Relevant bibliographies by topics / Alkaloids and volatile oil

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Academic literature on the topic 'Alkaloids and volatile oil'

Author: Grafiati

Published: 5 June 2025

Last updated: 16 July 2025

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Journal articles on the topic "Alkaloids and volatile oil"

Hasan S. AL-Dhaher, Areej. "Effect of Some Plants Extracts on the Mortality of the 4th Larval Instar Mosquitoes Culex quinquefasciatus." Al-Qadisiyah Journal Of Pure Science 26, no. 2 (2021): 9–21. http://dx.doi.org/10.29350/qjps.2021.26.2.1291.

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In this study, the effect of water and alcoholic (ethanol) extracts of Caper Bush Capparis spinosa L., Cumine Cuminum cyminum L. , Black pepper Piper nigrum L., Sage Salvia sp. and Cat thyme Teucrium polium L. plants on the 4th instar larvae of Culex quinquefasciatus have been evaluated .The results showed that the water extract of P. nigrum had the highest effect on the larvae, with 48h LC50 155. 9 ppm followed by ethanol extracts of C. cyminum , C. spinosa and P. nigrum with 48h LC50 308.2 ,315.1and 791.4 ppm respectively. For all studied plants, the secondary compounds were identified. Alka

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Al-Ghazali, Linda H., Itlal Hakim Al-Masoody, Maha Hameed Ismael, and Nibras Al-Ibrahemi. "Effect of Alcohol Extract, Volatile Oil and Alkaloid Isolated from Capsicum frutescens L. Fruits on Candida albicans." IOP Conference Series: Earth and Environmental Science 1225, no. 1 (2023): 012075. http://dx.doi.org/10.1088/1755-1315/1225/1/012075.

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Abstract This study involved extracting the of alcohol extract, volatile oil and alkaloid isolated from Capsicum frutescens L. fruits on Candida albican,. It also involved test a phytochemical screen and determine the percentage yield of the alcohol extract, volatile oil and alkaloid, Capsicum annuum L. was collected from the Karbala City, that approximately 24 hours to extract using Soxhlet apparatus with 400 ml of Methanol Alcohol Solvent in a 1000 ml Flask, and evaporation by rotary evaporation 40C° for drying, and storage at 4C° until use, indicate results that Percentage yield of Alcohol

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Wu, Yingxue, Jing Liu, Shuai Kang, Zhong Dai, and Shuangcheng Ma. "Rapid Analysis of Aristolochic Acids and Aristolactams in Houttuyniae Herba by LC–MS/MS." Molecules 27, no. 24 (2022): 8969. http://dx.doi.org/10.3390/molecules27248969.

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Houttuyniae herba, the Saururaceae plant Houttuynia cordata Thunb., has multiple therapeutic effects, including clearing heat, eliminating toxins, reducing swelling, discharging pus, and relieving stagnation. It has a long history as an edible and medicinal plant in China. Phytochemical studies show that the main constituents include volatile oil, flavonoids, and alkaloids. Aristolactam is a major alkaloid with a structure similar to toxic aristolochic acids. However, there has been no systematic study on aristolochic acids and alkaloids in Houttuyniae herba. Therefore, in this study, an LC–MS

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Chen, Ling, Jia Hou, Wei Deng, and Guihua Jiang. "Quality comparison of traditional Chuanxiong produced in Dujiangyan City and Sichuan ProvinceC and Chuanxiong from other areas, based on analysis of volatile oil, total alkaloids and total ferulic acid contents." Tropical Journal of Pharmaceutical Research 19, no. 12 (2021): 2659–66. http://dx.doi.org/10.4314/tjpr.v19i12.26.

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Purpose: To compare the qualities of Chuanxiong from different production areas (authentic and traditional production areas in Dujiangyan, Sichuan Province) and other non-authentic production areas, as well as different germplasm sources, using a combination of methods. Methods: A fingerprint spectrum of volatile oils was established, and the qualities of the chuanxiong samples were compared using gas chromatography (GC), while gas chromatography-mass spectrometry (GC -MS) was used to analyze the chemical compositions of the volatile oils. Results: There were significant difference

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Gali, Lynda, and Fatiha Bedjou. "Antibacterial and Cytotoxic Effects of the Cultivated Ruta chalepensis." Current Bioactive Compounds 16, no. 5 (2020): 654–60. http://dx.doi.org/10.2174/1573407215666190207125643.

