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.
HPLC chromatogram of polyphenols of 75% ethanol extract of peppermint (1; danshensu, 2; catechin, 3; unidentified, 4: caffeic acid, 5; luteolin-rutinoside, 6; unidentified, 7; rosmarinic acid, 8; salvianolic acid B, 9; isosalvianolic acid A, 10; luteolin, 11, 12; unidentified)
