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  • Title: Acute effects of complexity in aroma composition on satiation and food intake.
    Author: Ruijschop RM, Boelrijk AE, Burgering MJ, de Graaf C, Westerterp-Plantenga MS.
    Journal: Chem Senses; 2010 Feb; 35(2):91-100. PubMed ID: 20008454.
    Abstract:
    The acute effect of complexity in aroma composition on perceived satiation and food intake was investigated in 41 young, healthy, and normal weight subjects. Subjects consumed 2 different strawberry-aromatized sweetened yogurt products (i.e., test and placebo product) in either an olfactometer-aided or an ad libitum eating experimental design. The test product was aromatized with a multicomponent strawberry aroma, whereas the placebo product was aromatized with a single-component strawberry aroma. Compared to placebo, subjects felt significantly more satiated during aroma stimulation with the multicomponent strawberry aroma in the olfactometer-aided setting. Additionally, perceived satiation was significantly increased 10-15 min after consumption of the multicomponent strawberry-aromatized sweetened yogurt product in the ad libitum eating setting. There was no effect on the amount of strawberry-aromatized sweetened yogurt product consumed ad libitum. Apart from the differences in timing of the appetite-regulating effects, both experimental settings demonstrated that the multicomponent strawberry aroma, which was perceived as being more complex, yet of similar aroma quality, intensity, and pleasantness compared with the single-component strawberry aroma, was able to enhance perceived satiation. The methodology of the olfactometer-aided aroma stimulation proved to be representative of a real-life setting with regard to aroma exposure and satiation. Food products, which are perceived as being more complex, have been suggested to delay the development of sensory satiation as a result of implicitly cueing for variation. The present results may be explained by increased sensory stimulation, due to concurrent exposure to multiple aroma components cueing for sensorily similar strawberry perception.
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