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Extraction Technology of Clove Volatile Oil and Its Chemical Composition Analysis

作者：

FU Zhen-xi;Jianqing Wang;Jin ZhengWei;Zhilin Yan

单位：

Technology, Tianjin 300222, Chin;Technology, Tianjin 300222, China

关键词：

volatile oil;clove;caryophyllene;isoeugenol;eugenol;extraction techniqu

摘要：

In order to optimize the extraction of volatile oil from cloves and provide a basis for modification of production processes, the extraction technology by ultrasonic method with the orthogonal experiments L9 (34) is conducted and the yield rate of volatile oil is used as an index. As a result, the extraction rate is up to 9% under this condition (i.e., ratio of solid-liquid, 1∶20; extraction time, 90 min; ethanol concentration, 75%; extraction temperature, 65 ℃). With GC-MS extraction technique, the components of clove volatile oil are isolated and 21 kinds are identified, accounting for 99.867% of total volatile oil, in which the contents of eugenol, isoeugenol and caryophyllene are 65.710%, 19.920% and 9.332%, respectively. Therefore, the main components of clove volatile oil by assisted-ultrasonic extraction technique are eugenol, isoeugenol and caryophyllene and this method to extract volatile oil from clove is much easier and more practical to operate.

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Extraction Technology of Clove Volatile Oil and Its Chemical Composition Analysis

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