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Academic literature on the topic 'Essential (volatile) oil'

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Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Essential (volatile) oil"

Mann, Tavleen S., Garikapati D. Kiran Babu, Shailja Guleria, and Bikram Singh. "Comparison of Eucalyptus cinerea Essential Oils Produced by Hydrodistillation and Supercritical Carbon Dioxide Extraction." Natural Product Communications 6, no. 1 (2011): 1934578X1100600. http://dx.doi.org/10.1177/1934578x1100600125.

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The essential oil of Eucalyptus cinerea is reported to possess a higher 1,8-cineole content than other Eucalyptus species. Variations in the quantitative and qualitative characteristics of E. cinerea oil produced by hydrodistillation (HD) and supercritical carbon dioxide extraction (SCE) techniques and a comparison between glycoside-bound and free volatile constituents produced by HD have been studied. It was found that HD produced higher oil (free volatiles) content (3.1%) as compared with SCE (1.1%), whereas bound volatiles constituted only about 0.4%. Gas chromatographic (GC) analysis of th

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Abd Manaf, Mastura, Junaidah Jai, Rafeqah Raslan, Istikamah Subuki, and Ana Najwa Mustapa. "Microencapsulation Methods of Volatile Essential Oils - A Review." Advanced Materials Research 1113 (July 2015): 679–83. http://dx.doi.org/10.4028/www.scientific.net/amr.1113.679.

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Essential oil contained volatile compounds and they are benefit in many fields such as pharmaceutical, flavor, perfume, food, agriculture, and detergent. However, its inadequate volatile characteristics made it less efficient. Many microencapsulation methods were conducted for varies essential oils. The choice of microencapsulation method very much affected by the material to be encapsulated, wall material and its application. This review paper highlighted on microencapsulation methods of volatiles essential oils and the basic release characteristic of the active ingredients from the capsules.

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Aouf, Abdelhakim, Hatem Ali, Abdel Rahman Al-Khalifa, Khaled Fahmy Mahmoud, and Amr Farouk. "Influence of Nanoencapsulation Using High-Pressure Homogenization on the Volatile Constituents and Anticancer and Antioxidant Activities of Algerian Saccocalyx satureioides Coss. et Durieu." Molecules 25, no. 20 (2020): 4756. http://dx.doi.org/10.3390/molecules25204756.

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The nanoencapsulation of essential oils enhances their applicability in several areas, such as pharmaceuticals and food biopreservation. This study focuses on the encapsulation of Saccocalyx satureioides Coss. et Durieu essential oil into nanoemulsions by high-pressure homogenization (HPH) and its effect on the volatile constituents and the antioxidant and anticancer activities of the essential oil. The analysis of hydrodistilled (HD) S. satureioides essential oil using gas chromatography–mass spectrometry revealed a total of 28 constituents, representing 99.80%, while only 13 constituents wer

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Meliyeva, Shohista Olimovna, Khairulla Mamadievich Bobakulov, Nilufar Sagdullaevna Abdullayeva, Komila Alibekovna Eshbakova, and Amindjan Karimov. "ESSENTIAL OIL AND VOLATILE COMPONENTS DRACOCEPHALUM DIVERSIFOLIUM." chemistry of plant raw material, no. 2 (June 10, 2020): 87–92. http://dx.doi.org/10.14258/jcprm.2020026064.

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Plants of the genus Dracocephalum belong to the subfamily Nepetoideae of the family Lamiaceae of the order Lamiales and include about 70 species worldwide. In Uzbekistan grows 16 species of this genus. The purpose of this study was to study the chemical composition of the essential oil and gasoline extract of Dracocephalum diversifolium. To obtain the essential oil and gasoline extract were used the aerial parts of the plant (stems, flowers and leaves). Essential oil was isolated by hydrodistillation method. The gasoline extract was obtained by treating the air-dried aerial part of the p

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Koschier, Elisabeth H. "Essential Oil Compounds for Thrips Control – a Review." Natural Product Communications 3, no. 7 (2008): 1934578X0800300. http://dx.doi.org/10.1177/1934578x0800300726.

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This review covers aspects of putting essential oil compounds to use either as allelochemicals that manipulate the host selection process of Thysanopteran pest species or as botanical insecticides that kill these pests. Thysanoptera (thrips) make an especially interesting case study in this field, because their increasing economic impact puts some urgency on the development of novel control strategies, especially strategies that incorporate natural compounds. Known facts about the host selection behaviour of thrips are briefly summarized, and methods for the evaluation of thrips responses to v

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Mwangi, Julius W., Kohath J. Achola, Wilber Lwande, Ahmed Hassanali, and R. Laurent. "Volatile Constituents of Essential Oil ofTarconanthus camphoratusL." Journal of Essential Oil Research 6, no. 2 (1994): 183–85. http://dx.doi.org/10.1080/10412905.1994.9698351.

