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Plant sterols are components of plant cell membranes and occur as free sterols, sterol esters, sterol glycosides, and acylated sterol glycosides.1 They are precursors of the brassinosteroid family of plant growth regulators and have roles in transmembrane signal transduction and cell proliferation and differentiation. Plant Sterol Mixture contains brassicasterol (14%), campesterol (28%), stigmasterol (12%), and β-sitosterol (43%) and is intended for use as a reference standard for the detection of these plant sterols in various sample types by GC-FID, GC-MS, or LC-MS. This mixture is supplied in an amber ampule in which the headspace has been purged with argon to prevent lipid oxidation. [Matreya, LLC. Catalog No. 1119]
WARNING This product is not for human or veterinary use.
1. Plant sterols: Diversity, biosynthesis, and physiological functions. Biochemistry (Mosc.) 81(8), 819-834 (2016).