Academic literature on the topic 'Essentials oils'

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Journal articles on the topic "Essentials oils"

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Manion, Chelsea R., and Rebecca M. Widder. "Essentials of essential oils." American Journal of Health-System Pharmacy 74, no. 9 (May 1, 2017): e153-e162. http://dx.doi.org/10.2146/ajhp151043.

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Abstract Purpose Information to guide clinicians in educating and advising patients using or intending to use essential oils for self-administered aromatherapy or other medicinal purposes is presented. Summary The term essential oils refers to highly concentrated, aromatic oils extracted from plants by steam distillation, hydrodiffusion, or pressure. Market reports indicate strong growth in the use of essential oils in the United States in recent decades. Therapeutic claims made in the marketing of essential oils have led the Food and Drug Administration to caution a number of suppliers. Along with rapid growth in sales of essential oils to consumers there has been an increase in the amount of published evidence regarding aromatherapy and essential oils; the annual number of relevant articles indexed using Medical Subject Headings terminology has doubled since 2004. In order to help ensure proper application and safe use of essential oils as a self-care modality, healthcare professionals can benefit from a general knowledge of the terminology and foundational concepts of medicinal use of essential oils, as well as resources to facilitate evaluations of appropriateness of use. Conclusion Because of the increasing popularity of essential oils and the prevalence of essential oil–based self-care practices targeting a wide variety of ailments in the United States, healthcare professionals must be prepared to address concerns about the agents’ safety and efficacy. Proper literature evaluation requires the ability to discern the quality of an oil, the safety of administration, and the validity of its use.
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Plant, Rebecca M., Lisa Dinh, Shaara Argo, and Monica Shah. "The Essentials of Essential Oils." Advances in Pediatrics 66 (August 2019): 111–22. http://dx.doi.org/10.1016/j.yapd.2019.03.005.

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Boz, Irina, and Simona Dunca. "The Study of Essentials Oils Obtained from Thymus pannonicus L. - Microbiological Aspects." Acta Biologica Marisiensis 1, no. 1 (June 1, 2018): 53–59. http://dx.doi.org/10.2478/abmj-2018-0006.

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Abstract Essentials oils have been used over time in the food and cosmetics industry, but also in the medical and pharmaceutical industry. Environmental factors such as temperature, radiation and photoperiod play an extremely important role in the quantity and quality of volatile oils. It is also known that the vegetation stage can play an important role in the chemical composition of volatile oils. The purpose of this paper is to establish the antibacterial and antifungal activity of volatile oils of Thymus pannonicus, taking into account the ontogenetic stage in which the plants were collected, highlighting the compounds of therapeutic importance. To test the antimicrobial activity of essential oils two methods of work were used: Kirby-Bauer disc diffusion method and microplate method. The essential oils studies were tested on Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922 and Candida albicans. It was find that all essential oils tested have antimicrobial activity at all stages of development tested. The maximum antimicrobial activity has been recorded for the oils extracted from individuals collected at the anthesis stage.
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Rivaroli, Dayane Cristina, Rodolpho Martin Do Prado, Mariana Garcia Ornaghi, Camila Mottin, Tatiane Rogério Ramos, Ana Guerrero Barrado, André Mendes Jorge, and Ivanor Nunes Do Prado. "Essential Oils in the Diet of Crossbred (½ Angus vs. ½ Nellore) Bulls Finished in Feedlot on Animal Performance, Feed Efficiency and Carcass Characteristics." Journal of Agricultural Science 9, no. 10 (September 13, 2017): 205. http://dx.doi.org/10.5539/jas.v9n10p205.

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This experiment was carried out to evaluate the animal performance, feed efficiency and carcass characteristics of 27 crossbred bulls (½ Angus vs. ½ Nellore), finished in feedlot for 120 days, with the addition of distinct levels of essential oils in the diets. The experiment was conducted in a completely randomized trial and animals were distributed into three treatments: control (CON), addition of 500 mg/kg of DM/animal/day of a mix of essential oils (E500), and addition of 1000 mg/kg of DM/animal/day of a mix of essential oils (E1000). The essential oils supplemented to the diets were based on a combination of vegetal extracts from: oregano, garlic, lemon, rosemary, thymus, eucalyptus and sweet orange. The bulls had an average age of 12±2 months and weight of 243.4±6.8 kg when the trial started. The roughage and concentrate ratio was 10% and 90%, respectively. The inclusion of essentials oils in the diets did not affect final body weight, average daily gain, and feed intake, but there was a tendency for improved feed efficiency for the E500 treatment. The ADG ranged from 1.55 to 1.70. Average DMI and feed conversion were 7.07 kg/day and 4.31, respectively. Essentials oil levels did not affect the carcass characteristics. More studies are needed to elucidate the synergism of combinations of essential oils in the rumen.
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Miguel, Maria Graça, Cláudia Cruz, Leonor Faleiro, Mariana T. F. Simões, Ana Cristina Figueiredo, José G. Barroso, and Luis G. Pedro. "Foeniculum vulgare Essential Oils: Chemical Composition, Antioxidant and Antimicrobial Activities." Natural Product Communications 5, no. 2 (February 2010): 1934578X1000500. http://dx.doi.org/10.1177/1934578x1000500231.

