Chemical Composition of Commercial Cow’s Milk,Journal of Agricultural and Food Chemistry

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Chemical Composition of Commercial Cow’s Milk
Journal of Agricultural and Food Chemistry ( IF 5.7 ) Pub Date : 2019-04-17 00:00:00 , DOI: 10.1021/acs.jafc.9b00204
Aidin Foroutan _{1,

2} , An Chi Guo ₁ , Rosa Vazquez-Fresno ₁ , Matthias Lipfert ₁ , Lun Zhang ₁ , Jiamin Zheng ₁ , Hasan Badran ₃ , Zachary Budinski ₃ , Rupasri Mandal ₁ , Burim N. Ametaj ₂ , David S. Wishart _{1,

3}

Affiliation

Bovine milk is a nutritionally rich, chemically complex biofluid consisting of hundreds of different components. While the chemical composition of cow’s milk has been studied for decades, much of this information is fragmentary and very dated. In an effort to consolidate and update this information, we have applied modern, quantitative metabolomics techniques along with computer-aided literature mining to obtain the most comprehensive and up-to-date characterization of the chemical constituents in commercial cow’s milk. Using nuclear magnetic resonance (NMR) spectroscopy, liquid chromatography–mass spectrometry (LC–MS), and inductively coupled plasma–mass spectrometry (ICP–MS), we were able to identify and quantify 296 bovine milk metabolites or metabolite species (corresponding to 1447 unique structures) from a variety of commercial milk samples. Through our literature analysis, we also found another 676 metabolites or metabolite species (corresponding to 908 unique structures). Detailed information regarding all 2355 of the identified chemicals in bovine milk have been made freely available through a Web-accessible database called the Milk Composition Database or MCDB (http://www.mcdb.ca/).

中文翻译：

商业牛奶的化学成分

牛乳是一种营养丰富，化学复杂的生物流体，由数百种不同成分组成。尽管对牛奶的化学成分进行了数十年的研究，但其中许多信息都是零碎的且过时的。为了巩固和更新这些信息，我们应用了现代的定量代谢组学技术以及计算机辅助文献挖掘技术，以获取最全面，最新的商业牛奶中化学成分的表征。使用核磁共振（NMR）光谱，液相色谱-质谱（LC-MS）和电感耦合等离子体-质谱（ICP-MS），我们能够鉴定和定量296种牛乳代谢产物或代谢产物种类（对应于1447个独特的结构），来自各种商业牛奶样品。通过我们的文献分析，我们还发现了另外676种代谢物或代谢物种类（对应于908个独特结构）。关于牛乳中所有2355种已查明化学物质的详细信息已通过称为牛奶成分数据库或MCDB（http://www.mcdb.ca/）的可通过Web访问的数据库免费提供。

更新日期：2019-04-17

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