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  • Title: [Effect of organic acids on the biosynthesis of carotenes by an Actinomyces chrysomallus strain].
    Author: Nefelova MV, Sverdlova AN, Alekseeva LN.
    Journal: Mikrobiologiia; 1978; 47(2):208-11. PubMed ID: 661630.
    Abstract:
    Synthesis of carotenes by Actinomyces chrysomallus var. carotenoides was stimulated by citric, acetic, oxalacetic, fumaric, succinic, malic, alpha-ketoglutaric, tartaric, pyruvic, and propionic acids. Acetic acid acts as a precursor of carotene synthesis and also has another stimulating mechanism of action on carotenogenesis of the actinomycete. Acetic, furmaric, malic, succinic, and alpha-ketoglutaric acids stimulate cyclization of lycopene yielding beta-carotene.
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