Objective To study the chemical constituents of Hedyotis tenelliflora.Methods The compounds were isolated by chromatographic separation technology.The structures were identified on the basis of chemical and spectral d...
A gradient HPLC method was established for the determination of harpagoside and cinnamic acid in Radix Scrophulariae (Xuanshen) and a proposition was put forward for the lowest content of the characteristic and active...
This work is supported by the ''Ninth 5-year Plan" Key Science ; Technique R & D Programme Foundation of China !(96-C02-03-06)
Harpagoside, which is one main iridoid constituent of the dried roots of Scrophularia ningpoensis Hemsl., was biotransformated by bacteria isolated from human feeal flora a.d three metabolites were obtained. The struc...