Definitions for ergocalciferol
This page provides all possible meanings and translations of the word ergocalciferol
vitamin D, calciferol, viosterol, ergocalciferol, cholecalciferol, D(noun)
a fat-soluble vitamin that prevents rickets
vitamin D2, one of the D vitamins, a group of related substances that prevent rickets.
Constituent of vitamin D and vitamin D.
Ergocalciferol is a provitamin form of vitamin D, also called vitamin D2. In isolated manufactured formats, it is marketed under various names including Deltalin, discontinued Drisdol, and Calcidol. Ergocalciferol is created when ultraviolet light activates ergosterol. Ergocalciferol may be used as a vitamin D supplement, and a 2011 clinical guideline considered it to be as effective as cholecalciferol, which is produced naturally by the skin when exposed to ultraviolet light. Conflicting evidence exists for how similarly D2 and D3 behave in the body and whether they are equally active, with preliminary studies suggesting D3 is more potent, while others report equal efficacy. Cholecalciferol is sensitive to UV radiation and rapidly, but reversibly, forms other sterols which can further irreversibly convert to ergosterol.
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"ergocalciferol." Definitions.net. STANDS4 LLC, 2015. Web. 2 Jul 2015. <http://www.definitions.net/definition/ergocalciferol>.