| 释义 |
hyoscyamine Chem.|haɪəʊˈsaɪəmaɪn|
[f. next + -ine.]
An extremely poisonous alkaloid (C17H23NO3), obtained from the seeds of Hyoscyamus niger and some other Solanaceæ, isomerous with atropine; used in medicine as a sedative.
1858Hogg Veg. Kingd. 553 The seeds [of henbane]..contain an alkaline principle, called hyoscyamine. 1865–72Watts Dict. Chem. III. 236 Hyoscyamine neutralises acids completely. 1875Ibid. Suppl. VII. 664 Hyoscyamine sulphate..crystallises over sulphuric acid in radiate groups of white shining needles. |