Zhongguo Zhong Yao Za Zhi
February 2005
Objective: To isolate and identify the chemical constituents from Verbena officinalis.
Method: The compounds were isolated by means of chromatography and the structures were determined on the basis of physical and spectral analysis.
Result: Four compounds were isolated and identified as apigenin (I), 4'-hydroxywogonin (II), verbenalin (III) and hastatoside (IV).
Zhongguo Zhong Yao Za Zhi
August 2003
Objective: To establish a RP-HPLC method for determination of glycosides in Traditional Chinese Medicine Liu-wei Di-huang.
Method: The samples were analyzed on an ODS column at 30 degrees C, with mobile phase of methanol/water (33:67) at flow rate 1.0 mL.