Anhui Minmetals Development Imp/Exp Co.,Ltd.
CERTIFICATE OF ANALYSIS
Product Name: Pterostilbene |
CAS NO.: 537-42-8 |
Molecular Formula: C16H16O3 |
Batch N0.: 20100110 |
Quantity: 50KGS |
Manufacture Date: Jan, 10th, 2018 | Analysis Date: Jan, 10th, 2018 |
Analysis | Specification | Result |
Appearance | Off white powder | Complied |
Melting range | 85~88 | 85~88 |
Assay(HPLC) | ≥99% | 99.50% |
Mesh size | 200mesh | 200mesh |
Loss on drying | ≤0.5% | 0.43 |
Ignition residue | ≤0.2% | 0.09 |
Heavy metals | ≤10ppm | Conform |
Pb | ≤2.0ppm | 0.9ppm |
As | ≤2.0ppm | 1.0ppm |
Cd | ≤2.0ppm | 0.9ppm |
Total plate count | ≤1000cfu/g | 240cfu/g |
Yeast and mold | ≤100cfu/g | 19cfu/g |
E.coli | Negative | Negative |
Salmonella | Negative | Negative |
Pseudomonas aeruginosa | Negative | Negative |
Aflatoxin B1 | ≤5.0ppm | Complied |
Staphylococus | Negative | Negative |
Conclusion | Meets in-house specification. |
Packing and Storage |
Packing | Pack in tin and two plastic-bags inside. |
Storage | Store in a well-closed place with constant low temperature and no direct sun light |
Shelf life | 2 years when properly stored. |
