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Molecules 2013, 18(5), 6035-6056; doi:10.3390/molecules18056035
Article

Impact of Fruit Piece Structure in Yogurts on the Dynamics of Aroma Release and Sensory Perception

1
, 2,* , 1
 and 1
Received: 22 February 2013; in revised form: 2 May 2013 / Accepted: 15 May 2013 / Published: 21 May 2013
(This article belongs to the Special Issue Flavors and Fragrances)
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Abstract: The aim of this work was to gain insight into the effect of food formulation on aroma release and perception, both of which playing an important role in food appreciation. The quality and quantity of retronasal aroma released during food consumption affect the exposure time of olfactory receptors to aroma stimuli, which can influence nutritional and hedonic characteristics, as well as consumption behaviors. In yogurts, fruit preparation formulation can be a key factor to modulate aroma stimulation. In this context, the impact of size and hardness of fruit pieces in fat-free pear yogurts was studied. Proton Transfer Reaction-Mass Spectrometry (PTR-MS) was used to allow sensitive and on-line monitoring of volatile odorous compound release in the breath during consumption. In parallel, a trained panel used sensory profile and Temporal Dominance of Sensations (TDS) methods to characterize yogurt sensory properties and their dynamic changes during consumption. Results showed that the size of pear pieces had few effects on aroma release and perception of yogurts, whereas fruit hardness significantly influenced them. Despite the fact that yogurts presented short and similar residence times in the mouth, this study showed that fruit preparation could be an interesting formulation factor to enhance exposure time to stimuli and thus modify food consumption behaviors. These results could be taken into account to formulate new products that integrate both nutritional and sensory criteria.
Keywords: dairy gels; fruit piece hardness; descriptive profile; temporal dominance of sensations; flavor release; proton transfer reaction-mass spectrometry dairy gels; fruit piece hardness; descriptive profile; temporal dominance of sensations; flavor release; proton transfer reaction-mass spectrometry
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Mesurolle, J.; Saint-Eve, A.; Déléris, I.; Souchon, I. Impact of Fruit Piece Structure in Yogurts on the Dynamics of Aroma Release and Sensory Perception. Molecules 2013, 18, 6035-6056.

AMA Style

Mesurolle J, Saint-Eve A, Déléris I, Souchon I. Impact of Fruit Piece Structure in Yogurts on the Dynamics of Aroma Release and Sensory Perception. Molecules. 2013; 18(5):6035-6056.

Chicago/Turabian Style

Mesurolle, Joshua; Saint-Eve, Anne; Déléris, Isabelle; Souchon, Isabelle. 2013. "Impact of Fruit Piece Structure in Yogurts on the Dynamics of Aroma Release and Sensory Perception." Molecules 18, no. 5: 6035-6056.


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