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Improved method for production of chitin and chitosan from shrimp shells. 2020

Trang Si Trung, and Le Huyen Tram, and Nguyen Van Tan, and Nguyen Van Hoa, and Nguyen Cong Minh, and Phan Thanh Loc, and Willem F Stevens
Nha Trang University, 02 Nguyen Dinh Chieu, Nha Trang, Viet Nam. Electronic address: trungts@ntu.edu.vn.

In this study, pretreatment procedures have been investigated preceding the standard production of chitin and chitosan. These steps can be used in industrial processes to preserve raw shrimp shells as long as the amount of material is not enough for one production batch. After these treatments, shrimp shells are clean and are facile for further demineralization, deproteinization and deacetylation processes. The prepared chitin and chitosan show a high purity with very low ash (less than 0.3%) and protein residues (less than 0.5%), along with their high molecular weight and high crystallinity. This modified approach has potential for application in large-scale production due to its ease of operation and reduction of environmental concerns.

UI MeSH Term Description Entries
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D002236 Carbohydrate Conformation The characteristic 3-dimensional shape of a carbohydrate. Carbohydrate Linkage,Carbohydrate Conformations,Carbohydrate Linkages,Conformation, Carbohydrate,Conformations, Carbohydrate,Linkage, Carbohydrate,Linkages, Carbohydrate
D002686 Chitin A linear polysaccharide of beta-1->4 linked units of ACETYLGLUCOSAMINE. It is the second most abundant biopolymer on earth, found especially in INSECTS and FUNGI. When deacetylated it is called CHITOSAN.
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D048271 Chitosan Deacetylated CHITIN, a linear polysaccharide of deacetylated beta-1,4-D-glucosamine. It is used in HYDROGEL and to treat WOUNDS. Poliglusam
D060105 Animal Shells The hard rigid covering of animals including MOLLUSCS; TURTLES; INSECTS; and crustaceans. Animal Exoskeleton,Carapace,Seashells,Animal Exoskeletons,Animal Shell,Carapaces,Exoskeleton, Animal,Exoskeletons, Animal,Seashell,Shell, Animal,Shells, Animal
D033561 Penaeidae A family of CRUSTACEA, order DECAPODA, comprising the penaeid shrimp. Species of the genus Penaeus are the most important commercial shrimp throughout the world. Metapenaeus,Penaeus,Shrimp, Penaeid,Penaeid Shrimp,Penaeid Shrimps,Shrimps, Penaeid

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