title: Studies on phytosterol biosynthesis. The presence of  4-alpha,14-alpha-dimethyl-delta-8,24(28)-ergostadien-3-beta-ol in grapefruit peel and its co-occurrece with cycloeucalenol in higher plant tissues.
mesh_terms: D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D003525:Cyclosteroids / Q000032:analysis; D008954:Models, Biological; D010945:Plants, Edible / Q000032:analysis*; D012822:Silicon Dioxide; D013053:Spectrophotometry; D013057:Spectrum Analysis; D013261:Sterols / Q000032:analysis*
chemical_list: D003525:Cyclosteroids; D013261:Sterols; D012822:Silicon Dioxide