英语词汇“convolvulin”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	convolvulin
释义	conˈvolvulin Chem. [f. convolvul-us + -in.] A glucoside, a colourless transparent resin, C₃₁H₅₀O₁₆, obtained from the rhizome of Convolvulus Schiedanus, the officinal jalap-root. Hence convolvuˈlinic acid, C₃₁H₅₄O₁₈, a product of the action of fixed alkalis upon convolvulin. conˈvolvulinol, a crystallizable substance, obtained from convolvulinic acid. convolvuliˈnolic acid, an acid formed by the action of alkaline solutions on convolvulinol. 1850Pereira Mat. Med. 1455 Convolvulin, a substance supposed by Maquart to be a vegetable alkali.1877Watts Fownes' Chem. II. 605 Convolvulin..is a gummy mass having a strong purgative action; resolved by acids and by emulsion into dextrose and convolvulinol, which is converted by alkalis into convolvulinolic acid.
随便看	disrespecter disrespectful disrespectfully disrespectfulness disrespective disrespondency disrest disrestore disreverence disreward disriegled disrobe disrobement disrober disroof disroom disroost disroot disround disrout disroyalty disruddered disrulily disruly disrump

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