陕西姜黄挥发油的提取与GC-MS测定

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采用水蒸气蒸馏法和离子液体添加剂辅助提取陕西姜黄中的挥发油,气相色谱-质谱(GC-MS)测定姜黄挥发油的化学成分.通过正交实验优化,确定离子液体辅助水蒸气蒸馏法提取姜黄挥发油的提取率优于不加离子液体的水蒸气蒸馏法,其最佳工艺为m(姜黄):V(提取液)=1:20 g/mL,筛孔0.25 mm,提取时间5 h.不同批次的陕西姜黄挥发油含量均大于0.035 mL/g.姜黄挥发油主要组分为烯酮、烯烃、芳香烃类物质,其中姜黄二酮、吉马酮、姜黄烯等含量较为丰富,该研究可为姜黄挥发油及其相关制剂的质量控制提供参考.
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