Journal ArticleDOI
Gas chromatographic retention indices of monoterpenes and sesquiterpenes on methyl silicon and Carbowax 20M phases
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In this article, some 900 Kovats' indices of 400 individual compounds on methyl silicone (dimethyl polysiloxane) and/or Carbowax 20M liquid phases are summarized from the general literature.About:
This article is published in Journal of Chromatography A.The article was published on 1990-01-01. It has received 2118 citations till now. The article focuses on the topics: Kovats retention index.read more
Citations
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Volatile components of violet leaves
TL;DR: In this paper, the volatile components of violet leaves were extracted with 1,1,2-trichloro-1, 2,2, 2-trifluoroethane as well as hexane and analysed using GC, GC-MS and GC-FTIR.
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Modelling stochastic variability and uncertainty in aroma active compounds of PEF-treated peach nectar as a function of physical and sensory properties, and treatment time.
TL;DR: The most influential sensory predictor of the 28 MLR models was flavour, while the aroma compound most influential on the sensory properties of aftertaste, flavour, sweetness, and overall acceptance was octadecanoic acid.
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Evaluation of essential oil yield and chemical composition of eight lemongrass (Cymbopogon spp.) cultivars under Himalayan region
TL;DR: In this article, essential oil productivity and chemical compositions of the eight lemongrass cultivars from the Himalayan region were evaluated, and the results showed substantial variations in the essential oil compositions due to cultivars and season of harvest.
Journal ArticleDOI
Chemical Composition of the Bulgarian Sumac Oil
TL;DR: The composition of the essential oil of Cotinus coggygria Scop (Anacardiaceae) was analyzed by GC and GC/MS, and 19 components were identified, 14 of them found for the first time in this plant as discussed by the authors.
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Chemical composition and bioactivities of the essential oil from different organs of Ferula communis L. growing in Tunisia
Asma Nguir,Hajer Mabrouk,Wahiba Douki,Manel Ben Ismail,Hichem Ben Jannet,Guido Flamini,M’hamed Ali Hamza +6 more
TL;DR: In this paper, the essential oils obtained by hydrodistillation from the fresh flowers, leaves, stems, and roots of Ferula communis L., growing in Tunisia were analyzed by GC and GC/MS.
References
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A generalization of the retention index system including linear temperature programmed gas-liquid partition chromatography.
H. van Den Dool,P. Dec. Kratz +1 more
TL;DR: The equation given by Kovats for the calculation of the retention index in case of isothermal operation is transformed to a more general form to include also the case of linear temperature programmed operation and gives the same retention index for both ways of operation.
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Gas‐chromatographische Charakterisierung organischer Verbindungen. Teil 1: Retentionsindices aliphatischer Halogenide, Alkohole, Aldehyde und Ketone
TL;DR: In this article, a simple relation exists between the retention index of a compound on a non-polar stationary phase and its boiling point, which is defined as the ratio of the boiling point of the compound to its retention index.
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The identification of sesquiterpene hydrocarbons from gas-liquid chromatography retention data
TL;DR: In this article, the identification of sesquiterpenes by gas-liquid chromatography was evaluated, and the most reproducible form of GLC data was found to be the SESQUERPene data.