Size-dependent composition and in-situ structure analysis of the milk fat globule membrane in buffalo milk

被引:0
|
作者
Wang, Yi [1 ,2 ]
Guo, Mengyuan [2 ,3 ]
Wu, Peipei [2 ,4 ]
Chen, Chong [2 ]
Zhang, Weibo [2 ]
Ren, Fazheng [2 ,3 ]
Wang, Pengjie [2 ]
Wu, Shouyun [5 ]
Wei, Jianhuan [5 ]
Luo, Jie [3 ,4 ]
Yu, Jinghua [1 ]
机构
[1] Tianjin Univ Sci & Technol, Coll Food Sci & Engn, Tianjin 300457, Peoples R China
[2] China Agr Univ, Dept Nutr & Hlth, Beijing 100083, Peoples R China
[3] China Agr Univ, Coll Food Sci & Nutr Engn, Key Lab Funct Dairy, Coconstructed Minist Educ & Beijing Govt, Beijing 100083, Peoples R China
[4] Hunan Agr Univ, Coll Food Sci & Technol, Changsha 410114, Peoples R China
[5] Guangxi Baifei Dairy Co Ltd, Qinzhou 535400, Guangxi, Peoples R China
基金
中国国家自然科学基金;
关键词
MFGM proteins; Polar lipids; In-situ structure; Different-sized fat globules; Buffalo milk; Orbitrap astral mass analyzer; LIPID-COMPOSITION; PROTEINS;
D O I
10.1016/j.foodchem.2024.141766
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
This study provides insights into the composition and in-situ structures of the milk fat globule membrane (MFGM) in buffalo milk with different fat globule sizes (0.55 mu m and 8.04 mu m). Small fat globules contained a higher amount of MFGM proteins and polar lipids, while the content of MFGM components (except for ADPH) was greater per unit membrane area in large fat globules. A total of 386 differentially expressed proteins were identified, with many of the most differentially expressed proteins being associated with human diseases, such as cancer and elderly diseases. The coverage of sphingomyelin and certain MFGM proteins (BTN and PAS 6/7) on large fat globules was higher, potentially linked to the presence of larger, irregular lipid rafts and patch-shaped glycocalyxes, respectively. These findings suggest that small fat globules are suitable for nutritional fortification of buffalo milk, while large fat globules are appropriate for the preparation of functional dairy-based ingredients.
引用
收藏
页数:11
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