvera, Monroy Marco Antonio. "INFLUENCIA DEL ACEITE DE EUCALIPTO EN LOS COMPONENTES QUÍMICOS, PRODUCCIÓN DE GAS Y DEGRADABILIDAD DEL RASTROJO DE MAÍZ Y PAJA DE AVENA." Tesis de Licenciatura, Universidad Autónoma del Estado de México, 2017. http://hdl.handle.net/20.500.11799/67723.

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The effects of eucalyptus oils on ruminal fermentation of two agro-industry byproducts (corn stalk and oat straw), were studied using the in vitro gas production (GP) technique. Eucalyptus oil was added at 0, 30, 90, and 180 mg/l of incubation medium (equal to 0, 1.2, 3.6, and 7.2 mg/g DM substrate). Gas volumes were recorded at 2, 4, 6, 8, 10, 12, 24, 36, 48 and 72 h of incubation, and substrate DM, neutral detergent fiber (NDF) and acid detergent fiber (ADF) degradability were determined at 72 h of incubation. Eucalyptus oil increased (P<0.05) the asymptotic GP and GP of corn stalks and oat straw. Eucalyptu oil decreased fermentation pH (P<0.05) of corn stalks and oat straw. The inclusion of eucalyptu oil increased (P<0.05) DM degradability of corn stalks, oat straw. Eucalyptus oil decreased NDF degradability of corn stalks, with weak effects on NDF degradabilitie of oat straw. It can conclude that the application of eucalyptu oil positively affected rumen fermentation of the two agro-industry byproducts as roughage feeds. Increasing the dose of oils inclusion, enhanced the fermentation parameters; where the dose 180 mg oil/l increased GP, while the doses 30 and 90 mg oil/l increased nutrients digestibility.
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Yani, Syamsuddin. "Distillation of mallee biomass for eucalyptus oil extraction and thermochemical behaviour of the spent biomass." Thesis, Curtin University, 2015. http://hdl.handle.net/20.500.11937/2226.

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This thesis investigates eucalyptus oil extraction, nutrients release, carbon loss and structural changes of mallee leaf after steam distillation. Pyrolysis of the spent leaf was then conducted to study the biochar characteristics. The mallee leaf was also torrefied then combusted under pulverised fuel (PF) condition for examining the effect of torrefaction on particulate matter emission. The obtained knowledge and data significantly contribute to developing a mallee-based bioenergy system in the rural and regional Australia.
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Rahman, S. M. Ashrafur. "Experimental investigation of essential oils in a diesel engine." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/121763/2/__qut.edu.au_Documents_StaffHome_StaffGroupH%24_halla_Desktop_S.%20M.%20Ashrafur%20Rahman%20Thesis.pdf.

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The potential use of waste stream essential oils were evaluated as fuel supplements for diesel vehicle/machinery used by producers of these oils. Orange, eucalyptus and tea tree oils were selected; which are native to and/or extensively cultivated throughout Australia. These essential oils are mainly used in the medical and natural therapy sector as well as fragrance and flavouring industry. The high quality of the final product leads to a significant very low value waste stream. Engine performance and emissions evaluation showed that essential oils are comparable to diesel fuel. Their use will help to reduce diesel dependency and fuel costs.
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Vilela, Georgia Rocha. "Efeito do óleo essencial de Eucalyptus globulus sobre espécies produtoras de aflatoxinas." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/11/11141/tde-08082007-164637/.

