E 499 STIGMASTEROL-RICH PLANT STEROLSSynonyms |Definition | Stigmasterol-rich plant sterols are derived from soybeans and are a chemically defined simple mixture that comprises not less than 95 % of plant sterols (stigmasterol, β-sitosterol, campesterol and brassicasterol), with stigmasterol representing not less than 85 % of the stigmasterol-rich plant sterols.Einecs |Chemical name |Stigmasterol | (3S,8S,9S,10R,13R,14S,17R)-17-(5-ethyl-6-methyl-hept-3-en-2-yl)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1Hcyclopenta[a]phenanthren-3-olβ-Sitosterol | (3S,8S,9S,10R,13R,14S,17R)-17-[(2S,5S)-5-ethyl-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1Hcyclopenta[a]phenanthren-3-olCampesterol | (3S,8S,9S,10R,13R,14S,17R)-17-(5,6-dimethylheptan-2-yl)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1Hcyclopenta[a]phenanthren-3-olBrassicasterol | (3S,8S,9S,10R,13R,14S,17R)-17-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1Hcyclopenta[a]phenanthren-3-olChemical formula |Stigmasterol | C29H48Oβ-Sitosterol | C29H50OCampesterol | C28H48OBrassicasterol | C28H46OMolecular weight |Stigmasterol | 412,6 g/molβ-Sitosterol | 414,7 g/molCampesterol | 400,6 g/molBrassicasterol | 398,6 g/molAssay (products containing only free sterols and stanols) | Content not less than 95 % on a total free sterol/stanol basis on the anhydrous basisDescription | Free-flowing, white to off-white powders, pills or pastilles; colourless to pale yellow liquidsIdentification |Solubility | Practically insoluble in water. Phytosterols and phytostanols are soluble in acetone and ethyl acetate.Stigmasterol content | Not less than 85 % (w/w)Other plant sterols/stanols: either singularly or in combination including Brassicasterol, campestanol, campesterol, Δ-7-campesterol, cholesterol, chlerosterol, sitostanol and β-sitosterol. | Not more than 15 % (w/w)Purity |Total Ash | Not more than 0,1 %Residual Solvents | Ethanol: Not more than 5000 mg/kgMethanol: Not more than 50 mg/kgWater content | Not more than 4 % (Karl Fischer method)Arsenic | Not more than 3 mg/kgLead | Not more than 1 mg/kgMicrobiological criteria |Total plate count | Not more than 1000 CFU/gYeasts | Not more than 100 CFU/gMoulds | Not more than 100 CFU/gEscherichia coli | Not more than 10 CFU/gSalmonella spp. | Absent in 25 g