ergosterol /er·gos·te·rol/ (er-gos´tĕ-rol) a sterol occurring mainly in yeast and forming ergocalciferol (vitamin D2) on ultraviolet irradiation or electronic bombardment.
ergosterol
ergosterol [er-gos´ter-ol]
er·gos·ter·ol (ûr-g s t -rôl , -r l)n. A crystalline sterol synthesized by yeast from sugars or derived from ergot and converted to vitamin D2 when exposed to ultraviolet radiation. |
ergosterol
[ərgos′tərôl]
an unsaturated hydrocarbon of the vitamin D group isolated from yeast, mushrooms, ergot, and other fungi. When treated with ultraviolet irradiation it is converted into vitamin D2. See also calciferol, viosterol, vitamin D.
ergosterol [er-gos´ter-ol]
a sterol occurring in animal and plant tissues which on irradiation by ultraviolet rays converts to vitamin D2, a potent agent for the prevention of rickets, ergocalciferol.
ergosterol
a sterol occurring in animal and plant tissues which on ultraviolet irradiation becomes a potent antirachitic substance, vitamin D2 (ergocalciferol).
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