Research Article

Effects of Huang Qi Decoction on Endothelial Dysfunction Induced by Homocysteine

Figure 5

Effect of N-nitro-L-arginine methyl ester (L-NAME) on the protection of Huang Qi decoction (HQD), tempol, and apocynin against the impairment of endothelium-dependent relaxation induced by homocysteine (Hcy). Values are means ± SEM (). compared with the Hcy group.