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首页> 外文期刊>European journal of clinical nutrition >Fatty acid and sn-2 fatty acid composition in human milk from Granada (Spain) and in infant formulas.
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Fatty acid and sn-2 fatty acid composition in human milk from Granada (Spain) and in infant formulas.

机译：西班牙格拉纳达的母乳和婴儿配方食品中的脂肪酸和sn-2脂肪酸组成。

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OBJECTIVE: To investigate differences in fatty acid and sn-2 fatty acid composition in colostrum, transitional and mature human milk, and in term infant formulas. SETTING: Departament de Nutricio i Bromatologia, University of Barcelona, Spain and University Hospital of Granada, Spain. SUBJECTS: One-hundred and twenty mothers and 11 available types of infant formulas for term infants. DESIGN: We analysed the fatty acid composition of colostrum (n=40), transitional milk (n=40), mature milk (n=40) and 11 infant formulas. We also analysed the fatty acid composition at sn-2 position in colostrum (n=12), transitional milk (n=12), mature milk (n=12), and the 11 infant formulas. RESULTS: Human milk in Spain had low saturated fatty acids, high monounsaturated fatty acids and high linolenic acid. Infant formulas and mature human milk had similar fatty acid composition. In mature milk, palmitic acid was preferentially esterified at the sn-2 position (86.25%), and oleic and linoleic acids were predominantly esterified at the sn-1,3 positions (12.22 and 22.27%, respectively, in the sn-2 position). In infant formulas, palmitic acid was preferentially esterified at the sn-1,3 positions and oleic and linoleic acids had higher percentages at the sn-2 position than they do in human milk. CONCLUSION: Fatty acid composition of human milk in Spain seems to reflect the Mediterranean dietary habits of mothers. Infant formulas resemble the fatty acid profile of human milk, but the distribution of fatty acids at the sn-2 position is markedly different. SPONSORSHIP: This study was supported by a research grant from the Spanish Technological and Industrial Development Centre (CDTI) of the Ministry of Education and Science, working in collaboration with Laboratorios Ordesa S.L., Spain. doi:10.1038/sj.ejcn.1601470
机译：目的：研究初乳，过渡性和成熟人乳以及足月婴儿配方食品中脂肪酸和sn-2脂肪酸组成的差异。地点：西班牙巴塞罗那大学营养学系和西班牙格拉纳达大学医院。受试者：一百二十个母亲和11种可供选择的足月婴儿配方奶粉。设计：我们分析了初乳（n = 40），过渡乳（n = 40），成熟乳（n = 40）和11种婴儿配方食品的脂肪酸组成。我们还分析了初乳（n = 12），过渡乳（n = 12），成熟乳（n = 12）和11种婴儿配方奶粉中sn-2位置的脂肪酸组成。结果：西班牙的人乳中低饱和脂肪酸，高单不饱和脂肪酸和高亚麻酸。婴儿配方食品和成熟的人乳具有相似的脂肪酸组成。在成熟的牛奶中，棕榈酸优先在sn-2位置被酯化（86.25％），油酸和亚油酸主要在sn-1,3位置被酯化（分别在sn-2位置为12.22％和22.27％）。 ）。在婴儿配方食品中，棕榈酸在sn-1,3位上优先被酯化，油酸和亚油酸在sn-2位上的百分比高于母乳中的百分比。结论：西班牙人乳中脂肪酸的组成似乎反映了地中海母亲的饮食习惯。婴儿配方奶粉类似于人乳的脂肪酸谱，但脂肪酸在sn-2位置的分布明显不同。赞助：这项研究得到了教育和科学部西班牙技术与工业发展中心（CDTI）与西班牙Laboratorios Ordesa S.L.合作的研究资助。 doi：10.1038 / sj.ejcn.1601470

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