Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 505210
Title Differential effects of exposure to ambient vanilla and citris aromas on mood, arousal and food choice
Author(s) Wijk, R.A. de; Zijlstra, S.
Source Flavour 1 (2012). - ISSN 2044-7248
Department(s) FBR Consumer Science & Health
Publication type Refereed Article in a scientific journal
Publication year 2012
Abstract Background Aromas have been associated with physiological, psychological affective and behavioral effects. We tested whether effects of low-level exposure to two ambient food-related aromas (citrus and vanilla) could be measured with small numbers of subjects, low-cost physiological sensors and semi-real life settings. Tests included physiological (heart rate, physical activity and response times), psychological (emotions and mood) and behavioral (food choice) measures in a semi-real life environment for 22 participants. Results Exposure to ambient citrus aroma increased physical activity (P <0.05), shortened response times in young participants (P <0.05), decreased negative emotions (P <0.05), and affected food choice (P <0.05). Exposure to ambient vanilla aroma increased projected introvert emotions (P <0.05). All effects were small relative to estimated effect sizes. Conclusions The test battery used in this study demonstrated aroma-specific physiological, psychological and behavioral effects of aromas with similar appeal and intensities, and similar food-related origins. These effects could be measured in (semi-) real life environments for freely moving subjects using relatively inexpensive commercially available physiological sensors.
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