英语词汇“pyridoxic”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	pyridoxic
释义	pyridoxic, a. Biochem.\|pɪrɪˈdɒksɪk\| [f. as next + -ic.] *pyridoxic acid* (more explicitly *4-pyridoxic acid), an inactive oxidized derivative of pyridoxine (the 4-hydroxymethyl group having been oxidized to carboxyl), which is the form in which excess vitamin B₆ is usu. excreted. 1944Huff & Perlzweig in Jrnl. Biol. Chem.* CLV. 355 A fluorescent compound appearing in urine after the ingestion of pyridoxine was isolated and identified as 2-methyl-3-hydroxy-4-carboxy-5-hydroxymethylpyridine (4-pyridoxic acid).1950W. Shive in R. J. Williams et al. Biochem. of B Vitamins d. viii. 657 Pyridoxic acid is the chief metabolic product of either pyridoxine, pyridoxal or pyridoxamine.1968Baker & Frank Clinical Vitaminol. vii. 79 In subjects on a normal diet, pyridoxic acid excretion accounted for only about half the intake of vitamin B₆.
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