Find the word definition

Wiktionary
beta-sitosterol

alt. (context organic compound English) A phytosterol found in many plant sources; it is used to reduce blood cholesterol n. (context organic compound English) A phytosterol found in many plant sources; it is used to reduce blood cholesterol

Wikipedia
Beta-Sitosterol

β-Sitosterol (beta-sitosterol) is one of several phytosterols (plant sterols) with chemical structures similar to that of cholesterol. Sitosterols are white, waxy powders with a characteristic odor. They are hydrophobic and soluble in alcohols.