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Polyphenol constituents of raw Bowl tea. (A) Standard chromatograms; (B) Polyphenols of raw Bowl tea chromatograms. 1: gallic acid, 2: (-)-epigallocatechin (EGC); 3: catechin; 4: caffeine; 5: L-epicatechin (EC); 6: (-)-epigallocatechin gallate (EGCG); 7: (-)-gallocatechin gallate (GCG); 8: (-)-epicatechin gallate (ECG).