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The essential oils from Foeniculum vulgare commercial aerial parts and fruits were isolated by hydrodistillation, with different distillation times (30 min, 1 h, 2 h and 3 h), and analyzed by GC and GC-MS. The antioxidant ability was estimated using four distinct methods. Antibacterial activity was determined by the agar diffusion method. Remarkable differences, and worrying from the quality and safety point of view, were detected in the essential oils. trans-Anethole (31-36%), α-pinene (14-20%) and limonene (11-13%) were the main components of the essentials oil isolated from F. vulgare dried aerial parts, whereas methyl chavicol (= estragole) (79-88%) was dominant in the fruit oils. With the DPPH method the plant oils showed better antioxidant activity than the fruits oils. With the TBARS method and at higher concentrations, fennel essential oils showed a pro-oxidant activity. None of the oils showed a hydroxyl radical scavenging capacity >50%, but they showed an ability to inhibit 5-lipoxygenase. The essential oils showed a very low antimicrobial activity. In general, the essential oils isolated during 2 h were as effective, from the biological activity point of view, as those isolated during 3 h.
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Biswas, Atanu, Maria do Socorro Rocha Bastos, Roselayne Ferro Furtado, Gary Kuzniar, Veera Boddu, and H. N. Cheng. "Evaluation of the Properties of Cellulose Ester Films that Incorporate Essential Oils." International Journal of Polymer Science 2020 (May 21, 2020): 1–8. http://dx.doi.org/10.1155/2020/4620868.

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Films made from cellulose esters are often used as bio-based food packaging materials. In this work, we studied the incorporation of nine essential oils into cellulose acetate, cellulose acetate propionate, and cellulose acetate butyrate. The essential oils were derived from lime, nutmeg, eugenol, pimenta berry, rosemary, petitgrain, coffee, anise, and trans-cinnamaldehyde. In almost all cases, the addition of essential oils to cellulose ester reduced tensile strength and Young’s modulus but increased elongation at break. Thus, an essential oil acted like a plasticizer that enhanced the flexibility of the polymer. Essential oils containing limonene and pinenes (e.g., from lime and nutmeg) gave the strongest plasticizing action, whereas essentials oils containing fatty acids (e.g., from coffee) were the weakest plasticizers. The water barrier property was improved the most when essential oils were added to cellulose acetate; however, different cellulose ester/essential oil combinations showed different effects. Whereas most of the essential oils decreased the transparency of the films, eugenol, pimento berry, and anise were notable exceptions. Thus, depending on a specific application, a particular polymer/EO combination can be used to give the optimal performance.
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MILICHOVSKÝ, MILOSLAV, BŘETISLAV ČEŠEK, ONDŘEJ MIKALA, and JAN GOJNÝ. "WATER ACTIVITY RESTRICTION BY APPLICATION OF ESSENTIALS OILS." Cellulose Chemistry and Technology 53, no. 3-4 (April 26, 2019): 281–89. http://dx.doi.org/10.35812/cellulosechemtechnol.2019.53.28.

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Soran, Maria Loredana, Codruta Varodi, Simona Codruta Cobzac, and Ildiko Lung. "Essentials Oils Determination fromSatureja hortensisL. by Chromatographic Techniques." Journal of Essential Oil Bearing Plants 14, no. 6 (January 2011): 699–707. http://dx.doi.org/10.1080/0972060x.2011.10643992.

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Hussain, Khalid, and Syed Saeed-ul-Hassan . "Solubility of Essentials Oils by Non-alcoholic Agent." Journal of Medical Sciences 3, no. 3 (April 15, 2003): 220–26. http://dx.doi.org/10.3923/jms.2003.220.226.

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WIDATI, RIKHAYATI RATIH, SURANTO SURANTO, and ARTINI PANGASTUTI. "The effect of Ocimum basilicum L. essential oils toward quality of Oreochromis niloticus fillet in the cold storage." Biofarmasi Journal of Natural Product Biochemistry 4, no. 1 (February 15, 2006): 22–26. http://dx.doi.org/10.13057/biofar/f040105.

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The aims of this research was to study the effect of Ocimum basilicum L. essentials oils toward quality of Oreochromis niloticus fillet during cold storage by examining in the physical, chemical, and microbiological treatments respectivelly. The research was conducted using the complete random design of factorial consisting of 2 factors: (i) the variation of O. basilicum essential oils treatment, there were without essential oils, 0.025%, 0.05%, and 0.075%; (ii) the duration of fish storage: 0, 3, and 6 days. The observed parameters were: the physical freshness of fish, total volatile base (TVB), pH, water value, total plate count and organoleptic test. The data were analyzed by determine treatment effect toward all variable and duncan’s multiple range test (DMRT) on the level 5%. The results showed that based on the physically testing control become deterioration on the third day, while fillet added with O. basilicum essential oils become deterioration in six days. Based on TVB test, the control fillet and fillet treated with 0.075% of O. basilicum essential oils become deterioration on the day of six. Fillet treated with 0.025% and 0.05% of O. basilicum essential oils still fresh in six days. The highest increasing of water value was on the control of fillet. Based on the microbiological test, the addition of O. basilicum essential oils reduced the bacterial number, fillet still fresh on the third day
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Dissertations / Theses on the topic "Essentials oils"

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Vieira, Israel Gomes. "Estudo de caracteres silviculturais e de produção de óleo essencial de progênies de Corymbia citriodora (Hook) K.D.Hill & L.A.S. Johnson procedente de Anhembi SP - Brasil, Ex. Atherton QLD - Austrália." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-06122004-112600/.

