Bibliografie tematiche / Essential oils

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Letteratura scientifica selezionata sul tema "Essential oils"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 11 marzo 2023

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Articoli di riviste sul tema "Essential oils"

Manion, Chelsea R., e Rebecca M. Widder. "Essentials of essential oils". American Journal of Health-System Pharmacy 74, n. 9 (1 maggio 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 e Monica Shah. "The Essentials of Essential Oils". Advances in Pediatrics 66 (agosto 2019): 111–22. http://dx.doi.org/10.1016/j.yapd.2019.03.005.

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Hoffmann, Klaus H. "Essential oils". Zeitschrift für Naturforschung C 75, n. 7-8 (28 luglio 2020): 177. http://dx.doi.org/10.1515/znc-2020-0124.

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Knoerr, Kellie. "ESSENTIAL OILS". Gastroenterology Nursing 41, n. 3 (2018): 250–54. http://dx.doi.org/10.1097/sga.0000000000000360.

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Paine, Luther L. "ESSENTIAL OILS". Journal of the American Dental Association 138, n. 3 (marzo 2007): 284. http://dx.doi.org/10.14219/jada.archive.2007.0150.

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Lyon, Kenneth F. "Essential oils". Journal of Veterinary Dentistry 5, n. 4 (dicembre 1988): 19–20. http://dx.doi.org/10.1177/089875648800500404.

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Rahunuma, Sarwar, e Pathiyil Ravi Shankar. "Essential Oils". Janaki Medical College Journal of Medical Science 7, n. 2 (31 dicembre 2019): 63–64. http://dx.doi.org/10.3126/jmcjms.v7i2.30696.

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Grey, Katherine R., Solveig L. Hagen e Erin M. Warshaw. "Essential Oils". Dermatitis 27, n. 4 (2016): 227–28. http://dx.doi.org/10.1097/der.0000000000000202.

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Limberger, Renata P., Cláudia A. Simões-Pires, Marcos Sobral e Amélia T. Henriques. "Essential Oils ofMarliereaSpecies". Journal of Essential Oil Research 16, n. 5 (settembre 2004): 479–82. http://dx.doi.org/10.1080/10412905.2004.9698776.

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Lundie, S. "Fearing essential oils". International Journal of Aromatherapy 7, n. 1 (1995): 34–35. http://dx.doi.org/10.1016/0962-4562(95)80019-0.

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Tesi sul tema "Essential oils"

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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Gersbach, Paul Vincent, University of Western Sydney e 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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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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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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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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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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Бабенко, Наталія Олександрівна. "Aromatherapy: essential oils as an alternative to treatment". Thesis, Київський національний університет технологій та дизайну, 2020. https://er.knutd.edu.ua/handle/123456789/15260.

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Bruno, Flores Josue Manuel, García Alejandra Gabriela Castillo, Yañez Natalie Escudero, Bonilla Camila Jimena Hernández e 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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Turek, Claudia [Verfasser]. "Investigations into the Stability of Essential Oils / Claudia Turek". Aachen : Shaker, 2013. http://d-nb.info/1051574048/34.

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Andersson, Karin. "Mosquito repellency of essential oils derived from Lao plants". Thesis, Uppsala universitet, Institutionen för biologisk grundutbildning, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-123717.

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Essential oils or extracts obtained from four plant species growing in Laos were tested foranti-mosquito activity in the field. Solutions of alcohol or acetone containing differentconcentrations of essential oil; 5, 10 or 19 v/v %, were prepared and tested. Mosquitoes werecollected by human baits wearing oil impregnated mosquito nets around their shanks. Thenumber of attracted mosquitoes was compared to the number attracted to positive andnegative controls, i.e., human baits wearing nets impregnated with 19 % N,N-diethyl-metatoluamide (DEET, NN-diethyl-methyl-benzamide) or untreated nets, respectively. A one wayANOVA analysis was conducted on the log-transformed total number of mosquitoes collectedusing each treatment. The statistical analysis showed that significantly fewer mosquitoes wereattracted to the treatment harbouring 19 % oil of Scutellaria angustifolia than to the negativecontrol. No significant decrease in attracted mosquitoes could be detected for the treatmentscontaining oil from the plant Litsea cubeba. However, a tendency of repellency was indicated. Therefore, an investigation running over a longer period of time is desired for Litsea cubeba. No conclusions could be drawn for the remaining two species; Tagetes patula and Citrussinensis.

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Libri sul tema "Essential oils"

Santana de Oliveira, Mozaniel, a cura di. Essential Oils. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99476-1.

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

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

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

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

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Lawrence, Brian M. Essential oils, 2001-2004. Carol Stream, IL: Allured Pub. Corp., 2006.

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Essential oils in Nepal: A practical guide to essential oils and aromatherapy. Kathmandu: Himalayan Bio Trade Pvt. Ltd., 2009.

