Comparative Pharmacokinetic Profiles of Puerarin in Rat Plasma by UHPLC-MS/MS after Oral Administration of Pueraria lobata Extract and Pure Puerarin

Table 3

Recovery and matrix effects of PUR and IS in rat plasma by the UHPLC-MS/MS method (n = 5).

Marker compounds	Concentration (ng/mL)	Recovery (%)	RSD (%)	Matrix effect (%)	RSD (%)
PUR	8.0	85.6	14.5	113.2	7.4
	80.0	95.1	9.3	108.8	8.7
	720.0	93.4	10.9	112.5	5.9
IS	100.0	106.4	8.7	95.3	9.5