Prebiotic inulin-type fructans: nutritional benefits beyond dietary fibre source
2008
Alexiou, H. | Franck, A.
For several years, there has been an increasing awareness of the fundamental role that the complex bacterial ecosystem plays in our health. Inulin and oligofructose are prebiotic dietary fibres naturally present in the chicory root. They escape metabolism in the small intestine, and their selective fermentation by the human colonic microflora leads to a shift in the composition of the indigenous bacterial ecosystem, in favour of health-promoting bifidobacteria. In addition to their dietary fibre effects on improved bowel regularity, several physiological advantages are linked to their specific pattern of fermentation in the colon, including improved mineral absorption, enhanced natural host defences and colonic protection, improved gut health, and beneficial influence on appetite regulation. The aim of the present review was to highlight the nutritional benefits of inulin-type fructans, focusing on key physiological functions.
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