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Low molecular hyaluronic acid
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Test items
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Specifications
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Appearance
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white powder
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Solubility
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Soluble in water, insoluble in acetone and ethanol
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Glucuronic acid
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≥44%
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Sodium hyaluronate
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≥91%
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Light transmittance (0.1% Aqw. solution)
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A600nm≤ 0.01
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Nucleic acid (0.1% Aqw. solution)
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A260nm≤ 0.5
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pH (0.1% Aqw. solution)
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6.0-7.5
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Molecular weight
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8,000-15,000 Da.
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Protein
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≤0.05%
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Loss on drying
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≤10%
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Residue on Ignition
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≤20%
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Cl
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≤0.5%
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Fe
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≤80ppm
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Heavy metal
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≤20ppm
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As
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≤2ppm
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N
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3.0-4.0%
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Total number of bacteria
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≤10CFU/g
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Mold and yeast
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≤10CFU/g
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Staphylococcus aureus
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negative
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Pseudomonas aeruginosa
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negative
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Hemolysis
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negative
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Hemolytic streptococcus
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negative
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Product features :
Name of the original bacteria: Streptococcus zooepidemicus
Molecular weight (Dalton):
Minimum Molecular weight: 2000 Dalton
Low Molecular weight: 10,000-50,000 Dalton
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