| 词汇 | beta-carotene |
| 释义 | beta-carotene noun[ U ] chemistry, biology specializeduk /ˌbiː.təˈkær.ə.tiːn/ us /ˌbeɪ.t̬əˈker.ə.tiːn/ a form of carotene that the body is able to change into vitamin A, found especially in green, red, and orange vegetables胡萝卜素 Biochemistry adipose adrenalin albumin aldosterone amino acid endorphin enzymatic enzymatically enzyme fatty acid mRNA mycoprotein non-enzymatic nuclease nucleic acid spike protein T level testosterone trace element transfer RNA Examples of beta-carotenebeta-carotene There are no studies on beta-carotene and prevention of elevated blood pressure. However, there is some indication that beta-carotene in the diet offers some protection against gynecological cancers. While alphatocopherol supplements have no impact on the risk for cancer, beta-carotene supplements were clearly associated with an increased risk for lung cancer in two of the high-quality studies. One fraud ring is accused of coloring low-grade soy oil and canola oil with industrial chlorophyll, and flavoring it with beta-carotene. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The rice plant can naturally produce beta-carotene in its leaves, where it is involved in photosynthesis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Preliminary results from the field tests have shown field-grown golden rice produces 4 to 5 times more beta-carotene than golden rice grown under greenhouse conditions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The beta-carotene turns the processed (white) rice a gold color, hence the name golden rice. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Their colour is so intense that it masks the presence of other pigments, chlorophyll a and beta-carotene. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The alga has a large chloroplast that contains droplets of beta-carotene. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Eclectus in captivity require vegetables high in beta-carotene, such as lightly cooked sweet potato, fresh broccoli clumps, and fresh corn on the cob. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its name refers to a supplement of beta-carotene added to the drink. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Gac contains substantial lycopene, beta-carotene and a protein that may inhibit the proliferation of cancer cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These polypeptides bind to chlorophyll a and beta-carotene and pass the excitation energy on to the reaction centre. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Examples of exempt colors include annatto, beet extract, caramel, beta-carotene, turmeric and grape skin extract. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The active component that gives the feathers the pink color is the proteins alpha and beta-carotene (similar to carotene in carrots). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of beta-carotene These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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