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Background: Ruta chalepensis is a shrub from the Mediterranean basin widely used in the traditional medicine. The plant presents an interesting composition containing alkaloids, coumarins and volatile oil. The present work aims to study the antibacterial and the cytotoxic effects of the ethanol extract, its fractions, and the alkaloid extract from the cultivated Ruta chalepensis. Methods: Extracts were tested against five bacterial strains using the agar well diffusion method and the broth micro-dilution technique for the determination of the Minimum Inhibitory Concentration (MIC). Brine shrim

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Aparna, K. R., Xavier Prasad Daniel, G. R. Prasobh, G. S. Surabhi, and Franco S. R. Ajai. "A review study on medicinal significance of convolvulus pluricaulis." i-manager's Journal on Chemical Sciences 3, no. 3 (2023): 28. http://dx.doi.org/10.26634/jchem.3.3.20470.

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Convolvulus pluricaulis, sometimes referred to as Shankhpushpi, Bindweed, or morning glory, belongs to the genus Convolvulus in the family Convolvulaceae. This review focuses on the different chemical components extracted from Shankhpushpi, such as Carbohydrates, proteins, volatile oil, fixed oil, phenolic components, glycosides, steroids, etc. The chief constituents include alkaloids such as convolvine, convolamine, phyllabine, confoline, convoline, subhirsine, convosine, and convolidine. Ethnobotanical surveys reveal that Indian and Chinese medicine utilize the whole herb to treat a variety

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Barros, Letícia F. L., Carlos Augusto Ehrenfried, Dilamara Riva, Andersson Barison, Renato de Mello-Silva, and Maria Elida A. Stefanello. "Essential Oil and other Constituents from Magnolia Ovata Fruit." Natural Product Communications 7, no. 10 (2012): 1934578X1200701. http://dx.doi.org/10.1177/1934578x1200701030.

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The volatile and non-volatile constituents of the unripe fruits of Magnolia ovata(A. St.-Hil.) Spreng. (Magnoliaceae) were studied. The essential oils were obtained by hydrodistillation of the fruit of two plant populations (A and B) and analyzed by GC/FID and GC/MS. The oil of sample A was rich in sesquiterpenes, mainly spathulenol (19.3%), while the oil of sample B showed a predominance of aliphatic compounds, mainly hexadecanoic acid (52.0%). Extracts of the dried fruit contained fourteen known compounds including nine lignoids (magnovatin A, magnovatin B, acuminatin, licarin A, oleiferin A

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Ernis, Gustria, Doni Notriawan, Dyah Fitriani, Elvira Yunita, and Inta Cantika. "Uji In Vitro Aktivitas Imunomodulator Minyak Atsiri Serai Dapur (Cymbopogon citratus) terhadap Proliferasi Sel Limfosit Mencit." BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains 4, no. 2 (2021): 129–35. http://dx.doi.org/10.31539/bioedusains.v4i2.2524.

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This study aims to determine the immunomodulatory activity of lemongrass essential oil on the proliferation of mouse lymphocyte cells in vitro. The method used is steam distillation to obtain citronella essential oil. Isolation of lymphocyte cells was obtained from the spleen organ of Swiss-Webster strain mice which was carried out aseptically. The lymphocyte cell proliferation test was carried out using the MTT Assay method and the absorbance was measured using an ELISA reader at 550 nm. The results showed that the lemongrass essential oil contained positive alkaloids, flavonoids, saponins, a

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Yogendra, Naraganahalli Dasappa, Rajesh Ravi Kumara, Thankaswamy Arul Prakash, et al. "Artemisia pallens Wall. ex. DC: A comprehensive review." Journal of Herbmed Pharmacology 13, no. 4 (2024): 501–22. http://dx.doi.org/10.34172/jhp.2024.51511.

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Davana (Artemisia pallens Wall. ex DC) is a well-known and precious essential oil-bearing plant under the family Compositae (Asteraceae). It is an erectly grown herbaceous plant exclusively cultivated as a short-term crop in south India during winter. It is distributed in the northern hemisphere in subtropical Africa, South Africa, West America, and South America; however, it is indigenous to southern India. The yearly productivity of davana oil typically falls between 8 to 10 tones. Davana oil is mainly used to flavor pastries, cakes, tobacco, and some beverages. It consists of diverse phyto-

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Gholami, T., M. Peyvandi, H. Abbaspour, Z. Noormohammadi, and F. Sharifnia. "Chemical Analysis of Population Variability in Peganum Harmala (var. Harmala)." Acta Botanica Hungaricae 62, no. 3-4 (2020): 205–15. http://dx.doi.org/10.1556/034.62.2020.3-4.1.

