PMID: 2823865Mar 1, 1986Paper

A change in human faecal flora in response to inclusion of gum arabic in the diet

The British Journal of Nutrition
G M WyattJ D Holcroft

Abstract

1. Gum arabic is a water-soluble polysaccharide resistant to human gut enzymes and thus can be described as dietary fibre. 2. Using a most-probable-number technique, estimates were made of total anaerobes and of gum-arabic fermenters in the faeces of a volunteer during a control period and during addition of 10 g gum arabic/d to the diet. Using an enrichment technique, the principal bacteria able to utilize gum arabic as the only carbohydrate source were isolated and characterized. 3. Faecal samples were analysed for undegraded gum arabic and, following acid-hydrolysis, for total sugars. 4. The proportion of the faecal flora able to degrade the gum arabic polymer rose from an initial level of 6.5% to more than 50% during gum-arabic ingestion, and subsequently returned to the control level after ingestion ceased. The principal gum-arabic fermenters were species of Bacteroides and Bifidobacterium. 5. Undegraded gum arabic was not detected in any faecal sample nor were there significant differences in the level of total sugars in acid-hydrolysed faeces between gum arabic and control periods. 6. The results presented indicate a direct and rapid change in faecal flora in response to a specific change in the diet of a human volunteer.

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Citations

Dec 1, 1994·International Journal of Food Microbiology·F CrocianiB Biavati
May 10, 2008·The British Journal of Nutrition·Wim CalameAndré D Siemensma
May 1, 1990·The British Journal of Nutrition·J C MathersA Oxley
Jul 17, 1998·Food Additives and Contaminants·G O Phillips
Jan 1, 1992·Critical Reviews in Food Science and Nutrition·C J Rumney, I R Rowland
Feb 1, 1988·The Journal of Applied Bacteriology·G M Wyatt, D B Archer
Aug 2, 2008·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Badreldin H AliGerald Blunden
Aug 1, 1995·Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition·J M HibbertC Persaud
Nov 1, 2005·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Y DoiT Shirai
Aug 2, 2001·Nursing Research·D Z BlissK Schaffer
Jan 18, 2018·International Journal of Food Sciences and Nutrition·Sehad AlarifiGemma Walton
Jan 1, 1988·Die Nahrung·K R PriceG R Fenwick
Nov 27, 2004·Annals of Nutrition & Metabolism·Isabel Goñi
Aug 7, 2019·Applied Microbiology and Biotechnology·Kiyotaka FujitaKanefumi Kitahara
Mar 28, 2020·Current Pharmaceutical Design·Surender Jangra, Ramesh Pothuraju
Jan 1, 2019·Comprehensive Reviews in Food Science and Food Safety·Trung D VoAshley Roberts
Apr 9, 2010·Biomacromolecules·Yapeng FangPeter A Williams
Jul 27, 2021·ACS Omega·Muhamad Hanif RawiShahrul Razid Sarbini

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