Evaluation of sn-2 fatty acid composition in commercial infant formulas on the Chinese market: A comparative study based on fat source and stage

被引：74

作者：

Sun, Cong ^{[1
]}

Wei, Wei ^{[1
]}

Su, Hang ^{[1
]}

Zou, Xiaoqiang ^{[1
]}

Wang, Xingguo ^{[1
]}

机构：

[1] Jiangnan Univ, Sch Food Sci & Technol, Natl Engn Res Ctr Funct Food, Collaborat Innovat Ctr Food Safety & Qual Control, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R China

来源：

FOOD CHEMISTRY | 2018年 / 242卷

关键词：

Commercial formulas; Mature human milk; Sn-2 fatty acid composition; Positional distribution; HUMAN-MILK; POSITIONAL DISTRIBUTION; TERM INFANTS; STEREOSPECIFIC ANALYSIS; INTESTINAL-ABSORPTION; BETA-PALMITATE; VEGETABLE FATS; DOUBLE-BLIND; TRIACYLGLYCEROL; TRIGLYCERIDES;

D O I：

10.1016/j.foodchem.2017.09.005

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The sn-2 fatty acid composition of 180 commercial infant, follow-on and growing-up formulas with three fat sources (plant oil, cows' milk and goats' milk) was investigated and compared with mature human milk (MHM). Sn-2 fatty acids in formulas were mostly dependent on fat source and stage. Compared with MHM, all types of formulas contained lower levels of palmitic acid (PA), saturated fatty acid and long-chain polyunsaturated fatty acids (LC-PUFA), and higher levels of oleic acid (OA), linoleic acid (LA) and a-linolenic acid (LNA) at the sn-2 position. Even some formulas were supplemented with 1,3-dioleoyl-2-palmitoylglycerol, the proportions of relative PA at the sn-2 position in formulas were much lower than that in MHM. Moreover, formulas had higher proportions of relative OA, LA and LNA, and lower LC-PUFAs at the sn-2 position. This study indicated that there were significant differences in the positional distribution of fatty acids between formulas and MHM.

引用

页码：29 / 36

页数：8

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