Betekenis van:
provitamin a

provitamin a
Zelfstandig naamwoord
    • an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver

    Synoniemen

    Hyperoniemen

    Hyponiemen


    Voorbeeldzinnen

    1. Betaine is not a vitamin or a provitamin of heading 2936.
    2. Betaine is not a vitamin or a provitamin of heading 2936. It is a quarternary intramolecular ammonium salt [see also the Harmonized System Explanatory Notes (HS EN) to heading 2923, fourth paragraph (6)].