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Acta Botanica Gallica
Botany Letters
Volume 155, 2008 - Issue 3
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Original Articles

Nouvelles perspectives industrielles pour les hydrolats

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Pages 367-373 | Received 05 Jul 2007, Accepted 21 Nov 2007, Published online: 26 Apr 2013
 

Abstract

Hydrolats have the same pharmacological activities as essential oils, but more attenuated, because of lower concentrations in terpenoids. GC—MS was used in the chemical composition determination of four hydrolats: lavender (linalool, linalyl acetate), thyme (p-cymene, thymol), hydrolat of rosemary batch 1 (α-pinene, 1–8 cineole, linalool, camphor, linalyl acetate), hydrolat of rosemary batch 2 (1–8 cineole, linalool traces, camphor, borneol, α-terpineol, verbenone). Centesimal composition of each terpen was obtained by internal normalisation, concentration of each terpen was obtained by the use of internal standard method.

Résumé

Les hydrolats ont les mêmes propriétés pharmacologiques que les huiles essentielles mais plus atténuées à cause des concentrations plus faibles en composés terpéniques. La CPG—SM a été utilisée pour déterminer la composition chimique de quatre hydrolats: lavande (linalol, acétate de linalyle), thym (p-cymène, thymol), hydrolat de romarin lot 1 (α-pinène, 1–8 cinéole, linalol, camphre, acétate de linalyle), hydrolat de romarin lot 2 (1–8 cinéole, traces de linalol, camphre, bornéol, α-terpinéol, verbénone). Le dosage par normalisation interne permet d'obtenir la composition centésimale de chaque terpène, celui par la méthode à l'étalon interne, la concentration de chaque terpène dans l'hydrolat.

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