Abstract

Abstract Novel food processing techniques would always be pursuits of researchers and food industry to avoid unfavorable thermal effects, especially in dairy and milk processing. In this study, effects of high pressure carbon dioxide (HPCD) on the activity of alkaline phosphatase (ALP) and main quality indices of raw bovine milk at 20 MPa using a batch system were investigated. A complete inactivation of ALP activity as exposure to HPCD treatment at 50 °C and 20 MPa for 50 min was observed. The protein and lactose content of HPCD-treated bovine milk hold steady, while pH value and total solids content decreased, turbidity and average particle size increased significantly (p

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