Soybean Milk Inhibits Absorption and Intestinal Transmembrane Transport of Gegen in Rats

Table 6

Summary of recovery, matrix effect, accuracy, and precision of puerarin for the UHPLC-MS/MS method in Ussing chamber samples (n = 6, ).

		Spiked conc. (ng·mL^−1) of puerarin
		20	1000	2500
Recovery (%)
Matrix effect (%)
Precision	Intraday	7.51	3.56	6.13
RSD%	Interday	5.82	5.23	6.12
Accuracy	Intraday	1.15	5.00	−5.60
RE%	Interday	−4.25	7.00	−6.40