عنوان مقاله [English]
Sea is one of the great resources of food stuffs, chemials and industrial material. Shrimp, Crab and Lobster having a good taste and Iots of protein are among the most saught after organism. Iran enjoys a vast expand of water bodies including Caspian Sea, Oman Sea and Persian Gulf coasts as well as inland waters. Every year a large quantity of aquatic organisms are being captured in Iran. Chitin is the second most important polysaccharide found in by - products after cellulose, This compound is easily extracted within two stages of demineralization anti deproteinzation with 10 - 30% efficiency. Chitin is being used in textiles, paper mills and medical industries to manurufactture better quality good. In photography, food industries, pharmcology, chromatography and agricultre, chitin has a very important usage. Chitin is the primary material for synth its of chitosan and glucosamine, both of which have industrial, chemical and pharmaceutical usage. Up to now, more than 300 uses. ha.....