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首页> 外文期刊>Journal of dairy research >Untargeted lipidomics of ovine milk to analyse the influence of different diet regimens
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Untargeted lipidomics of ovine milk to analyse the influence of different diet regimens

机译：绵羊牛奶的未标准脂质学分析不同饮食方案的影响

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摘要

In this work we report a lipidomics approach to study the effects of two diet systems on the composition of ovine milk. Milk from two groups of Sarda sheep grazing on 40% (P40) and 60% (P60) of pasture were analyzed by a UHPLC-QTOF-MS analytical platform and data submitted to multivariate statistical analysis. Pairwise partial least square discriminant analysis of the lipid profile of the data was carried out to classify samples and to find discriminant lipids. The two dietary groups were characterized by differences in triacylglycerols, phospho-cholines and phosphatidylethanolamines levels. Discriminants of the P40 group were TG and PC containing in their backbone saturated medium chain FA thus suggesting greater de novo fatty synthesis in the mammary gland. On the other hand, the P60 group was characterized by TG and PC formed by unsaturated long chain FA originating from the diet or from lipid mobilization.
机译：在这项工作中，我们报告了一种脂质化学方法来研究两种饮食系统对羊乳组成的影响。 通过UHPLC-QTOF-MS分析平台和提交给多变量统计分析的数据分析来自两组SARDA绵羊放牧牧场的牛奶和牧场的牧场。 对数据的脂质分布的成对局部最小二乘判别分析进行了分类样品并找到判别脂质。 两种膳食基团的特征在于三酰基甘油，磷酸核和磷脂酰乙醇胺水平的差异。 P40组的判别是Tg和含有其骨干饱和介质链Fa的PC，因此表明乳腺中的更大的Novo脂肪合成。 另一方面，P60组的特征在于由由不饱和的长链FA形成的TG和PC，来自饮食或脂质动员。

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  • 来源
    《Journal of dairy research》 |2021年第3期|261-264|共4页
  • 作者

    Cristina Manis; Margherita Addis; Maria Sitzia; Paola Scano; Viviana Garau; Andrea Cabiddu; Marco Caredda; Antonio Pirisi; Antonio Pulina; Pierpaolo Roggero; Pierluigi Caboni;

  • 作者单位

    Dipartimento di Scienze della Vita e dell'Ambiente Cittadella Universitaria di Monserrato 09042 Monserrato Italy;

    Agris Sardegna Servizio Ricerca Prodotti di Origine Animate Loc. Bonassai 07040 Olmedo Italy;

    Agris Sardegna Servizio Ricerca Prodotti di Origine Animate Loc. Bonassai 07040 Olmedo Italy;

    Dipartimento di Scienze della Vita e dell'Ambiente Cittadella Universitaria di Monserrato 09042 Monserrato Italy;

    Dipartimento di Chimica e Farmacia Scuola di specializzazione in Farmacia Ospedaliera Universita di Sassari via Muroni 23a 07100 Sassari Italy;

    Agris Sardegna Servizio Ricerca Prodotti di Origine Animate Loc. Bonassai 07040 Olmedo Italy;

    Agris Sardegna Servizio Ricerca Prodotti di Origine Animate Loc. Bonassai 07040 Olmedo Italy;

    Agris Sardegna Servizio Ricerca Prodotti di Origine Animate Loc. Bonassai 07040 Olmedo Italy;

    Dipartimento di Agraria and Nucleo di Ricerca sulla Desertificazione Universita di Sassari viale Italia 39A 07100 Sassari Italy;

    Dipartimento di Agraria and Nucleo di Ricerca sulla Desertificazione Universita di Sassari viale Italia 39A 07100 Sassari Italy;

    Dipartimento di Scienze della Vita e dell'Ambiente Cittadella Universitaria di Monserrato 09042 Monserrato Italy;

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

    Animal diet management; discriminant analysis; lipidomics; mass spectrometry;

    机译：动物饮食管理;判别分析;脂族学;质谱;

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