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.

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Look at other dictionaries:

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  • 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

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  • 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

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  • 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

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