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Poster De Conférence Année : 2011

Preferences for fat and basic tastes in 3-, 6- and 12-month-old infants

Résumé

Fat perception received recent interest, but fat preference in human infants is a matter of debate. The objective here was to investigate fat and taste preferences in the same infants (N= 66) at 3, 6 and 12 months. Preference for a fat solution (sunflower and rapeseed oils mixed with soy lecithin) and for taste solutions (sweet, lactose; salty, NaCl; bitter, urea; sour, citric acid; umami, sodium glutamate) was evaluated. The same method was applied at each age. Mothers and their infant participated in 2 videotaped sessions, during which the 5 taste and fat solutions were assessed in a balanced order. For each taste, 4 bottles (water, tastant, tastant and water) were presented by the experimenter.Twoglobal indices were calculated to represent acceptance of the tastant relatively to water (W), based on ingested volumes and on facial expressions. At 3 and 6 mo, the fat solution was as consumed as W; but less than W at 12 mo; at all ages it elicited ‘negative’ expressions. For taste solutions, at 3 mo the sweet solution was more and the bitter one wasless consumed thanW;the bitter and the sour solutions elicited ‘negative’ expressions. At 6 and 12 mo, the sweet and salty solutions were more consumed than W and elicited ‘positive’ expressions; the bitter and sour solutions elicited negative expressions. Infants were indifferent to the umami solution. These findings are in accordance with the literature on taste preference but the indifference or rejection of the fat solution raise questions about an ‘innate’ preference for fat. The olfactory component of fat might be involved in this rejection.
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Dates et versions

hal-01190354 , version 1 (01-09-2015)

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Sophie Nicklaus, Claire Chabanet, Camille Schwartz, Emilie Szleper, Sylvie Issanchou. Preferences for fat and basic tastes in 3-, 6- and 12-month-old infants. 19. annual Meeting of the society for the study of ingestive behavior, Jul 2011, Clearwater, Florida, United States. 1 p., 2011, ⟨10.1016/j.appet.2011.05.235⟩. ⟨hal-01190354⟩
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