2007•Chinese Journal of Natural MedicinesRequires access

Study on Extraction of Clove Bud by Supercritical Carbon Dioxide and GC-MS Analysis

Yuan Yu

Abstract

OBJECTIVE:To investigate the feasibility of extracting clove oil by SFE-CO2. METHODS: The optimum extraction conditions were determined. The separating potⅠconditions were firstly discussed. The quality evaluation was conducted. The chemical constituents of extracts of SFE-CO2 method and steam distillation method were compared and analyzed by GC-MS. RESULTS: The yield of SFE-CO2 method was 15% and the yield of distillation was 4%. The contents of clove oil by supercritical CO2 and distilled extraction were determined by GC-MS analysis, 11 and 8 kinds of compounds were identified selectively. CONCLUSION: The SFE-CO2 fluid extraction has higher efficiencies, which is supreme to traditional extraction.

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Key concepts: Steam distillation, Supercritical carbon dioxide, Extraction (chemistry), Chromatography, Chemistry, Supercritical fluid, Supercritical fluid extraction, Gas chromatography–mass spectrometry