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O Corymbia citriodora (ex Eucalyptus citriodora) é uma espécie que ocupa um lugar de destaque no segmento de plantas aromáticas. Além de ser plantada, principalmente por pequenos e médios proprietários rurais, destinada a usos múltiplos, a espécie se destaca por colocar o Brasil como o maior produtor mundial de óleo essencial obtido de suas folhas. Dessa forma, os estudos de variação genética envolvendo caracteres de produção silvicultural e de óleo são importantes, visando à seleção de materiais geneticamente superiores. Diante de tais fatos, este trabalho teve como objetivos a avaliação do potencial de uma população originária de Atherton QLD, Austrália, a caracterização morfológica de matrizes e progênies superiores e a seleção de progênies e indivíduos superiores, em relação a produção de folhas, rendimento de óleo essencial e teor do seu componente químico principal, o citronelal. O experimento foi instalado em fevereiro de 2003, na Estação Experimental de Ciências Florestais de Anhembi, localizada no município de Anhembi, SP, pertencente à Universidade de São Paulo e administrada pelo Departamento e Ciências Florestais da Escola Superior de Agricultura “Luiz de Queiroz”. O delineamento experimental foi o de blocos completos ao acaso, com o plantio de árvores originadas de sementes de 45 progênies existentes na Estação Experimental, que por sua vez foram implantadas com material proveniente de uma População Base localizada em Atherton, QLD, Austrália. Foram instaladas parcelas lineares com 10 plantas, com 3 repetições, no espaçamento de plantio de 3m x 2 m. Aos 11 meses de idade, procedeu-se a avaliação do plantio em relação à sobrevivência, altura das plantas, produção de folhas, rendimento de óleo essencial e seu teor de citronelal. Os resultados indicaram: a) o crescimento em altura das plantas foi excelente, possibilitando a redução do período inicial de colheita das folhas; b) as progênies estudadas apresentam pouca variabilidade genética em relação aos caracteres estudados; c) a produção de folhas, expressou os maiores ganhos de seleção; d) a seleção pela média de progênies é mais indicada para os caracteres altura da planta, produção de folhas e rendimento de óleo e em nível indivíduos para o caráter teor de citronelal no óleo essencial; e) a morfologia de sementes das matrizes e folhas e pilos das mudas servem de orientação para seleção de materiais; f) o ranqueamento com base em multi caracteres é eficiente para a seleção de progênies superiores e g) a população apresenta média superior às que têm sido usadas comercialmente no Brasil, destinadas à produção de óleo essencial.
Corymbia citriodora is an important species among aromatic plants. It is a multipurpose species cultivated by small and intermediate farmers, which makes Brazil the largest world producer of essential oils obtained from leaves. Therefore, the study of genetic variations of the silvicultural variables and the oil production characteristics are necessary for the selection of desirable materials for a tree-breeding program. The main objective was to evaluate a C.citriodora population from Atherton QLD, Australia regarding the morphological characteristics of selected trees and superior progenies, their leaf biomass production, essential oil yield and citronelal content. The experiment was settled in February 2003, at Anhembi Forest Experimental Station, at Anhembi, SP, which belongs to the University of Sao Paulo and is managed by the the Forest Sciences Department of the “Luiz de Queiroz” Superior Agriculture College. The statistical design was completely randomised blocks, with progenies from 45 selected trees of a basic population from Atherton, QLD Australia. Ten-plants linear plots were used, with 3 repetitions, on 3 x 2 m spacing. At 11 months-old, survival rate, total height, leaf-biomass production, essential oil yield, and the citronelal content of the progenies was determined. Results demonstrated that: a) plant height growth was excellent, leading to a earlier first leaf harvesting; b) the progenies showed low genetic variation related to the characteristics evaluated; c) leaf production showed high selection gains; d) average of progenies’ selection is recommended for plant height, leaf production and oil yield. An evaluation of individuals is better for citronelal content selection; e) morphology of seeds fromselect trees, leaves and pilos of seedlings can help the selection of desirable materials; f) use of a rank system based on multiple variables is efficient for selection of desirable materials; g) the studied population showed, on average, a greater oil potential than others populations currently used in Brazil for essential oil production.
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Slaughter, Leeann L. "Antilisterial Characteristics of Volatile Essential Oils." UKnowledge, 2013. http://uknowledge.uky.edu/animalsci_etds/16.

