Time-temperature relationships were developed for heat inactivation of alkaline phosphatase in pooled human milk and colostrum. Heat inactivation of the enzyme in human milk proceeds at the same rate as in cows' milk. The heat sensitivity of the enzyme is slightly greater in human colostrum than in human milk.

This content is only available as a PDF.

Author notes

1 Technical Article No. 30588 of the Texas Agricultural Experiment Station, College Station, TX. Research supported by Subcontract No. N01 HD-8-2828 with the National Institute of Child Health and Human Development, Department of Health, Education and Welfare.

2 Texas A&M University.

3 Baylor College of Medicine.