英语词汇“guaranin”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	guaranin
释义	guaranin Chem.\|gwəˈrɑːnɪn\| Also 9 -ina, -ine. [f. guarana + -in.] A crystalline principle contained in guarana, and regarded by some as identical with caffeine. 1838[see guarana].1841Brande Chem. 1230/2 Guaranin [obtained] from the fruit of the Paullinia sorbilis, by Martius.1880Libr. Univ. Knowl. (U.S.) VII. 134 The essential crystallizable principle is said to be identical with caffeine, but has received the name of guaranine.
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