Review Article

Pleiotropic Protective Effects of Phytochemicals in Alzheimer's Disease

Figure 3

Chemical structure of (−)-Epigallocatechin-3-gallate. EGCG contains three heterocyclic rings, A, B, and C, and the free radical scavenging property of EGCG is attributed to the presence of trihydroxyl group on the B ring and the gallate moiety at the position in the C ring.
386527.fig.003