Fig. 2

The HPLC chromatograms of reference substance (A) and YGZ extract (B) at 215 nm. 1-gallic acid, 2-catechin, 3-corilagin, 4-ellagic acid.

The HPLC chromatograms of reference substance (A) and YGZ extract (B) at 215 nm. 1-gallic acid, 2-catechin, 3-corilagin, 4-ellagic acid.