Journal
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
Volume 79, Issue 4, Pages 421-425Publisher
WILEY-BLACKWELL
DOI: 10.1002/jctb.990
Keywords
shrimp shells; protein recovery; pretreatment; chitin production
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Pretreatment of shrimp shells was investigated in order to lower the costs and to improve the sustainability of chitin production. Physical pretreatment comprising drying, grinding and sieving is attractive for the recovery of 50% of shrimp protein as a dry powder. Pretreatment of shells by shearing in acidified water results in the removal of up to 60% of the protein and a reduction of their mineral content without a decrease in the chitin yield. Both pretreatment procedures will lead to cleaner technology for chitin production, to a considerably lower need for chemicals, to useful protein by-products, and to less-contaminated industrial effluent. (C) 2004 Society of Chemical Industry.
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