Sauchinone is a useful adjunctive treatment for bacterial infection. Sauchinone, an active lignan found in Saururus chinensis, to regulate the activation of HSCs, to prevent liver fibrosis, and to inhibit oxidative stress in vivo and in vitro.

Cyclocephaloside II is a natural product that can be obtained from the roots of Astragalus brachypterus and Astragalus microcephalus.

(Ala13)-Apelin-13 is a potent apelin receptors (APJ) antagonist. (Ala13)-Apelin-13 inhibits gastric motility through vagal cholinergic pathway.