4'-Methoxyresveratrol is a natural product form the roots of Rheum palmatum Lhas significant hypoglycemic anti-inflammatory and antioxidant effects.

Delsoline is not only effective in preventing ventricular fibrillation and arrythmia, but can raise the intebsity of the threthold of electrical shocks to cause ventricular fibrillation in rabbits.

Mahuannin B is an effective anti-hydrotic agent, inhibiting the production of cAMP via suppression of adenylate cyclase (AC) activity.