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.
(1) Petroleum ether extract, (2) Ethyl acetate extract, (3) Methanol extract, (4) Ethanol extract (70% v/v) at (A) 254 nm, (B) 366 nm and (C) 600 nm. Standards used are quercetin (Q), myricetin (M) and catechin (C) in lane 5.
