| Alpha-carotène | |
|---|---|
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| Général | |
| No CAS | |
| No E | E160a |
| SMILES |
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| InChI |
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| Propriétés chimiques | |
| Formule brute | C40H56 [Isomères] |
| Masse molaire | 536,8726 g∙mol-1 C 89,49 %, H 10,51 %, |
| Propriétés physiques | |
| T° fusion | 187,5 °C |
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L'α-Carotene est la deuxième forme de carotène la plus répandue.
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Contenu soumis à la licence CC-BY-SA. Source : Article Α-carotène de Wikipédia en français (auteurs)
Carotene — Carotène La coloration des plumes du flamant rose est dû à l accumulation de carotène contenu dans son alimentation. Le carotène est un terpène découvert en 1881 par Wachenroder. C est un pigment de couleur orange, dimère de la vitamine A. Il est … Wikipédia en Français
carotène — [ karɔtɛn ] n. m. • 1924; carottine n. f. 1846; de carotte ♦ Biochim. Pigment caroténoïde, de formule C40H56, précurseur de la vitamine A, trouvé dans des végétaux ou dans certains tissus animaux. Crème bronzante au carotène. ● carotène nom… … Encyclopédie Universelle
carotene — hydrocarbon found in carrots and other plants, 1861, from Ger. carotin, coined 1831 by H.W.F. Wackenroder from L. carota carrot (see CARROT (Cf. carrot)) + German form of chemical suffix INE (Cf. ine) (2), denoting a hydrocarbon … Etymology dictionary
carotene — ► NOUN ▪ an orange or red plant pigment found notably in carrots, important in the formation of vitamin A. DERIVATIVES carotenoid noun. ORIGIN from Latin carota carrot … English terms dictionary
carotene — [kar′ətinkar′ə tēn΄] n. [< L carota, CARROT + ENE] any of several red or orange colored isomeric hydrocarbons, C40H56, found in butter and in carrots and certain other vegetables, and changed into vitamin A in the liver: sometimes called… … English World dictionary
Carotene — The term carotene is used for several related substances having the formula C40H56. Carotene is an orange photosynthetic pigment important for photosynthesis.It is responsible for the orange colour of the carrot and many other fruits and… … Wikipedia
Carotène — La coloration des plumes du flamant rose est dû à l accumulation de carotène contenu dans son alimentation. Le carotène est un terpène découvert en 1881 par Wachenroder. C est un pigment de couleur orange, dimère de la vitamine A. Il est… … Wikipédia en Français
Carotene (horse) — Thoroughbred racehorse infobox horsename = Carotene caption = sire = Great Nephew grandsire = Honeway dam = Carrot Top damsire = High Hat sex = Filly foaled = 1983 country = Canada colour = Chestnut breeder = Kinghaven Farms owner = Kinghaven… … Wikipedia
carotene — A class of carotenoids, yellow red pigments (lipochromes) widely distributed in plants and animals, notably in carrots, and closely related in structure to the xanthophylls and lycopenes and to the open chain squalene; of particular interest in… … Medical dictionary
Carotene 7,8-desaturase — In enzymology, a carotene 7,8 desaturase (EC number|1.14.99.30) is an enzyme that catalyzes the chemical reaction:neurosporene + AH2 + O2 ightleftharpoons lycopene + A + 2 H2OThe 3 substrates of this enzyme are neurosporene, AH2, and O2, whereas… … Wikipedia
Carotene, beta — An antioxidant, a substance that protects cells against oxidation damage which, it is thought, can lead to cancer. Beta carotene is converted, as needed, to vitamin A. Food sources of beta carotene include vegetables such as carrots, sweet… … Medical dictionary
