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Flavour retention and release from protein solutions
1UMR-INRA-ENESAD-FLAVIC, FLAveur, Vision et Comportement du consommateur, INRA, 17 Rue Sully, 21065 Dijon Cedex, France. guichard@dijon.inra.fr
Biotechnology Advances
|December 27, 2005
Summary
Food proteins like beta-lactoglobulin bind flavour compounds through hydrophobic and hydrogen interactions. Flavour perception is altered only by strong protein-flavour binding, impacting aroma release.
Area of Science:
- Food science
- Protein chemistry
- Sensory science
Background:
- Protein-flavour interactions are crucial for food sensory properties.
- Beta-lactoglobulin is a well-studied food protein with significant binding capabilities.
Purpose of the Study:
- To summarize current findings on protein-flavour binding and release.
- To investigate the relationship between binding, release, and flavour perception.
Main Methods:
- Review of existing research on beta-lactoglobulin.
- Application of molecular modelling techniques.
- Utilisation of Quantitative Structure-Activity Relationship (QSAR) studies.
Main Results:
- Beta-lactoglobulin exhibits both hydrophobic and hydrogen binding for flavour compounds.
- Two distinct binding sites for flavour compounds on beta-lactoglobulin have been identified.
- Both free and reversibly bound aroma compounds contribute to flavour release.
Conclusions:
- Protein-flavour binding significantly influences flavour perception.
- Strong binding interactions are necessary to affect flavour perception.
- Understanding these interactions is key to controlling food flavour profiles.