英语词汇“indoxyl”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	indoxyl
释义	indoxyl indoxyl (ɪnˈdɒksɪl) n (Elements & Compounds) a yellow water-soluble crystalline compound occurring in woad as its glucoside and in urine as its ester. Formula: C8H7NO. See also indican[C19: from indigo + hydroxyl] Indoxyl indoxyl [in′däk·səl] (organic chemistry) (C₈H₆N)OH A yellow crystalline glycoside, used as an intermediate in the manufacture of indigo. Indoxyl pale yellow crystals with an unpleasant odor; melting point, 85°C. The substance exists in two tautomeric forms: Indoxyl is present in the urine of human beings and animals as the potassium salt of 3-indoxyl sulfuric acid (urinary indican) and in the juices of certain tropical plants (in the form of glycosides), from which it can be obtained by hydrolysis. Indoxyl is an important intermediate product in the synthesis of indigo, a dye formed during the oxidation of indoxyl. Reduction of indoxyl yields indole. indoxyl indoxyl [in-dok´sil] an oxidation product of indole formed in tryptophan decomposition, and excreted in the urine as indican. in·dox·yl (in-dok'sil), The radical of 3-hydroxyindole; a product of intestinal bacterial degradation of indoleacetic acid, excreted in the urine as indoleaceturic acid (conjugated with glycine), as a sulfate (urinary indican), or as a glucuronide (glucosiduronate); increased amounts are excreted in phenylketonuria. in·dox·yl (in-dok'sil) The radical of 3-hydroxyindole; a product of intestinal bacterial degradation of indoleacetic acid; increased amounts are excreted in the urine in phenylketonuria.
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更新时间：2024/11/13 18:41:43