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dietary fibre is an edible substance that is not absorbed in the small intestine and thus reaches the large intestine. This is because it includes polysaccharides that are a little like starch, except that the sugar units are linked by bonds that the body’s digestive enzymes cannot digest. Wholemeal and grain breads are the best source. Bakery products made from refined flour contain little dietary fibre. The recommended intake of dietary fibre is 30 g a day.
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