Dietary pectin and mango pulp effects on small intestinal enzyme activity levels and macronutrient digestion in grower pigs,Food & Function

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Dietary pectin and mango pulp effects on small intestinal enzyme activity levels and macronutrient digestion in grower pigs
Food & Function ( IF 5.1 ) Pub Date : 2018-01-05 00:00:00 , DOI: 10.1039/c7fo00602k
Anton M. Pluschke _{1,

2,

3,

4,

5} , Barbara A. Williams _{1,

2,

3,

4,

5} , Dagong Zhang _{1,

2,

3,

4,

5} , Michael J. Gidley _{1,

2,

3,

4,

5}

Affiliation

The effects of refined pectin and mango pulp on macronutrient digestion and small intestinal enzyme activity were studied in grower pigs. Diets based on wheat starch with and without apple pectin or dried mango fruit pulp were fed to 30 grower pigs for 21 days. Pigs were euthanized two hours postprandially, and their gastrointestinal contents recovered. Starch and protein digestion as well as α-amylase activity were all increased in pigs fed pectin. In contrast, fat digestion, lipase and protease (trypsin) activities were all significantly reduced in these pigs. Pigs fed the mango fruit pulp diet had intermediate effects compared with pigs fed refined pectin and control diets. The data suggests that pectin has a significant effect on digestive enzyme activity and subsequent influence on macronutrient digestion. The fact that pectin caused either an increase (α-amylase) or decrease (lipase, protease) in enzyme activity in digesta, which either did (starch, lipid) or did not (protein) associate with residual nutrient differences illustrates the complexity of small intestinal responses to added fibre in diets.

中文翻译：

日粮果胶和芒果果肉对生长猪小肠酶活性水平和大量营养物质消化的影响

研究了果胶和芒果果肉精制对生长猪的大量营养物质消化和小肠酶活性的影响。将有或没有苹果果胶或芒果干果浆的小麦淀粉饲料饲喂30只生长猪，持续21天。餐后两小时对猪实施安乐死，并恢复其胃肠道内容物。饲喂果胶的猪的淀粉和蛋白质消化以及α-淀粉酶活性均增加。相反，这些猪的脂肪消化，脂肪酶和蛋白酶（胰蛋白酶）活性均显着降低。与饲喂精制果胶和对照日粮的猪相比，饲喂芒果果肉日粮的猪具有中等效果。数据表明果胶对消化酶活性具有重要影响，并随后对大量营养物质的消化产生影响。

更新日期：2018-01-05

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