beta-carotene

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• Beta-carotene — Bêta carotène β carotène Général Synonymes C.I. 40800 C.I. 75130 C.I. Food Orange 5 …   Wikipédia en Français

• Beta-carotène — Bêta carotène β carotène Général Synonymes C.I. 40800 C.I. 75130 C.I. Food Orange 5 …   Wikipédia en Français

• Béta-carotène — 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

• beta carotene — n. a yellowish form of carotene: a dietary deficiency of this is associated with a greater risk of certain cancers …   English World dictionary

• Bêta-carotène — β carotène Général Synonymes C.I. 40800 C.I. 75130 C.I. Food Orange 5 …   Wikipédia en Français

• Beta-carotene — Chembox new ImageFile=Beta carotene 2D skeletal.png ImageSize= 250px ImageFile2=BetaCarotene 3d.png ImageSize2= 250px IUPACName=1,3,3 trimethyl 2 [(1E,3E,5E,7E,9E,11E, 13E,15E,17E) 3,7,12,16 tetramethyl 18 (2, 6,6 trimethyl 1 cyclohexenyl)… …   Wikipedia

• Beta carotene — An antioxidant that protects cells against oxidation damage. Beta carotene is converted to vitamin A. Food sources of beta carotene include vegetables such as carrots, sweet potatoes, spinach and other leafy green vegetables; and fruit such as… …   Medical dictionary

• beta-carotene — noun an isomer of carotene that is found in dark green and dark yellow fruits and vegetables • Hypernyms: ↑provitamin A, ↑carotene, ↑carotin, ↑carotenoid * * * ˌbeta ˈcarotene 7 [beta carotene] …   Useful english dictionary

• beta carotene — A substance found in yellow and orange fruits and vegetables and in dark green, leafy vegetables. The body can make vitamin A from beta carotene. Beta carotene is being studied in the prevention of some types of cancer. It is a type of… …   English dictionary of cancer terms

• Beta-carotene 15,15'-monooxygenase — In enzymology, a beta carotene 15,15 monooxygenase (EC number|1.14.99.36) is an enzyme that catalyzes the chemical reaction:beta carotene + O2 ightleftharpoons 2 retinalThus, the two substrates of this enzyme are beta carotene and O2, whereas its …   Wikipedia

• beta-carotene — noun A common form of carotene See Also: alpha carotene …   Wiktionary