Main Options: Phosphatidylserine PS 20%, 50%, 70%
Phosphatidylserine is a phospholipid and it is a component of the cell membrane. Phosphatidylserine 20%, 50% and 70% are light yellow powders, soluble in most non-polar solvents and insoluble in anhydrous.
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Items | Methods | Specifications | Results |
Description | Yellow to brown powder | Yellow powder | Conforms |
Ordor | Characteristic | Characteristic | Conforms |
Appearance | Powder or granular | Powder | Conforms |
Impurity | No visible impurity | No visible impurity | Conforms |
Physical Property | |||
Water content / (g/100g) | ≤2.0 | ≤1.6 | Conforms |
Phosphatidylserine / (g/100g) (content in dry product) | 50.0-60.0 | 52.8 | Conforms |
Peroxide Value/ meq/kg | ≤10.0 | ≤2.5 | Conforms |
Net content and allowable loss | Shall be comply with related regulations | Comply with related regualtions | Qualified |
Microbial Test | |||
Total aerobic microbial count / (CFU/g) | ≤1000 | ≤180 | Qualified |
Total moulds & yeasts / (CFU/g) | ≤50 | ≤10 | Qualified |
E.Coli | ≤0.3 | Negative | Qualified |
The Phosphatidylserine PS usaully used in the healthcare products.