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beta-carotene

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
beta-carotene
n.
A phytonutrient that is an isomer of carotene found in dark green and yellow fruits and vegetables and that is converted to vitamin A, primarily in the liver.

beta-carotene
Etymology: Gk, beta; L, carota, carrot
a vitamin A precursor and ultraviolet screening agent.
indication It is prescribed to ameliorate photosensitivity in patients with erythropoietic protoporphyria.
contraindications It is used with caution in patients with impaired renal or hepatic function. Known hypersensitivity to this drug prohibits its use.
adverse effects No serious adverse reactions have been observed. Diarrhea may occur.

beta-carotene (bā·t·ke·rō·tēn),
n a plant pigment, antioxidant, and biochemical precursor to vitamin A. Large doses may increase the risk of lung cancer and cardiac disease.

beta-carotene

β-carotene


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According to AIST, the antioxidation effect is equal to that of beta-carotene - currently the most efficient organic material antioxidiser available.
Research subjects who ate salads troweled with fat-free dressing didn't absorb alpha-carotene, beta-carotene, or lycopene (important "fat-soluble" disease fighters) from the raw vegetables.
Carotenoids--like beta-carotene, lutein, and lycopene--are a good indicator of how much fruit and vegetables a person eats.
 
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