单词 | imino-acid |
释义 | > as lemmasimino-acid imino-acid n. Brit. /ɪˌmiːnəʊˈasɪd/ , U.S. /ᵻˌminoʊˈæsəd/ , /ˌɪmənoʊˈæsəd/ any organic acid that contains an imino-group; also (now rare), an imidic acid.ΘΚΠ the world > matter > chemistry > organic chemistry > organic acids > [noun] > imino acids imino-acid1903 1903 Jrnl. Chem. Soc. 84 i. 692 The formation and properties of some iminoacid anhydrides of the type of the hypothetical iminoformic anhydride, NH:CH·O·CH:O. 1907 Jrnl. Chem. Soc. 92 i. 393 Mechanism of the Reaction in the Formation of α-Amino- and Imino-acids. 1937Imino-acid [see imino-ester n.]. 1953 J. S. Fruton & S. Simmonds Gen. Biochem. iii. 49 The hydrolysis of a protein leads to the formation of a variety of amino acids... The compounds having the general formula shown are termed α-amino acids, whereas proline and hydroxyproline are more correctly designated α-imino acids; for convenience, however, these two cyclic compounds are also called amino acids. 1961 Jrnl. Clin. Investig. 40 i. 843/1 Since nearly all of the hydroxyproline of the body is found in collagen, it has been suggested..that the urinary excretion of the imino acid may be an important index of collagen metabolism. 1967 New Scientist 24 Aug. 375/1 The precise proportion of the imino-acid hydroxyproline in the important protein collagen. < as lemmas |
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