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[Supercritical-CO2 fluid extraction of the fatty oil in Terminalia chebula and GC-MS analysis].

X. Zhang, C Chen, Shuai He, Fahuan Ge

Abstract

The fatty oils in Terminulia chebula were extracted by supercritical-CO2 fluid extraetion, and their fatty acids and its relative contents were determined by GC-MS. 12 fatty acids were identified. Palmitic acid, linoleic acid and oleic acid of them are main constituents. Compared with petroleum ether extraction method, the extraction rate from SFE-CO2 is higher and extraction time shorter.

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Key concepts: Terminalia chebula, Chemistry, Supercritical fluid, Chromatography, Extraction (chemistry), Palmitic acid, Supercritical fluid extraction, Oleic acid