期刊
INTERNATIONAL DAIRY JOURNAL
卷 57, 期 -, 页码 44-51出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.idairyj.2016.02.036
关键词
-
资金
- graduate school of science and technology at Aarhus University
The kappa-CN genetic variants A, B, and E were purified from milk from homozygous cows, using isoelectric precipitation followed by calcium precipitation and ion-exchange chromatography. The purified k-CN variants displayed varying degrees of glycosylation, and were furthermore differentially affected by in vitro gastrointestinal digestion. Both antioxidant and angiotensin 1-converting enzyme inhibitory capacity were significantly increased by digestion, with the antioxidant capacity of the E variant being significantly lower (p < 0.05) than that of the A and B variants. These results suggest that genetic polymophisms in bovine milk protein coding genes may be of significance for nutritional and health-related endpoints. (C) 2016 Elsevier Ltd. All rights reserved.
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