1. Milk thistle seed extract powder
2. Latin name: Silybum marianum
3. Specification: Silymarin 80% by UV
2. Latin name: Silybum marianum
3. Specification: Silymarin 80% by UV
| Test items | Specification and Standards | Results |
| Appearance | Amorphous Powder | Conforms |
| Colour | Yellow to Yellowish-Brown | Conforms |
| Odour | Slight, Specific | Conforms |
| Solubility | ||
| - in Water | Practically Insoluble | Conforms |
| - in Methanol and Acetone | Soluble | Conforms |
| Sulphated Ash | NMT 0.5% | Conforms |
| Heavy metals | NMT 10 PPM | Conforms |
| Loss On Drying (2 Hours 105 degree) | NMT 5.0% | 2.4% |
| Powder size | ||
| Mesh 80 | NLT 95% | Conforms |
| Assay of Silymarin (Tested by UV) | NLT 80% | 85.1% |
| Assay of Silymarin (Tested by HPLC) | 52.3% | |
| -Silybin A. B. | 29.4% | |
| -Isosilybin A. B. | 7.3% | |
| -Silydianin& Silychristin | 15.6% | |
| Residual Solvents | ||
| - Acetone | NMT 5000PPM | Conforms |
| Microbiological Quality (Total viable aerobic count) | ||
| - Total bacterial count | NMT 1, 000.0 CFU/g | Conforms |
| - Moulds & Yeasts | NMT 100.0 CFU/g | Conforms |
| - Escherichia coli | Not detected | Conforms |
| - Salmonellaspecies | Not detected | Conforms |
| Guarantee of Non-Irradiation | ---- | Qualified |