Test items Standard Result
Appearance White powder White powder
Hyaluronic acid í²95% 95.5%
Glucuronic acid í²44% 45.3%
Molecular weight í²1.0 x 106 1.30 x 106
Ph 5.0-8.5 6.8
Loss on drying <10% 9.2%
Protein ín0.1% 0.08%
Nitrogen 2.0-3.0% 2.0%
Heavy metal <20ppm Complies
Bacterial counts <1000cfu/g Complies
Mold and yeast
<100cfu/g Complies
Shelf life Two years
Conclusion The results meet the standard
Foil bag/kg, fiber drum/25kg
Test items Standard Result
Appearance White powder White powder
Hyaluronic acid í²95% 99.5%
Glucuronic acid í²42% 43%
Molecular weight í²1.0 x 106 1.35 x 106
Ph 6.0-7.5 6.8
Solution transmittance í²99.0% Complies
Loss on drying <10% 9.2%
Particle size 0.15-0.25 Complies
Protein ín0.1% 0.05%
Heavy metal <10ppm Complies
Bacterial counts <100cfu/g Complies
Mold and yeast <10cfu/g Complies
Staphylococcus aureus Can not be checkout
Chlorop seu domonas Can not be checkout
Shelf life Two years
Conclusion The results meet the standard
Foil bag/kg, fiber drum/25kg
Test items Standard Result
Appearance White powder White powder
Hyaluronic acid í²95% 95.5%
Glucuronic acid í²44% 45.3%
Molecular weight í²1.0 x 106 1.30 x 106
Ph 5.0-8.5 6.8
Loss on drying <10% 9.2%
Protein ín0.1% 0.08%
Nitrogen 2.0-3.0% 2.0%
Heavy metal <20ppm Complies
Bacterial counts <1000cfu/g Complies
Mold and yeast
<100cfu/g Complies
Shelf life Two years
Conclusion The results meet the standard
Foil bag/kg, fiber drum/25kg