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Vidic, Danijela, Sanja Ćavar, Marija Edita Šolić, and Milka Maksimović. "Volatile Constituents of Two Rare Subspecies of Thymus praecox." Natural Product Communications 5, no. 7 (2010): 1934578X1000500. http://dx.doi.org/10.1177/1934578x1000500730.

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Hydrodistilled essential oil and the corresponding headspace volatiles of Bosnian wild growing Thymus praecox ssp. polytrichus (A. Kern. Ex Borbàs) Jalas and Thymus praecox ssp. skorpilii (Velen.) Jalas were subjected to capillary GC-MS analysis. This work presents a detailed essential oil analysis of these two rare Thymus subspecies from Bosnia, as well as the very first report on their headspace composition. Eighty-seven volatile constituents were identified in four samples. Two alcohols were the major constituents in the essential oil of T. praecox ssp. polytrichus, a monoterpene, linalool

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Wilson, Tyler M., Brett J. Murphy, Emma A. Ziebarth, Ariel Poulson, Chris Packer, and Richard E. Carlson. "Essential Oil Composition and Stable Isotope Profile of Osmorhiza occidentalis Torr. (Apiaceae) from Utah." Plants 11, no. 20 (2022): 2685. http://dx.doi.org/10.3390/plants11202685.

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Osmorhiza occidentalis Torr. is an essential-oil-bearing plant in the Apiaceae family. Volatile oil was produced through steam distillation (n = 3) of the above ground plant parts and was analyzed by gas chromatography (GC/FID, GC/MS), and gas chromatography/isotope ratio mass spectrometry (GC/IRMS) to establish the essential oil composition and stable isotope profile. The resulting essential oils were found to be comprised of 33 volatile compounds. Prominent volatile compounds include methyl chavicol (avg. 61.6%), (Z)-β-ocimene (avg. 14.7%), sabinene (avg. 10.5%), and γ-terpinene (avg. 2.8%).

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Akçura, S. "Evaluation of monthly changes in essential oil yield and components of cherry laurel (Prunus laurocerasus L.) leaf." Grasas y Aceites 75, no. 1 (2024): e546. http://dx.doi.org/10.3989/gya.0537231.

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This research was carried out to examine the monthly changes in both the volatile oil content and volatile components of cherry laurel leaves by taking samples every month for 12 months in Turkey. Harvest periods significantly affected volatile oil content (P < 0.01). Depending on harvest periods, volatile oil ratios ranged from 0.19 to 0.35%. The months of August, July, and September yielded the highest volatile oil ratios. Benzaldehyde, phenol, benzoic acid, benzeneacetonitrile, pentadecanone, 1,54-dibromotetrapentacontane and, tetrapentacontane were determined as components in the volati

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Pluhár, Zsuzsanna, Szilvia Sárosi, Ildikó Novák, and Gabriella Kutta. "Essential Oil Polymorphism of Hungarian Common Thyme (Thymus Glabrescens Willd.) Populations." Natural Product Communications 3, no. 7 (2008): 1934578X0800300. http://dx.doi.org/10.1177/1934578x0800300722.

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The volatile oil compositions of Thymus glabrescens Willd. from eight different localities of Hungary were analyzed by GC/MS. Significant essential oil polymorphism was found: eight new chemovarieties may have been determined, representing a way of adaptation to the different habitat conditions. The main volatile compounds of chemotype 1 (Csesznek) were thymol (34.2%), γ-terpinene (26.2%) and p-cymene (16.4%). In the case of chemotype 2 (Várpalota), germacrene D (55.4%) and β-caryophyllene (14.8%) were identified as chief constituents. Chemotype 3 (Szentbékkálla) contained thymol (32.9%), β-ca

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Dissertations / Theses on the topic "Essential (volatile) oil"

Van, Vuuren SF, and A. M. Viljoen. "Interaction between the non-volatile and volatile fractions on the antimicrobial activity of Tarchonanthus camphoratus." Elsevier, 2009. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001729.

