e/7-Dehydrocholesterol

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has glosseng: 7-Dehydrocholesterol is a zoosterol that functions in the serum as a cholesterol precursor, and is converted to vitamin D3 in the skin, therefore functioning as provitamin-D3. The presence of this compound in human skin enables humans to manufacture vitamin D3 from ultra-violet rays in the sun light, via an intermediate isomer pre-vitamin D3. It is also found in the milk of several mammalian species. It was discovered by Nobel-laureate organic chemist Adolf Windaus.
lexicalizationeng: 7-dehydrocholesterol
instance of(noun) (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
chemical compound, compound
Meaning
German
has glossdeu: 7-Dehydrocholesterol ist ein Sterin, welches der Vorläufer von Cholesterin und Cholecalciferol (Vitamin D3) ist. 7-Dehydrocholesterol wurde vom späteren Nobelpreisträger Adolf Windaus entdeckt.
lexicalizationdeu: 7-Dehydrocholesterol
Italian
has glossita: Il 7-deidrocolesterolo è uno sterolo che funge, nel plasma, come precursore del colesterolo, per poi essere convertito in colecalciferolo nella pelle, fungendo da provitamina D3. Il composto, oltre a essere sintetizzato a livello della pelle, si trova anche nel latte di numerose specie di mammiferi. Il 7-deidrocolesterolo è stato scoperto dal premio Nobel Adolf Windaus.
lexicalizationita: 7-deidrocolesterolo
Japanese
has glossjpn: 7-デヒドロコレステロール (7-dehydrocholesterol) は、ズーステロール(動物ステロール)の一種で、プロビタミンD3 と呼ばれる有機化合物。人の体内の皮膚の近くで、この化合物は紫外光の作用によりビタミンD3(コレカルシフェロール)に変わる。コレステロールから、7、8位の水素が失われて二重結合となった構造を持つ。
lexicalizationjpn: 7-デヒドロコレステロール
Polish
has glosspol: 7-dehydrocholesterol - organiczny związek chemiczny pochodna cholesterolu, będący prowitaminą D3. Pod wpływem promieniowania UV powstaje z niego w skórze prowitamina D3, która ulega przekształceniu do nisko aktywnej formy: lumisterolu, bądź tachysterolu, z których pod wpływem ciepła powstaje właściwa witamina D3 czyli cholekalcyferol.
lexicalizationpol: 7-dehydrocholesterol
Urdu
lexicalizationurd: 7-Dehydrocholesterol
Media
media:img7-Dehydrochlolesterol.png
media:img7-Dehydrocholesterin.svg
media:img7-dehydrocholesterol.svg
media:imgReaction-PrevitaminD3-VitaminD3.png
media:imgSkinlayers.png

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