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[Aging and resorption]

F Dietze, R Laue

    Zeitschrift Fur Die Gesamte Innere Medizin Und Ihre Grenzgebiete
    |February 15, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Older adults show slower enteral absorption but achieve sufficient nutrient uptake over a longer period. This study investigated D-xylose absorption and blood plasma response in relation to age.

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    Area of Science:

    • Gerontology
    • Human Physiology
    • Nutritional Science

    Context:

    • Investigating age-related changes in physiological functions is crucial for understanding health and disease in later life.
    • Enteral absorption, the process by which nutrients are taken into the body through the digestive tract, can be influenced by various factors, including age.
    • D-xylose, a pentose sugar, is commonly used to assess gastrointestinal absorption capacity.

    Purpose:

    • To determine the relationship between aging and the rate and extent of enteral absorption.
    • To analyze the D-xylose absorption and blood plasma response in young versus elderly healthy individuals.

    Summary:

    • The study utilized D-xylose to evaluate enteral absorption across different age groups.
    • Statistically significant differences in D-xylose absorption and blood plasma levels were observed between young and old healthy participants.

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  • While the absorption process is slower in older individuals, sufficient absorption is achieved over a prolonged period due to a diminished passage rate of ingested substances.

    • Impact:

    • Provides insights into age-related alterations in gastrointestinal function.
    • Informs nutritional strategies and healthcare for the elderly population.
    • Highlights the importance of considering passage time in assessing nutrient absorption in older adults.