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Carnitine status in Thai adults

V Tanphaichitr, N Lerdvuthisopon, S Dhanamitta

    The American Journal of Clinical Nutrition
    |April 1, 1980
    PubMed
    Summary

    Thai adults in Bangkok had higher plasma and urinary carnitine levels than those in Ubol. Ubol adults showed inadequate nutritional status, likely due to low dietary carnitine intake from rice.

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    Area of Science:

    • Nutritional Biochemistry
    • Human Physiology

    Background:

    • Carnitine is essential for energy metabolism.
    • Dietary intake significantly influences carnitine levels.
    • Regional variations in diet can impact nutritional status.

    Purpose of the Study:

    • To compare plasma and urinary carnitine levels in Thai adults from different regions.
    • To assess the nutritional status of these populations.
    • To investigate the relationship between diet, carnitine status, and nutritional markers.

    Main Methods:

    • Measurement of plasma and urinary carnitine levels.
    • Assessment of nutritional status through urinary creatinine, serum albumin, and hematocrit.
    • Dietary intake analysis.

    Main Results:

    • Bangkok adults exhibited higher mean plasma (56.6 +/- 1.8 µmol/L) and urinary carnitine (161 +/- 19 µmol/L) compared to Ubol adults (50.3 +/- 1.7 µmol/L and 127 +/- 18 µmol/L, respectively).
    • Ubol adults displayed markers of inadequate nutritional status, including decreased urinary creatinine, serum albumin, and hematocrit.
    • Low dietary carnitine intake from rice, the primary food source in Ubol, was identified as a likely cause of their carnitine deficiency.

    Conclusions:

    • Dietary carnitine availability is a critical determinant of carnitine status in Thai adults.
    • Rice-based diets may lead to inadequate carnitine levels and compromised nutritional status.
    • Sex influences carnitine levels, potentially related to lean body mass and its correlation with carnitine excretion.

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