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This study explored the in vitro and in situ antilisterial inhibitory activity of 16 essential oils during indirect exposure: Spanish Basil oil (Ocimum basilicum), Bay oil (Pimenta racemosa), Italian Bergamot oil (Citrus bergamia), Roman Chamomile oil (Anthemis nobilis), Sir Lanka Cinnamon oil (Cinnamomum zeylanicum), Citral, Clove Bud oil (Syzygium aromaticum), Cumin Seed oil (cuminum cyminum), Eucalyptus oil (Eucalyptus globulus), Eugenol, Geranium extract (Pelargonium graveolens), Marjoram oil (Origanum majorana), Neroli extract (Citrus aurantium), Peppermint oil (Mentha piperita L.), Rosemary oil (Rosmarinus officinalis L.),and Spanish Sage oil (Salvia officinalis L.). All essential oils were tested against Listeria monocytogenes (ATCC 4644). In vitro inhibitory activity was determined using the microatmosphere method at three temperatures (37°C, 24°C, 4°C) and six possible volumes (0, 10µl, 25µl, 50µl, 100µl, 150µl, or 200µl). In situ inhibitory activity was determined using inoculated bologna slices packaged in Modified Atmosphere Packaging (80% O2, 20% CO2). Essential oils (0, 0.13ml, 1.35ml, or 2.70ml) were injected into the sample packages adjacent, but not touching, the bologna slices and stored at 24°C for 24h. Basil oil displayed the least antilisterial activity across the three temperature applications in vitro. Peppermint, Cumin Seed, and Citral consistently exhibited the greatest antilisterial activity among the temperature applications in vitro. However, only Eugenol applied at 1.35ml achieved a mean one log10 CFU/ml reduction in LM in situ, which could not be replicated. Peppermint (P < 0.048) displayed significant differences between application volumes (0.13ml, 1.35ml) but did not attain a mean one log10 CFU/ml reduction in LM. This study suggests that while various essential oils can display antilisterial activity in vitro, transitioning into a MAP food system warrants further research in mode of actions and application volumes.
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Ishlak, Adel. "ALTERING THE FORMATION OF TRANS FATTY ACIDS IN CONTINUOUS CULTURES THROUGH OILS AND NATURAL DIETARY SUPPLEMENTATIONS." OpenSIUC, 2013. https://opensiuc.lib.siu.edu/dissertations/711.

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Gersbach, Paul Vincent, University of Western Sydney, and of Science Technology and Environment College. "Aspects of essential oil secretion in vascular plants." THESIS_CSTE_XXX_Gersbach_P.xml, 2001. http://handle.uws.edu.au:8081/1959.7/775.

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A study of some aspects of essential oil secretion in plants was conducted. The first part of the study involved analysis of the volatile terpenoid content and composition of leaf extracts from a range of Australian native plants by gas chromatography and mass spectrometry. Secretory structures were studied by several microscopic imaging techniques including conventional bright and dark field optical microscopy, confocal microscopy, and scanning (SEM) and transmission (TEM) electron microscopy. Three methods were employed for scanning electron microscopy. Sample material was prepared for conventional SEM by chemical fixation and rapid freeze fixation, and fresh material was imaged by environmental SEM. These methods were compared, and the images acquired by environmental SEM were invariably of a superior standard as the biological integrity of the samples was retained throughout, and the samples were free of process-induced artefacts. Several other tests were conducted and results discussed in some detail. In the final part of the study, aspects of essential oil secretion were examined by histochemical methods. The first of these was a new method based on traditional approaches to histochemistry. The monoterpene phenols thymol and carvacrol were located in glandular trichomes of Lamiaceae species by means of a colour-change reaction of the phenols with a nitrosophenol/acid reagent. The second used magnetic resonance imaging by a chemical shift selective method to locate, non invasively, the aromatic monoterpenes thymol and anethole in secretory structures in the fruit of Carum copticum (Apiaceae) and the leaves of Backhousia anisata (Myrtaceae) respectively.
Doctor of Philosophy (PhD) (Science)
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Low, Wan Li. "Lipsome encapsulated antimicrobial metal ions and essential oils." Thesis, University of Wolverhampton, 2012. http://hdl.handle.net/2436/219012.

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This study investigates the feasibility of using TTO and Ag+ alone and in combination either as free or liposome encapsulated agents. Based on the minimum lethal concentration (MLC), the fractional lethal concentration index (FLCI) showed that treatment with unencapsulated combinations of TTO and Ag+ exerted a synergistic effect against P. aeruginosa (FLCI = 0.263) and indifferent effects against S. aureus and C. albicans (0.663 and 0.880, respectively). Using polyvinyl alcohol (PVA) emulsified agents in combination, showed synergistic effects against P. aeruginosa and S. aureus (FLCI = 0.325 and 0.375, respectively), but C. albicans remained indifferent (FLCI = 0.733). Time kill experiments revealed that the combined agent concentrations and elimination time (to the lowest limit of detection, LOD) are as follows: C. albicans: 0.12%v/vTTO:2.5x10-4Ag+:1.5hrs, P. aeruginosa: 1%v/vTTO:3.2x10-4Ag+:15mins and S. aureus: 1.2%v/vTTO:3.2x10-4Ag+:30mins. Repeating these experiments with emulsified TTO encapsulated in liposomes (lipo-TTO:PVA30-70kDa) against P. aeruginosa and S. aureus reduced the effective amount of TTO required (compared to free TTO). However, this was not observed in C. albicans. The required effective concentration of Ag+ from liposome encapsulated Ag+ (lipo-Ag+) was shown to remain the same as free Ag+. The effective concentration and elimination time of liposomal agents in combination are as follows: C. albicans: 0.05%v/vTTO:PVA:8.9x10-5Ag:PVA:2.0hrs, P. aeruginosa: 0.25%v/vTTO:PVA:3.2x10-4Ag:PVA:30mins and S. aureus: 0.05%v/vTTO:PVA:6.0x10-4Ag:PVA:1.5hrs. These results showed the potential of using TTO and Ag+ in combination, along with liposome delivery systems to effectively lower the MLC. Scanning electron micrographs of microorganisms exposed to Ag+ showed a reduction in cell size when compared to untreated cells. Transmission electron micrograph of C. albicans showed the cell surface damaging potential of Ag+. Furthermore, this investigation also demonstrated the feasibility of using chitosan hydrogels as an alternative delivery system for TTO and/or Ag+. The development of these controlled release systems to deliver alternative antimicrobial agents may allow sustained targeted delivery at microbiocidal concentrations.
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Mam, Rashid Sirwan Ahmed. "Encapsulation of essential oils in food grade materials." Thesis, University of Leeds, 2016. http://etheses.whiterose.ac.uk/15702/.

