期刊
EUROPEAN JOURNAL OF CLINICAL NUTRITION
卷 57, 期 2, 页码 341-348出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.ejcn.1601541
关键词
children; food acceptance; exposure; reward; vegetables
Objective: The aim of this study was to evaluate two interventions (one reward-based and one exposure-based) for increasing children's acceptance of an unfamiliar vegetable compared with a no-treatment control. It was predicted that the exposure condition would increase liking for, and consumption of, the vegetable relative to either the reward or control group. Design: Using a randomized controlled design, participants were assigned to one of two intervention groups (exposure or reward) or to a no-treatment control condition, for a 2 week period. Liking for, and consumption of, red pepper was assessed before and after the treatment period. Setting: The study was conducted in three primary schools in London. Subjects: Parental consent was obtained for 49 out of a possible 72 children. Interventions: Interventions comprised eight daily sessions during which participants in the exposure group were offered a taste of sweet red pepper and told that they could eat as much as they liked. Participants in the reward group were shown a sheet of cartoon stickers and told that they could choose one of them on condition that they ate at least one piece of the pepper. Results: The exposure-based intervention significantly increased both liking (P= 0.006) and consumption (P= 0.03) compared with the control group. The outcome of the reward intervention was intermediate and did not differ significantly from the exposure or control conditions. Conclusions: Repeated exposure to the taste of unfamiliar foods is a promising strategy for promoting liking of previously rejected foods in children. Sponsorship: This study was financed by Cancer Research UK.
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