Ginsenoside Ra1 is a component from ginseng, inhibits protein tyrosine kinase (PTK) activation induced by hypoxia/reoxygenation[1].
[1]. Dou DQ, et al. The inhibitory effects of ginsenosides on protein tyrosine kinase activated by hypoxia/reoxygenation in cultured human umbilical vein endothelial cells. Planta Med. 2001 Feb;67(1):19-23.
