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Abstract The contribution of the volatile constituents to the overall antimicrobial efficacy of the medicinal plant Tarchonanthus camphoratus was considered, where different extraction techniques were applied to yield four fractions. These comprised of the essential oil prepared by hydrodistillation, non-volatile constituents prepared by extraction of plant material remaining in the distilling apparatus (having no or negligible volatile constituents), and extracts prepared from fresh and dried plant material having both volatile and non-volatile constituents. The antimicrobial activities of th

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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.), Rosem

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Sales, Gleilton Weyne Passos. "Evaluation of antimicrobial activity and mechanism of action of essential oil extracted from the bark of fruits Hymenaea l. Courbail." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=11680.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>JatobÃ (Hymenaea courbaril l.) has an extensive history of use by natives of tropical forests, its fruits are composed of essential oils, tannins, bitter substances, resinous materials and pectic, starch and sugars. The objective of this study was to evaluate the antimicrobial activity of the essential oil extracted from the peel of fruits of Hymenaea courbaril l. (OEHc) and its mechanism of action on OSSA reference strains S. aureus (S. aureus ATCC 6538P and S. aureus 14458). For the evaluation of antimicrobial activity antimicrob

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Perdones, Montero Ángela. "ANTIFUNGAL CHITOSAN-BASED FILMS AND COATINGS CONTAINING ESSENTIAL OILS FOR FRUIT APPLICATIONS." Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/59413.

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[EN] Chitosan films and coatings have been obtained, by incorporating different essential oils (EO) and using different homogenization conditions of the film forming emulsions, in order to obtain antifungal materials for fruit preservation. The effect of oleic acid (OA) on the stability of the initial emulsions and on the film properties was analysed. Coatings were applied to control fungal decay in strawberries. The blending of chitosan with methylcellulose (MC) was also used in coating applications to tomato plants and fruits to prevent fungal infections. The films' functional properties as

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Deterre, Sophie. "Influence des étapes de production du parfum issu des écorces d’orange amère (Citrus aurantium L. ssp amara) sur la qualité aromatique." Thesis, Paris, AgroParisTech, 2012. http://www.theses.fr/2012AGPT0023/document.

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La liqueur Grand Marnier® produite par la Société des Produits Marnier-Lapostolle (SPML), contient un arôme d'orange amère. Cet arôme, appelé parfum, est obtenu à partir de l'huile essentielle (HE) d'écorces d'orange amère qui ont subi un procédé de macération-distillation. Le but de ce travail de thèse a été de cibler les composés d'arôme clés des écorces d'orange amère et de comprendre leur comportement au cours de la production du parfum, afin de trouver des stratégies d'optimisation. Les axes d'étude ont été les suivants : (1) identification des composés volatils odorants de l'HE et du par

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Buckley-Smith, Marion. "The Use of Solubility Parameters to Select Membrane Materials for Pervaporation of Organic Mixtures." The University of Waikato, 2006. http://hdl.handle.net/10289/2625.

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Pevaporation is a method for separating volatile components from liquid mixtures at ambient temperatures. The paint processing industry uses Hansen solubility parameters (HSP) to indicate polymer solubility. The potential of this method to predict solvent-polymer affinity was investigated for screening potential membrane materials for the pervaporation of a model solution containing linalool and linalyl acetate (major components of lavender essential oil), in ethanol. Published HSP values were collated for various polymers, and statistically analysed to determine variations in HSP values for p

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Zhao, Tianming. "Caractérisations chimiques et biologiques d’extraits de plantes aromatiques et médicinales oubliées ou sous-utilisées de Midi-Pyrénées (France) et de Chongqing (Chine)." Thesis, Toulouse, INPT, 2014. http://www.theses.fr/2014INPT0039/document.

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Les régions de Midi-Pyrénées (France) et de Chongqing (Chine) sont riches en plantes aromatiques et médicinales dites oubliées (ou médiévales). Afin de valoriser pleinement les différentes bio-molécules extractibles de ces plantes, le concept de MAP-raffinerie a été créé et appliqué à une sélection de plantes issues de ces deux régions. Plusieurs technologies d’extraction utilisant l’eau comme solvant vert (hydrodistillation, distillation à la vapeur et extraction par eau sub-critique) ont ainsi été employées et leur impact tant sur la composition des huiles essentielles que sur la récupératio

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Alexandre, Francisco Serra Oliveira. "AnÃlise FitoquÃmica de Plantas do CearÃ: potencial farmacolÃgico de Cissus verticillata e composiÃÃo volatil de Myrcia sp." Universidade Federal do CearÃ, 2007. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=6404.