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Há relatos na literatura de alguns compostos naturais de plantas que são usados para preservação de alimentos e no controle do desenvolvimento de fungos e bactérias que ocorrem em plantas, grãos, cereais e derivados. O presente trabalho teve como objetivo avaliar "in vitro" o efeito do óleo essencial de Eucalyptus globulus e seu composto majoritário sobre o crescimento micelial dos fungos Aspergillus flavus e Aspergillus parasiticus e a produção de aflatoxinas. A composição química do óleo analisado por cromatografia gasosa acoplada ao espectrofotômetro de massa mostrou-nos que o composto majoritário com 89,95% é o 1,8-cineol. Assim foi avaliada a ação por contato e por compostos voláteis do óleo essencial e do 1,8-cineol. O modo de ação por compostos voláteis, do óleo e do composto, foi estatisticamente mais eficiente do à ação por contato, para ambos os fungos. Independente do modo da ação a partir da dose de 500µL do óleo os fungos tiveram comportamentos semelhantes, com mais de 90% de inibição micelial. O composto 1,8-cineol não demonstrou a mesma eficiência que o óleo, produzindo algum efeito inibitório apenas na dose de 1.500µL, com apenas 5,5% de inibição de crescimento micelial. Foi verificado que o óleo essencial e o composto 1,8-cineol não cessaram a produção de aflatoxinas de ambos os fungos mesmo inibindo o crescimento micelial.
Literature describes some natural plants composites that are used to preserve food and to control fungi and bacteria development in plants, grains, cereals and derivatives. The objective of this research was evaluate the effect in vitro of the Eucalyptus globulus essential oil and its major component over mycelial growth and aflatoxin production by Aspergillus flavus and Aspergillus parasiticus. The chemical oil composition, analyzed by gas chromatography connected to mass spectra, showed that 1,8-cineole is the major compound with 89.95%. Thus, the essential oil and the 1,8-cineole were evaluated by the contact and volatiles action. For both analyzed fungi, the oil and the compound action promoted throughout volatile compound were statically more efficient than the action promoted throughout contact. Considering the oil dose of 500µL and so forth, the fungi behaviors were similar independently of the action modes, with more than 90% of mycelial inhibition. The 1,8-cineole compound did not demonstrate the same efficiency that the essential oil did, producing some inhibitory effect only in the dose of 1.500µL, with only 5.5% of inhibition of mycelial growth. It was verified that the essential oil and 1,8-cineole compound did not cease the aflatoxins production in both fungi, even with the inhibition of mycelial growth.
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Ribeiro, Leticia Gouveia. "Extração assistida por micro-ondas de óleo essencial de folhas de eucalipto (eucalyptus urophylla x globulus)." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/181316.

