Cosmate®SM, Silymarin, a natural flavonoid lignan compound, is extracted from the dried fruit of milk thistle, a plant in the asteraceae family. Its main components are silybin, isosilybin, silydianin and silychristin. Cosmate®SM,Silymarin is insoluble in water, easily soluble in acetone, ethyl acetate, methanol ethanol, slightly soluble in chloroform.
Appearance |
Amorphous Powder |
Colour |
Yellow to Yellowish-Brown |
Odour |
Slight, Specific |
Solubility |
|
- in Water |
Practically Insoluble |
- in Methanol and Acetone |
Soluble |
Identification |
|
Sulphated Ash |
NMT 0.5% |
Heavy metals |
NMT 10 PPM |
- Lead |
NMT 2.0 PPM |
- Cadmium |
NMT 1.0 PPM |
- Mercury |
NMT 0.1 PPM |
- Arsenic |
NMT 1.0 PPM |
Loss On Drying (2 Hours 105 ℃) |
NMT 5.0% |
Powder size |
|
Mesh 80 |
NLT100% |
Assay of Silymarin (UV test, per cent, Standard in House) |
Min. 80% |
Residual Solvents |
|
- N-hexane |
NMT 290 PPM |
- Acetone |
NMT 5000 PPM |
- Ethanol |
NMT 5000 PPM |
Pesticide Residues |
USP43<561> |
Microbiological Quality (Total viable aerobic count) |
|
- Bacteria, CFU/g, not more than |
103 |
- Moulds and yeasts, CFU/g, not more than |
102 |
- E.coli, Salmonella, S. aureus, CFU/g |
Absence |