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The objective of this study was firstly to assess the ability of liquid skimmed milk in combination with different concentrations of maltodextrin (MD) to emulsify 5% w/w thyme essential oils (EOs). Secondly, to analyse the chemical composition of the used thyme EOs and further examine the physical properties of some EOs components such as solubility, surface activity and partitioning coefficient. Moreover, assessing the antibacterial activity of free and encapsulated EOs in vivo and in vitro mediums. From the results of thyme EOs analysis, 29 compounds were identified that containing different terpenes. The results show that skimmed milk with MD performed as an excellent delivery system for emulsifying thyme EOs with high stability for 60 days and formation of small size droplets < 234 nm. The produced powders obtained by spray drying the initial emulsions were analysed, and the results showed that increasing the concentration of MD from zero to 3 % w/w decreased surface oil, retained higher amounts of EOs with the encapsulation efficiency reaching up to 97.4 %. The antibacterial activity against Escherichia coli and Staphylococcus aureus was assessed by using free and encapsulated thyme EOs in the form of the solution or direct addition to the inoculum or food products. The minimum inhibitory concentration (MIC) was lowest 0.3 mg/mL against both Escherichia coli and Staphylococcus aureus, when encapsulated EOs was directly added to the inoculum and prolonged shelf-life of both skimmed and unpasteurised raw milk were attained with the same formulation. Furthermore, the food matrices had a great role in decreasing the antibacterial activity of EOs by decreasing the availability of the active components and preserving the bacteria cells from them. The encapsulation of EOs increased the bioactivity of thyme EOs. The combination of EOs and low temperatures had a significant role in increasing the shelf-life of whole unpasteurised milk.
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Nunes, Maria João Correia. "Evaluation of minimal inhibitory concentrations of essential oils." Master's thesis, ISA/UTL, 2012. http://hdl.handle.net/10400.5/5268.

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Mestrado em Engenharia Alimentar - Instituto Superior de Agronomia
Essential oils of Origanum vulgare, Salvia lavandulaefolia, Salvia officinalis, Salvia sclarea and Rosmarinus officinalis were evaluated for their antimicrobial activity against Listeria monocytogenes, Pseudomonas aeruginosa and Yarrowia lipolytica using the microdilution method. The most promising essential oil showed to be the Origunum vulgare with an inhibition range of 0,006 to 0,352% (v/v) for the yeasts and from 0,003 to 0,011% (v/v) for the bacteria species, with no significant differences between Gram positive and negative cells. Statistical analysis demonstrated a great variability in the Origanum vulgare and Rosmarinus officinalis oils results for both bacteria and yeasts growth. Data variability was larger as the essential oil concentration increased. The Origanum vulgare essential oil demonstrated to have the most promising capacity to be applied in food models against the assayed microorganisms in a future work.
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Bruno, Flores Josue Manuel, García Alejandra Gabriela Castillo, Yañez Natalie Escudero, Bonilla Camila Jimena Hernández, and Villacorta Erika Valeria Lopez. "Make it essential." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/626527.

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“Make it essential” es el nombre de nuestro proyecto de negocio que plantea poner fin a una necesidad y problemática que permanece en la sociedad y que, en los últimos años, se ha incrementado de manera significativa en los sectores de educación y laboral como es el estrés, a través de una solución innovadora que les permita llevar una vida más plena. El proyecto se basa en la venta de joyas difusoras de aceites esenciales que cumplen el propósito de aliviar el estrés que es originado por los estudios, el trabajo y también problemas por los que pueda estar pasando la persona. A lo largo del ciclo, hemos logrado validar la idea de negocio a través del planteamiento de hipótesis y la ejecución del Concierge que fue impulsado por las estrategias de marketing en redes sociales. El público logró tener una buena aceptación del producto gracias al valor diferenciado que posee y obtuvo ventas por 212 unidades a la fecha, que están valorizadas en S/. 12,321. Asimismo, la empresa tiene como objetivo crecer con el tiempo, tanto en ventas como en capacidad instalada, con la finalidad de lograr atender la demanda proyectada y expandirse a otros territorios. Es decir, el análisis de viabilidad en un horizonte de 5 años nos indica que el proyecto está valorizado en S/. 47,963 gracias a la proyección de flujos de efectivo traídos a valor presente, lo cual nos indica que el proyecto es viable y sostenible en el tiempo.
"Make it essential" is the name of our business project that proposes to end a need and problem that remains in society and that in recent years has increased significantly in the education and work sectors such as stress, through an innovative solution that allows them to lead a fuller life. The project is based on the sale of jewelry diffusers of essential oils that fulfill the purpose of relieving the stress that is caused by studies, work and also problems that the person may be going through. Throughout the cycle we have managed to validate the business idea through the hypothesis approach and the execution of the Concierge that was driven by social media marketing strategies. The audience managed to have a good acceptance of the product thanks to the differentiated value that it has, achieving sales of 212 units to date that are valued in S /. 12,321. The company aims to grow over time, both in sales and installed capacity to meet projected demand and expand to other territories. The feasibility analysis over a 5-year horizon tells us that the project is valued in S/. 47,963 thanks to the projection of cash flows brought to present value, which tells us that the project is viable and sustainable over time.
Trabajo de investigación
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Salvesen, Gregory John. "The effects of inhaled bergamot and geranium essential oils on rat behaviour." The University of Waikato, 2009. http://hdl.handle.net/10289/2784.

