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<p>Lipids play pivotal roles in supplying energy and promoting gut health. While yak and buffalo milk are known for their high nutritional values, the lipid compositions of yak colostrum (YC) and buffalo colostrum (BC) remain poorly explored. Here, untargeted lipidomics were applied to analyze YC, BC, and cow colostrum (CC). 546, 353, and 417 differential lipids were identified in the comparisons of YC-CC, BC-CC, and YC-BC, respectively. Compared to CC, YC exhibited a higher content of C18:2, while BC was marked by lower levels of saturated fatty acids. Additionally, specific lipid biomarkers were identified: triacylglycerol (TG) (16:0_10:0_22:6), TG (4:0_12:3_16:0), TG (4:0_8:0_18:2), TG (6:0_6:0_22:6), TG (6:0_8:0_22:6), and TG (6:0_8:0_8:0) were more for YC, while ceramide (Cer) (d19:1_24:1), diacylglycerol (DG) (36:2), hexosyl ceramide (Hex1Cer) (d37:1), TG (40:2e), TG (4:0_12:0_18:2), and zymosteryl (ZyE) (24:7) were biomarkers for BC. These findings provide a theoretical basis for optimizing the use of colostrum in various applications.</p>

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Composition and structural characteristics of lipids in yak, buffalo, and cow colostrum based on untargeted lipidomics

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月23日

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  • Yuzhuo Wang,
  • Changhui Li,
  • Jiaxiang Huang,
  • Qingkun Zeng,
  • Ling Li,
  • Pan Yang,
  • Pengjie Wang,
  • Min Chu,
  • Jie Luo,
  • Fazheng Ren,
  • Hao Zhang

摘要

Lipids play pivotal roles in supplying energy and promoting gut health. While yak and buffalo milk are known for their high nutritional values, the lipid compositions of yak colostrum (YC) and buffalo colostrum (BC) remain poorly explored. Here, untargeted lipidomics were applied to analyze YC, BC, and cow colostrum (CC). 546, 353, and 417 differential lipids were identified in the comparisons of YC-CC, BC-CC, and YC-BC, respectively. Compared to CC, YC exhibited a higher content of C18:2, while BC was marked by lower levels of saturated fatty acids. Additionally, specific lipid biomarkers were identified: triacylglycerol (TG) (16:0_10:0_22:6), TG (4:0_12:3_16:0), TG (4:0_8:0_18:2), TG (6:0_6:0_22:6), TG (6:0_8:0_22:6), and TG (6:0_8:0_8:0) were more for YC, while ceramide (Cer) (d19:1_24:1), diacylglycerol (DG) (36:2), hexosyl ceramide (Hex1Cer) (d37:1), TG (40:2e), TG (4:0_12:0_18:2), and zymosteryl (ZyE) (24:7) were biomarkers for BC. These findings provide a theoretical basis for optimizing the use of colostrum in various applications.