We can supply chondroitin sulfate extracted from bovine cartilage, porcine cartilage and shark cartialge with different specifications.The two main specifications we supply is chondroitin sulfate 85% and chondroitin sulfate 90%.
Below is the COA of chondroitin sulfate shark for your reference.Chondroitin Sulfate
Assay: ≥90% Batch No.: HT-100259
| Test Items |
Specifications
|
Result
|
|
Appearance
|
Off-White Powder
|
Complies
|
|
Optical Rotation
|
(–12°) ~ (-20°)
|
–17.6°
|
|
Assay( by HPLC on dry basis)
|
≥90%
|
90.2%
|
|
Loss on drying
|
＜7%
|
6.8%
|
|
Protein
|
≤3.0%
|
2.53%
|
|
Residue on Ignition
|
20.0%~30.0%
|
25.6%
|
|
Chlorides
|
≤0.50%
|
0.48%
|
|
Sulphates
|
≤0.24%
|
0.22%
|
|
PH (1% Solution)
|
5.5 – 7.5
|
6.7
|
|
Heavy Metals
|
≤20ppm
|
Complies
|
|
Nitrogen
|
3.0~4.0%
|
3.6%
|
|
Arsenic
|
＜1ppm
|
Complies
|
|
Total plate count
|
＜1,000cfu/g
|
Complies
|
|
Yeast & Mold
|
＜100cfu/g
|
Complies
|
|
E. Coli
|
Negative
|
Negative
|
|
Salmonella
|
Negative
|
Negative
|
|
Conclusion
|
The results meet the standard USP30
|
|
|
Shelf Life
|
Three years
|
|