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Both the primary and secondary metabolisms of higher plants are influenced by environmental conditions. Peganum harmala L. synthesise amazing diversity of secondary metabolites, such as alkaloids, volatile oils, triterpenes or sterols. We have no detailed information on genetic chemical contents and particularly the fatty acid contents of this plant species in Iran. Therefore, population-based fatty acid and alkaloid analyses were conducted in four geographical populations. Seeds fatty acid analysis revealed linoleic acid, oleic acid and palmitic acid were the main components in seeds oil. The

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Dissertations / Theses on the topic "Alkaloids and volatile oil"

Siqueira, Carlos Alberto Theodoro. "Aspectos químicos e atividade antiprotozoária in vitro de Annona coriacea Mart. (Annonaceae)." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/9/9138/tde-31012011-140840/.

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Estudos anteriores dos alcalóides totais (AT) de Annona coriacea Mart. (Annonaceae) revelaram atividade antiprotozoária promissora. No presente trabalho, realizou-se o fracionamento biomonitorado dos AT de folha e selecionaram-se duas frações ativas (100% morte), frente às formas promastigotas de Leishmania (L.) chagasi in vitro, para a caracterização dos alcalóides, por CG-EM. Os AT bioativos de caule (100% morte) foram analisados sem fracionamento prévio. Em paralelo, efetuou-se amostragem de três exemplares de A. coriacea, analisados em conjunto, para o acompanhamento da variação do rendime

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Hohlemwerger, Sandra Virgínia Alves. "Metabolismo e atividades biológicas de espécies de zanthoxylum do Brasil." Instituto de Química, 2010. http://repositorio.ufba.br/ri/handle/ri/20247.

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Submitted by Ana Hilda Fonseca (anahilda@ufba.br) on 2016-09-01T17:22:47Z No. of bitstreams: 1 Tese Sandra Virginia A. Hohlemwerger.pdf: 5499646 bytes, checksum: 10ad62e0bf160a9a5e0326cba05adb7f (MD5)<br>Approved for entry into archive by Vanessa Reis (vanessa.jamile@ufba.br) on 2016-09-02T16:27:00Z (GMT) No. of bitstreams: 1 Tese Sandra Virginia A. Hohlemwerger.pdf: 5499646 bytes, checksum: 10ad62e0bf160a9a5e0326cba05adb7f (MD5)<br>Made available in DSpace on 2016-09-02T16:27:00Z (GMT). No. of bitstreams: 1 Tese Sandra Virginia A. Hohlemwerger.pdf: 5499646 bytes, checksum: 10ad62e0bf160a9

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Sanni, Moshood Olajide. "Well test analysis in volatile oil reservoirs." Thesis, Imperial College London, 2008. http://hdl.handle.net/10044/1/8716.

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This thesis discusses characterization of volatile oil reservoirs using well test analysis. For this purpose, typical well test behaviours were simulated with a one-dimensional single well compositional reservoir model, for different production rates; fluid composition and relative permeability curves, with bottomhole pressures above and below the bubble point pressure. It was found that, when the bottomhole pressure falls below the bubble point pressure during a drawdown, a high gas saturation zone is created around the wellbore with two-phase (oil and gas) flow, whereas single phase (oil) wi

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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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Sepcic, Kelly Hall. "Quantification of volatile compounds in degraded engine oil." Diss., Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04072004-180212/unrestricted/sepcic%5Fkelly%5Fh%5F200312%5Fphd.pdf.

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Purnomo, Hadi. "Inflow performance relationship for gas condensate and volatile oil wells." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.300786.

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Yeh, Ju-Ching Cindy. "Anti-angiogenic activities of the volatile oil of Angelica sinensis." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611482.

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Braimoh, Lucky Anderson. "Leadership Strategies for Maintaining Profitability in a Volatile Crude Oil Market." ScholarWorks, 2017. https://scholarworks.waldenu.edu/dissertations/3866.

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Volatile crude oil prices significantly affect the profitability of crude oil firms. The purpose of this single case study was to explore strategies some crude oil and gas business leaders used to remain profitable during periods of crude oil price volatility. The target population comprised 8 crude oil and gas business leaders located in Calgary, Canada, whose company remained profitable despite crude oil price volatility. The transformational leadership theory formed the conceptual framework for the study. Data were collected through the use of semistructured face-to-face interviews, company

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Tokode, Oluwatosin. "Photocatalytic destruction of volatile organic compounds from the oil and gas industry." Thesis, Robert Gordon University, 2014. http://hdl.handle.net/10059/1134.

