Table 3.

Analytical figures of merit of HPLC-PAD method.

Compound	Retention Time (min)	LOD (µg/mL)	LOQ (µg/mL)	Repeatability (RSD%, n = 3)	Recovery (%)
Gallic acids	8.20 ± 0.014	0.20	0.52	<2%	98 ± 1
Naringin	10.30 ± 0.004	0.29	0.44	<5%	97 ± 4
Ferulic acids	10.41 ± 0.003	0.02	0.02	<4%	100 ± 3
Quercetin	11.24 ± 0.003	0.02	0.02	<4%	100 ± 4
Curcumin	12.02 ± 0.002	0.18	0.33	<6%	98 ± 5