Nihar Ranjan Kar
Chitosan is a biopolymer acquired from chitin, one of the most plentiful and inexhaustible material on Earth. Chitin is an essential segment of cell dividers in growths, the exoskeletons of arthropods, for example, shellfish, for example crabs, lobsters and shrimps, and creepy crawlies, the radulae of molluscs, cephalopod bills, and the sizes of fish and lissamphibians. The disclosure of chitin in 1811 is credited to Henri Braconnot while the historical backdrop of chitosan goes back to 1859 with crafted by Charles Rouget. The name of chitosan was, in any case, presented in 1894 by Felix Hoppe-Seyler. In view of its specific macromolecular structure, biocompatibility, biodegradability and other characteristic practical properties, chitosan has pulled in major logical and mechanical interests from the last part of the 1970s. Chitosan and its subordinates have viable applications in food industry, horticulture, drug store, medication, cosmetology, material and paper businesses, and science. Over the most recent twenty years, chitosan has additionally gotten a lot of consideration in various different fields, for example, dentistry, ophthalmology, biomedicine and bio-imaging.
