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单词 beta-carotene
释义

beta-carotene

enUK

be·ta car·o·tene

also be·ta-car·o·tene B0213100 (bā′tə-kăr′ə-tēn′, bē′-)n. The isomeric form of carotene that is most widely distributed in nature and is efficiently converted to vitamin A by the body.
Thesaurus
Noun1.beta-carotene - an isomer of carotene that is found in dark green and dark yellow fruits and vegetablesbeta-carotene - an isomer of carotene that is found in dark green and dark yellow fruits and vegetablescarotenoid - any of a class of highly unsaturated yellow to red pigments occurring in plants and animalscarotene, carotin, provitamin A - an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver

beta-carotene

enUK

beta-carotene:

see carotenecarotene
, long-chained, unsaturated hydrocarbon found as a pigment in many higher plants, particularly carrots, sweet potatoes, and leafy vegetables. Carotene is thought to assist in trapping light energy for photosynthesis or to aid in chemical reduction.
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; antioxidantantioxidant,
substance that prevents or slows the breakdown of another substance by oxygen. Synthetic and natural antioxidants are used to slow the deterioration of gasoline and rubber, and such antioxidants as vitamin C (ascorbic acid), butylated hydroxytoluene (BHT), and
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; Vitamin A under vitaminvitamin,
group of organic substances that are required in the diet of humans and animals for normal growth, maintenance of life, and normal reproduction. Vitamins act as catalysts; very often either the vitamins themselves are coenzymes, or they form integral parts of coenzymes.
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.

beta-carotene

enUK

beta-carotene

A natural red-orange fat-soluble retinoid provitamin metabolised to vitamin A in the body; it is an antioxidant and free-radical scavenger, protecting cells against oxidation damage linked to cancer; it is present in fresh fruits and vegetables, and has immunostimulatory activity; increased BC consumption is associated with a decreased risk of bladder, colon, lung, skin cancer and cancer cell growth in vitro.
Health benefits
Minor protection against heart disease, strokes and effects of ageing.
AcronymsSeeBC

beta-carotene

enUK
  • noun

Words related to beta-carotene

noun an isomer of carotene that is found in dark green and dark yellow fruits and vegetables

Related Words

  • carotenoid
  • carotene
  • carotin
  • provitamin A
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更新时间:2025/1/10 17:34:31