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Composite foods: from structure to sensory perception.

Elke Scholten1

  • 1Physics and Physical Chemistry of Foods, Wageningen University, P.O. Box 17, 6700 AA Wageningen, The Netherlands. elke.scholten@wur.nl.

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Summary

Understanding food structure is key to designing foods with desired textures and sensory experiences. This review links food structure, rheology, and lubrication to sensory perception for better food design.

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Area of Science:

  • Food science and technology
  • Rheology
  • Sensory science

Background:

  • Designing foods with specific functionalities (e.g., reduced fat, increased satiety) requires understanding structural effects on sensory attributes.
  • Bulk rheological properties correlate with simple textures (thickness, firmness) but not always complex sensory attributes (creaminess, smoothness).
  • Complex sensory attributes arise from lubrication and oral interactions, not just bulk properties.

Purpose of the Study:

  • To review the relationship between food structure, rheology, and sensory perception.
  • To discuss contributions of structural features to complex sensory attributes in composite foods.
  • To link rheological properties to structural characteristics and subsequent lubrication and sensory perception.

Main Methods:

  • Review of existing literature on food structure, rheology, and sensory perception.
  • Analysis of composite food structures (dispersions, emulsions, emulsion-filled gels).
  • Linking rheological properties to structural features and oral processing.

Main Results:

  • Food structure significantly influences complex sensory attributes beyond bulk rheology.
  • Lubrication and oral interactions are critical factors in perceived texture and sensory experience.
  • Composite food structures require specific rheological considerations for desired sensory outcomes.

Conclusions:

  • Designing foods with specific sensory attributes necessitates a deep understanding of their structure-property-perception relationships.
  • Rheological properties must be considered alongside structural features and lubrication for effective food design.
  • This knowledge enables the development of foods with enhanced satiety, liking, and specific textural qualities.