八角提取物的GC-MS分析及其抗氧化性的研究(英文)Study on chemical component analyzed by GC-MS and antioxidation of star anise extracts
王琴,蒋林,温其标
摘要(Abstract)：
采用气相色谱-质谱联用技术分析鉴定了超临界和溶剂萃取地八角提取物的化学成分,同时采用自由基的清除能力来测定八角提取物的抗氧化性。GC-MS分析结果表明:二种提取物中共分离出63个峰,有机溶剂和超临界CO2萃取地提取物分别鉴定出57和53种化合物,各占面积的97.77%和97.17%;其中主要成分反式茴香脑相对含量分别为70.61%和77.31%。DPPH自由基(2,2—联苯-1-三硝基苯肼,DPPH·)检测法表明,两者均有一定的自由基清除能力,但在相同浓度下溶剂萃取地八角提取物对DPPH自由基的清除能力略强于超临界萃取地提取物,并且在大于0.3g/L浓度时,两种提取物的清除自由基的能力接近BHT和Vc。
关键词(KeyWords)： 八角提取物;有机溶剂萃取;超临界CO2萃取;GC-MS;DPPH·
基金项目(Foundation): 广西科技攻关项目(桂科攻0424008-1C)
作者(Author): 王琴,蒋林,温其标
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