脂类学
甘油磷酯
鞘磷脂
甘油磷脂
牦牛
不饱和度
鞘脂
化学
特征(语言学)
计算生物学
脂质体
生物化学
脂质代谢
色谱法
食品科学
生物
磷脂
动物科学
语言学
哲学
膜
作者
Weili Li,Xiaodong Guo,Chengxue Zhang,Ning Wang,Shouxin Zhang,Wuzhi Chen,Tao Wu
出处
期刊:Food Chemistry
[Elsevier]
日期:2023-03-01
卷期号:403: 134352-134352
被引量:11
标识
DOI:10.1016/j.foodchem.2022.134352
摘要
Yak shanks and flanks are often used as food ingredients, but the lipid composition of these two parts may differ significantly. These meat parts were subjected to a lipidomics analysis using UHPLC-Q-Obitrap. Several computational tools, including feature-based molecular networks, ms-dial, and lipidone, were used to perform deep mining on the entire dataset. The analysis annotated 355 lipid species from 20 subclasses. Lipid chains have a length distribution of 16 to 20 carbons, with unsaturation ranging from 0 to 5. The results revealed that 71 lipids were significantly different in these muscles, including phosphatidylethanolamines (PEs) (16:0/20:4), PEs (18:0/19:1), PEs (18:1/22:5), sphingomyelins (SMs) (36:2; 3O), and carnitines (CARs) (22:0). Furthermore, the metabolic pathways of glycerophospholipids and sphingolipids act as important roles in the differences of these lipid components. This study obtained a comprehensive lipid profile, which is critical for understanding the precise nutritional differences in different yak meat sections.
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