摘要
目的:分析比较当归各药用部位的挥发油成分。方法:通过单因素考察确定最佳萃取条件,采用顶空固相微萃取法(HS-SPME)与气相色谱-质谱(GC-MS)联用法测定当归各药用部分挥发性化学成分,通过面积归一法确定各成分含量。结果:最终确定条件为称量量0.5 g,萃取温度90℃,萃取时间20 min,解吸附时间3 min。全当归药材粉末出峰94个,当归头药材粉末出峰64个,当归身药材粉末出峰62个,当归尾药材粉末出峰73个,全当归、当归头、当归身和当归尾定性成分含量分别为99.994%,99.747%,97.754%和99.988%。结论:当归挥发性成分主要为藁本内酯且藁本内酯含量:当归身>当归尾>当归头>全当归。
OBJECTIVE To analyze and compare the volatile oil components of various medicinal parts of Angelica.METHODS The optimum extraction conditions were determined by single factor test. Headspace solid-phase microextraction(HS-SPME) was used in combination with gas chromatography-mass spectrometry(GC-MS) to determine the Angelica medicinal parts volatile chemicals. The content of each component was determined by area normalization method.RESULTS The optimum extraction conditions were weighing 0.5 g,extraction temperature 90 ℃,extraction time 20 min,analysis time 3 min. Angelica has 94 peaks with 62 peaks in head parts,62 peaks in body parts,73 peaks in tail parts, The content of qualitative ingredients accounted for 99.994%,99.747%,97.754% and 99.988%,respectively.CONCLUSION The mainly volatile components of Angelica is ligustilide. And the content of ligustilide: body parts > tail parts > head parts> Angelica.
引文
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