No.

Test items

Specification and Standards

Results

1.

Appearance

Amorphous Powder

Conforms

2.

Colour

Yellowish-Brown

Conforms

3.

Odour

Slight, Specific

Conforms

4.

Solubility

- in Water

Practically Insoluble

Conforms

- in Methanol and Acetone

Soluble

Conforms

5.

Identification

- TLC

To Comply with The Test

Conforms

- HPLC

To Comply with The Test

Conforms

6.

Sulphated Ash 

NMT0.5%

Conforms

7.

Heavy metals 

NMT 10 PPM

Conforms

8.

Loss On Drying (2 Hours ，105 ℃)

NMT 5.0%

1.46%

9.

Powder size

80Mesh, NLT95%

Conforms

10.

Assay of Total Silymarin by UV

Min 80%

80.47%

11.

Residual Solvents (Extract Solvent-Acetone)

- Acetone

NMT 5000 PPM

Conforms

- N-Hexane

NMT 290 PPM

Conforms

12.

Microbiological Quality (Total viable aerobic count)

- bacteria, not more than

103cfu/g

10 cfu/g

- moulds and yeasts, enterobacterial not more than

102cfu/g

10 cfu/g

-Salmonella species and Escherichia coli.

Absence

Conforms

13.

Storage :Preserve in tight, light­resistant containers, in a cool place.

14.

Result:PASS