ergosterol

IPA: ˈɝgʌstɝɔɫ

(biochemistry, steroids, mycology) The steroid precursor of vitamin D₂. It is found in cell membranes of fungi, and is their functional equivalent of cholesterol. It is also found in the membranes of some protists.

Examples of "ergosterol" in Sentences

Jimmy, I'm not sure about this activated ergosterol.
Have you ever heard of a cow that activated ergosterol?
" And Amanda would answer, "The label states that this carton contains activated ergosterol.
Another sterol which Windaus has studied in detail, is ergosterol, which occurs partly in ergot and partly in yeast.
For example, it has been found that 5 mg of irradiated ergosterol has the same action in this respect as 1 litre of good cod-liver oil.
In addition, and especially important to its effectiveness as a remedy for ulcers and running sores, it is a rich source of ergosterol, which is converted by the sun's ultraviolet rays into vitamin D.
It can be considered proved, therefore, that ergosterol, or possibly a sterol, the physiological effects of which correspond completely with those of ergosterol, constitutes the antirachitic provitamin, i.e. the mother substance of vitamin
The research carried out in recent years, in which Windaus himself has also played a leading part, has revealed the very important fact that, on being irradiated with ultraviolet light, this ergosterol assumes exactly the same properties as the antirachitic vitamin, "vitamin D", i.e. it will cure rachitis