Table 3.

The stability of baicalin and baicalein in urine, plasma and the tissue homogenate of liver.

	Urine			Plasma			Liver
	BL-1	B-1	B-2	BL-1	B-1	B-2	BL-1	B-1	B-2
PPS	RE%	RE%	RE%	RE%	RE%	RE%	RE%	RE%	RE%
0.5 h	6.7	4.9	−10	−0.1	−0.6	−61	−2.9	−1.7	−9.6
1h	−6.6	−7.2	−10.6	−0.8	−0.3	−73.3	−2.5	−1.6	−10.6
2h	1.9	−4.2	−4.7	−1.1	−1.9	−78.5	−2.8	−1.6	−7.1
4h	−4.7	−3.8	−12.7	1.7	−0.5		0.8	0.2	−5.3
6h	7.2	6.5	−9.8	−1.3	5.6		0.8	−3.2	−6.1
8h	−3.7	−5.1	−11.7	−0.9	6		−0.5	−3.2	−13
12h	3	−1.2	−3.9	−1.4	6.8		−3.3	−5	−10.2
24h	1.9	−0.9	−29.9	−11.2	−13.1		−4.6	−5.3	−22.9
TFTC	−1.2	−1.2	2.9	−2.6	−0.01	−2.9	−1.7	−5.3	6.7
−20 °C
1d	6.8	−0.5	−4.7	−0.3	−6	−13.2	−8.9	−11	6.7
5d	−7.8	−6.9	−6.3	−10	−9.3	−27.6	−4.6	−7.9	7.4
10d	4.8	−11.8	0.3	−1.6	3.4	−52.7	−12.8	−9.5	1.6
15d	−5.1	−13.4	4.8	−2.1	−4.6	−63.8	−10.5	−11.8	−6.7

1: in FSR form; 2: in monomer form.

Bold value refers to the deviation of a value greater than 15%.