Simultaneous Determination of Content and Antioxidant Activity of Five Components in Hibiscus mutabilis L by HPLC-QAMS

Table 2

Linear relationship of components.

Components	Regression equation	Linear range/(μg/mL)		LOD; (μg/mL)	LOQ; (μg/mL)
Protocatechuic acid		1.430~ 71.52	0.9995	0.11	0.36
Catechin		4.200~ 210.0	0.9996	0.37	1.22
Rutin		19.544~ 977.2	0.9999	0.21	0.69
Quercetin		1.608~ 80.4	0.9997	0.14	0.46
Luteolin		5.008~250.4	0.9996	0.24	0.79