| 单词 | beta-carotene |
| 释义 | beta-carotene (once / 176408 pages) n WORD FAMILY beta-carotene USAGE EXAMPLESSimilarly, antioxidants -- such as vitamins C and E, and beta-carotene -- were once a hot topic. US News(Oct 11, 2016) They are a good source of lutein and beta-carotene, two important phytonutrients that help protect our eyes. US News(Jul 11, 2016) These beta-carotene superstars are packed with water and fiber, adding extra bulk – but with few calories. US News(Jun 21, 2016) n an isomer of carotene that is found in dark green and dark yellow fruits and vegetables Hyper carotenoid any of a class of highly unsaturated yellow to red pigments occurring in plants and animals carotene, carotin, provitamin Aan orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver |
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