Research Article

Immune-Enhancing Activity of Vitis coignetiae Extract via Increasing Cytokine and Natural Killer Cell Activity in Splenocytes and Cyclophosphamide-Induced Immunosuppressed Rats

Figure 2

Quantitative HPLC analysis of compounds from Vitis coignetiae extract. HPLC chromatograms of VCE; peaks: gallic acid, hydratebenzoic acid, syringic acid, and quercetin.