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Heterogeneous photocatalysis is an advanced oxidation technology widely applied in environmental remediation processes. It is a relatively safe and affordable technology with a low impact on the environment and has found applications in a number of fields from chemical engineering, construction and microbiology to medicine. It is not catalysis in the real sense of the word as the photons which initiate the desired photocatalytic reaction are consumed in the process. The cost of these photons is by far the limiting economic factor in its application. From a technical standpoint, the inefficient

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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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Books on the topic "Alkaloids and volatile oil"

H, Van Sandt James, and United States. Environmental Protection Agency. Office of Air Quality Planning and Standards, eds. Oil field emissions of volatile organic compounds. U. S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards, 1989.

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

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American Petroleum Institute. Industry Services Dept. and Radian Corporation, eds. Review of air toxics emission calculations from storage tanks (phase I) ; Air toxic emissions calculation validation program: Analysis of crude oil and refined product samples and comparison of vapor composition to model predictions (phase II). American Petroleum Institute, 1992.

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Cussion, Sylvia. Volatile organic parameters in reagent water and oil and grease in reagent water and effluent: Report. Ontario, Environment, 1990.

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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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Yépez-Garcia, Rigoberto Ariel. Mitigating vulnerability to high and volatile oil prices: Power sector experience in Latin America and the Caribbean. World Bank, 2012.

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

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Book chapters on the topic "Alkaloids and volatile oil"

Bährle-Rapp, Marina. "volatile oil." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_11090.

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Morales, Maria Teresa, and Maria Tsimidou. "The Role of Volatile Compounds and Polyphenols in Olive Oil Sensory Quality." In Handbook of Olive Oil. Springer US, 2000. http://dx.doi.org/10.1007/978-1-4757-5371-4_12.

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Chen, Chu-Chin, and Chi-Tang Ho. "Volatile Compounds in Ginger Oil Generated by Thermal Treatment." In ACS Symposium Series. American Chemical Society, 1989. http://dx.doi.org/10.1021/bk-1989-0409.ch034.

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Bai, Jing-ru, Qing Wang, Ling-wen Kong, and Zhang Bai. "Volatile Characteristic of Trace Elements During Microwave Pyrolysis of Oil Shale." In Cleaner Combustion and Sustainable World. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30445-3_33.

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Sun, Meng, Wen-qi Zhao, Lun Zhao, et al. "Influences of Fracture Development of Carbonate Reservoirs with Weakly Volatile Oil on Production Performance of Oil Wells." In Springer Series in Geomechanics and Geoengineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2485-1_122.

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Xu, Yun, Yiming Wang, Jingzhu Wu, and Shiping Zhu. "Detection Of Volatile Oil Content Of Single-Grainzanthoxylum Seed Based on Nir." In Computer and Computing Technologies in Agriculture II, Volume 3. Springer US, 2009. http://dx.doi.org/10.1007/978-1-4419-0213-9_64.

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van Ruth, Saskia M., and Jacques P. Roozen. "Release of Volatile Oxidation Products from Sunflower Oil and Its Oil-in-Water Emulsion in a Model Mouth System." In ACS Symposium Series. American Chemical Society, 2000. http://dx.doi.org/10.1021/bk-2000-0763.ch025.

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Oueslati, Imen, Hédia Manai, Gidou Flamini, and Mokhtar Zarrouk. "Effect of the Ripening Stage on the Volatile Composition of Chétoui Virgin Olive Oil." In Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-70548-4_409.

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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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Conference papers on the topic "Alkaloids and volatile oil"

Whited, Tim, Xianming (Andy) Yu, and Robin Tems. "Mitigating Soil-Side Corrosion on Crude Oil Tank Bottoms Using Volatile Corrosion Inhibitors." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02242.

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Abstract Soil-side corrosion of the bottom plates of above ground crude oil storage tanks is a major corrosion challenge in the oil and gas industry, especially when these tanks are constructed on oiled-sand pads. Severe corrosion has been identified on tank bottoms at a crude oil tank farm in the Arabian Peninsula. Corrosion led to the costly replacement of bottom plates. The soil-side surfaces of the bottom plates were designed to be protected by a shallow anode impressed current cathodic protection (CP) system. The oily sand layer and air gaps under the bottom plates reduced CP effectivenes

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Wulterkens, John, Sen Kang, and Casey Heurung. "Corrosion Protection in Oil System with Water Ingress by Use of Volatile Corrosion Inhibitors (VCI)." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-12905.

