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NAME Bovine Chondroitin Sulfate – USP31
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Test
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Specification
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Result
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USP Reference Standard
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USP Chondroitin Sulfate Sodium Reference Standard |
Complie
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Appearance
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White or Almost White |
Fine white |
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Assay(USP method on dried basis)
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90.0%-105.0%
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90.90%
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Loss on Drying(105oC for 4hours) |
≤10.0%
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9.4%
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Clarity and Color of Solution(absorbance) |
≤0.35@420nm
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≤0.15@420nm
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Residue on Ignition(on dried basis)
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20.0%-30.0%
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24.20%
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Specific Rotation
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-12.0o – -20.0o. |
-18.5o
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PH(1% solution)
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5.5-7.5
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6.5
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Chloride
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≤0.50%
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0.40%
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Sulfate
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≤0.24%
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0.24%
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Heavy Metals(Method II)
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≤20 ppm
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≤20 ppm
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Lead
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≤0.5 ppm
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≤0.5 ppm
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Arsenic(As)
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≤2.0 ppm
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≤0.2 ppm
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Limit of Protein(on dried basis)
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≤6.0%
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3.0%
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Bulk Density
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≥0.6g/ml
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0.7g/ml
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Particle Size
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100% Through 80mesh
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100% Through 100mesh
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Molecular Weight
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30,000Da-50,000Da
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43,300Dalton
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Microbial Enumeration
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Total Bacterial Count
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≤1,000cfu/g
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<100cfu/g
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Yeast & Mold
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≤100cfu/g
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<20cfu/g
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Salmonella
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Absent
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Absent
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S.aureus
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Absent
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Absent
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E.coli
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Absent
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Absent
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Pseudomonas Aeruginosa
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Absent
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Absent
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Condition: It meets the requirement of USP31 |
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Packing and Storage: Store in tight,light-resistant containers under 25℃ |
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