Sweet taste exposure and the subsequent acceptance and preference for sweet taste in the diet: Systematic review of the published literature.

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Abstract

Background: There are consistent, evidence-based global public health recommendations to reduce intakes of free sugars. However, the corresponding evidence for recommending reduced exposure to sweetness is less clear. Objective: Our aim was to identify and review the published evidence investigating the impact of dietary exposure to sweet tasting foods or beverages on the subsequent generalized acceptance, preference or choice of sweet foods and beverages in the diet. Design: Systematic searches were conducted to identify all studies testing relationships of variation in exposure to sweetness through foods and beverages with subsequent variation in the generalized acceptance, preference or choice of sweetened foods or beverages, in humans aged greater than 6 months. Results: Twenty-one studies met our inclusion criteria, comprising seven population cohort studies involving 2320 children, and fourteen controlled trials involving 1113 individuals.These studies were heterogeneous in study design, population, exposure and outcomes measured, and few were explicitly designed to address our research question. The findings from these were inconsistent. We found equivocal evidence from population cohort studies.The evidence from controlled studies suggests that a higher sweet taste exposure tends to lead to reduced preferences for sweetness in the shorter term, but very limited effects were found in the longer term. Conclusions: A small and heterogeneous body of research currently has considered the impact of varying exposure to sweet taste on subsequent generalized sweet taste preferences, and this evidence is equivocal regarding the presence and possible direction of a relationship. Future work should focus on adequately-powered studies with well-characterized exposures of sufficient duration.

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• Sweet taste exposure and the subsequent acceptance and preference for sweet taste in the diet: Systematic review of the published literature. (deposited 25 Jan 2018 09:33)
  • Sweet taste exposure and the subsequent acceptance and preference for sweet taste in the diet: Systematic review of the published literature. (deposited 22 Mar 2018 12:35) [Currently Displayed]