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          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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