title: Microbiological transformations of beta-sitosterol and stigmasterol by a soil pseudomonad.
abstract: Fermentation of beta-sitosterol by a soil pseudomonad resulted in the formation of 4-stigmasten-3-one, 4-stigmasten-3-one-6 beta-ol and 5-stigmasten-3 beta, 7 alpha-diol. In case of stigmasterol the metabolites isolated and characterized were 4,22-stigmastadien-3-one, 4,22-stigmastadien-3-one-6 beta-ol and 5,22-stigmastadien-3 beta, 7 alpha-diol.
mesh_terms: D007536:Isomerism; D009904:Optical Rotation; D010840:Phytosterols / Q000378:metabolism*; D011549:Pseudomonas / Q000378:metabolism*; D012855:Sitosterols / Q000378:metabolism*; D013265:Stigmasterol / Q000378:metabolism*
chemical_list: D010840:Phytosterols; D012855:Sitosterols; C025473:gamma-sitosterol; D013265:Stigmasterol