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provitamin A
car•o•tene (ˈkær əˌtin) also car•o•tin (-tɪn)
n. any of three yellow or orange fat-soluble pigments having the formula C40H56, found in many plants, esp. carrots, and transformed into vitamin A in the liver; provitamin A. [1860–65; < Late Latin carōt(a) carrot + -ene] Thesaurus| Noun | 1. | provitamin A - an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the livercarotene, carotinbeta-carotene - an isomer of carotene that is found in dark green and dark yellow fruits and vegetablesprovitamin - vitamin precursor; a substance that is converted into a vitamin in animal tissues |
EncyclopediaSeecaroteneprovitamin A
pro·vi·ta·min Atrivial name for carotenoids exhibiting qualitatively the biologic activity of β-carotene, that is, vitamin A precursors (α-, β-, and γ-carotene and cryptoxanthin); contained in fish liver oils, spinach, carrots, egg yolk, milk products, and other green leaf or yellow vegetables and fruits.pro·vi·ta·min A (prō'vī'tă-min) Carotenoid precursors of vitamin A found in some red and yellow fruits and vegetables. provitamin A
Synonyms for provitamin Anoun an orange isomer of an unsaturated hydrocarbon found in many plantsSynonymsRelated Words |