Über das Vorkommen von Sterinen in Bakterien.

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Abstract
Azotobacter chroococcum was grown on a medium in which the only organic constituent was sterol-free glucose. The unsaponifiable fraction of the acetone-soluble fat from the bacteria yielded an insoluble digitonide from which a sterol was prepared, representing 0.13% of the fat. The sterol m. 156[degree]-158[degree] C, and had [[alpha]]D= [long dash]16[degree] in CHCl3; it differed from all known pure sterols and was probably a mixture. It gave a positive Liebermann-Burchard test and a Salkowski reaction similar to that given by ergosterol.

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