白术挥发油及其溶液氧化分解稳定性条件的分析
Journal of Analytical Science(2013)
Abstract
采用超临界CO2萃取白术挥发油,然后将挥发油及其有机溶液分别放置室外晴天(20~29℃);室外阴天(15~21℃);室外避光水浴30℃;室内室温和室内避光条件下氧化分解,以苍术酮为氧化分解指标,采用高效液相色谱法(HPLC)跟踪检测,依据标准曲线计算苍术酮浓度和剩余苍术酮百分含量。结果白术挥发油有机溶液在室外晴天,室外阴天和室外避光水浴30℃放置7h,剩余苍术酮百分含量分别为0、54.80%和63.9%;而白术挥发油在室外晴天放置48h,在室内和室内避光条件下放置96h,剩余苍术酮百分含量分别为1.92%、60.43%和80.33%。
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Key words
Oxidative decomposition,Atractylodes macrocephala Koidz,Analysis,Volatile oil,Stability
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