英语词汇“cobalamin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	cobalamin
释义	cobalamin Biochem.\|kəʊˈbɒləmɪn\| [f. cobalt + vitamin.] A name given orig. to the characteristic part of the vitamin B₁₂ molecule (see quot. 1950), and hence used for any member of the vitamin B₁₂ group, each of which contains this part in its molecule. 1950E. A. Kaczka et al. in Science 29 Sept. 355 The name cobalamin designates all the vitamin B₁₂ molecule except the cyano group, and..vitamin B₁₂ becomes cyano-cobalamin, and vitamin B_12a, hydroxo-cobalamin.1954Jukes & Williams in Sebrell & Harris Vitamins I. vii. 452 The difference between the values for vitamin B₁₂..was due to the presence of cobalamins other than cyanocobalamin.1959New Biol. XXIX. 36 Cobalamin, or other substances having vitamin B₁₂ activity, has been found dissolved in both pond- and sea-water at about the same concentration.1967H. R. Skeggs in György & Pearson Vitamins (ed. 2) VII. ix 277 The total cobalamin content of an unknown sample represents its potential vitamin B₁₂ activity.
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