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Fatty acid profiles of milk from Holstein cows, Jersey cows, buffalos, yaks, humans, goats, camels, and donkeys based on gas chromatography-mass spectrometry

文献类型： 外文期刊

作者： Wang, Fengen 1 ; Chen, Meiqing 2 ; Luo, Runbo 2 ; Huang, Guoxin 2 ; Wu, Xufang 2 ; Zheng, Nan 2 ; Zhang, Yangdong 2 ; Wang, Jiaqi 1 ;

作者机构： 1.Xinjiang Agr Univ, Coll Anim Sci, Urumqi 830091, Peoples R China

2.Chinese Acad Agr Sci, Inst Anim Sci, Minist Agr & Rural Affairs, Key Lab Qual & Safety Control Milk & Dairy Prod, Beijing 100193, Peoples R China

3.Shandong Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Jinan 250100, Peoples R China

4.Chinese Acad Agr Sci, Inst Anim Sci, Minist Agr & Rural Affairs, Lab Qual & Safety Risk Assessment Dairy Prod, Beijing 100193, Peoples R China

关键词： milk fatty acid; nonruminant; ruminant; Key fatty acid; gas chromatography-mass spectrometry

期刊名称：JOURNAL OF DAIRY SCIENCE （ 影响因子：4.034； 五年影响因子：4.354 ）

ISSN： 0022-0302

年卷期： 2022 年 105 卷 2 期

页码：

收录情况： SCI

摘要： Due to the diversity and limitation of determination methods, published data on the fatty acid (FA) com-positions of different milk samples have contributed to inaccurate comparisons. In this study, we developed a high-throughput gas chromatography-mass spectrom-etry method to determinate milk FA, and the proposed method had satisfactory linearity, sensitivity, accuracy, and precision. We also analyzed the FA compositions of 237 milk samples from Holstein cows, Jersey cows, buffalos, yaks, humans, goats, donkeys, and camels. Holstein, Jersey, goat, and buffalo milks contained high content of even-chain saturated FA, whereas goat milk had higher content of medium-and short-chain FA (MSCFA). Yak and camel milk are potential functional foods due to their high levels of odd-and branched-chain FA and low ratios of n-6 to n-3 polyunsaturated FA (PUFA). Human milk contained lower levels of saturated FA, MSCFA, and conjugated linoleic acid, and higher levels of monounsaturated FA and PUFA. As a special nonruminant milk, donkey milk contained low levels of monounsaturated FA and high levels of PUFA and MSCFA. Based on the FA profiles of 8 types of milk, nonruminant milk was distinct from ruminant milk, whereas camel and yak milk were different from other ruminant milks and considered as potential func-tional foods for balanced human diet.

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