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 561265
Title Reducing bitter taste through perceptual constancy created by an expectation
Author(s) Berrre, Elodie Le; Boucon, Claire; Knoop, Marcia; Dijksterhuis, Garmt
Source Food Quality and Preference 28 (2013)1. - ISSN 0950-3293 - p. 370 - 374.
Publication type Refereed Article in a scientific journal
Publication year 2013
Keyword(s) Bitterness - Expectation - Off-taste - Perception - Perceptual constancy

The influence of a perceptual expectation, based on the first bite of a model product, on the perception of the taste of subsequent bites is investigated for bitter taste. A model product (chocolate ice cream) consisting of three regions of differing concentrations of a bitter compound (theobromine) was evaluated by a sensory panel using a multiple-bite Time-Intensity (TI) method. TI bitterness parameters were compared to those obtained with the model product containing the same amount of bitter compound but distributed homogeneously through the product. The relevant parameters of the resulting TI bitterness curves, i.e. the area under the curve, the time to return to zero, the overall maximum intensity, show that when the first bite is of a low bitter intensity, the perception of subsequent regions in the product assimilate towards a lower perceived bitterness intensity.

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