1.Characters Yellow and brown Powder,slight characteristic smell
2.Identification: Positive Reaction complies
3.Clarity and Color of Solution: 1% Methanol solution clarity complies
4.Heavy Metals: max.10ppm max.10ppm
5.Sulphated Ash max.0.6% 0.36%
6.Loss On Drying: max.5.0% 2.25%
7, Assay dried：
(1)UV Spectrophotometric Analysis min.80.00% 80.83%
(
2)HPLC 65.42%
(
3) Silybin min.30.00% 31.26%
8, Residual organic solvents
(1) Total max.0.5% 0.28%
(2) Acetone max.0.45% 0.25%
(3)other max.0.05% 0.03%
9, Microbiological test
(1)Total Bacteria max.1000/g 300/gr
(2) Mould max.100/g 40/gr
(3)Yeasts max.100/g 20/gr
(4)Salmonella not detected
(5) Staphyipcicus Aureus not detected
|
