carotenoid


carotenoid
1. Resembling carotene; having a yellow color. 2. One of the carotenoids.

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ca·rot·en·oid also ca·rot·in·oid kə-'rät-ən-.ȯid n any of various usu. yellow to red pigments (as carotenes) found widely in plants and animals and characterized chemically by a long aliphatic polyene chain composed of eight isoprene units
carotenoid adj

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n.
any one of a group of about 100 naturally occurring yellow to red pigments found mostly in plants. The group includes the carotene.

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ca·rot·e·noid (kə-rotґə-noid) 1. any group of pigments, yellow to deep red in color, chemically consisting of tetraterpene (polyisoprene) hydrocarbons. Carotenoids are synthesized by prokaryotes and higher plants, and they concentrate in animal fat when eaten (where they are called lipochromes). Examples are β-carotene, cryptoxanthin, lycopene, and xanthophyll. 2. marked by a yellow color.

Medical dictionary. 2011.

Look at other dictionaries:

  • carotenoid — carotenoíd adj. m., pl. carotenoízi; f. sg. carotenoídă, pl. carotenoíde Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic  CAROTENOÍD, Ă, carotenoízi, de, adj., s.n. 1 …   Dicționar Român

  • carotenoid — or carotinoid [kə rät′ n oid΄] n. any of several red and yellow plant and animal pigments related to and including carotene adj. 1. of or like carotene 2. of the carotenoids …   English World dictionary

  • Carotenoid — Carotenoids are organic pigments that are naturally occurring in chromoplasts of plants and some other photosynthetic organisms like algae, some types of fungus and some bacteria.There are over 600 known carotenoids; they are split into two… …   Wikipedia

  • carotenoid — also carotinoid noun Date: 1911 any of various usually yellow to red pigments (as carotenes) found widely in plants and animals and characterized chemically by a long aliphatic polyene chain composed of eight isoprene units • carotenoid adjective …   New Collegiate Dictionary

  • carotenoid — karotenoidas statusas T sritis chemija apibrėžtis Karotenui giminingas izoprenoidas. atitikmenys: angl. carotenoid rus. каротиноид …   Chemijos terminų aiškinamasis žodynas

  • carotenoid — 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

  • carotenoid — a carbon compound found in the eggs, gonads, liver, flesh and chromatophores of fishes, to which it imparts yellow, orange and red colours. Taraxanthin, canthaxantin, lutein, zeaxanthin, astaxanthin and carotene carotenoids are found in fishes,… …   Dictionary of ichthyology

  • carotenoid — /keuh rot n oyd /, Biochem. n. 1. any of a group of red and yellow pigments, chemically similar to carotene, contained in animal fat and some plants. adj. 2. similar to carotene. 3. pertaining to carotenoids. Also, carotinoid. [1910 15; CAROTENE… …   Universalium

  • carotenoid — 1. noun Any of a class of yellow to red plant pigments including the carotenes and xanthophylls. 2. adjective Of, or relating to such a class of pigments …   Wiktionary

  • carotenoid — n. any red or yellow pigment which is similar to carotene and found in plants and animals …   English contemporary dictionary


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