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Carotenoids

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Carotenoids
Carotenoids are yellow to deep-red pigments.
Mentioned in: Vitamin A Deficiency

carotenoids (k·rˑ·te·noidz),
n.pl fat-soluble plant pigments whose functions include photosynthesis, providing bright coloration (red, orange, and yellow), and protecting from light and oxygen (antioxidants). In humans, carotenoids are useful as an-tioxidants (compounds which prevent tissue damage and degeneration). See also beta-carotene, lutein, and lycopene.


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They acquire their pink color by eating shrimp, plankton, and other foods that contain carotenoids [pigments found in plants and animals].
After adjusting for race, sex, and age (plus serum total cholesterol in the case of serum carotenoids and vitamin E), blood lead and urinary cadmium levels both showed graded associations, positive with serum GGT and inverse with serum vitamin C, carotenoids, and vitamin E (p for trend < 0.
A small study reported in the American Journal of Clinical Nutrition suggests that we all need a small amount of fat to absorb the disease-fighting carotenoids found in the raw vegetables tossed in the salad.
 
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