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Related Experiment Videos

Ascorbic acid and melanogenesis

A V Ratnam, P B Sastry, B V Satyanarayana

    The British Journal of Dermatology
    |August 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Vitiligo patients showed lower ascorbic acid levels in their skin compared to controls. While plasma and urine levels were similar, further research is needed to confirm this skin vitamin C difference.

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    Area of Science:

    • Biochemistry
    • Dermatology
    • Nutritional Science

    Background:

    • Vitiligo is a skin condition affecting pigmentation.
    • Ascorbic acid (vitamin C) is a vital antioxidant with potential roles in skin health.
    • Understanding nutrient levels in vitiligo is crucial for potential therapeutic strategies.

    Purpose of the Study:

    • To investigate ascorbic acid levels in the skin, plasma, and urine of vitiligo patients.
    • To compare these levels with those in normal subjects.
    • To assess the impact of ascorbic acid saturation on these levels.

    Main Methods:

    • Ascorbic acid content was measured in skin, plasma, and urine samples.
    • Measurements were taken from 12 vitiligo cases, 1 albino subject, and 10 normal controls.

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  • All measurements were repeated after ascorbic acid saturation.

    • Main Results:

    • No significant differences in plasma or urine ascorbic acid levels were observed between vitiligo patients and controls.
    • A trend towards decreased ascorbic acid content in vitiliginous skin was noted.
    • This decrease in skin ascorbic acid approached statistical significance (P = 0.05).

    Conclusions:

    • Vitiligo may be associated with reduced ascorbic acid levels specifically in the skin.
    • Plasma and urinary ascorbic acid levels do not appear to be significantly altered in vitiligo.
    • Larger-scale studies are recommended to validate the observed trend in skin ascorbic acid levels.