Chemical constituents of Aristolochia constricta: antispasmodic effects of its constituents in guinea-pig ileum and isolation of a diterpeno-lignan hybrid

Zhang, G., Shimokawa, S., Mochizuki, M., Kumamoto, T., Nakanishi, W., Watanabe, T., Ishikawa, T., Matsumoto, K., Tashima, K., Horie, S., Higuchi, Y., Dominguez, O.P.

They inhibited electrically induced and acetylcholine-induced contraction in the isolated guinea-pig ileum. In addition, 9- O-[(-)-kaur-15-en-17-oxyl]cubebin was isolated as a new diterpeno-lignan hybrid, although this constituent did not exhibit antispasmodic activity.

J Nat Prod.

71

7

10.1021/np800041t

18570470