| ≥1 piece |
Characteristics:
Yellow-brown or snuff color powder,bitter taste,easily moisture absorption.
Identification:
Having the same speck with the contrast medicine in the same place on the chromatogram.
Checking:
1、loss on drying: not more than 5.0%
2、porcine bile powder: having not the same speck in the same place with porcine bile powder.
3、Cholic acid content: not less than 45.0%