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Casein hydrolysate. I. Continuous production using enzyme bioreactors

Authors
Journal
Food Hydrocolloids
0268-005X
Publisher
Elsevier
Publication Date
Volume
5
Issue
6
Identifiers
DOI: 10.1016/s0268-005x(09)80124-0
Disciplines
  • Biology

Abstract

Abstract Proteolytic enzymes were immobilized onto suitable carriers with the objective of standardizing stable immobilized-enzyme (IME) bioreactors to hydrolyze casein continuously. Papain, trypsin, chymotrypsin, pancreatin, Rhozyme-41, chymosin, plasmin and Pronase E were immobilized either on aminopropyl-glass beads (pore size, 500 Å, 200–400 mesh) or PEI-silica, Dowex MSC-1, Dowex MR-3C, Dowex SBR-P, crosslinked with glutaraldehyde (3%, v/v). Papain, trypsin, chymotrypsin and Rhozyme-41 immobilized onto aminopropyl- (AP-) glass beads were stable in batch or continuous stirred tank reactor. Peptides were different for the various enzymes; IM-papain, trypsin, and Rhozyme-41 extensively hydrolyzed casein within 30 min, whereas IM-chymotrypsin was slower and gave fewer peptides.

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