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Abstract Volatile corrosion inhibitors (VCI) are commonly used in various oil systems to prevent corrosion during preservation and in intermittent operation. However, water ingress still introduces risk of corrosion when water separates and pools at the bottom of these systems. Traditional corrosion inhibitors used in lubricating oils provide good corrosion protection in the oil-phase, but cannot offer protection beneath the oil-water phase line due to their typical, hydrophobic nature. It has been determined that the use of proper organic VCIs (which also offer protection in the vapor phase a

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He, Chunlan, Jiating Huang, Renjie Kuang, Zhao Yang, and Jiaxin Dong. "Analysis of volatile oil components in Cimicifugae rhizoma from different regions by HS-SPME-GC-MS." In 5th International Conference on Mechanical Engineering and Materials (ICMEM 2024), edited by Jinyang Xu and Gupta Manoj. SPIE, 2025. https://doi.org/10.1117/12.3060385.

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Mose, Janko, Franjo Holcer, Zdenko Culig, Samie Lafte, Milivoj Ivanusic, and Boris A. Miksic. "Volatile Corrosion Inhibitors Used for Conservation of Refinery Equipment and Facilities." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96608.

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Abstract This paper describes the implementation of volatile corrosion inhibitors and migratory corrosion inhibitors for preservation and protection within the oil refineries. The effectiveness of protection for plants at a standstill is well documented by the results, which is of great importance due to a high cost of refinery equipment.

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Kharshan, Margarita, and Alla Furman. "Incorporating Vapor Corrosion Inhibitors (VCIS) in Oil and Gas Pipeline Additive Formulations." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98236.

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Abstract Two new oil and gas pipeline additives were formulated utilizing volatile corrosion inhibitors (VCIs). These products provide a very high level of protection for steel subjected to different types of corrosive petrochemicals due to surface adsorption and vapor phase action environments. The formulation work was based on fatty acid imidazoline chemistry combined with different organic acids. Different surfactants were used to provide maximum wetting properties to the inhibitor and faster transport of inhibitor from the oil or gas phase to the water. Vapor corrosion inhibitors were intr

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El-Banbi, Ahmed H., and William D. McCain. "Sampling Volatile Oil Wells." In SPE Production and Operations Symposium. Society of Petroleum Engineers, 2001. http://dx.doi.org/10.2118/67232-ms.

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Sanni, Moshood Olajide, and Alain C. Gringarten. "Well Test Analysis in Volatile Oil Reservoirs." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2008. http://dx.doi.org/10.2118/116239-ms.

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Makinde, Ibukun, and W. John Lee. "Production Forecasting in Shale Volatile Oil Reservoirs." In SPE/IAEE Hydrocarbon Economics and Evaluation Symposium. Society of Petroleum Engineers, 2016. http://dx.doi.org/10.2118/179965-ms.

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Luo, Le, and John Lee. "Rate Transient Analysis in Unconventional Volatile Oil Reservoirs." In Unconventional Resources Technology Conference. American Association of Petroleum Geologists, 2020. http://dx.doi.org/10.15530/urtec-2020-2501.

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El-Banbi, Ahmed Hamdi, Khaled Abdel Fattah, and Helmy Sayyouh. "New Modified Black-Oil PVT Correlations for Gas Condensate and Volatile Oil Fluids." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2006. http://dx.doi.org/10.2118/102240-ms.

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Reports on the topic "Alkaloids and volatile oil"

Sikes, A., T. Yang, M. Richardson, and R. Ehioba. Antifungal Activity of Volatile Oil of Mustard (VOM). Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada430743.

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Phillips, David. Oil and gas make Scotland’s underlying public finances particularly volatile and uncertain. The IFS, 2024. http://dx.doi.org/10.1920/co.ifs.2024.0015.

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Dudareva, Natalia, Alexander Vainstein, Eran Pichersky, and David Weiss. Integrating biochemical and genomic approaches to elucidate C6-C2 volatile production: improvement of floral scent and fruit aroma. United States Department of Agriculture, 2007. http://dx.doi.org/10.32747/2007.7696514.bard.

