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采用超临界CO2流体萃取从沙姜中提取沙姜精油,然后使用分子蒸馏进行纯化,所得产物经GC-MS检测,其主要成分对甲氧基肉桂酸乙酯的相对含量从74%提高到90%以上。
Supercritical CO2 fluid extraction was used to extract sagal ginger oil from Shajiang ginger and then purified by molecular distillation. The product was identified by GC-MS. The relative content of the main component, ethyl methoxycinnamate, was increased from 74% to 90 %the above.