1Williams, PA & Phillips, GO (2000) . In Handbook of Hydrocolloids, pp. 155–168 [Phillips, GO and Williams, PA, editors]. Boca Raton, FL: CRC Press.
2Gibson, GR & Roberfroid, MB (1995) Dietary modulation of the human colonic microbiota: introducing the concept of prebiotics. J Nutr 125, 1401–1412.
3Roberfroid, M (2007) Prebiotics: the concept revisited. J Nutr 137, 830S–837S.
4Wyatt, TM, Bayliss, CE & Holcroft, JD (1986) A change in human faecal flora in response to inclusion of gum arabic in the diet. Br J Nutr 55, 261–266.
5Cherbut, C, Michel, C, Raison, V, Kravtchenko, TP & Meance, S (2003) Acacia gum is a bifidogenic dietary fiber with high digestive tolerance in healthy humans. Microbial Ecol Health Dis 15, 43–50.
6Michel, C, Kravtchenko, TP, David, A, Gueneau, S, Kozlowski, F & Cherbut, C (1998) In vitro prebiotic effects of acacia gums onto the human intestinal microbiota depends on both botanical origin and environmental pH. Anaerobe 4, 257–266.
7May, T, Mackie, RI, Fahey, GC Jr, Cremin, JC & Garleb, KA (1994) Effect of fiber source on short-term fatty acid production and on the growth and toxin production by Clostridium difficile. Scan J Gastroenterol 29, 916–922.
8Annison, G, Trimble, RP & Topping, DL (1995) Feeding Australian acacia gums and gum arabic leads to non-starch polysaccharide accumulation in the cecum of rats. J Nutr 125, 283–292.
9Campbell, JM, Fahey, GC Jr, Lichtensteiger, CA, Demichele, SJ & Garleb, KA (1997) An enteral formula containing fish oil, indigestible oligosaccharides, gum arabic and anti-oxidants affects plasma and colonic phospholipid fatty acid and prostaglandin profiles in pigs. J Nutr 127, 137–145.
10Rehman, KU, Codipilly, CN & Wapnir, RA (2004) Modulation of small intestinal nitric oxide synthase by gum arabic. Exp Biol Med 229, 895–901.
11Desmond, C, Ross, RP, O'Callaghan, E, Fitzgerald, G & Stanton, C (2002) Improved survival of Lactobacillus paracasei NFBC 338 in spray-dried powders containing gum acacia. J Appl Microbiol 93, 1003–1011.
12Ross, RP, Desmond, C, Fitzgerald, GF & Stanton, C (2005) Overcoming the technological hurdles in the development of probiotic foods. J Appl Microbiol 98, 1410–1417.
13Kruse, HP, Kleessen, B & Blant, M (1999) Effects of inulin on faecal bifidobacteria in human subjects. Br J Nutr 82, 375–382.
14Rintilä, T, Kassinen, A, Malinen, E, Krogius, L & Palva, A (2004) Development of an extensive set of 16S rDNA-targeted primers for quantification of pathogenic and indigenous bacteria in faecal samples by real-time PCR. J Appl Microbiol 97, 1166–1177.
15Matsuki, T, Watanabe, K & Fujimoto, J (2004) Quantitative PCR with 16S rRNA-gene-targeted species-specific primers for analysis of human intestinal bifidobacteria. Appl Environ Microbiol 70, 167–173.
16Gueimonde, M, Tölkkö, S, Korpimäki, T & Salminen, S (2004) New real-time quantitative PCR procedure for quantification of bifidobacteria in human faecal samples. Appl Environ Microbiol 70, 4165–4169.
17Geller, NL & Pocock, SJ (1987) Interim analyses in randomized clinical trials: ramifications and guidelines for practitioners. Biometrics 43, 213–223.
18Armitage, P (1971) Statistical Methods in Medical Research. Oxford: Blackwell Scientific.
19Jenkins, DJA, Kendall, CWC & Vuksan, V (1999) Inulin, oligofructose and intestinal function. J Nutr 129, 1431S–1433S.
20Duggan, C, Gannon, J & Walker, WA (2002) Protective nutrients and functional foods for the gastrointestinal tract. Am J Clin Nutr 75, 789–808.
21Turnbaugh, PJ, Ley, RE, Mahowald, MA, Magrini, V, Mardis, ER & Gordon, JI (2006) An obesity-associated gut microbiome with increased capacity for energy harvest. Nature 444, 1027–1031.
22Ley, RE, Turnbaugh, PJ, Klein, S & Gordon, JI (2006) Microbial ecology: human gut microbes associated with obesity. Nature 444, 1022–1023.
23Guiot, HFL (1982) Role of competition for substrate in bacterial antagonism in the gut. Infect Immun 38, 887–892.
24Langlands, SJ, Hopkins, MJ, Coleman, N & Cummings, JH (2004) Prebiotic carbohydrates modify the mucosa associated microflora of the human large bowel. Gut 53, 1610–1616.
25Kleessen, B, Hartmann, L & Blaut, M (2003) Fructans in the diet cause alterations of intestinal mucosal architecture, released mucins and mucosal-associated bifidobacteria in gnotobiotic rats. Br J Nutr 89, 597–606.
26Roberfroid, MB, Van Loo, JAE & Gibson, GR (1998) The bifidogenic nature of chicory inulin and its hydrolysis products. J Nutr 128, 11–19.
27Rao, AV (1999) Dose–response effects of inulin and oligofructose on intestinal bifidogenesis effects. J Nutr 129, 1442S–1445S.
28Tuohy, KM, Kolida, S, Lustenberger, AM & Gibson, GR (2001) The prebiotic effects of biscuits containing partially hydrolysed guar gum and fructo-oligosaccharides – a human volunteer study. Br J Nutr 86, 341–348.
29Giannini, EG, Mansi, C, Dulbecco, P & Savarino, V (2006) Role of partially hydrolyzed guar gum in the treatment of irritable bowel syndrome. Nutrition 22, 334–342.
30Bourquin, LD, Titgemeyer, EC, Fahey, GC & Garleb, KA (1993) Fermentation of dietary fibre by human colonic bacteria: disappearance of short-chain fatty acid production from, and potential water-holding capacity of, various substrates. Scan J Gastroenterol 28, 249–255.
31Cummings, JH, Macfarlane, GT & Englyst, HN (2001) Prebiotic digestion and fermentation. Am J Clin Nutr 73S, 415S–420S.
32Saito, Y, Takano, T & Rowland, IR (1992) Effects of soybean oligosaccharides on the human gut microflora in in vitro culture. Microbial Ecol Health Dis 5, 105–110.