Phenolic Standard

Regression equation

Correlation Coefficient (R²)

Chlorogenic acid

$y=25667x$

0.9992

Procyanidin B2

$y=4.9706x$

0.9833

Quercetin-3-galactoside

$y=26.232x$

0.9998

Quercetin-3-glucoside

$y=13829x$

1.0000

Phloridzin

$y=14704x$

0.9999

Epicatechin

$y=6210x$

0.9998

Catechin

$y=5901.3x$

1.0000