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The aim of this study was to evaluate the behavioural effects of inhaled bergamot, geranium and a combination of these oils in three novelty evoked tests of anxiety. Sixty adult Hooded Rats (Rattus norvegicus), with 10 rats randomly assigned to one of the 6 test groups; three essential oil treated groups, and three control groups. The essential oil groups consisted of bergamot, geranium and a combined group, i.e. the combination of bergamot and geranium oil. The control groups consisted of the odour and vehicle control, with the anxiolytic drug diazepam as a positive control. The behaviour of rats was assessed on the elevate-plus maze, open-field and social interaction test. Diazepam increased open arm entries and the time spent in the open arms, decreased time spent in closed arms and increased the number of head-dips and unprotected stretch-attends in the EPM. In the open-field diazepam increased immobility time, decreased ambulation, increased grooming activity and reduced the amount of time spent exploring the arena. Similarly, diazepam decreased the frequency of separations, sniffs, follows, crawls, passive and active interactions with test partners in the social interaction test. Bergamot, geranium and the combination of the two oils increased total arm entries in the elevated-plus maze. Bergamot increased locomotion and exploratory behaviour in open-field and decreased contact latency and increased passive and active interaction between the rat pairs in the social interaction test. Geranium decrease immobility and increase the time spent rearing in the open-field and also increased active interaction, i.e. partner sniffing and decreased the amount of time the rat pairs spent apart in the social interaction test. The combination of bergamot and geranium oil increased locomotion and the time spent in Zone2, and also increased exploratory behaviour, i.e. the frequency and duration of rears in the open-field. In the social interaction test, contact latency was shortened and active and passive interactions between rat pairs were increased by the combination of essential oils. The present study established that bergamot, geranium, and the combination of the two oils had a stimulating effect in the elevated-plus maze and an anxiolytic effect in the open-field and social interaction tests when inhaled. Furthermore the study also demonstrated that the combining of the oils had a potentiating effect on the anxiolytic properties of the single oils.
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Olleveant, Nicola Alaine. "Physiological and psychological effects of aromatherapy massage on critically ill patients." Thesis, University of Liverpool, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275050.

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Books on the topic "Essentials oils"

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Mastering color: The essentials of color illustrated with oils. Cincinnati, Ohio: North Light Books, 2006.

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Lawrence, Brian M. Essential oils. Carol Stream, Ill: Allured, 1993.

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group), Midnight Oil (Musical. Essential Oils. New York, NY: Sony Music Entertainment, 2013.

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Essential oils. Menai Bridge: Island Books, 2003.

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Lawrence, Brian M. Essential oils. Carol Stream, Ill: Allured, 1995.

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Lawrence, Brian M. Essential oils. Wheaton, Ill: Allured, 1989.

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Discover essential oils. Berkeley, CA: Ulysses Press, 1998.

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Sawamura, Masayoshi, ed. Citrus Essential Oils. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470613160.

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375 essential oils and hydrosols. Berkeley, Calif: Frog, 1999.

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Fishman, Ruti. Aromaterapyah le-ohavim. Tel Aviv: Asṭrolog, 2008.

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Book chapters on the topic "Essentials oils"

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Al-Harrasi, Ahmed, Saurabh Bhatia, Mohammed Muqtader Ahmed, Khalid Anwer, and P. B. Sharma. "Pharmacokinetics of Essentials Oils." In Role of Essential Oils in the Management of COVID-19, 359–70. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003175933-24.

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Szumacher-Strabel, Malgorzata, and Adam Cieślak. "Essentials Oils and Rumen Microbial Populations." In Dietary Phytochemicals and Microbes, 285–309. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-3926-0_10.

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Pengelly, Andrew. "Essential oils." In The constituents of medicinal plants, 123–46. 3rd ed. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789243079.0008.

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Abstract This chapter provides information on the extraction methods, chemistry and pharmacological actions of essential oils, which are odorous exudations or principles stored in special plant cells (glands, glandular hairs, oil ducts or resin ducts) situated in any part of an essential oil plant. These oils are responsible for the distinctive aromas associated with individual plant species.
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Wright, J. "Essential oils." In Food Flavorings, 25–57. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-8389-5_2.

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Cserháti, Tibor. "Essential Oils." In Chromatography of Aroma Compounds and Fragrances, 269–315. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01656-1_3.

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Gooch, Jan W. "Essential Oils." In Encyclopedic Dictionary of Polymers, 274. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_4511.

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Ohloff, Günther. "Essential Oils." In Scent and Fragrances, 127–97. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-78418-7_8.

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Khan, Mohd Sajjad Ahmad, and Mohd Musheer Altaf. "Essential Oils." In Microbial Biofilms, 421–43. Boca Raton : CRC Press, 2020.: CRC Press, 2020. http://dx.doi.org/10.1201/9780367415075-24.

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Moreira, M. R., M. V. Alvarez, and A. G. Ponce. "Essential Oils." In Postharvest Management Approaches for Maintaining Quality of Fresh Produce, 113–24. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-23582-0_7.

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Srivastava, Ajay, Rajiv Lall, Anita Sinha, and Ramesh C. Gupta. "Essential Oils." In Nutraceuticals in Veterinary Medicine, 157–73. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04624-8_11.

