AIM: To identify chemical components in Shuangshen Prescription by Liquid Chromatography-Mass Spectrometry (LC-MS), and optimize the extraction by uniform design (UD).
目的：采用液相色谱质谱联用鉴定双参复方化学成分，同时应用均匀设计优化复方提取工艺。
2
Multiphase reactive chromatography is a chromatographic process with multi-mobile phases and chemical reactions.
多相反应色谱，即多个流动相且伴随化学反应的色谱过程。
3
The conversion rate from AA into PGG2 and PGH2 by chemical reaction and column chromatography was about 34%. The purity of endoperoxide products was more than 90%.