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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Vetiver oil production correlates with early root growth
TL;DR: The results suggest that Vetiver essential oil production is closely related to the metabolism of plant roots, which is affected by changes in environmental temperatures.
Journal ArticleDOI
Volatile constituents of benzoin gums: Siam and Sumatra, part 2. Study of headspace sampling methods
Cécilia Castel,Xavier Fernandez,Louisette Lizzani-Cuvelier,André-Michel Loiseau,Christine Périchet,Claire Delbecque,François Jean Arnaudo +6 more
TL;DR: In this paper, the analysis of different grades of benzoin gums Siam and Sumatra has been carried out, which led to the identification of 58 compounds by GC-RI and GC-MS: 42 of them were characterized in Siam (grades 3 and 5) and 40 of them in Sumatra (grades B and D).
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Fumigant Toxicity of Essential Oils from Basil and Spearmint Against Two Major Pyralid Pests of Stored Products.
TL;DR: In this paper, the fumigant activity of essential oil vapors distilled from sweet basil Ocimum basilicum L. and spearmint Mentha spicata L. were tested against two major stored products pests Ephestia kuehniella (Zeller) and Plodia interpunctella (Hubner) (Lepidoptera: Pyralidae).
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The Essential Oil of Monarda didyma L. (Lamiaceae) Exerts Phytotoxic Activity in Vitro against Various Weed Seed.
TL;DR: The exposure of the employed weed seeds to M. didyma essential oil and thymol solution increased the level of hydrogen peroxide (H2O2) and malondialdehyde (MDA), markers of oxidative stress, in emerging 5-day-old rootlets.
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Essential oil composition of Achillea millefolium L. growing wild in Kashmir, India
TL;DR: The aerial parts from the flowering plants of Achillea millefolium L, on hydrodistillation gave 0.014% (v/w) of an oil on fresh weight basis as mentioned in this paper.
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.