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Conference papers on the topic "Essentials oils"

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Eyupoglu, Seyda. "Investigation of Insect Repellent Essential Oils." In 2019 3rd International Symposium on Multidisciplinary Studies and Innovative Technologies (ISMSIT). IEEE, 2019. http://dx.doi.org/10.1109/ismsit.2019.8932843.

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Handayani, Windri, Retno Yunilawati, and Cuk Imawan. "The Antibacterial Effect from Combining Cinnamon, Patchouli and Coriander Essential Oils." In 2nd International Conference of Essential Oil Indonesia. SCITEPRESS - Science and Technology Publications, 2019. http://dx.doi.org/10.5220/0009968601530158.

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Stålnacke, M., E. Mgbeahuruike, and Y. Holm. "Combination effects of essential oils with antimicrobials." In 67th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research (GA) in cooperation with the French Society of Pharmacognosy AFERP. © Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-3400018.

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Santos, Amélia Rute, Camila Santos, Nuno Belino, Jesus Rodilla, and Ana Paula Gomes. "Encapsulation of Essential Oils in Silica Coating." In The 6th International Virtual Conference on Advanced Scientific Results. Publishing Society, 2018. http://dx.doi.org/10.18638/scieconf.2018.6.1.525.

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Liu, Chien-Wei, Shen-Tzu Lin, and Ching-Sung Wang. "Emotional Perception Analysis of Fragrance Essential Oils." In Proceedings of the 2019 5th International Conference on Humanities and Social Science Research (ICHSSR 2019). Paris, France: Atlantis Press, 2019. http://dx.doi.org/10.2991/ichssr-19.2019.39.

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Karacam, Meryem, and Durmus Alpaslan Kaya. "The effect of some essential oils on pathogenes that cause eczema." In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.ii.13.

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In this study, the antimicrobial activity of essential oils obtained from Thymbra spicata L., Lavandula angustifolia Mill. and Myrtus communis L. on the pathogens causing eczema Staphylococcus aureus (ATCC 29213), Staphylococcus epidermidis (ATCC 12228), Escheria coli (ATCC 25922), Acinetobacter baumannii (ATCC 43498), Pseudomonas aeruginosa (ATCC 27853) ve Candida albicans (ATCC 90028) were investigated. The MIC and MBC values of the essential oils used in the study against the pathogens causing eczema were determined. As a result of the results obtained, antimicrobial activity of plant essential oils used in the study on test microorganisms was determined. Among the essential oils, it was found that the most effective essential oil was thyme followed by the lavender.
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Nur Aidha, Novi, Retno Yunilawati, and Irma Rumondang. "Method Development for Analysis of Essential Oils Authenticity using Gas Chromatography-Mass Spectrometry (GC-MS)." In 2nd International Conference of Essential Oil Indonesia. SCITEPRESS - Science and Technology Publications, 2019. http://dx.doi.org/10.5220/0009956000410046.

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Sadykov, Timergaziz G. "Economics In The Oil And Gas Industry Of Modern Russia." In Conference on Land Economy and Rural Studies Essentials. European Publisher, 2021. http://dx.doi.org/10.15405/epsbs.2021.07.102.

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Nurhadianty, Vivi, Indah Amalia Amri, Safira Kanza, Luh Putu Maharani, and Chandrawati Cahyani. "Moisturizing Lotion Formulation on Tropical Skin based on Cananga Oil (Cananga odorata), Kaffir Lime Oil (Citrus hystrix DC) and Patchouli Oil (Pogostemon cablin) as a Bioactive." In 2nd International Conference of Essential Oil Indonesia. SCITEPRESS - Science and Technology Publications, 2019. http://dx.doi.org/10.5220/0009957601060111.

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Suyono, Handi, and Deby Susanti. "The Medical Benefits of Vetiver Essential Oil." In 2nd International Conference of Essential Oil Indonesia. SCITEPRESS - Science and Technology Publications, 2019. http://dx.doi.org/10.5220/0009954400090012.

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Reports on the topic "Essentials oils"

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Yankova-Tsvetkova, Elina, Milena Nikolova, Ina Aneva, Tatjana Stefanova, and Strahil Berkov. Germination Inhibition Bioassay of Extracts and Essential Oils from Plant Species. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, September 2020. http://dx.doi.org/10.7546/crabs.2020.09.09.

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Castro, Ricardo Dias de. Chemical and antifungal analysis of essential oils and phytochemicals against Candida albicans. Science Repository OÜ, March 2019. http://dx.doi.org/10.31487/j.cmr.2018.01.005.

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Dimitrova-Dyulgerova, Ivanka, Yulian Marinov, Tsvetelina Mladenova, Plamen Stoyanov, and Albena Stoyanova. Essential Oils Composition of the Endemic Bulgarian Plant Species Micromeria frivaldszkyana (Degen) Velen. (Lamiaceae). "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, December 2019. http://dx.doi.org/10.7546/crabs.2019.11.05.

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Dogan, Hulya, Hafize Fidan, and Albena Stoyanova. Diversity of the Chemical Composition of Essential Oil of Ziziphora persica Bunge Ecotypes. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, September 2020. http://dx.doi.org/10.7546/crabs.2020.09.07.

