期刊
FOOD CHEMISTRY
卷 221, 期 -, 页码 1822-1827出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.10.097
关键词
MFGM; iTRAQ; Proteins; Yak; Cow
Milk fat globule membrane (MFGM) is an important milk component which is rich in bioactive proteins. In this work, the isobaric tags for relative and absolute quantitation (iTRAQ) proteomic approach was used to investigate the differences in the MFGM proteins between yak and cow milk. Over 450 proteins were identified between the yak and cow MFGM. The MFGM proteins with significant differences were compared based on the relative abundance. Proteins such as Glycosylation-dependent cell adhesion molecule 1 (GlyCAM1), CD59 molecule and lactadherin, were identified having a much higher abundance (4.6-10.1 fold) in yak MFGM than cow MFGM. These proteins are thought to have biological functions such as the antimicrobial and antitumor effects. This may be due to the need that yak produces high nutritive milk including high levels of bioactive compounds in order to resist the extreme high altitude environment. (C) 2016 Elsevier Ltd. All rights reserved.
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