Zheng X, Xu Y, Xu J
Hengyang Medical College, Hengyang 421001.
Zhongguo Zhong Yao Za Zhi. 1998 Feb;23(2):98-9, 128-9.
From Pyrrosia gralla four compounds were isolated and identified stigmasterol(I), ursolic acid (II), mangiferin(III) and sucrose(IV) by physical and chemical means. Compounds I and II were obtained from Pyrrosia for the first time.