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Universidade Federal do CearÃ<br>O presente trabalho relata o estudo quÃmico dos constituintes volÃteis das folhas e frutos de Myrcia sp., coletados no municÃpio de Amontada-CE em marÃo de 2005 e a obtenÃÃo de fraÃÃes e substÃncias provenientes do decocto das folhas frescas e do extrato etanÃlico das folhas secas de Cissus verticillata, bem como o estudo concomitante do seu potencial farmacolÃgico como hipoglicemiante atravÃs de testes realizados com a fraÃÃo solÃvel em metanol, fraÃÃo rica em tiramina e com a tiramina, obtidos de C. verticillata. Os Ãleos essenciais de Myrcea sp. foram analis

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Ito, Rosilene Kinue. "Avaliação da variação sazonal e atividade biológica dos óleos voláteis em duas espécies de Annonaceae." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/9/9138/tde-15092017-170729/.

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Nesse estudo, foram avaliados os óleos voláteis de Porcelia macrocarpa (Warm) R. E. Fries e Rollinia sericea (R. E. Fries) R. E. Fries com relação a sua composição ao longo das estações anuais e sua atividade antimicrobiana e anticolinesterase. Entre os componentes majoritários foram identificados apenas sesquiterpenos em ambas as espécies, bicicloelemeno (7%), biciclogermacreno (10%), germacreno-D (15%) e espatulenol (15%) para a P. macrocarpa e, α-muurolol (5%), Z-nerolidol (6%), bicicloelemeno (7%), germacreno-D (10%), biciclogermacreno (10%), β-cariofileno (11 %) e β-elemeno

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De, Rapper Stephanie. "Synergistic interactions of lavender essential oil." Thesis, 2014.

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Thesis (M.Pharm.)--University of the Witwatersrand, Faculty of Health Sciences, 2013.<br>Essential oils are not only used singularly but have been used in combination for many years. There is, however, very little scientific evidence to support the claims made for combined antimicrobial efficacy. With this in mind, a study was designed to investigate the antimicrobial activity of Lavender (Lavandula angustifolia) essential oil, in combination with other essential oils with antimicrobial relevance. The micro-dilution minimum inhibitory concentration (MIC) assay was undertaken, whereby the frac

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Books on the topic "Essential (volatile) oil"

Clemons, Jennifer L. Lavender essential oil: Clinical applications. NCNM, 2007.

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Hay, Robert K. M., 1946- and Waterman Peter G, eds. Volatile oil crops: Their biology, biochemistry, and production. Longman Scientific & Technical, 1993.

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Anand, Akhila, ed. Essential oil bearing grasses: The genus Cymbopogon. CRC Press, 2009.

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Anand, Akhila, ed. Essential oil-bearing grasses: The genus Cymbopogon. CRC Press, 2010.

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Anand, Akhila, ed. Essential oil-bearing grasses: The genus Cymbopogon. CRC Press, 2009.

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Başer, K. H. C. Handbook of essential oils: Science, technology, and applications. Taylor & Francis, 2010.

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Başer, K. H. C. Handbook of essential oils: Science, technology, and applications. Taylor & Francis, 2010.

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Éva, Berendné Németh, ed. Caraway: The genus Carum. Harwood Academic Publishers, 1998.

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Liangfeng, Zhu, and Jia Liangzhi, eds. Aromatic plants and essential constituents. South China Institute of Botany, Chinese Academy of Sciences, 1995.

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Thormar, Halldor. Lipids and essential oils as antimicrobial agents. J. Wiley, 2011.

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Book chapters on the topic "Essential (volatile) oil"

EL-Keltawi, N. E., R. F. Abdou, and D. W. Bishay. "Comparative Studies on Growth and Volatile Oil Contents of Some Induced Mutants of Origanum Majorana." In Essential Oils and Aromatic Plants. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5137-2_21.

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Hanssen, H. P. "Sesquiterpenes and Other Volatile Metabolites from Liquid Cultures of Ceratocystis Populina (Ascomycota) — Essential Oil Compounds from Fungi." In Essential Oils and Aromatic Plants. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5137-2_18.

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de Souza, Alicia Ludymilla Cardoso, Chrystiaine Helena Campos de Matos, and Renan Campos e Silva. "Volatile Allelochemicals." In Essential Oils. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99476-1_11.

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Ludwiczuk, Agnieszka, and Yoshinori Asakawa. "Essential Oils and Volatiles in Bryophytes." In Handbook of Essential Oils. CRC Press, 2020. http://dx.doi.org/10.1201/9781351246460-21.

