Pyrroloquinoline PQQ
City: Marupe
Please avoid sudden changes in temperature and humidity, as they may affect the condition of derivative ingredients and tablets.
The shelf life begins from the date of manufacture at the factory.
Taking into account logistical and transportation stages, the remaining shelf life of the product is always shorter than the full shelf life.
We ship products to our customers with a remaining shelf life of no less than 70%.
CERTIFICATE OF ANALYSIS
Product Name | Pyrroloquinoline Quinone Disodium Salt | Grade | Food Grade |
Chemical Formula | C14H4N2Na2O8 | Batch Number | 634-20251003 |
Manufacture Date | Oct. 03, 2025 | ||
Expiry Date | Oct. 02, 2028 |
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This product meets the following USP and AJI limits.
ITEM | SPECIFICATION | RESULT | STANDARD REFERENCED |
Physical | |||
Appearance | Light red to reddish Brown Powder | Complies | Visual |
Loss on drying | ≤12.0% | 9.30% | 2g/105℃/5hrs |
Identification | UV Absorbance A233/A259 0.90±0.09 A322/A259 0.56±0.03 | A233/A259 0.83 A322/A259 0.54 | Enterprise Standards |
Chemical | |||
Heavy metals | ≤10ppm | Complies | Colorimetric method |
Arsenic(As) | ≤2ppm | Complies | AFS |
Lead(Pb) | ≤0.4ppm | Complies | AFS |
Cadmium(Cd) | ≤1ppm | Complies | AFS |
Mercury(Hg) | ≤0.1ppm | Complies | AFS |
Assay | |||
Pyrroloquinoline Quinone Disodium Salt (Base on dry) | 98.0%~102.0% | 99.3% | HPLC |
Microbial | |||
Total Plate Count | ≤1000CFU/g | ＜10CFU/g | GB 4789.2 |
Mould & Yeast | ≤100CFU/g | ＜10CFU/g | GB 4789.15 |
Coliforms | ≤0.92MPN/g | Negative | GB 4789.3 MPN counting method |
Salmonella | Negative | Negative | GB 4789.4 |
Stapphylococcus Aureus | Negative | Negative | GB 4789.10 |
Else | |||
Shelf life | Three years when properly stored. |
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