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Basal levels of salivary alpha-Amylase are associated with preference for foods high in sugar and anthropometric markers of cardiovascular risk

  • Salivary alpha-amylase (sAA) influences the perception of taste and texture, features both relevant in acquiring food liking and, with time, food preference. However, no studies have yet investigated the relationship between basal activity levels of sAA and food preference. We collected saliva from 57 volunteers (63% women) who we assessed in terms of their preference for different food items. These items were grouped into four categories according to their nutritional properties: high in starch, high in sugar, high glycaemic index, and high glycaemic load. Anthropometric markers of cardiovascular risk were also calculated. Our findings suggest that sAA influences food preference and body composition in women. Regression analysis showed that basal sAA activity is inversely associated with subjective but not self-reported behavioural preference for foods high in sugar. Additionally, sAA and subjective preference are associated with anthropometric markers of cardiovascular risk. We believe that this pilot study points to this enzyme as an interesting candidate to consider among the physiological factors that modulate eating behaviour.

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Author:Ernesto Tarragon, Jakob Stein, Jobst Meyer
Parent Title (English):Behavioral Sciences
Place of publication:Basel
Document Type:Article
Date of completion:2019/01/17
Date of publication:2018/10/16
Publishing institution:Universität Trier
Contributing corporation:The publication was funded by the Open Access Fund of Universität Trier and the German Research Foundation (DFG)
Release Date:2019/01/17
Tag:body composition; eating behaviour; food preference; glycaemic index; salivary alpha-amylase
GND Keyword:Enzym; Kardiovaskuläre Krankheit; Lebensmittel; Präferenz; Speichel; Zuckergehalt
Issue / no.:8 /10
Number of pages:14
Institutes:Fachbereich 1 / Psychologie
Dewey Decimal Classification:1 Philosophie und Psychologie / 15 Psychologie / 150 Psychologie
Licence (German):License LogoCC BY: Creative-Commons-Lizenz 4.0 International

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