Figure 3From: High catechin concentrations detected in Withania somnifera (ashwagandha) by high performance liquid chromatography analysis HPLC chromatogram of W. somnifera leaves. (1) catechin, (2) gallic acid, (3) syringic acid, (4) vanillic acid, (5) p-coumaric acid and (6) benzoic acid.Back to article page