Banaba leaves are commonly used in Southeast Asia as a natural plant to improve diabetes, which is attributed to corosolic acid and ellagitannins. Corosolic acid (CA) is a natural triterpene compound with multiple biological activities. This natural product can be marketed as a nutritional supplement ingredient.
Advantages:
| Item | Specification | Method | Result |
| Assay | Corosolic Acid>10% | HPLC | Conforms |
| Appearance | Fine powder | Organoleptic | Conforms |
| Color | Brown green | Organoleptic | Conforms |
| Odour | Characteristic | Organoleptic | Conforms |
| Mesh Size | 95% through 60 mesh size | USP32<786> | Conforms |
| Drying Method | spray drying | spray drying | Conforms |
| Ash | ≤5.0% | Eur.Ph.6.0[2.4.16] | 3.26% |
| Loss on Drying | ≤5.0% | Eur.Ph.6.0[2.4.16] | 1.39% |
| Contaminants | |||
| Pesticides Residue | Meet USP32<561> | USP32<561> | Conforms |
| Lead(Pb) | ≤2.0mg/kg | Eur.Ph6.0<2.2.58>ICP-MS | Conforms |
| Arsenic(As) | ≤2.0mg/kg | Eur.Ph6.0<2.2.58>ICP-MS | Conforms |
| Cadmium(Cd) | ≤1.0mg/kg | Eur.Ph6.0<2.2.58>ICP-MS | Conforms |
| Mercury(Hg) | ≤0.01mg/kg | Eur.Ph6.0<2.2.58>ICP-MS | Conforms |
| Microbiological | |||
| Total Plate Count | ≤1000cfu/g | USP30<61> | Conforms |
| Yeast &Mold | ≤300cfu/g | USP30<61> | Conforms |
| E.Coli. | Negative | USP30<62> | Conforms |
| Salmonella | Negative | USP30<62> | Conforms |
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