Rapid Determination of Isomeric Benzoylpaeoniflorin and Benzoylalbiflorin in Rat Plasma by LC-MS/MS Method

Table 3

Precision, accuracy, recovery, and matrix effect of BP and BA in QC samples ().

Compound	Concentration/ng mL^−1	Intraday precision and accuracy			Interday precision and accuracy			Recovery, %	Matrix effect, %
		Measured concentration/ng mL^−1	RSD, %	RE, %	Measured concentration/ng mL^−1	RSD, %	RE, %
BP	1	0.99 ± 0.12	12.48	0.83	0.94 ± 0.08	8.53	5.50	99 ± 6.62	98 ± 11.20
	2	2.02 ± 0.12	6.00	−1.25	2.16 ± 0.07	3.64	−8.00	98 ± 8.31	99 ± 10.96
	500	505.16 ± 11.47	2.27	−1.03	524 ± 30.28	5.77	−4.80	90 ± 10.20	94 ± 3.27
	750	737.66 ± 23.72	3.21	1.64	750.16 ± 15.27	2.03	−0.02	93 ± 14.29	98 ± 7.83
BA	1	0.98 ± 0.08	8.40	1.66	0.89 ± 0.03	3.96	10.33	97 ± 7.88	99 ± 9.23
	2	2.11 ± 0.17	8.12	−5.83	1.93 ± 0.07	3.74	3.16	98 ± 5.52	96 ± 11.46
	500	494.83 ± 24.47	4.94	1.03	494 ± 15.65	3.16	1.20	97 ± 3.46	96 ± 8.58
	750	753.16 ± 18.25	2.42	−0.42	760.66 ± 15.94	2.09	−1.42	99 ± 3.97	98 ± 11.75