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Longitudinal changes in sweet preferences in humans.

J A Desor, G K Beauchamp

    Physiology & Behavior
    |January 1, 1987
    PubMed
    Summary

    Human sweet taste preferences decrease with age. Studies show that children aged 11-15 prefer sweeter tastes than young adults aged 19-25, indicating a natural decline in sweetness preference over time.

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    Area of Science:

    • * Human sensory science
    • * Developmental psychology
    • * Nutritional science

    Background:

    • * Early life exposure to sweet tastes can shape lifelong preferences.
    • * Understanding taste preference development is crucial for public health and dietary guidelines.
    • * Previous research in rodents indicated a decline in sweet preference with age.

    Purpose of the Study:

    • * To investigate the longitudinal changes in sucrose taste preference in humans.
    • * To determine if sweet taste preferences observed in adolescence persist into young adulthood.
    • * To compare human taste preference changes with findings in animal models.

    Main Methods:

    • * Longitudinal study tracking 44 human participants.
    • * Taste preference assessments conducted during adolescence (11-15 years) and young adulthood (19-25 years).
    • * Measurement of preferred sucrose taste levels at both time points.

    Main Results:

    • * A significant decrease in the preferred level of sweetness was observed between adolescence and young adulthood.
    • * Participants consistently preferred lower concentrations of sucrose as they aged.
    • * The findings align with previous observations in rodent models.

    Conclusions:

    • * Human preference for sweet tastes diminishes naturally during the transition from adolescence to young adulthood.
    • * This age-related decline in sweet preference suggests a developmental trajectory in taste perception.
    • * The results support the hypothesis that heightened sweet preferences in youth decrease with age, similar to findings in rats.

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