Research Article
The Galloyl Catechins Contributing to Main Antioxidant Capacity of Tea Made from Camellia sinensis in China
Figure 8
Chromatograms at 278 nm (upper traces) and online DPPH quenching profiles (lower traces) for mixed catechin standards (a) and a tea sample ((b) Bi luo chun). 1: gallic acid; 2: EGC; 3: catechin; 4: caffeine; 5: EC; 6: EGCG; 7: ECG.