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Mali, Suraj Narayan, Srushti Tambe, Amit P. Pratap, and Jorddy Neves Cruz. "Molecular Modeling Approaches to Investigate Essential Oils (Volatile Compounds) Interacting with Molecular Targets." In Essential Oils. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99476-1_18.

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Tafurt-García, Geovanna, Elisa Valenzuela Vergara, Yulanderson Salguero Rodríguez, Rosa Amanda Alegría Macías, and Elena Stashenko. "Volatile Compounds in Piperaceae Collected in Arauca-Colombia Northeastern Region and Colombian-Venezuelan Plains." In Essential Oils. CRC Press, 2023. http://dx.doi.org/10.1201/9781003226345-2.

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El-Mohamedy, Riad Sedki Riad. "Plant Essential Oils for Controlling Plant Pathogenic Fungi." In Volatiles and Food Security. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5553-9_9.

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Deans, S. G. "Evaluation of Antimicrobial Activity of Essential (Volatile) Oils." In Essential Oils and Waxes. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84023-4_17.

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Dobson, H. E. M. "Analysis of Flower and Pollen Volatiles." In Essential Oils and Waxes. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84023-4_13.

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Berka-Zougali, Baya, Colette Besombes, Tamara Allaf, and Karim Allaf. "Extraction of Essential Oils and Volatile Molecules." In Food Engineering Series. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-8669-5_6.

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Conference papers on the topic "Essential (volatile) oil"

Maxwell, Stephen. "Implications of Re-Injection of Produced Water on Microbially Influenced Corrosion (MIC) in Offshore Water Injection Systems." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05549.

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Abstract Historically, pressure maintenance on many offshore oil production fields has been achieved by the injection of treated seawater. With increasing environmental awareness, however, a zero discharge policy is now becoming the norm and this requires the re-injection of produced water as a means of avoiding overboard dumping. Unfortunately, however, the mixing of seawater and produced water can result in several potential problem scenarios with regard to water quality, scaling tendency, injectivity losses and corrosion control. Microbiological activity is implicit in some of these problem

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Güzel, Yelda, Durmuş Alpaslan Kaya, and 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 pl

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Ciocirlan, Alexandru, Aculina Aricu, Lidia Lungu, Svetlana Blaja, Ion Dragalin, and Violeta Popescu. "Chemical compositions of volatile oil from local narcissus (Narcissus poeticus L.)." In Conferința științifică națională cu participare internațională "Integrare prin cercetare și inovare", dedicată Zilei Internaționale a Științei pentru Pace și Dezvoltare. Moldova State University, 2025. https://doi.org/10.59295/spd2024n.73.

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Species of the Narcissus genus are important sources of biologically active compounds frequently used in various fields. Concrete, absolute, extracts and essential oil obtained from Narcissus poeticus L. plants, due to their specific chemical composition, are unique ingredients for the perfumery industry in the development of luxury products and medicine. The chemical composition of the concrete obtained from local narcissus plants has been described previously. In this paper, the data regarding the extraction of absolute from concrete and its chemical composition are reported. As result of th

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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

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Lungu, Lidia, Svetlana Blaja, Violeta Popescu, Alexandru Ciocarlan, Ion Dragalin, and Aculina Aricu. "The dynamics of lavender and clary sage volatile oils adulteration on-air exposure." In Scientific seminar with international participation "New frontiers in natural product chemistry". Institute of Chemistry, Republic of Moldova, 2023. http://dx.doi.org/10.19261/nfnpc.2023.ab11.

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Industrially produced Lavender (Lavandula angustifolia L.) and Clary sage (Salvia sclarea Mill.) essential oils are frequently used as ingredients in aromatherapy, traditional medicine, perfumery and cosmetics [1]. The chemical composition of both fresh volatile oils is mainly determined by unsaturated sesquiterpenic hydrocarbons and their oxygenated derivatives, but the main constituents are linalool 1 (22-34%) and linalyl acetate 2 (34-62%). The quality of volatile oils depends a lot on the storage conditions. Their adulteration can be caused by autooxidation, especially of terpenic unsatura

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Stanković, Milan, Tatjana Marković, Nenad Zlatić, Gorica Đelić, and Biljana Bojović. "VARIJABILNOST SASTAVA ETARSKOG ULJA VRSTE COTINUS COGGYGRIA SCOP. (ANACARDIACEAE) SA TERITORIJE SRBIJE." In XXVII savetovanje o biotehnologiji. University of Kragujevac, Faculty of Agronomy, 2022. http://dx.doi.org/10.46793/sbt27.469s.