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A celulose das árvores do gênero Eucalyptus é um dos principais elementos de interesse econômico desse vegetal. Suas folhas, apesar de conter óleo essencial (OE), caracterizam-se como um subproduto da indústria de processamento de papel e celulose. Assim, pesquisas com relação à recuperação dessa biomassa tornam-se importantes, principalmente, do ponto de vista ambiental e econômico. Tradicionalmente, a extração de OEs ocorre pelo processo de hidrodestilação (HD), o qual necessita de longos tempos de extração. Visando superar essa restrição, a tecnologia de extração assistida por micro-ondas (Microwave Assisted Extraction - MAE) vem sendo desenvolvida e aplicada. O objetivo principal deste estudo foi avaliar o processo de extração de OE de folhas de eucalipto, empregando os métodos de extração HD e MAE. Para esse processo em escala de bancada, desenvolveu-se um aparato de extração por meio da adaptação de um forno micro-ondas doméstico. Inicialmente, analisou-se o rendimento de OE das matrizes de subprodutos de folhas de eucalipto das espécies Eucalyptus saligna, E. urohpylla e E. urophylla x globulus geradas a partir de uma indústria de celulose. Os resultados apontaram que a espécie E. urophylla x globulus apresentou maior teor de OE (2,16±0,02%), sendo a espécie escolhida para a aplicação da tecnologia MAE. Na segunda etapa do estudo, fez-se uma avaliação dos efeitos dos fatores do processo MAE, avaliando os fatores razão sólido:solvente (1:1; 1:1,5 e 1:2), potência do micro-ondas (680, 850 e 1.020 W) e tempo de extração total (20, 40, 60 min) no rendimento de OE. Desse modo, as condições ideais do processo foram determinadas como: razão sólido:solvente de 1:2, potência de 680 W e tempo de extração total de 60 minutos. Para essas condições, realizou-se o estudo cinético e modelagem matemática com a avaliação dos modelos de primeira ordem, segunda ordem, Peleg e Patricelli. No estudo cinético, o tempo total do processo MAE para a obtenção do rendimento de 1,8±0,1% foi apenas 60 minutos, tempo 57% inferior ao observado no método HD para igual rendimento (140 minutos). Dentre os modelos cinéticos estudados, o modelo de Patricelli foi o que apresentou melhor ajuste aos dados experimentais da extração HD (R² igual 0,9904 e RMSE igual 0,0016) e da extração MAE (R² igual 0,9962 e RMSE igual 0,0006). Por fim, as análises energéticas e de impacto ambiental também indicaram o método MAE como uma tecnologia mais ambientalmente amigável do que a HD, tornando-se atrativa para o setor industrial. Com base nos resultados obtidos, pode-se concluir que a extração de OE da matriz estudada proporcionou a reutilização de um subproduto industrial, sugerindo uma alternativa de exploração e agregando valor ao mesmo.
The cellulose from trees of the genus Eucalyptus is the main industrial product of this species. Its leaves, although containing essential oil (EO), are characterized as a by-product from the pulp and paper processing industry. Thus, researches about the recovery of this biomass are important, mainly from the environmental and ecological point of view. Traditionally, the extraction of EO occurs by hydrodistillation (HD), process that requires long extraction times. In order to overcome this restriction, microwave assisted extraction (MAE) has been developed and applied. The main objective of this study was to evaluate the extraction process of eucalyptus EO, using the HD and MAE methods. For this laboratory-scale process, an extraction apparatus was developed through the adaption of a domestic microwave oven. Initially, the yield of EO by-products of eucalyptus leaves of the species Eucalyptus saligna, E. urophylla and E. urophylla x globulus from a cellulose industry were analyzed. The results showed that the species E. urophylla x globulus presented the highest EO content (2.16 ± 0.02%), being the species chosen for the application of the MAE technology. In the second stage of the study, an evaluation of the effects of MAE process factors was performed, analyzing the factors ratio solid:solvent (1:1, 1:1,5 and 1:2), microwave power (680, 850 and 1.020 W) and total extraction time (20, 40, 60 min) in the EO yield. Thus, the ideal process conditions were determined as: ratio solid:solvent of 1:2, power of 680 W and total extraction time of 60 minutes. For these conditions, a kinetic study and a mathematical modeling were performed evaluating the first-order, second-order, Peleg and Patricelli models. In the kinetic study, the total time of the MAE process to obtain the yield of 1.8 ± 0.1% was only 60 minutes, 57% lower than the HD method for the same yield (140 min). Among the kinetic models studied, the Patricelli model presented the best fit to the experimental data of the HD extraction (R² equal to 0.9904 and RMSE equal to 0.0016) and MAE extraction (R² equal to 0.9962 and RMSE equal to 0.0006). Finally, the energy and environmental impact analyzes also indicated the MAE method more environmentally friendly than HD, being attractive for the industrial sector. Based on the results, it is possible to conclude that the extraction of EO from the studied matrix provided the reuse of an industrial by-product, suggesting an exploration alternative adding value to this residue.
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Bonora, Flávia Sarti. "Prospecção de compostos químicos presentes nos óleos essenciais das folhas e flores de eucalipto." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-13012016-111437/.

