6533b858fe1ef96bd12b5800
RESEARCH PRODUCT
Application of headspace analysis to the study of aroma compounds-lipids interactions
M. Le ThanhA. M. SeuvreC. DruauxAndrée Voilleysubject
chemistry.chemical_classificationActivity coefficientbiologyGeneral Chemical EngineeringOrganic Chemistryfood and beveragesbiology.organism_classificationGibbs free energyPartition coefficientchemistry.chemical_compoundsymbols.namesakechemistryComputational chemistryMass transfersymbolsAroma compoundOrganic chemistryVolatile organic compoundSolubilityAromadescription
Taking into account interactions between aroma compounds and food components is necessary to better manage the flavoring of food products. These interactions occur at a molecular level and reflect changes, at a macroscopic level, in thermodynamic equilibria, such as solubility or volatility. The rate of transfer of an aroma compound from the liquid to the vapor phase can be affected as well. The behavior of aroma compounds in water and lipid solutions was studied in two complementary ways, a thermodynamic and a kinetic approach (head-space analysis). The transfer rate of volatiles at the liquid-water interface does not only depend on the hydrophobicity of the aroma compounds. Vapor-liquid partition and activity coefficients show the presence of solute-solvent interactions. The Gibbs free energy values indicate their physicochemical nature.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1998-02-01 | Journal of the American Oil Chemists' Society |