Effect of high pressure on acid phosphatase in milk

被引:2
作者
Balci, AT [1 ]
Ledward, DA [1 ]
Wilbey, RA [1 ]
机构
[1] Univ Reading, Sch Food Biosci, Reading RG6 2AP, Berks, England
关键词
high pressure; acid phosphatase; milk; milk enzymes;
D O I
10.1080/08957950212435
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Acid phosphatase activity was measured in whole milk, skim milk, acid and rennet wheys before and after subjecting samples to high hydrostatic pressures for 10 min. Whole and skim milks exhibited a significant drop in activity following treatment at pressures in excess of 200 MPa. While rennet whey exhibited similar characteristics, acid whey was more pressure resistant and required pressures in excess of 500 MPa before exhibiting a net loss in activity Most of the activity was lost in the first 10 min of pressurisation.
引用
收藏
页码:639 / 642
页数:4
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