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How fats and carbohydrates in familiar foods contribute to everyday satiety by their sensory and physiological actions
journal contributionposted on 2023-06-08, 21:06 authored by L A Dibsdall, C J Wainwright, N W Read, D A Booth
Duodenal action of rapidly digested carbohydrate can induce an intense satiation shortly after the meal, which conditions down the volume of food eaten in the later part of the meal. In contrast, after a meal rich in spreading fat, separation of fat above the aqueous contents of the stomach is liable to delay the fat’s emptying and hence its contact with satiety receptors in the small intestine; eaters are therefore unlikely to learn to eat less of a menu rich in separated fat. Yet the delayed emptying may prolong the period of digestion and absorption of separated fat beyond that for the same amount of fat emulsified or bound in the aqueous phase. Hence, separating fat might better help to delay the rise of appetite for the next meal several hours later. These ideas explain some of the diversity of claims about satiation from fats in foods. Tests illustrate how individuals learn from the post-ingestional effects on appetite of variants of the foods they choose routinely.
JournalBritish Food Journal
Department affiliated with
- Psychology Publications
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