views updated May 18 2018

sterols Alcohols derived from the steroids; including cholesterol, ergosterol in yeast (the precursor for synthetic vitamin D2), sitosterol and stigmasterol in plants, and coprosterol in faeces.


views updated Jun 11 2018

phytosterol A steroid that occurs in plants. Although they are widespread, the functions of phytosterols are not clearly understood.


views updated Jun 27 2018

phytosterol General name given to sterols occurring in plants, the chief of which is sitosterol.