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carotenoid
(redirected from Carotinoid)

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
carotenoid /ca·rot·e·noid/ (kah-rot´e-noid)
1. any of a group of red, orange, or yellow pigmented polyisoprenoid hydrocarbons synthesized by prokaryotes and higher plants and concentrating in animal fat when eaten; examples are ß-carotene, lycopene, and xanthophyll.
2. marked by yellow color.

provitamin A carotenoids  carotenoids, particularly the carotenes, that can be converted to vitamin A in the body.

ca·rot·e·noid (k-rtn-oid)
n.
Any of a class of yellow to red pigments, including the carotenes and the xanthophylls.
adj.
Of, relating to, or characterizing such a pigment.

carotenoid
1. any member of a group of red, orange or yellow pigmented polyisoprenoid lipids found in carrots, sweet potatoes, green leaves and some animal tissues; examples are the carotenes, lycopene and xanthophyll.
2. marked by yellow color.
3. lipochrome.

carotenoid pigments
contribute to the yellow staining of fatty tissues especially in horses, Channel Island breeds of cattle and old cats.

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A multicenter case-control study of diet and lung cancer among nonsmokers showed a protective effect with high consumption of tomatoes, lettuce, carrots, margarine, and cheese; only weak protective effects are linked to high consumption of carotinoids, [Beta]-carotene, and retinol (40).
These Concerns are based on research that characterizes the diets of college students as low in energy, fiber, calcium, iron, vitamin A and carotinoids, and high in fat (Huang, Song, Schemmell, & Hoerr, 1994; Hertzler, Webb, & Frary, 1995; Schuette, Song, & Hoerr, 1996; Walter and Soliah, 1997).
 
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