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 (ûr-gŏs′tə-rôl′, -rōl′)
A crystalline sterol, C28H43OH, synthesized by yeast from sugars or derived from ergot and converted to vitamin D2 when exposed to ultraviolet radiation.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Botany) a plant sterol that is converted into vitamin D by the action of ultraviolet radiation. Formula: C28H43OH
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ɜrˈgɒs təˌroʊl, -rɔl)

a colorless, crystalline, water-insoluble sterol, C28H43OH, that occurs in ergot and yeast and that, when irradiated with ultraviolet light, is converted to vitamin D.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ergosterol - a plant sterol that is converted into vitamin D by ultraviolet radiation
steroid alcohol, sterol - any of a group of natural steroid alcohols derived from plants or animals; they are waxy insoluble substances
calciferol, cholecalciferol, D, ergocalciferol, viosterol, vitamin D - a fat-soluble vitamin that prevents rickets
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Natamycin helps in protecting foods through a unique mechanism that targets ergosterol in the cell wall.
Mushrooms rich in vitamins A, D, E and K along with ergosterol content are thought to be the only vegetarian source for vitamin D (Rathore et al.
This is because ergosterol, which is the pro-vitamin contained within mushrooms is converted into vitamin D2 when exposed to the sun's ultraviolet (UV) rays.
We conducted total ergosterol extraction using the protocol described by Arthington-Skaggs et al.
Recently, we showed that geraniol alters fungal cell morphology, significantly reduces ergosterol levels and inhibits glucose induced [H.sup.+] efflux suggesting that it disrupts cell membrane integrity by interfering with ergosterol biosynthesis and [H.sup.+] ATPase activity (18).
CYP51 enzymes are essential components of the pathway leading to the synthesis of ergosterol, a major sterol of the plasma membrane of most fungi (9).
Then, no direct correlation was found among these three parameters (Table 5) indicating that the antiradical capacity might be influence by other chemical classes in mushrooms such as phytosterols (ergosterol), glycosides, polysaccharides, ergothioneine, carotenoids, ascorbic acid, other vitamins, and minerals.