OBTENTION AND CHARACTERISATION OF CHITOSAN FROM SHRIMP SHELLS

• Main Authors: EVA AGUILA ALMANZA, HERIBERTO HERNANDEZ COCOLETZI
• Format: Patent
• Language: English; Spanish
• Published: 12.12.2011
• Subjects: BEER; BIOCHEMISTRY; CHEMISTRY; ENZYMOLOGY; FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE; FOODS OR FOODSTUFFS; HUMAN NECESSITIES; METALLURGY; MICROBIOLOGY; MUTATION OR GENETIC ENGINEERING; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS; PROTEIN COMPOSITIONS FOR FOODSTUFFS; SPIRITS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; VINEGAR; WINE; WORKING-UP PROTEINS FOR FOODSTUFFS

The present invention relates to a process for obtaining chitosan from shrimp shells, which is characterised in that it comprises the following steps: a) collecting raw shrimp shells from seafood restaurants, b) drying , pulverizing and sieving the same, c) demineralisation with HCl, d) deprotenisation with NaOH, and e) deacetylation with NaOH. La presente invención es relativa a un proceso para la obtención de quitosano a partir de exoesqueletos de camarón, caracterizado porque comprende las siguientes etapas: a) recolección de exoesqueletos de camarón no cocidos obtenidos en restaurantes de mariscos, b) secado, pulverización y tamizado, c) desmineralización con HCl, d) desproteinización con NaOH, y e) desacetilación con NaOH.