Digestion of Medium- and Long-Chain Triacylglycerol and sn-2 Palmitate in Infant Formula: A Study Based on Dynamic In Vitro Simulation of Infant Gastrointestinal Lipolysis

被引：29
作者：
Wang, Lei [1 ,2 ]
Zhang, Xinghe [1 ,2 ]
Yuan, Tinglan [1 ,2 ]
Jin, Qingzhe [1 ,2 ]
Wei, Wei [1 ,2 ]
Wang, Xingguo [1 ,2 ]
机构：
[1] Jiangnan Univ, State Key Lab Food Sci & Technol, Sch Food Sci & Technol, Wuxi 214122, Jiangsu, Peoples R China
[2] Jiangnan Univ, Collaborat Innovat Ctr Food Safety & Qual Control, Sch Food Sci & Technol, Wuxi 214122, Jiangsu, Peoples R China
来源：
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2022年 / 70卷 / 10期
基金：
中国国家自然科学基金;
关键词：
in vitro digestion; lipolysis; medium- and long-chain triacylglycerol; structured triacylglycerol; infant formula fat; HUMAN-MILK FAT; CHINESE MARKET; DISINTEGRATION; PASTEURIZATION; LIPIDS;
D O I：
10.1021/acs.jafc.1c07118
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
In this study, lipolysis of triacylglycerols (TAGs) in infant formula (IF) composed of different oils and supplied with different structured TAGs, including medium- and long-chain triacylglycerol (MLCT) and sn-2 palmitate, was studied using a dynamic digestion model simulating the infant gastrointestinal tract. The molecular species of digestion products released during digestion, including diacylglycerols, monoacylglycerols (MAGs), and free fatty acids, as well as undigested TAGs, were identified and quantified using liquid chromatography-mass spectrometry. We observed clearly different lipolysis degrees (LDs), with diversity in digestion products of different IFs. IFs supplied with MLCT showed moderate medium-chain fatty acid release during gastric digestion and higher LD after intestinal digestion. The presence of sn-2 palmitate in IF was associated with higher content of MAG-16:0 in digestion products. The species and contents of digestion products in IF were highly influenced by structured TAGs.
引用
收藏
页码：3263 / 3271
页数：9
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