Chondroitin Sulfate is a naturally occurring compound found in the cartilaginous tissues of many invertebrates. It is used as a dietary supplement to support cartilaginous tissues and combat various forms of arthritis in humans and animals.

Our products got excellent scores on the test of HPLC Enzymatic.

Test Items	Specifications	Result
Appearance	Fine White Powder	Fine White Powder
Solubility (1% H2O)	Clear Solution	Clear
Optical Rotation	(¨C20¡ã) ~ (-30¡ã)	¨C27.4¡ã
Assay	¡Ý90%	91.10%
Bulk density	0.5-0.6g/cm3	0.56g /cm3
PH (1% H2O)	5.5~7.5	6.82
Loss on drying	£¼10%	9.2%
Protein	¡Ü3.5%	3.2%
Residue on Ignition	20.0%~30.0%	24.2%
Sulfur	5.5%~7.5%	6.87%
Heavy Metals	¡Ü20ppm	20ppm
Nitrogen	2.5%~3.5%	2.5%
Chloride	¡Ü0.5%	0.1%
Arsenic	£¼2ppm	2ppm
Total plate count	£¼1,000CFU/G	1,00CFU/G
Yeast & Mold	£¼100CFU/G	80CFU/G
E.Coli	Negative	Negative
Salmonella	Negative	Negative
Conclusion	ConformUSP 30
Shelf Life	Three Years