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As florestas plantadas de eucalipto tem sido muito importantes para o suprimento de materia prima para diversas finalidades, principalmente a partir da madeira. O gênero é também conhecido por apresentar uma gama importante de espécies potenciais para fornecimento de óleos essenciais a partir das folhas. No Brasil, no entanto, a produção de óleo essencial tem ficado restrita a algumas poucas espécies. Dessa forma, é importante a condução de estudos, que possam ampliar a base de novos materiais para obtenção de óleo essencial. Visando suprir tal demanda, que se propôs esse estudo, o qual procurou avaliar novos materiais, incluindo não só as folhas mas também as flores das árvores de diferentes espécies e clones de eucalipto, para produção de óleos essenciais. Fora realizadas extrações de óleos essenciais por arraste a vapor, para determinação de seus rendimentos, além de análises cromatográficas para identificação de seus componentes químicos. Os resultados indicaram: a) os maiores rendimentos nos óleos essenciais das folhas foram observados para E. staigeriana (1,599%) e C. citriodora (1,26%), e os menores para C. ptychocarpa (0,021%); b) E. exserta (0,613%) e o E. resinifera (0,587%) apresentaram potencial para utilização de seus óleos essenciais, frente ao seus elevados rendimentos, e a presença importante de 1,8 cineol; c) Os maiores rendimentos para óleo essencial das flores foram observados para GFMO 03 (0,518%) e os menores para E. exserta (0,109%); d) o clone GFMO 03 apresentou flores com maior rendimento em relação as folhas, o que pode estar relacionado ao melhoramento genético realizado para favorecer suas características de floração; e) as substâncias dos óleos essenciais das folhas podem auxiliar na identificação e diferenciação das espécies; f) os óleos essencias das flores apresentaram 6 substâncias que não foram encontradas nas folhas; g) muitas das substâncias que compõem os óleos essenciais das flores estão presentes no própolis, sugerindo que estas possuem vínculo com a ação de polinizadores atrelados a produção apícola; h) a elevada concentração de substâncias de interesse nos óleos essenciais de eucalipto demonstram sua importância como fornecedores de matéria prima para indústria; i) as espécies foram agrupadas a partir da composição química dos óleos essenciais das folhas, o que determinou 4 grupos e 6 subgrupos, os quais podem estar relacionados com a área de ocorrência natural das espécies estudadas; j) GFMO 03 e GFMO 10 estão, respectivamente no mesmo grupo de E. grandis e E. tereticornis, espécies as quais compõem o material genético dos clones, indicando que as características de óleo essencial são possivemente preservadas mesmo após hibridação.
The planted eucalyptus forests have been very important to supply material for a variety of purposes, mostly from wood. The genus is also known to have an important range of potential species to source essential oils from the leaves. In Brazil, however, essential oil production has been restricted to a few species. Hence, it is important to conduct studies that may extend the number of new materials to obtain essential oil. In order to meet such demand, this study was proposed, which sought to assess new materials, including not only the leaves but also the flowers of trees of different species and clones of eucalyptus, for the production of essential oils. Essential oil extractions were performed by steam distillation, to determine their yield, and chromatographic analysis to identify their chemical components. The results indicated: a) the highest yields in essential oils of leaves were observed for E. staigeriana (1,599%) and C. citriodora (1,262%), and the lowest for C. ptychocarpa (0,021%); b) E. exserta (0,613%) and E. resinifera (0,587%) had potential for use of their essential oils, due to their high yields and the important presence of 1,8 cineole; c) the highest yields in essential oils of flowers were observed for GFMO 03 (0,518%) and the lowest for E. exserta (0,109%); d) the clone GFMO 03 showed flowers with highest yield in essential oil than the leaves, which may be related to genetic improvement done in order to favor their flowering characteristics; e) the substances in essential oils of leaves may assist the identification and differentiation of species; f) the essential oils of flowers had 6 substances that were not found in the leaves; g) many of the substances in essential oils of flowers are present in propolis, suggesting that they have connection with pollinators activities linked to beekeeping; h) the high concentration of substances of interest in essential oils of eucalyptus demonstrate its importance as suppliers of raw materials for industry; i) the species were grouped by the chemical composition in essential oils of their leaves, which resulted in 4 groups and 6 subgroups, which may be related to the area of natural occurrence of the studied species; j) GFMO 03 and GFMO 10 are, respectively, in the same group of E. grandis and E. tereticornis, species which compound the genetic material of the clones, indicating that the essential oil features are probably preserved even after hybridization.
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Books on the topic "Eucalyptus oil"

1

Coppen, J. J. W. Eucalyptus and its leaf oils: An annotated bibliography. Chatham Maritime: Natural Resources Institute, 1992.

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Coppen, J. J. W. Eucalyptus and its leaf oils: An indexed bibliography. Chatham Maritime, Kent: Natural Resources Institute, 1993.

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Coppen, J. W. Eucalyptus oils: A review of production and markets. Chatham: Natural Resources Inst, 1992.

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J, Boland D., Brophy J. J. 1943-, House, A. P. N. 1954-, Australian Centre for International Agricultural Research., and Commonwealth Scientific and Industrial Research Organization (Australia), eds. Eucalyptus leaf oils: Use, chemistry, distillation, and marketing. Melbourne: Inkata Press, 1991.

