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    Appl Microbiol. 1965 Nov;13(6):876-81.

    Production of egg yolk coloring material by a fermentation process.

    Abstract

    Rhodotorula mucilaginosa was cultivated in a yeast propagator, for the production of biomass and carotenoids. A spray-dried preparation of the yeast was incorporated into the diets of laying chickens for the promotion of egg yolk color. Several aspects of the effect of media on growth and carotenogenesis of pigmented yeast were examined. Addition of 1 to 2% of Rhodotorula yeast to the feeding mixture considerably improved egg yolk color. The possibility of using carotenogenic yeasts as a feed supplement is suggested.

    PMID:
    5893694
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC1058365
    Free PMC Article

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