文献类型： 外文期刊
第一作者： Zhu, Dan
作者： Zhu, Dan;Hayman, Alan;Stewart, Ian;Frew, Russell;Kebede, Biniam;Chen, Gang
作者机构：
关键词： infant formula; phospholipid; P-31 nuclear magnetic resonance; multivariate data analysis
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.279； 五年影响因子：5.269 ）
ISSN： 0021-8561
年卷期： 2019 年 67 卷 36 期
页码：
收录情况： SCI
摘要： Infant formula (IF), regarded as the optimal substitute for human breast milk, is very important for infant growth and development. Phospholipids (PLs) are ubiquitous components of infant formula as they have good emulsifier properties in addition to their nutritional and biological functions. In this study, the PL contents in four different commercial IF brands (indicated as A, M, O, and IAT) were characterized and quantified using optimized P-31 NMR spectroscopy. PLs (nine) were identified and quantified, and among these, phosphatidylethanolamine and sphingomyelin occurred at lower concentrations (5.72 and 8.89 mg/100 g, respectively) in IFs from brand O, whereas phosphatidic acid was higher (2.83 mg/100 g) in IFs from brand W. In summary, P-31 NMR spectroscopy, combined with the multivariate data analysis, proved to be an effective analytical toolbox for evaluating the PL contents in IF and the comparative differences between IF brands.
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