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Keniston-Pond, Kymberly. Essential Oils for Health: 100 Amazing and Unexpected Uses for Tea Tree Oil, Peppermint Oil, Eucalyptus Oil, Lavender Oil, and More. Adams Media Corporation, 2015.

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Essential oils for health: 100 amazing and unexpected uses for tea tree oil, peppermint oil, eucalyptus oil, lavender oil, and more. 2015.

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Wilson, Donald. Quintessential Guide to Eucalyptus Oil: A Complete Guide on All You Need to Know about Effectual Eucayptus Oil! Discover the Secrets of This Miracle Oil! Independently Published, 2019.

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Publishing, Pun. Eucalyptus It's the Gateway Oil: Journal / Notebook / Diary Gift - 6 X9 - 120 Pages - White Lined Paper - Matte Cover. Independently Published, 2020.

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Blends, Oily. Essential Oil Blending Log Book: Eucalyptus Bundle Cover Workbook to Record New Recipes, Intentions, Uses, Scents, Benefits, and Notes. Independently Published, 2018.

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Blends, Oily. Essential Oil Blending Log Book: Eucalyptus Bundle Cover Workbook to Record New Recipes, Intentions, Uses, Scents, Benefits, and Notes. Independently Published, 2019.

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Book chapters on the topic "Eucalyptus oil"

1

Rathore, Hamir Singh, and Leo M. L. Nollet. "Eucalyptus Oil: Extraction, Analysis, and Properties for Use in Pest Control." In Green Pesticides Handbook, 43–58. Boca Raton : Taylor & Francis, CRC Press, 2017.: CRC Press, 2017. http://dx.doi.org/10.1201/9781315153131-3.

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Kedir, Miftah F. "Pyrolysis Bio-oil and Bio-char Production from Firewood Tree Species for Energy and Carbon Storage in Rural Wooden Houses of Southern Ethiopia." In African Handbook of Climate Change Adaptation, 1313–29. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_183.

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AbstractThe need for emission reduction for climate management had triggered the application of pyrolysis technology on firewood that yield bio-oil, bio-char, and syngas. The purpose of present study was to select the best bio-oil and bio-char producing plants from 17 firewood tree species and to quantify the amount of carbon storage. A dried and 1 mm sieved sample of 150 g biomass of each species was pyrolyzed in assembled setup of tubular furnace using standard laboratory techniques. The bio-oil and bio-char yields were 21.1–42.87% (w/w) and 23.23–36.40% (w/w), respectively. The bio-oil yield of Acacia seyal, Dodonea angustifolia, Euclea schimperi, Eucalyptus globulus, Casuarina equisetifolia, and Grevillea robusta were over 36% (w/w), which make the total yield of bio-oil and bio-char over 62% (w/w) of the biomass samples instead of the 12% conversion efficiency in traditional carbonization. The calorific value of firewood was 16.31–19.66 MJ kg–1 and bio-oil was 23.3–33.37 MJ kg–1. The use of bio-oil for household energy and bio-char for carbon storage reduced end use emission by 71.48–118.06%, which could increase adaptation to climate change in comparison to open stove firewood by using clean fuel and reducing indoor pollution.
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Senthur, N. S., H. Imamulhasan, M. Maheshkumar, and K. Arun. "Assessing the Effect of Blending Eucalyptus Oil with Water and Their Impact on Conventional Engine." In Proceedings of International Conference in Mechanical and Energy Technology, 391–401. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2647-3_35.

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Khond, V. W., V. M. Kriplani, S. D. Butaley, Amol Pitale, and Pramod Walke. "Experimental Analysis of Performance and Emissions of Nanofluid Dosed Pure Neem Biodiesel (PNB)—Eucalyptus Oil (EO)-Water (W)-Surfactant (S) Emulsion Fuel on Diesel Engine." In Advances in Energy Research, Vol. 2, 587–97. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2662-6_53.

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Carmo, M. M., and S. Frazão. "Studies on the Composition of Essential Oils of ‘Cineolic Eucalyptus’." In Essential Oils and Aromatic Plants, 163–66. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5137-2_16.