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Capitoli di libri sul tema "Essential oils"

Pengelly, Andrew. "Essential oils." In The constituents of medicinal plants, 123–46. 3^a 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 Flavourings, 24–53. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4613-0499-9_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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Srivastava, Ajay, Rajiv Lall, Anita Sinha e 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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Wright, J. "Essential oils". In Food Flavorings, 25–57. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-2161-7_2.

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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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Hanif, Muhammad Asif, Shafaq Nisar, Ghufrana Samin Khan, Zahid Mushtaq e Muhammad Zubair. "Essential Oils". In Essential Oil Research, 3–17. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16546-8_1.

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Dunford, James C., Louis A. Somma, David Serrano, C. Roxanne Rutledge, John L. Capinera, Guy Smagghe, Eli Shaaya et al. "Essential Oils". In Encyclopedia of Entomology, 1362. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_3667.

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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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Atti di convegni sul tema "Essential oils"

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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Santos, Amélia Rute, Camila Santos, Nuno Belino, Jesus Rodilla e 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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Stålnacke, M., E. Mgbeahuruike e 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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Liu, Chien-Wei, Shen-Tzu Lin e 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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Handayani, Windri, Retno Yunilawati e 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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Gonzalez, Araceli Lopez, P. A. Vazquez Landaverde e Miriam G. Rodriguez Olvera. "Authenticity analysis of orange (Citrus sinensis) essential oils". In 2019 IEEE International Conference on Applied Science and Advanced Technology (iCASAT). IEEE, 2019. http://dx.doi.org/10.1109/icasat48251.2019.9069529.

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Vorobets, N., H. Yavorska e L. Svydenko. "Antibacterial activity of Calamintha mentifolia Host. essential oils". In GA – 70th Annual Meeting 2022. Georg Thieme Verlag KG, 2022. http://dx.doi.org/10.1055/s-0042-1759234.

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Faria, Jorge M. S., e Inês V. da Silva. "Anti-Nematodal Essential Oils with Activity against Anisakis". In ECMS 2021. Basel Switzerland: MDPI, 2021. http://dx.doi.org/10.3390/ecms2021-10827.

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Güzel, Yelda, Durmuş Alpaslan Kaya e Musa Türkmen. "Essential Oil Composition of Teucrium montbretii Subsp. montbretii Benth. (Lamiaceae)". 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.8.

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Essential oils obtained by hydrodistillation of Teucrium montbretii subsp. montbretii Benth. (Lamiaceae) from Hatay (Turkey), were analyzed by GC/MS. Forty-four volatile components were identified in the oils, representing 98.12 % of the total oils. The sample was yielded 0.24% of yellowish oil (w/w), with a pleasant smell. The main essential oil compounds of the plant were trans-caryophyllene, germacrene-D and caryophyllene oxide, representing 66.7%. Trans-caryophyllene, which has the highest ratio (36.78%), also known as β-caryophyllene, is a component that is the main constituent of many plants included in the sesquiterpene chemical class. Second main component germacrene-D (19.87%) is also sesquiterpene and detected in the essential oil of many plants. α-Copaene, humulene, aromadendrene and globulol were the other components detected at ratio of 5.45%, 4.29%, 3.99% and 3.35%, representing 17.08%, respectively.

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Berechet, Mariana Daniela, Corina Chirila e Viorica Deselnicu. "Antifungal Activity of some Essential Oils on Cotton Fabrics". In The 6th International Conference on Advanced Materials and Systems. INCDTP - Division: Leather and Footwear Research Institute, Bucharest, RO, 2016. http://dx.doi.org/10.24264/icams-2016.ii.1.

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Rapporti di organizzazioni sul tema "Essential oils"

Yankova-Tsvetkova, Elina, Milena Nikolova, Ina Aneva, Tatjana Stefanova e Strahil Berkov. Germination Inhibition Bioassay of Extracts and Essential Oils from Plant Species. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, settembre 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, marzo 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 e 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, dicembre 2019. http://dx.doi.org/10.7546/crabs.2019.11.05.

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Hochrein, James Michael, e 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), settembre 2003. http://dx.doi.org/10.2172/918273.

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Needham, Glenn R., Uri Gerson, Gloria DeGrandi-Hoffman, D. Samatero, J. Yoder e 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, marzo 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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Dogan, Hulya, Hafize Fidan e 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, settembre 2020. http://dx.doi.org/10.7546/crabs.2020.09.07.

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Al-Hijazeen, Marwan, Dong Uk U. Ahn e 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, gennaio 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 e 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, ottobre 2021. http://dx.doi.org/10.7546/crabs.2021.10.18.

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Karabörklü, Salih, Urgur Azizoglu, Semih Yilmaz, Abdurrahman Ayvaz e 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, giugno 2019. http://dx.doi.org/10.7546/crabs.2019.06.18.

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Georgieva, Katya, Veselin Nanev, Ina Aneva, Strahil Berkov e 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, settembre 2021. http://dx.doi.org/10.7546/crabs.2021.09.08.

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