Taste perception and implicit attitude toward sweet related to body mass index and soft drink supplementation

Sartor, Francesco and Donaldson, Lucy F. and Markland, David A. and Loveday, Helina and Jackson, Matthew J. and Kubis, Hans-Peter (2011) Taste perception and implicit attitude toward sweet related to body mass index and soft drink supplementation. Appetite, 57 (1). pp. 237-246. ISSN 01956663

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Abstract

These studies examined the differences in sweet taste perception and implicit attitude toward sweet between normal-weight and overweight/obese adults; and tested the effects of soft drink consumption on sweet taste, explicit preference and implicit attitude toward sweet in normal-weight subjects. In study 1, normal-weight (n = 22) and overweight/obese (n = 11) adults were assessed for sweet taste intensity and pleasantness. Implicit attitude toward sweet was assessed by implicit association test (IAT). In study 2, normal-weight, lightly active adults (n = 12) underwent one month soft drink supplementation (≈760 ml/day). This increased their daily carbohydrate intake by 2.1 ± 0.2g/kg body weight. Sweet taste perception, explicit preference and implicit attitudes to sweet were assessed. In both studies salty taste was also assessed as a contrasting perception. Overweight/obese subjects perceived sweet and salty tastes as less intense (-23% and -19%, respectively) and reported higher IAT scores for sweet than normal-weight controls (2.1-fold). The supplementation changed sweet intensity/pleasantness ratings and it increased explicit preference (2.3-fold) for sweet in a subgroup of initial sucrose-dislikers. In conclusion, overweight/obese individuals are more implicitly attracted to sweet. One month of soft drink supplementation changed sweet taste perception of normal-weight subjects.

Item Type:	Article
Additional Information and Comments:	Definitive version was published in Apetite, Vol 57, August 2011, available at http://www.sciencedirect.com/science/article/pii/S0195666311002649
Faculty / Department:	Faculty of Human and Digital Sciences > School of Health and Sport Sciences
Depositing User:	Matthew Jackson
Date Deposited:	22 Jun 2017 13:34
Last Modified:	22 Jun 2017 13:34
URI:	https://hira.hope.ac.uk/id/eprint/2068

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