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  • Title: Oxidation of 3 beta- and 17 beta-hydroxysteroids by Nocardia rubra cells in heptane-water system.
    Author: Osipowicz B, Krezel Z, Siewiński A.
    Journal: J Basic Microbiol; 1992; 32(3):215-6. PubMed ID: 1512713.
    Abstract:
    Oxidation of cholesterol, beta-sitosterol, pregnenolone, androstenolone and 5-androsten-3 beta,17 beta-diol carried out by Nocardia rubra cells in a mixture of heptane-water (25:1 vol.) gave 4-en-3-oxo-steroids with the yield to 100% (cholesterol). Simultaneously oxidation of 17 beta-hydroxy group in androstendiol and in testosterone was observed as well.
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