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Application of a continuous immobilized lactase reactor to concentrated wheys and permeates

Application of a continuous immobilized lactase reactor to concentrated wheys and permeates

XXI International Dairy Congress Vol 1, Book 2: 480

A Corning fixed bed immobilized lactase (120 IU activity/g at 30 deg C) reactor was used to hydrolyse wheys and permeates of 5-25% TS. In permeates of 25% TS, 80% of lactose was hydrolysed at flow rate 24 ml/min vs. 130 ml/min for unconcentrated permeates. In concentrated whey (26% TS) containing protein, 62% of lactose was hydrolysed at 20 ml/min vs. 83% in similar whey without protein.

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