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Needham, Glenn R., Uri Gerson, Gloria DeGrandi-Hoffman, D. Samatero, J. Yoder, and William Bruce. Integrated Management of Tracheal Mite, Acarapis woodi, and of Varroa Mite, Varroa jacobsoni, Major Pests of Honey Bees. United States Department of Agriculture, March 2000. http://dx.doi.org/10.32747/2000.7573068.bard.

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Objectives: The Israeli work plan regarding HBTM included: (a) producing a better diagnostic method; (b) following infestations during the season and evaluating damage to resistant bees and, (c) controlling HBTM by conventional means under local conditions. For varroa our plans to try novel control (e.g. oil novel control (e.g. oil patties & essential oils) were initially delayed by very low pest populations, then disrupted by the emergence of fluvalinate resistance. We monitored the spread of resistance to understand it better, and analyzed an underlying biochemical resistance mechanism in varroa. The US work plan focused on novel management methods for both mites with an emphasis on reducing use of traditional insecticides due to resistance and contamination issues. Objectives were: (a) evaluating plant essential oils for varroa control; (b) exploring the vulnerability of varroa to desiccation for their management; and (c) looking for biological variation in HBTM that could explain virulence variability between colonies. Although the initial PI at the USDA Beltsville Bee Lab, W.A. Bruce, retired during the project we made significant strides especially on varroa water balance. Subcontracts were performed by Yoder (Illinois College) on varroa water balance and DeGrandi-Hoffman (USDA) who evaluated plant essential oils for their potential to control varroa. We devised an IPM strategy for mite control i the U.S. Background: Mites that parasitize honey bees are a global problem. They are threatening the survival of managed and feral bees, the well-being of commercial/hobby beekeeping, and due to pollination, the future of some agricultural commodities is threatened. Specific economic consequences of these mites are that: (a) apiculture/breeder business are failing; (b) fewer colonies exist; (c) demand and cost for hive leasing are growing; (d) incidences of bee pathogens are increasing; and, (e) there are ore problems with commercial-reared bees. As a reflection of the continued significance f bee mites, a mite book is now in press (Webster & delaplane, 2000); and the 2nd International Conference on Africanized Honey Bees and Bee Mites is scheduled (April, 2000, Arizona). The first such conference was at OSU (1987, GRN was co-organizer). The major challenge is controlling two very different mites within a colony while not adversely impacting the hive. Colony management practices vary, as do the laws dictating acaricide use. Our basic postulates were that: (a) both mites are of economic importance with moderate to high infestations but not at low rates and, (b) once established they will not be eradicated. A novel strategy was devised that deals with the pests concomitantly by maintaining populations at low levels, without unnecessary recourse to synthetic acaricides. Major Conclusions, Solutions, Achievements: A major recent revelation is that there are several species of "Varroa jacobsoni" (Anderson & Trueman 1999). Work on control, resistance, population dynamics, and virulence awaits knowing whether this is a problem. In the U.S. there was no difference between varroa from three locales in terms of water balance parameters (AZ, MN & PA), which bodes well for our work to date. Winter varroa (U.S.) were more prone to desiccation than during other seasons. Varroa sensitivity to desiccation has important implications for improving IPM. Several botanicals showed some promise for varroa control (thymol & origanum). Unfortunately there is varroa resistance to Apistan in Israel but a resistance mechanism was detected for the first time. The Israel team also has a new method for HBTM diagnosis. Annual tracheal mite population trends in Israel were characterized, which will help in targeting treatment. Effects of HBTM on honey yields were shown. HBTM control by Amitraz was demonstrated for at least 6 months. Showing partial resistance by Buckfast bees to HBTM will be an important IPM tactic in Israel and U.S.
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Hochrein, James Michael, and Adriane Nadine Irwin. Composition of the essential oils from Rocky Mountain juniper (Juniperus scopulorum), Big sagebrush (Artemisia tridentata), and White Sage (Salvia apiana). Office of Scientific and Technical Information (OSTI), September 2003. http://dx.doi.org/10.2172/918273.

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Al-Hijazeen, Marwan, Dong Uk U. Ahn, and Aubrey F. Mendonca. Effect of Oregano Essential Oil on the Storage Stability and Quality Parameters of Ground Chicken Breast Meat. Ames (Iowa): Iowa State University, January 2018. http://dx.doi.org/10.31274/ans_air-180814-288.

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Krumova, Ekaterina, Milena Nikolova, Jeny Miteva-Staleva, Nedelina Kostadinova, Radoslav Abrashev, Vladislava Dishliyska, Strahil Berkov, Blaga Mutafova, and Maria Angelova. Bio-efficacy of the Essential Oil Isolated from Origanum vulgare Subsp. hirtum against Fungal Pathogens of Potato. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, October 2021. http://dx.doi.org/10.7546/crabs.2021.10.18.

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Karabörklü, Salih, Urgur Azizoglu, Semih Yilmaz, Abdurrahman Ayvaz, and Mehmet Akdeniz. The Chemical Composition of Cyclotrichium origanifolium Essential Oil and Its Insecticidal Activity against Four Stored-product Insect Pests. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, June 2019. http://dx.doi.org/10.7546/crabs.2019.06.18.

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Georgieva, Katya, Veselin Nanev, Ina Aneva, Strahil Berkov, and Milena Nikolova. Suppression of Fasciola hepatica Transmission by Galba truncatula Snails with Origanum vulgare Subsp. Hirtum Extract and Essential Oil. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, September 2021. http://dx.doi.org/10.7546/crabs.2021.09.08.

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