Chondroitin sulfate is an acid mucopoly sacharide extracted from shark or bovine cartilage,it is a mixture consisted Chs A&C etc. used for auxiliary treatment of neural-headache,neuralgia, arthritis, Cardi_Vascular and Cerebro-vascular disease,hemi crania and be effective in reducing the blood lipid. The chondroitin sulfate can also? be used as addition in the foodstuff and the healthy products