Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Structures of (−)-epigallocatechin-3-gallate (EGCG) and other tea catechins. For (−)-epicatechin-3-gallate (ECG), the “OH” at 3´-position is replace by “H”; for (−)-epigallocatechin (EGC), the “gallate” at 3-position is replaced by “OH”; for (−)-epicatechin (EC), the “OH” at 3´-position is replaced by “H” and “gallate” at 3-position is replaced by “OH”.
