藁本内酯的稳定性研究及异构化产物的GC-MS分析

Studies on the Stability of Ligustilide and the Analysis of Its Isomerized Products by GC-MS

藁本内酯 (ligustilide)分别于室温、4℃、- 2 0℃放置 ,以气相色谱法进行稳定性考察 ,结果表明藁本内酯可在 - 2 0℃稳定保存。通过对异构化产物的 GC- MS分析 。

Ligustilide was kept separately at room temperatures of 4 ℃ and -20 ℃ and examined periodically by GC The results showed that ligustilide could be kept only below -20 ℃ It is labile to isomerize at room temperature By GC MS analysis, it is possible to trace the structural changes of its isomerization pathway