Stigmasterol is a phytosterol with a molecular weight of 412.691 and a formula of C29H48O. It is also known as Wulzen anti-stiffness factor. Stigmasterol is one of a group of plant sterols, or phytosterols, that includes beta-sitosterol, campesterol, ergosterol (provitamin D2), brassicasterol, delta-7-stigmasterol and delta-7-avenasterol, that are chemically similar to animal cholesterol. The structures of beta-sitosterol and campesterol are virtually indistinguishable from that of cholesterol.… (More on Stigmasterol)