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Inman, R. B., P. Dunlop, and J. F. Jackson. "Oils and Waxes of Eucalypts Vacuum Distillation Method for Essential Oils." In Essential Oils and Waxes, 195–203. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84023-4_11.

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Boland, D. J., and J. J. Brophy. "Essential Oils of the Eucalypts and Related Genera." In ACS Symposium Series, 72–87. Washington, DC: American Chemical Society, 1993. http://dx.doi.org/10.1021/bk-1993-0525.ch007.

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Foudil-Cherif, Yazid, Noureddine Yassaa, and Brahim Y. Meklati. "Biogenic Emission and Essential Oils of Some Eucalyptus Species: A Comparison Study." In Global Warming, 357–65. Boston, MA: Springer US, 2009. http://dx.doi.org/10.1007/978-1-4419-1017-2_22.

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Curir, P., M. Beruto, and M. Dolci. "Eucalyptus Species: In Vitro Culture and Production of Essential Oils and Other Secondary Metabolites." In Medicinal and Aromatic Plants VIII, 194–214. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-662-08612-4_10.

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Harvala, E., O. Kretsi, and I. B. Chinou. "Composition and Antibacterial Activity of the Essential Oils of Eucalyptus camaldulensis Growing in Greece." In Natural Products in the New Millennium: Prospects and Industrial Application, 235–39. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-015-9876-7_24.

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Conference papers on the topic "Eucalyptus oil"

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Kaya, Durmuş Alpaslan, and Musa Türkmen. "Comparing of Eucalyptus (Eucalyptus camaldulensis and Eucalyptus grandis) Essential Oil Compositions Growing in Hatay Ecological Conditions." In The 9th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2022. http://dx.doi.org/10.24264/icams-2022.ii.14.

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Essential oils obtained by hydrodistillation of Eucalyptus camaldulensis and Eucalyptus grandis from Hatay (Turkey), were analyzed by GC/MS. The total ratio of twenty-three components in Eucalyptus camaldulensis volatile components with 98.15%. This ratio is seen as forty-seven components and 99.66% in Eucalyptus grandis. Eucalyptol, limonene and α-pinene were identified as the main components of the essential oils of Eucalyptus camaldulensis. Cymene, α-pinene, isoborneol, trans-pinocarveol and eucalyptol were identified as the main components of the essential oils of Eucalyptus grandis. When compare the components of E. camaldulensis and E. grandis essential oils, the main component was determined as eucalyptol with 74.11% and cymene with 31.67% respectively.
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Liu, Qi-Mei, Wan-Xi Peng, Yan-Xu Wu, Xiao-Min Xie, and Xian-Song Guang. "Application of Recovering Wastewater from Eucalyptus Oil by Pyrolysis Treatment." In 2009 3rd International Conference on Bioinformatics and Biomedical Engineering (iCBBE). IEEE, 2009. http://dx.doi.org/10.1109/icbbe.2009.5162394.

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Rakhman, Arief, Agus Suryono, and Ainul Hayat. "Collaborative Governance in Eucalyptus Oil Industry Development from Forest Area." In 3rd Annual International Conference on Public and Business Administration (AICoBPA 2020). Paris, France: Atlantis Press, 2021. http://dx.doi.org/10.2991/aebmr.k.210928.087.

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FLOREA, Andrei Dan, Elena DĂNILĂ, Rodica Roxana CONSTANTINESCU, Mădălina ALBU KAYA, Alpaslan Durmuş KAYA, Gheorghe COARĂ, Luminiţa ALBU, and Ciprian CHELARU. "Composite Scaffolds for Bone Regeneration Made of Collagen/Hydroxyapatite/Eucalyptus Essential Oil." In The 7th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2018. http://dx.doi.org/10.24264/icams-2018.i.13.

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Blázquez, M. Amparo, and M. Dolores Ibáñez. "Post-emergence herbicidal activity of Eucalyptus globulus Labill. essential oil." In MOL2NET 2018, International Conference on Multidisciplinary Sciences, 4th edition. Basel, Switzerland: MDPI, 2018. http://dx.doi.org/10.3390/mol2net-04-05374.

