[Studies on the chemical constitutents in herb of Verbena officinalis].

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). CONCLUSION: Compounds I and II were obtained from the genus for the first time.