| 单词 | vitamin c |
| 释义 | > as lemmasvitamin C vitamin C n. ascorbic acid; a water-soluble sugar, C6H8O6, which is present in citrus fruits, green vegetables, and tomatoes, and in man is required for the synthesis of collagen and the maintenance of connective tissue, its deficiency leading to scurvy. ΚΠ 1919 J. C. Drummond in Biochem. Jrnl. 13 77 The diet has been seriously, if not totally, deficient in the antiscorbutic factor or ‘water-soluble C’.] 1920 [see sense 1]. 1921 Jrnl. Industr. & Engin. Chem. Dec. 1115/1 We know that the antiscorbutic vitamine is water-soluble; indeed, it has been called the water-soluble C vitamine. 1942 Ann. Reg. 1941 344 Work on prothrombin, vitamins C, K, and P,..greatly advanced knowledge of haemorrhagic diseases. 1966 E. Birney Sel. Poems ii. 61 A hotelroom all to myself with a fan and a box of Vitamin C. 1983 D. J. Weatherall et al. Oxf. Textbk. Med. I. viii. 24/2 There is no convincing evidence for the claims that large doses of vitamin C (4 g or more daily) prevent or decrease severity of the common cold; the evidence for protection against cancer is stronger, but not conclusive. < as lemmas |
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