英语词汇“methionine”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	methionine
释义	methionine Chem.\|mɛˈθaɪəniːn\| [Blend of meth- + thion-: see -ine⁵.] A sulphur-containing amino-acid, CH₃·S·CH₂·CH₂·CH(NH₂)·COOH, which is probably a constituent of all proteins. 1928Barger & Coyne in Biochem. Jrnl. XXII. 1418 Since the amino-acid has a good title to be regarded as a constituent of protein, a shorter name than γ-methylthiol-α-aminobutyric acid seems desirable, and..we suggest for it the name methionine, in allusion to the characteristic grouping.1956Nature 11 Feb. 280/1 The amino-acid requirement of this organism [sc. a trypanosomid flagellate] could be satisfied by methionine alone.1962[see isoleucine].1971J. Z. Young Introd. Study Man xxiii. 315 Old people are said to require more methionine than young.1972McGraw-Hill Yearbk. Sci. & Technol. 123/1 Since methionine is the only metabolic precursor of homocysteine in the human diet, deliberate reduction in the amount of dietary animal protein, which contains more methionine than plant protein, may prove to be effective in preventing arteriosclerosis.
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