Sweet taste intensity is enhanced by temporal fluctuation of aroma and taste, and depends on phase shift
Abstract
Pulsatile stimulation enhances taste intensity compared to continuous stimulation with stimuli of the same net tastant concentration. In the present work, we studied the effects of pulsatile delivery of aroma and taste on their combined contribution to taste intensity. Effects on taste perception were evaluated for aroma and taste pulsation and the aroma pulse-taste pulse phase shift. High-concentration sucrose pulses were alternated with water rinses every 2.5s. Four different aroma (isoamyl acetate) versions were presented: (1) no aroma, (2) continuous aroma (3) aroma pulses in-phase and (4) aroma pulses out-of-phase with taste pulses. Aroma-taste combinations were evaluated for sweetness intensity by a 15-member trained panel using time-intensity analysis. Sweetness intensity was enhanced by pulsatile stimulation of sucrose or isoamyl acetate. In addition, taste enhancement by aroma and tastant pulses was additive if both were presented out-of-phase which resulted a sweetness intensity enhancement by more than 35% compared to a continuous sucrose reference of the same net sucrose concentration. Aroma-induced sweetness enhancement can be explained by cross-modal aroma-taste integration. Amplification of aroma-taste integration by pulsatile stimulation may be attributed to a potentiated afferent input of aroma and taste information prior to aroma-taste integration. Alternative mechanisms include the importance of swallowing on aroma-taste integration.
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Aromas such as caramel, vanilla, and berry flavours increase the perception of sweetness, at least in Western participants.
“Aromas such as caramel, vanilla, and berry flavours have been found to increase the perception of sweetness, at least in Western participants (e.g., [2,44,45,93-100], see References [1,101] for reviews).”
From The Role of Intrinsic and Extrinsic Sensory Factors in Sweetness Perception of Food and Beverages: A Review (2019) · cites this paper as [94]
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- Authors
- Burseg, K. M. M., Camacho, S., Knoop, J., & Bult, J. H. F.
- Affiliations
- TiFN (NL)
- Nederlands Instituut Voor Zuivel Oonderzoek (NL)
- Corresponding author
- Burseg, Kerstin Martha Mensien
- Venue
- Physiology & Behavior
- Publisher
- Elsevier BV
- Published
- 2010-12
- Volume
- 101
- Issue
- 5
- Pages
- 726-730
- ISSN
- 0031-9384 (ISSN-L)
- OpenAlex
- W2067273263
- Cited by
- 54
- References
- 36
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 2 · 2023: 3 · 2022: 3 · 2021: 7 · 2020: 9 · 2019: 2 · 2018: 4 · 2017: 3 · 2016: 3 · 2015: 3 · 2014: 2 · 2013: 5 · 2012: 3
- FWCI
- 3.34
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physiology & Behavior (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Nursing › Nutrition and Dietetics › Biochemical Analysis and Sensing Techniques
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
- Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
- Keywords
- pulsatile stimulation, temporal fluctuations, cross-modal integration, phase shift, isoamyl acetate, sucrose, time-intensity analysis, swallowing, taste perception
- MeSH terms
- Adult, Analysis of Variance, Female, Humans, Male, Middle Aged, Odorants, Smell, Sucrose, Taste, Taste Perception
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