title: Personality factors predict spicy food liking and intake.
abstract: A number of factors likely affect the liking of capsaicin-containing foods such as social influences, repeated exposure to capsaicin, physiological differences in chemosensation, and personality. For example, it is well known that repeated exposure to capsaicin and chilies can result in chronic desensitization. Here, we explore the relationship between multiple personality variables - body awareness/consciousness, sensation seeking, and sensitivity to punishment, and sensitivity to reward - and the liking and consumption of capsaicin-containing foods. As expected, a strong relationship was found between liking of spicy foods and frequency of chili consumption. However, no association was observed between frequency of chili consumption and the perceived burn/sting of sampled capsaicin. Nor was there any association between perceived burn/sting of capsaicin and any of the personality measures. Private Body Consciousness did not relate to any of the measures used in the current study. Sensation Seeking showed positive correlations with the liking of spicy foods, but not non-spicy control foods. Sensitivity to Punishment showed no relation with frequency of chili consumption, and nonsignificant negative trends with liking of spicy foods. Conversely, Sensitivity to Reward was weakly though significantly correlated with the liking of a spicy meal, and similar nonsignificant trends were seen for other spicy foods. Frequency of chili consumption was positively associated with Sensation Seeking and Sensitivity to Reward. Present data indicate individuals who enjoy spicy foods exhibit higher Sensation Seeking and Sensitivity to Reward traits. Rather than merely showing reduced response to the irritating qualities of capsaicin as might be expected under the chronic desensitization hypothesis, these findings support the hypothesis that personality differences may drive differences in spicy food liking and intake.
authors.affiliation: Sensory Evaluation Center, The Pennsylvania State University, University Park, Pennsylvania, USA ; Department of Food Science, College of Agricultural Sciences, The Pennsylvania State University, University Park, Pennsylvania, USA.
authors.forename: Nadia K
authors.initials: NK
authors.lastname: Byrnes
authors.forename: John E
authors.initials: JE
authors.lastname: Hayes
keywords: AISS; PBC; SPSRQ; food preference; Project GIANT-CS; individual differences; sensation seeking
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