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首页> 外文期刊>Food Chemistry >Buffalo vs. cow milk fat globules: Size distribution, zeta-potential, compositions in total fatty acids and in polar lipids from the milk fat globule membrane
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Buffalo vs. cow milk fat globules: Size distribution, zeta-potential, compositions in total fatty acids and in polar lipids from the milk fat globule membrane

机译：水牛vs.牛奶脂肪球：牛奶脂肪球膜的大小分布，ζ电位，总脂肪酸和极性脂质中的成分

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摘要

Although buffalo milk is the second most produced milk in the world, and of primary nutritional importance in various parts of the world, few studies have focused on the physicochemical properties of buffalo milk fat globules. This study is a comparative analysis of buffalo and cow milk fat globules. The larger size of buffalo fat globules, 5 vs. 3.5 μm, was related to the higher amount of fat in the buffalo milks: 73.4 ± 9.9 vs. 41.3 ± 3.7 g/kg for cow milk. Buffalo milks contained significantly lower amount of polar lipids expressed per gram of lipids (0.26% vs. 0.36%), but significantly higher amount of polar lipids per litre of milk (+26%). Buffalo and cow milk fat globule membranes contain the same classes of polar lipids; phosphatidylethanolamine, sphingomyelin (SM) and phosphatidylcholine (PC) being the main constituents. A significant higher percentage of PC and lower percentage of SM were found for buffalo milks. The fatty acid analysis revealed that saturated fatty acids, mainly palmitic acid, trans fatty acids, linolenic acid (ω3) and conjugated linolenic acid were higher in buffalo milk than in cow milk. Such results will contribute to the improvement of the quality of buffalo milk-based dairy products.
机译：尽管水牛乳是世界上产量第二高的牛奶，并且在世界各地具有重要的营养意义，但很少有研究关注水牛乳脂肪球的理化特性。这项研究是对水牛和牛奶脂肪球的比较分析。水牛脂肪球较大，分别为5和3.5μm，这与水牛乳中脂肪的含量较高有关：牛奶为73.4±9.9，而牛奶为41.3±3.7 g / kg。水牛乳中每克脂类所表达的极性脂质含量明显较低（0.26％对0.36％），但每升乳汁中所含的极性脂质含量显着较高（+ 26％）。水牛和牛乳脂肪小球膜含有相同种类的极性脂质。磷脂酰乙醇胺，鞘磷脂（SM）和磷脂酰胆碱（PC）是主要成分。水牛乳中PC的百分比明显较高，SM的百分比较低。脂肪酸分析表明，水牛乳中的饱和脂肪酸，主要是棕榈酸，反式脂肪酸，亚麻酸（ω3）和共轭亚麻酸，比牛奶中的脂肪酸高。这样的结果将有助于改善水牛乳基乳制品的质量。

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  • 来源
    《Food Chemistry》 |2010年第2期|544-551|共8页
  • 作者

    Olivia Menard; Sarfraz Ahmad; Florence Rousseau; Valerie Briard-Bion; Frederic Gaucheron; Christelle Lopez;

  • 作者单位

    INRA, AGROCAMPUS OUEST, UMR 1253 Science et Technologie du Lait et de l'Oeuf, F-35042 Rennes, France;

    INRA, AGROCAMPUS OUEST, UMR 1253 Science et Technologie du Lait et de l'Oeuf, F-35042 Rennes, France;

    INRA, AGROCAMPUS OUEST, UMR 1253 Science et Technologie du Lait et de l'Oeuf, F-35042 Rennes, France;

    INRA, AGROCAMPUS OUEST, UMR 1253 Science et Technologie du Lait et de l'Oeuf, F-35042 Rennes, France;

    INRA, AGROCAMPUS OUEST, UMR 1253 Science et Technologie du Lait et de l'Oeuf, F-35042 Rennes, France;

    INRA, AGROCAMPUS OUEST, UMR 1253 Science et Technologie du Lait et de l'Oeuf, F-35042 Rennes, France;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    milk fat globule membrane; sphingomyelin; phospholipids; fatty acid composition; buffalo milk;

    机译：乳脂小球膜;鞘磷脂磷脂;脂肪酸组成;水牛牛奶;

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