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单词 papaverine
释义 papaverine Chem.|pəˈpeɪvəraɪn|
[f. L. papāver poppy + -ine5.]
An alkaloid (C20H21NO4) contained in opium, obtained in colourless needles.
1857W. A. Miller Elem. Chem. III. 282 Papaverine..is distinguished from the other opium bases by giving with concentrated sulphuric acid a deep blue colour.1876Harley Mat. Med. (ed. 6) 762 Opium contains about 1 per cent. of Papaverine.
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