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retinene

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Retinene - Wikipedia
The retinenes are chemical derivatives of vitamin A (see retinol) formed through oxidation reactions. Chemical structure of retinene1 (retinal). en.wikipedia.org
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RETINENE Definition & Meaning - Dictionary.com
Retinene definition: the aldehyde form of the polyene retinol (vitamin A) that associates with the protein opsin to form the visual purple pigment rhodopsin ... www.dictionary.com
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RETINENE Definition & Meaning - Merriam-Webster
: either of two aldehydes derived from vitamin A: a : retinal b : an orange-red crystalline compound C 20 H 26 O related to vitamin A 2 and formed from ... www.merriam-webster.com
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retinene
retinene Biochem. (ˈrɛtɪniːn) [f. retina + -ene.] Either of two closely related yellow carotenoids, the aldehydes of vitamins A1 and A2 respectively (spec. that of the former), which occur esp. in the retina combined with opsin as rhodopsin; (sometimes followed by distinguishing numeral). Now more u... Oxford English Dictionary
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retinene - Wiktionary, the free dictionary
retinene (plural retinenes). (biochemistry) Either of two carotenoid pigments found in the retina and produced from vitamin A; retinal. en.wiktionary.org
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Retinene - an overview | ScienceDirect Topics
Retinene is defined as a type of retinal protein that contains retinal (vitamin A aldehyde) as a chromophore and is typically bound to biological membranes, ... www.sciencedirect.com
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RETINENE definition in American English - Collins Dictionary
The aldehyde form of the polyene retinol (vitamin A) that associates with the protein opsin to form.... Click for pronunciations, examples sentences, video. www.collinsdictionary.com
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Retinal - Wikipedia
Retinal was originally called retinene, and was renamed after it was discovered to be vitamin A aldehyde. Vertebrate animals ingest retinal directly from meat, ... en.wikipedia.org
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RETINENE ISOMERASE - PMC
The bleaching of rhodopsin releases all-trans retinene which must be isomerized back to neo-b in order for rhodopsin to regenerate. Both retinene isomers are in ... pmc.ncbi.nlm.nih.gov
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Preparation of Retinene in Vitro - Nature
RETINENE, obtained by Wald from dark-adapted retinas, is defined as the chromogen responsible for a maximum at 664 mµ in the absorption spectrum of the blue ... www.nature.com
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Retinal isomerase
Other names are retinene isomerase, and retinoid isomerase. This enzyme participates in the retinol metabolism. wikipedia.org
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retinal
▪ I. retinal, n. Biochem. (ˈrɛtɪnæl) [f. retina + -al2.] = retinene; usu. spec. vitamin A1 aldehyde. Also retiˈnaldehyde in the same sense.1944 Morton & Goodwin in Nature 1 Apr. 406/1 The elegance and accuracy of Wald's work on retinal extracts makes us hesitate to suggest that the term retinene is ... Oxford English Dictionary
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Dehydroretinal
See also Retinene References Vision Signal transduction Apocarotenoids Photosynthetic pigments Vitamins wikipedia.org
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opsin
opsin Biochem. (ˈɒpsɪn) [Back-formation from rhodopsin s.v. rhodo-.] A protein liberated from rhodopsin by the action of light.1951 G. Wald in Science 15 Mar. 287/2 Rhodopsin and porphyropsin are carotenoid-proteins—proteins bearing carotenoid prosthenic groups to which they owe their color and sens... Oxford English Dictionary
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Retinal oxidase
This enzyme is also called retinene oxidase. This enzyme participates in retinol metabolism. References EC 1.2.3 Enzymes of unknown structure wikipedia.org
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