Table A1.

Validation data for the determination of phenolic compounds by HPLC.

Parameter	Phenolic Compounds
	p-Coumaric Acid	Rutin	Quercetin	Apigenin
LOD (mg/L)	0.25	0.32	0.21	0.12
LOQ (mg/L)	0.83	1.05	0.70	0.38
Standard error (mg/L)	0.08	0.10	0.07	0.04
Linearity range (mg/L)	0.83–100	1.05–100	0.70–100	0.38–100