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Tarabet, L., K. Loubar, Mohand S. Lounici, S. Hanchi, and M. Tazerout. "Numerical Investigation on DI Diesel Engine Running With Eucalyptus Biodiesel and its Blends." In ASME 2012 Internal Combustion Engine Division Spring Technical Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ices2012-81065.

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The aim of the present work is to investigate the possibility of using eucalyptus biodiesel and its blends with diesel fuel as an alternative fuel for diesel engines. Eucalyptus oil is converted to biodiesel with ethanol using sodium hydroxide as a catalyst. The characterization of the obtained biodiesel shows that the thermo-physical properties are in the range recommended by American Standard (ASTM D6751). Innovative biodiesel development tests on the diesel engine require a lot of time and efforts. Here, mathematical model, which is based on the thermodynamic single zone model, is developed to analyze the combustion characteristics such as cylinder pressure and the performance characteristics such as brake power, brake thermal efficiency and specific fuel consumption of a DI diesel engine.
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Kartiko, Agmi Bagus, Agmi Sinta Putri, Enih Rosamah, and Harlinda Kuspradini. "Evaluation of Antibacterial Activity and Physico-Chemical Profiles of Eucalyptus pellita Essential Oil from East Kalimantan." In Joint Symposium on Tropical Studies (JSTS-19). Paris, France: Atlantis Press, 2021. http://dx.doi.org/10.2991/absr.k.210408.002.

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Arman Kandirmaz, Emine, and Omer Bunyamin Zelzele. "The production of ecofriendly biofilm with natural oil for food packaging." In 10th International Symposium on Graphic Engineering and Design. University of Novi Sad, Faculty of technical sciences, Department of graphic engineering and design,, 2020. http://dx.doi.org/10.24867/grid-2020-p23.

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The use of edible biofilms in food packaging reduces the use of petrochemical polymers that are harmful to human health, such as PE, PP, PET. The second most common biopolymer in nature, chitosan is a nontoxic, nonantigenic, biocompatible and biodegradable polymer. Considering these features, it is frequently used in food packaging applications. Increasing needs for food amount and quality canalized food ındustry to fund in new packaging techniques that improve storage life and grade of foods. Active packaging systems, one of these methods, can be designed as a sensor, antimicrobial or antimigrant in order to extend the shelf life of the food product and to inform the shelf life in possible degradation. Essential oils, which are antimicrobial environmentally friendly packaging material additives, are used due to their effective biological activities. Essential oils that have known antimicrobial properties include lavender, rosemary, mint, eucalyptus and geranium. These oils are also edible. In this study, it is aimed to produce antimicrobial, ecofriendly, edible, printable biofilm for active packaging, using chitosan and peppermint essential oil. For this purpose, chitosan biofilms containing different rates (0, 1, 2.5, 5, 10%) of peppermint essential oil were produced by solvent casting method. Surface morphology were examined by SEM. The transparency of biofilms was determined by UV spectroscopy. Antimicrobial properties of the obtained films were determined against S. aureus and E. coli. Biofilms were printed with screen printing. The color, gloss, contact angle, surface tension values of all printed and unprinted samples were examined. As a result, chitosan biofilms which are loaded with peppermint essential oil were successfully produced. Biofilms are colorless, highly transparent and have good printability. It is concluded that the amount of peppermint essential oil increased inhibitory feature against S. aureus and E. coli. When the obtained results are examined, it is determined that the printable, ecofriendly, edible biofilms can be used in active food packaging applications.
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Devan, P. K., and N. V. Mahalakshmi. "An Experimental Investigation on Performance and Emission Characteristics of Eucalyptus Oil-Diesel Blends in a D.I. Diesel Engine." In SAE World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2008. http://dx.doi.org/10.4271/2008-01-0757.

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Devan, P. K., and N. V. Mahalakshmi. "An experimental investigation on performance and emission characteristics of eucalyptus oil-diesel blends at various injection timings in a D.I. diesel engine." In Fifth International SAE India Mobility Conference on Emerging Automotive Technologies Global and Indian Perspective. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2008. http://dx.doi.org/10.4271/2008-28-0060.

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