Technical aspects
Crystalline berberine is yellow in colour, has a granular structure and a characteristic taste. Barberry extract in this form is standardised for high active substance content.
| Parameter | Value |
|---|---|
| Berberine content | 98% |
| Form | Granular crystal |
| Colour | Yellow |
| Extraction solvents | Ethanol and water |
| Loss on drying | ≤12.0% |
| Ash | ≤0.2% |
| Bulk density | 0.30–0.70 g/ml |
| DER | 100:1 |
| Sieve | NLT 95% through 20 mesh |
| Total number of microorganisms | ≤10,000 cfu/g |
| Mould and yeast | ≤300 cfu/g |
| E. coli | Absent |
| Salmonella | Absent |
| Staphylococcus | Absent |
