Effects of polydextrose supplementation on different faecal parameters in healthy volunteers.

IF 3.7 2区农林科学 Q2 FOOD SCIENCE & TECHNOLOGY

International Journal of Food Sciences and Nutrition Pub Date : 2009-01-01 Epub Date: 2008-12-19 DOI:10.1080/09637480802526760

Christin Hengst, Sebastian Ptok, Andrea Roessler, Anita Fechner, Gerhard Jahreis

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引用次数: 0

Abstract

The beneficial effects of prebiotics on bowel health were thoroughly investigated. The aim of the study was to show prebiotic effects of polydextrose (PDX). A placebo-controlled, randomized intervention study with PDX supplementation (8 g/day) was conducted in 45 healthy subjects. The effects of PDX on stool weight, orofaecal transit time, consistency of stool (Bristol stool form scale), short-chain fatty acid production, pH value, neutral sterol and bile acid excretion and faecal microbiota were evaluated. It was found that supplementation of PDX shortened the orofaecal transit time significantly. Furthermore, ingestion of PDX resulted in a decreased pH value and in significant changes in bile acid and neutral sterol excretion. PDX had no effects on stool weight, concentrations of the main short-chain fatty acids (acetate, propionate) and faecal contents of lactic acid bacteria and bifidobacteria. In conclusion, PDX is able to shorten the orofaecal transit time and to improve stool consistency in subjects suffering from constipation. [corrected]

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补充聚葡萄糖对健康志愿者不同粪便参数的影响。

益生元对肠道健康的有益作用进行了深入的研究。该研究的目的是显示聚葡萄糖（PDX）的益生元效应。在45名健康受试者中进行了一项安慰剂对照，随机干预研究，补充PDX （8 g/天）。评估PDX对大便重量、口粪运输时间、大便黏稠度（布里斯托大便量表）、短链脂肪酸生成、pH值、中性固醇和胆汁酸排泄以及粪便微生物群的影响。结果发现，补充PDX可显著缩短其口粪运输时间。此外，摄入PDX导致pH值降低，胆汁酸和中性固醇排泄显著改变。PDX对粪便重量、主要短链脂肪酸（醋酸酯、丙酸酯）浓度及乳酸菌和双歧杆菌粪便含量均无影响。综上所述，PDX能够缩短便秘患者的口粪运输时间，改善大便一致性。(修正)

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Food Sciences and Nutrition 工程技术-食品科技

CiteScore

7.50

自引率

2.60%

发文量

审稿时长

1 months

期刊介绍： The primary aim of International Journal of Food Sciences and Nutrition is to integrate food science with nutrition. Improvement of knowledge in human nutrition should always be the final objective of submitted research. It''s an international, peer-reviewed journal which publishes high quality, original research contributions to scientific knowledge. All manuscript submissions are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees. All peer review is single blind and submission is online via ScholarOne Manuscripts.