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Sucrose taste thresholds: age-related differences

L M Moore, C R Nielsen, C M Mistretta

    Journal of Gerontology
    |January 1, 1982
    PubMed
    Summary
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    Older adults show a slight decrease in sucrose taste sensitivity, but individual variation is high. This suggests taste perception changes minimally with age due to cell regeneration.

    Area of Science:

    • Gerontology
    • Sensory Science
    • Taste Perception

    Background:

    • Age-related sensory changes can impact quality of life.
    • Previous research indicated minor age-related changes in salt taste acuity.

    Purpose of the Study:

    • To quantify age-related changes in sucrose taste detection thresholds.
    • To investigate the variability of taste sensitivity in older adults.

    Main Methods:

    • Sucrose taste detection thresholds were measured in 71 adults (20-88 years).
    • A forced-choice, tracking procedure with inter-stimulus rinses was employed.
    • This method minimizes response bias and ensures accurate threshold determination.

    Main Results:

    • A statistically significant decrease in sucrose taste sensitivity was observed with increasing age.

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  • The decline in sensitivity was modest, not profound.
  • Taste thresholds exhibited high variability among elderly participants.

    • Conclusions:

    • Taste sensitivity to sucrose shows a slight, age-related decline.
    • High variability in thresholds suggests individual differences in aging taste perception.
    • Findings align with the continuous cell replacement in adult taste buds.