CAS No.: | 25513-46-6 |
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Formula: | (C5h7no3)N |
Packaging Material: | Paper |
Storage Method: | Normal |
Shelf Life: | >12 Months |
Nutrient Composition: | Mineral |
Samples: |
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Customization: |
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While they're both effective hydrators, polyglutamic acid has better performance and additional benefits to moisturize that hyaluronic acid does not have.Depending on the source, polyglutamic acid holds 4,000-5,000 times its weight in water. Hyaluronic acid is usually cited as 1,000 times its weight in water.
ITEM | SPECIFICATION |
Appearance | White to off-white powder |
Assay (Na+-PGA) | ≥2.5% |
Intrinsic viscosity, [η]/(dL/g) | 0.1~5.0 |
LD(Loss on Drying) | 10% max |
pH (1% solution) | 5.0~7.5 |
Clarity, OD400 (4% aq. sol'n,400nm) | 0.13 max |
Heavy metals (total as Pb, mg/kg) | 20 ppm max |
TPC (cfu/g) | 100 max |
E.coli | Negative in 25g |
Salmonella | Negative in 25g |
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