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The specific objectives of approved proposal include to: 1. Elucidate the C6-C2 biochemical pathways leading to the biosynthesis of phenylacetaldehyde, phenylethyl alcohol and phenylethyl acetate in floral tissues of ornamentally important plants, pefunia and roses. 2. Isolate and characterrze genes responsible for the production of these C6-C2 compounds and those involved in the regulation of the pathway using genomic and transcriptomic tools. 3. Determine whether altering the expression of key genes of this pathway can result in changing the aroma characteristics of flowers. Aldehydes are in

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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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Christensen, Earl, Jack Ferrell, Mariefel V. Olarte, and Asanga B. Padmaperuma. Quantification of Semi-Volatile Oxygenated Components of Pyrolysis Bio-Oil by Gas Chromatography/Mass Spectrometry (GC/MS). Laboratory Analytical Procedure (LAP). Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1241093.

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Perry, Guillermo, and Sebastián Bustos. The Effects of Oil and Mineral Taxation on Non-commodity Fiscal Revenues. Inter-American Development Bank, 2012. http://dx.doi.org/10.18235/0011408.

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This paper shows, first, that non-commodity revenues are more volatile in oil- and mineral-rich countries and that quality of institutions is associated with lower volatility. We investigate the channels through which oil and mineral revenue volatility lead to non-commodity revenues volatility, and find that when oil and fiscal revenues increase (decrease), non-commodity revenues are reduced (increased) discretionally, and that this substitution effect is larger and faster than an indirect positive income effect through increased public expenditures and GDP. Latin American oil- and mineral-ric

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Droby, S., J. L. Norelli, M. E. Wisniewski, S. Freilich, A. Faigenboim, and C. Dardick. Microbial networks on harvested apples and the design of antagonistic consortia to control postharvest pathogens. United States-Israel Binational Agricultural Research and Development Fund, 2020. http://dx.doi.org/10.32747/2020.8134164.bard.

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We have demonstrated, at a global level, the existence of spatial variation in the fungal and bacterial composition of different fruit tissues. The composition, diversity and abundance varied in fruit harvested in different geographical locations and suggests a potential link between location and the type and rate of postharvest diseases that develop in each country. The global core microbiome of apple fruit was determined and found to be represented by several beneficial microbial taxa and accounted for a large fraction of the fruit microbial community. To further characterize apple fruit the

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Penfold, Michael, Francisco Monaldi, Richard Obuchi, and Rosa Amelia González de Pacheco. Political Institutions, Policymaking Processes, and Policy Outcomes in Venezuela. Inter-American Development Bank, 2006. http://dx.doi.org/10.18235/0011294.

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This case study of Venezuela's democratic institution and policymaking processes is part of the broader regional project based on the theoretical framework developed by Spiller, Stein and Tommasi (2003). The framework focuses on the conditions that foster political cooperation among political actors to sustain inter-temporal policy commitments. The study shows that the political institutions that established Venezuela's democracy in the 1960s were deliberately set up to generate a cooperative equilibrium with low stakes of power, resulting in a relatively effective policymaking process and goo

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Khodair, Yasser, Muddassir Ahmed, Vinay Perala, and Mohammed Shareef. Anti-Graffiti Protection Systems. Illinois Center for Transportation, 2024. http://dx.doi.org/10.36501/0197-9191/24-022.

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Anti-graffiti coatings provide a shielding layer that facilitates the removal of graffiti by providing a water-and oil-resistant surface that precludes the penetration of paint through the substrate. The main objective of this research is to provide the Illinois Department of Transportation (IDOT) with recommendations on the re-evaluation of the existing moratorium on anti-graffiti protection systems and the best practices of their usage. A survey of the state of the practice on anti-graffiti protection systems that targeted the North Central States Consortium for Midwest state departments of

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Droby, Samir, Tim R. Gottwald, Richard Stange, Efraim Lewinsohn, and T. Gregory McCollum. Characterization of the biochemical basis of host specificity of Penicillium digitatum and Penicillium italicum on citrus fruit. United States Department of Agriculture, 2008. http://dx.doi.org/10.32747/2008.7587726.bard.

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l. This research demonstrates that citrus fruit volatiles play an important role in host recognition by P. digitatum and P. italicum. 2. Volatiles derived from non-host fruits and vegetables (apple, pear, tomato, pepper, strawberry and avocado) had no effect on promotion of spore germination and growth of citrus pathogens. 3. Citrus volatiles have a specific stimulatory effect solely on P. digitatum and P. italicum. Non-citrus pathogens such as P. expansum and B. cinerea not affected orinhibited by the volatile materials. The specific stimulatory effect of fruit peelvolatiles on citrus pathoge

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