PROCESS FOR STABILIZING PROTEIN IN ACIDIC ENVIRONMENT WITH PECTIN HIGH-ESTER

摘要

PROBLEM TO BE SOLVED: To provide a process for stabilizing a protein in an acidic environment without the bad effects given on the viscosity even by the environment.

SOLUTION: The process comprises the following steps: (a) a step for adding a purified PME (pectin methyl esterase) enzyme capable of block-wise enzymically de-esterifying a pectin to the pectin not previously treated with an enzyme polygalacturonase to substantially reduce the length of the pectin skeleton; (b) a step for preparing the block-wise enzymically de-esterified pectin from the pectin by the purified PME capable of block-wise enzymically de-esterifying the pectin; (c) a step for adding the block-wise enzymically de-esterified pectin to the acidic environment containing at least one protein; and (d) a step for stabilizing the protein by the block-wise enzymically de-esterified pectin.

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