Click on image to view larger version.


Figure 3


Fig. 3. Chemical structure of gallic acid and the four major catechins in green tea. GA, gallic acid; EGCG, (–)-epigallocatechin-3-gallate; EGC, (–)-epigallocatechin; ECG, (–)-epicatechin-3-gallate; EC, (–)-epicatechin.