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.
Reversed-phase HPLC-DAD-ESI/MS chromatograms at 280 nm of the PPE of apple skin (a) and a mixture of standards [procyanidin B1 (PB1), (+)-catechin(C), chlorogenic acid (CA), procyanidin B2 (PB2), (−)-epicatechin (E), cyanidin glucoside (CGL), procyanidin C1 (PC1), quercetin galactoside (QGO), quercetin glucoside (QGL), Phloridzin (PHL)] (b).
