Milk Thistle Extract is widely used for treating liver diseases and cardiovascular diseases. Applicable to against atherosclerosis, protect the liver, liver disease prevention and improve liver function, regenerating liver cells, etc.
Extract Method: Grain alcohol
Test Method: HPLC/UV
| 1. | Appearance | Amorphous Powder | |
| 2. | Colour | Yellow to Yellowish-Brown | |
| 3. | Odour | Slight, Specific | |
| 4. | Solubility | ||
| - in Water | Practically Insoluble | ||
| - in Methanol and Acetone | Soluble | ||
| 5. | Identification | ||
| - TLC | To Comply with The Test | ||
| - HPLC | To Comply with The Test | ||
| 6. | Sulphated Ash | NMT 0.6% | |
| 7. | Heavy metals | NMT 10 PPM | |
| - Arsenic - Atomic Absorption | NMT 0.1 PPM | ||
| - Cadmium - Atomic Absorption | NMT 0.1 PPM | ||
| - Lead - Atomic Absorption | NMT 0.1 PPM | ||
| - Mercury - Atomic Absorption | NMT 0.1 PPM | ||
| 8. | Loss On Drying (2 Hours 105 ºC) | NMT 5.0% | |
| 9. | Powder size | 80Mesh, NLT90% | |
| 10. | Assay of Silymarin (UV test, per cent) | Min. 80 | |
| 11. | Assay of Silymarin (HPLC, determined as silybin, per cent) | From 40,0 to 80,0 | |
| - sum of silycristine and silydianine (HPLC, per cent of the total content of silymarine) | From 20,0 to 45,0 | ||
| - sum of silybin А and silybin В (HPLC, per cent of the total content of silymarine) | From 40,0 to 65,0 | ||
| - sum of isosilybin А and isosilybin В (HPLC, per cent of the total content of silymarine) | From 10,0 to 20,0 | ||
| 12. | Residual Solvents | ||
| - Ethyl Acetate | NMT 5000 PPM | ||
| - Acetone | NMT 5000 PPM | ||
| - Methanol | NMT 3000 PPM | ||
| - Ethanol | NMT 5000 PPM | ||
| -N-hexane | NMT 290 PPM | ||
| 13. | Residual Agrichemicals | ||
| - Total BHC (Sum of α,β,γandδ-BHC) | NMT 0.2 PPM | ||
| - Total DDT (Sum of p,p'-DDD,P,P'-DDE,o,p'-DDT and p,p' -DDT) | NMT 0.1 PPM | ||
| - Aldrin | NMT 0.1 PPM | ||
| - Endrin | NMT 0.1 PPM | ||
| - Dieldrin | NMT 0.1 PPM | ||
| 14. | 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 | Inadmissible | ||











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