Study on the digestion of milk with prebiotic carbohydrates in a simulated gastrointestinal model

被引：22

作者：

Ferreira-Lazarte, Alvaro ^{[1
]}

Montilla, Antonia ^{[1
]}

Mulet-Cabero, Ana-Isabel ^{[2
]}

Rigby, Neil ^{[2
,3
]}

Olano, Agustin ^{[1
]}

Mackie, Alan ^{[2
,3
]}

Villamiel, Mar ^{[1
]}

机构：

[1] CIAL CSIC UAM, Inst Invest Ciencias Alimentac, C Nicolas Cabrera,9,Campus Univ Autonoma Madrid, Madrid 28049, Spain

[2] Inst Food Res, Norwich Res Pk, Norwich NR4 7UA, Norfolk, England

[3] Univ Leeds, Sch Food Sci & Nutr, Leeds LS2 9JT, W Yorkshire, England

来源：

JOURNAL OF FUNCTIONAL FOODS | 2017年 / 33卷

关键词：

Lactulose oligosaccharides; Prebiotics; Digestion; Milk; Galacto-oligosaccharides; GALACTO-OLIGOSACCHARIDES; LACTULOSE; FOOD; MICROBIOTA; RATS;

D O I：

10.1016/j.jff.2017.03.031

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The behaviour of oligosaccharides from lactulose (OsLu) included with milk was examined during in vitro gastrointestinal digestion using the Infogest protocol as well as some small intestine rat extract. The digestion was compared with commercial prebiotics GOS and Duphalac (R). Electrophoretic analysis demonstrated that the prebiotic carbohydrates did not modify the gastric digestion of dairy proteins. Similarly, no significant effect of gastrointestinal digestion was shown on the prebiotic studied. In contrast, under the intestinal conditions using a rat extract, the oligosaccharides present in OsLu samples were less digested (<15%) than in GOS (35%). Moreover, lactulose was more prone to digestion than their corresponding trisaccharides. These results demonstrate the limited digestion of OsLu and their availability to reach the large intestine as prebiotic. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：149 / 154

页数：6

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