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Relevant bibliographies by topics / Clevenger apparatus

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Journal articles

Academic literature on the topic 'Clevenger apparatus'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "Clevenger apparatus"

1

Wesołowska, Aneta, Monika Grzeszczuk, and Dorota Jadczak. "Comparison of chemical compositions of essential oils isolated by hydrodistillation from wild thyme (Thymus serpyllum L.) with use of Deryng and Clevenger apparatus." Herba Polonica 60, no. 2 (2014): 7–17. http://dx.doi.org/10.2478/hepo-2014-0006.

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Abstract The aim of the studies conducted in 2012-2013 was to compare the chemical composition of essential oils isolated from wild thyme (Thymus serpyllum L.) by hydrodistillation in Deryng and Clevenger apparatus. GC-MS analysis of the isolated oils revealed that carvacrol (42.81-45.24%), γ-terpinene (7.68-9.04%), β-caryophyllene (5.28-9.10%), β-bisabolene (5.76-6.91%) and carvacrol methyl ether (4.92-6.09%) were the major components of all the samples. On the basis of the obtained data it was proved that the type of distillation apparatus had no significant effect on the content of the main

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2

Périno, Sandrine, Zoubida Chemat-Djenni, Emmanuel Petitcolas, Christian Giniès, and Farid Chemat. "Downscaling of Industrial Turbo-Distillation to Laboratory Turbo-Clevenger for Extraction of Essential Oils. Application of Concepts of Green Analytical Chemistry." Molecules 24, no. 15 (2019): 2734. http://dx.doi.org/10.3390/molecules24152734.

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In the effort of innovation towards green analytical chemistry concepts and considering the six principles of green extraction, the industrial turbodistillation process was downscaled into a laboratory apparatus turbo-Clevenger (TC) for the extraction of essential oils. Turbodistillation is used as an industrial purpose for the extraction of essential oils from hard matrixes such as wood, barks, seeds. In this work, a TC and the conventional technique of hydrodistillation (HD, Clevenger apparatus) are used for the extraction of essential oils from three spices with hard structures (Illicium ve

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3

Ferhat, Mohamed A., Brahim Y. Meklati, Jacqueline Smadja, and Farid Chemat. "An improved microwave Clevenger apparatus for distillation of essential oils from orange peel." Journal of Chromatography A 1112, no. 1-2 (2006): 121–26. http://dx.doi.org/10.1016/j.chroma.2005.12.030.

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4

Wang, Fa Song, Yun He Li, Dong Hai Huang, and Jia Gui Xiang. "Chemical Composition of the Root Bark Oil of Litsea mollis from China." Advanced Materials Research 997 (August 2014): 132–35. http://dx.doi.org/10.4028/www.scientific.net/amr.997.132.

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The essential oil from the Root Bark of Litsea mollis was isolated using hydrodistillation in a Clevenger-type apparatus, and characterized by gas chromatography–mass spectrometry (GC-MS). A total of 31 compounds were identified, representing 95.22% of the oil. The main components identified were (R)-citronellal (39.9%), (R)-citronellol (13.63%), (Z)-citral (11.5%) and β-caryophyllene (5.78%).

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5

Capetanos, Chrysostomos, Vasiliki Saroglou, Petar Marin, Ana Simic, and Helen Skaltsa. "Essential oil analysis of two endemic Eryngium species from Serbia." Journal of the Serbian Chemical Society 72, no. 10 (2007): 961–65. http://dx.doi.org/10.2298/jsc0710961c.

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The volatile composition of two Eryngium species was studied. The essential oils were obtained by hydrodistillation in a modified Clevenger-type apparatus, and their analyses were performed by GC and GC-MS. A total of 58 different compounds were identified. Their main constituents were as follows: E. serbicum: germacrene D (19.7 %), ?-elemene (10.0 %) and spathulenol (6.9 %); E. palmatum: sesquicineole (21.3 %), caryophyllene oxide (16.0 %), spathulenol (16.0 %) and sabinene (5.5 %). The main portion in both studied taxa consisted of sesquiterpenes. .

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6

Huang, Dong Hai, Fa Song Wang, Yun He Li, and Jia Gui Xiang. "Chemical Composition of the Twig Oil of Litsea mollis from China." Advanced Materials Research 997 (August 2014): 136–39. http://dx.doi.org/10.4028/www.scientific.net/amr.997.136.

