Hyaluronic acid powder

Item

HA cosmetic grade

HA food grade

Glucuronic acid

≥44%

≥44%

Sodium hyaluronate

≥91%

≥91%

1% water solution)

6.0-7.5

6.0-7.5

Transparency

≥99%

≥99%

Loss on drying

≤10%

≤10%

Molecular weight

(0.8~1.5) x 106

(0.8~1.5) x 106

Protein

≤0.1%

≤0.1%

Heavy Metals(as Pb)

≤20ug/g

≤20ug/g

Bacteria counts

<10CFU/g

<100CFU/g

Mold&Yeast

<10CFU/g

<100CFU/g

Stlococcus aureus

Negative

Negative

Pseudomonas aeruginosa

Negative

Negative