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de·hy·dro·ret·i·nol (de-hi″dro-retґĭ-nol) a form of vitamin A, vitamin A2, occurring with retinol in freshwater fish; it is similar in structure to retinol, but has an additional conjugated double bond and only approximately one third the biological activity.Medical dictionary. 2011.
dehydroretinol — noun A derivative of retinol having an extra double bond; vitamin A2 … Wiktionary
Dehydroretinol — De|hy|d|ro|re|ti|nol [↑ Dehydro ] ↑ Retinol … Universal-Lexikon
dehydroretinol — noun a viscous alcohol that is less active in mammals than is vitamin A1 • Syn: ↑vitamin A2 • Hypernyms: ↑vitamin A, ↑antiophthalmic factor, ↑axerophthol, ↑A … Useful english dictionary
dehydroretinaldehyde — Dehydroretinol with –CHO instead of –CH2OH at the terminal carbon of the side chain. SYN: retinene 2, vitamin A2 aldehyde … Medical dictionary
dehydroretinoic acid — Dehydroretinol with –COOH in place of –CH2OH at the terminal carbon of the side chain … Medical dictionary
C20H28O — vitamin A2 vitamin A2 n. dehydroretinol ({C20H28O}), one of the substances also called {vitamin A}. It has about 40% of the bioactivity of vitamin A1. Syn: dehydroretinol. [WordNet 1.5 +PJC] … The Collaborative International Dictionary of English
vitamin A — vitamin A2 vitamin A2 n. dehydroretinol ({C20H28O}), one of the substances also called {vitamin A}. It has about 40% of the bioactivity of vitamin A1. Syn: dehydroretinol. [WordNet 1.5 +PJC] … The Collaborative International Dictionary of English
vitamin A2 — n. dehydroretinol ({C20H28O}), one of the substances also called {vitamin A}. It has about 40% of the bioactivity of vitamin A1. Syn: dehydroretinol. [WordNet 1.5 +PJC] … The Collaborative International Dictionary of English
George Wald — (* 18. November 1906 in New York, USA; † 12. April 1997 in Cambridge, Massachusetts, USA) war ein US amerikanischer Physiologe und Nobelpreisträger. Wald wurde 1932 an der Columbia University zum PhD in Zoologie promoviert. Anschließend folgten… … Deutsch Wikipedia
Vitamin A — Retinoide (Vitamin A) und ihre Interkonversion Vitamin A bezeichnet mehrere chemische Verbindungen, die in allen Tieren biologische Funktionen haben. Sie werden teilweise direkt mit der Nahrung aufgenommen oder aus Carotinen (Provitamin A)… … Deutsch Wikipedia
