Hyaluronic Acid (Food Grade)
|
Item
|
Standard
|
|
Appearance
|
White powder
|
|
Glucuronic Acid
|
≥ 44%
|
|
Sodium Hyaluronate
|
≥ 91%
|
|
Appearance of Solution
|
A600nm≤ 0.01
|
|
Nucleic Acid
|
A260nm≤ 0.5
|
|
pH
|
5.0-8.5
|
|
Molecular Weight
|
0.8 -1.5 Million Da.
|
|
Protein
|
≤0.1%
|
|
Loss on drying
|
≤10%
|
|
Residue on Ignition
|
≤20.00 %
|
|
Chlorides
|
≤ 0.5%
|
|
Iron
|
≤ 80ppm
|
|
Heavy metal
|
≤10ppm
|
|
Arsenic
|
≤2ppm
|
|
Bacteria Count
|
≤500CFU/G
|
|
Molds & Yeast
|
≤100CFU/g
|
|
|
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