DETERMINATION OF COUMARINS IN ANGELICAE DAHURICAE BY TLC SCANNING METHOD
Li Hongyu;Dai Yuejin;Chang Haibo;Xie Chengke School of Pharmacy, West China University of Medical Sciences Chengdu
Imperatorin, Isoimper- atorin and oxypeucedarin in A. dahurica can be separated on Silica gel G plate by petroleum ether (b.p. 30°--60°); chloro- form (5:3) as developing agent, and de- termine by TLC scanning. A few of Angelicae dahuricae are analysed comp- arely.