Table 2.

Drug content (%) determination of Tauroursodeoxycholic acid in buffer solution at different pH

	pH
Time (d)	5.0	5.5	6.0	6.5	7.0	8.0
0	100.0	100.0	100.0	100.0	100.0	100.0
1	99.7	99.0	98.7	99.2	99.1	99.0
3	100.0	102.8	102.2	102.8	102.8	102.5
5	99.8	97.6	104.2	103.7	103.1	103.3