| 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
see carotene.
β-carotene
see carotene.
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