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Updated: May 25, 2026

Comprehensive Profiling of Dopamine Regulation in Substantia Nigra and Ventral Tegmental Area
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Published on: August 10, 2012

Dietary reference values for thiamin.

, Dominique Turck, Jean-Louis Bresson

    EFSA Journal. European Food Safety Authority
    |April 20, 2026
    PubMed
    Summary
    This summary is machine-generated.

    The European Food Safety Authority established dietary reference values for thiamin (vitamin B1), confirming existing average and population reference intakes for adults. These values are also recommended for infants, children, and during pregnancy and lactation.

    Keywords:
    average requirementdietary reference valuepopulation reference intakethiamin

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    Area of Science:

    • Nutrition Science
    • Dietary Reference Values
    • Vitamin B1 Metabolism

    Background:

    • Dietary reference values (DRVs) for thiamin (vitamin B1) were requested by the European Commission.
    • Previous recommendations were made by the Scientific Committee for Food (SCF) in 1993.

    Purpose of the Study:

    • To derive updated dietary reference values (DRVs) for thiamin (vitamin B1).
    • To evaluate existing thiamin intake data and requirements for various population groups.

    Main Methods:

    • Utilized data from adult depletion-repletion studies.
    • Assessed erythrocyte transketolase activity coefficient (αETK) and urinary thiamin excretion.
    • Applied a 20% coefficient of variation for population requirement distribution.

    Main Results:

    • Endorsed the average requirement (AR) of 0.072 mg/MJ (0.3 mg/1,000 kcal) for adults.
    • Endorsed the population reference intake (PRI) of 0.1 mg/MJ (0.4 mg/1,000 kcal) for adults.
    • Proposed the same AR and PRI for infants, children, and during pregnancy/lactation.

    Conclusions:

    • Confirmed existing thiamin DRVs for adults based on scientific evidence.
    • Extended these recommendations to other population groups assuming similar thiamin-to-energy requirement ratios.