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The essential oil from the twig of Litsea mollis was isolated using hydrodistillation in a Clevenger-type apparatus, and characterized by gas chromatography–mass spectrometry (GC-MS). A total of 39 compounds were identified, representing 89.27% of the oil. Among the twig oil compounds, oxygenated monoterpenes (39.06%) and sesquiterpene hydrocarbons (36.62%) were predominant (75.68% in total). Among the oxygenated monoterpenes, eucalyptol (9.9%), (R)-citronellol (7.23%), (R)-citronellal (7.0%), and (Z)-citral (5.03%) were the major compounds. Of the sesquiterpene hydrocarbons, β-caryophyllene (

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7

Rama, M., and B. Syama Sundar. "Seasonal Variation of Essential Oils Composition of A Medicinal Plant - Ocimum sanctum (Purple)." Asian Journal of Organic & Medicinal Chemistry 4, no. 1 (2019): 20–22. http://dx.doi.org/10.14233/ajomc.2019.ajomc-p165.

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The present study deals with the extraction of total essential oils from medicinal plant Ocimum sanctum (Purple) in four different seasons of 2010 calendar year. Extraction of total essential oil content of plant materials was carried out by Soxhlet extraction whereas extraction of volatile oils by steam distillation using Clevenger type apparatus. Total essential oil and volatile oils are more in winter season (November month) whereas very less quantity in summer season (May month). Eugenol is the major constituent present in the plant. The percentage composition of eugenol in four seasons wa

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8

Teyeb, Hassen, Sami Zouari, Wahiba Douki, Mohamed Fadhel Najjar, and Mohamed Neffati. "Variation in Volatiles of Astragalus gombiformis Pomel." Zeitschrift für Naturforschung C 66, no. 1-2 (2011): 1–6. http://dx.doi.org/10.1515/znc-2011-1-201.

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The essential oils obtained by hydrodistillation (Clevenger apparatus) from aerial parts of Astragalus gombiformis were analysed by gas chromatography coupled with mass spectrometry (GC/MS). This study showed that the A. gombiformis essential oils are complex mixtures of important natural compounds, which varied qualitatively and quantitatively between cultivated and wild plants and between phenological stages of development. All analysed oils are characterized by the constant presence of phytol, 6,10,14-trimethyl-2-pentadecanone, 4-terpineol, and γ-terpinene. This study is the fi rst report o

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9

Su, Yu-Chang, and Chen-Lung Ho. "Composition and in-vitro CytotoxicActivities of the Leaf Essential Oil of Beilschmiedia erythrophloia from Taiwan." Natural Product Communications 8, no. 1 (2013): 1934578X1300800. http://dx.doi.org/10.1177/1934578x1300800135.

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This study investigated the chemical composition and in-vitro cytotoxic activities of the essential oil isolated from the leaf of Beilschmiedia erythrophloia. The essential oil was isolated using hydrodistillation in a Clevenger-type apparatus, and characterized by GC-FID and GC-MS. Fifty-five compounds were identified, representing 100% of the oil. The main components identified were β-caryophyllene (22.6%), α-humulene (21.9%), terpinen-4-ol (5.3%), cis-β-ocimene (5.1%), sabinene (5.0%) and limonene (4.5%). The anticancer activities of oil were evaluated. The results showed that the oil exhib

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10

Feltrin, Fabiula Marta, Luciana Gibbert, Nayana Cristina da Silva Santos, et al. "Extraction and identification of essential oil components from the leaves of Syzygium malaccense (L.) MERR. & L.M. PERRY, MYRTACEAE." Ciência e Natura 42 (May 11, 2020): e6. http://dx.doi.org/10.5902/2179460x41392.

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Popularly known as red jamb, the species Syzygium malaccense (L.) Merr. L.M. Perry is an Asian tree from India, Malaysia, Vietnam and Thailand that has adapted to the climate and soil of the North, Northeast and Southeast of Brazil. The antioxidant and anti-inflammatory activities of this species have already been cited in the literature. This study aimed to extract and identify the essential oil constituents of the leaves of this species. The leaves were dried and ground; and the essential oil was extracted by Clevenger apparatus. The essential oil presented yield of 0.03%, containing monoter

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