Porcine chondroitin sulfuric acid

|
Testing item
|
Specification
|
|
Appearance
|
White or almost white powder
|
|
Smell
|
Special
|
|
Smell
|
Special
|
|
Content
|
≥90%
|
|
Specific optical rotation
|
-20°- -30°
|
|
Protein
|
≤6%
|
|
PH (1% aqueous solution)
|
5.5-7.5
|
|
Weight loss on drying
|
≤10%
|
|
Ignition residue
|
20%-30%
|
|
Chlorine
|
≤0.5%
|
|
Sulphur
|
≤0.24%
|
|
Heavy metal
|
≤20ppm
|
|
Arsenic
|
≤2ppm
|
|
Lead
|
≤1ppm
|
|
Mercury
|
≤1ppm
|
|
Cadmium
|
≤1ppm
|
|
Total bacterial count
|
≤10000cfu/g
|
|
Mucedine and saccharomycetes
|
≤100cfu/g
|
|
Escherichia coli
|
Negative
|
|
Salmonella
|
Negative
|
Product features:
Raw material: Porcine Cartilage
Testing method: High Performance Liquid Chromatography

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