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The aim of this study is to determine the qualitative and quantitative variability of volatile constituents of leaf essential oils of Cotinus coggygria Scop., wild-growing at three different types of the substrate; calcareous (3), serpentinite (2) and sandy (1). The essential oil samples were hydrodistilled from fresh leaves of C. coggygria. The obtained results showed that the leaf essential oils from all populations (i.e. regardless of the substrate on which they spontaneously grew) are abundant in monoterpene hydrocarbons (95.7%). Populations from calcareous and serpentinite habitats synthe

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Miu, Lucretia, Rodica Roxana Constantinescu, Alpaslan Durmus Kaya, et al. "Aspects regarding the effectiveness of volatile oils of the Tanacetum vulgare kind in the conservation of heritage objects." 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.v.5.

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The paper refers to a composition with antifungal and antibacterial effect in order to test new materials for preserving heritage objects on collagen support with bactericidal/antifungal role, essential oils-based from Vetrice (Tanacetum vulgare, Compositae family), having antifungal and antibacterial properties. The biocidal effect of plant extracts is due to the presence of constituent agents, such as alcohols, ethers, phenols, aldehydes, ketones, which makes them extremely effective against a wide range of microbial strains. The essential oil was obtained by boiling the plants through conti

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Enab, Khaled, and Hamid Emami-Meybodi. "Impact of Reservoir Fluid and Injection Gas on Shales Huff-N-Puff Performance in the Presence of Diffusion, Sorption, and Hysteresis." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206194-ms.

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Abstract We assess the huff-n-puff performance in ultratight reservoirs (shales) by conducting large-scale numerical simulations for a wide range of reservoir fluid types (retrograde condensate, volatile oil, black oil) and different injection gases (CO2, C2H6, C3H8) by considering relative permeability hysteresis, diffusion, and sorption. A dual-porosity naturally fractured numerical compositional model is used that considers molecular diffusion and sorption to represent the flow mechanisms during the injection process. Killough's method, Langmuir's adsorption model, and Sigmund correlation a

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Tripon, Maria Roberta, Cristina Mirabela Gaspar, Mihaela Elisabeta Enea, Dorin Dumitru Camen, and Camelia Tulcan. "JAPANESE HONEYSUCKLE (LONICERA JAPONICA L.): A VALUABLE SOURCE OF ANTIOXIDANT AND ANTIBACTERIAL METABOLITES." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023v/6.2/s25.33.

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The use of natural products for healing purposes has gained great attention worldwide. Increased interest in certain plant products has been achieved mainly due to their ability to limit antibiotic resistance. Also, as the hypothesis that all biological processes at the cellular level are severely affected by the formation of free radicals has been confirmed, it is attempted to highlight some active principles in plants and their use as agents to counteract the oxidative process [1, 2]. This paper aims to demonstrate the antioxidant and antibacterial capacity of the alcoholic extracts from the

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Sharma, Akash, and Dan McDonald. "Best Practices for Building a Modern and Resilient Supply Chain Framework in the Oil and Gas Industry." In SPE Annual Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/215114-ms.

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Abstract The oil and gas industry operates in a complex and challenging environment with significant supply chain management risks. This paper aims to provide a comprehensive review of these risks and proposes strategies to create a best-in-class supply chain practice using Industry 4.0 technologies. With energy prices being highly volatile and the macroeconomic situation created by COVID-19, having a resilient and robust supply chain practice is essential for oil and gas operators. The paper emphasizes the need for the energy industry to shift its view of the supply chain from a tactical, rea

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Reports on the topic "Essential (volatile) oil"

Shulha, Oleksandr. English Lavender Essential Oil Laboratory Guidance Document. ABC-AHP-NCNPR Botanical Adulterants Prevention Program, 2023. http://dx.doi.org/10.59520/bapp.lgd/dhaf0609.

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Lavender oil obtained from the flowers of English lavender (Lavandula angustifolia Mill., Lamiaceae) is widely used in the production of fragrances, cosmetics, food, beverage products, and pharmaceuticals. The essential oil (EO) is used orally, by inhalation as a sleep aid, and can be applied topically for skin treatment. Adulteration of lavender oil is considered to be widespread due to high product demand and lower prices for chemically similar EOs and compounded fragrances. Some of the known adulterants are EOs from spike lavender (Lavandula latifolia Medik.) or lavandin (Lavandula × interm

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