Stigmasterol
Stigmasterol is a plant-derived steroidal sapogenin, structurally similar to cholesterol, found in various plants and some animal sources, which exhibits weak estrogenic activity and has potential uses in the pharmaceutical industry.
Sitosterols
A family of sterols commonly found in plants and plant oils. Alpha-, beta-, and gamma-isomers have been characterized.
Phytosterols
A class of organic compounds known as STEROLS or STEROIDS derived from plants.