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Taste differences between cigarette smokers and nonsmokers.

K Redington

    Pharmacology, Biochemistry, and Behavior
    |August 1, 1984
    PubMed
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    Cigarette smokers who could smoke after a glucose load found sweet tastes less pleasant. This effect was not observed in non-smokers or smokers who did not smoke, indicating smoking influences sweet taste perception.

    Area of Science:

    • Sensory science
    • Human taste perception
    • Behavioral neuroscience

    Background:

    • Smoking is known to affect sensory perception, including taste.
    • The impact of glucose ingestion on taste perception in smokers versus non-smokers requires further investigation.
    • Understanding how smoking and glucose interact with taste can inform public health strategies.

    Purpose of the Study:

    • To investigate the effect of smoking and glucose load on the pleasantness and intensity ratings of sweet, salty, and bitter taste solutions.
    • To compare taste perception changes between cigarette smokers (allowed to smoke vs. not allowed to smoke) and non-smokers following a glucose load.

    Main Methods:

    • Taste tests were conducted on three groups: smokers allowed to smoke, smokers not allowed to smoke, and non-smokers.

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  • Participants rated the pleasantness and intensity of sugar, salt, and quinine solutions.
  • Taste tests were performed before and after the ingestion of a glucose load.

    • Main Results:

    • Before the glucose load, no significant differences in taste ratings were found between the groups.
    • After the glucose load, smokers allowed to smoke significantly decreased their pleasantness ratings for very sweet solutions.
    • Non-smokers and smokers not smoking did not show significant changes in pleasantness ratings for sweet tastes post-glucose; no group altered intensity ratings or ratings for salt/quinine solutions.

    Conclusions:

    • Smoking appears to modulate the pleasantness of sweet tastes, particularly after glucose consumption.
    • The ability to smoke following a glucose load alters sweet taste perception in smokers.
    • These findings suggest a complex interaction between smoking, glucose metabolism, and gustatory reward pathways.