释义 |
nicotianin Chem.|nɪˈkəʊʃ(ɪ)ənɪn| Also -ine. [f. nicotian-a + -in1.] (See quots.) α1838T. Thomson Chem. Org. Bodies 498 Of Nicotianin. This concrete oily substance exists in tobacco, and gives it its characteristic odour. 1860Knight's Eng. Cycl., Arts & Sci. V. 938/1 Nicotianin, or essential oil of tobacco. 1892Syd. Soc. Lex., Nicotianin, a..camphorous bitter substance, obtained from the leaf of the tobacco by distillation with alkaline solutions. β1839Ure Dict. Arts 886 Nicotianine is the name of an oil recently extracted from the leaves of tobacco, which possesses the smell of tobacco smoke. 1871Nichols Fireside Chem. 44 A good cigar..should contain a large proportion of nicotianine. |