Customization: | Available |
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Certification: | ISO, FDA |
Assay Method: | HPLC, UV |
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English Name | Milk Thistle extract,silybum marianum extract |
Latin Name | Silybum marianum.L |
CAS No | 22888-70-6 / 65666-07-1 |
Molecular Formula | C25H22O10 |
Molecular Weight | 482.44 |
Active ingredients | Silymarin & Silybin |
Specification | Silymarin 80% UV, Silybin 30% HPLC |
Use Part | seed |
Appearance | yellowish fine powder |
Mesh size | 80 Mesh |
Test Method | UV |
Item | Standard | Results |
Appearance | Amorphous powder | Faint yellow powder |
Color | Yellow to yellowish-brown | Conform |
Odor | Slight,specific | Conform |
Sieve Analysis | 100%Through 80 mesh | Conforms |
Assay of Silymarin (UV) | NLT80.0% | 81.2% |
Assay of Silymarin(HPLC) | 47.0% | |
Silybin A & Silybin B | 26.2% | |
Isosilybin A & Isosilybin B | 6.2% | |
Silydianin & Silychristin | 14.6% | |
Loss on Drying | NMT5.0% | 3.0% |
Total Ash | NMT0.5% | Conform |
Bulk Density | 30-50g/100ml | Conform |
Tap Density | 60-90g/100ml | Conform |
Residual Solvents N-Hexane Acetone |
NMT0.029% NMT0.5% |
Conform Conform |
Solubility in water | Practically Insoluble | Conform |
Solubility in Methanol and acetone | Soluble | Conform |
Heavy Metals | NMT10ppm | Conform |
Total Plate Count | NMT 10000cfu/g | Conform |
Yeast &Moulds | NMT 1000cfu/g | Conform |
Salmonella | Negative | Conform |