Digestive behavior of unemulsified triglycerides with different chain lengths: In vitro dynamic and static simulated digestion models

被引：16

作者：

Liu, Wangxin ^{[1
]}

Luo, Xianliang ^{[1
]}

Wang, Jing ^{[1
]}

Li, Yang ^{[1
]}

Feng, Fengqin ^{[1
]}

Zhao, Minjie ^{[1
]}

机构：

[1] Zhejiang Univ, Coll Biosyst Engn & Food Sci, 866 Yuhangtang Rd, Hangzhou 310058, Peoples R China

来源：

LWT-FOOD SCIENCE AND TECHNOLOGY | 2021年 / 149卷

基金：

中国国家自然科学基金;

关键词：

Glyceryl tributyrate; Glyceryl tridodecanoate; Glycerol tripalmitate; Simulated dynamic digestion; Simulated static digestion; LIPID DIGESTION; FAT EMULSIONS; GASTROINTESTINAL-TRACT; STRUCTURING FOOD; DROPLET SIZES; BIOACCESSIBILITY; LIPASES; PH; TRIACYLGLYCEROLS; APPETITE;

D O I：

10.1016/j.lwt.2021.112006

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Glyceryl tributyrate (GTB), glyceryl tridodecanoate (GTD) and glycerol tripalmitate (GTP) are typically short, medium and long-chain fatty acid glycerides, respectively. Their digestion behaviors play decisive roles in their health benefits. In this study, the digestion behaviors of unemulsified GTB, GTD and GTP were compared in the dynamic simulation digestion model (artificial gastric digestive system and semi-dynamic intestinal digestive system) and static simulation digestion model. In these two models, the digestibility is GTB > GTD > GTP. In the gastric phase, 4.5%-24.5% of triglycerides were hydrolyzed, and this phenomenon was more obvious in the dynamic model. In addition, the transition of digestive behaviors from the stomach to the intestine was smoother in the dynamic model. The particle size of GTB is usually smaller than those of GTD and GTP, and this difference was weakened in the dynamic model. The high melting point of GTD and GTP also hindered their binding with digestive enzymes in digestion. Our research filled the gaps in the study of the digestion behaviors of unemulsified triglycerides with different chain lengths in different models.

引用

页数：9

共 22 条

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