hyoscyamine

American  

[hahy-uh-sahy-uh-meen, -min] / ˌhaɪ əˈsaɪ əˌmin, -mɪn /

noun

Pharmacology.

1. a poisonous alkaloid, C 17 H 23 NO 3 , obtained from henbane and other solanaceous plants, used as a sedative, analgesic, mydriatic, and antispasmodic.

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hyoscyamine British  

/ ˌhaɪəˈsaɪəˌmiːn, -mɪn /

noun

1. a poisonous alkaloid occurring in henbane and related plants: an optically active isomer of atropine, used in medicine in a similar way. Formula: C 17 H 23 NO 3

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Etymology

Origin of hyoscyamine

First recorded in 1855–60; hyoscyam(us) + -ine ²

Example Sentences

Finally, in module IV, part of which occurs in the ER membrane, littorine is converted to hyoscyamine, which is then converted to scopolamine.

From Nature • Sep. 1, 2020

In this module, littorine is converted to hyoscyamine and then to scopolamine.

From Nature • Sep. 1, 2020

Srinivasan and Smolke have overcome these challenges to produce a strain of S. cerevisiae that converts simple sugars and amino acids into two tropane alkaloids, hyoscyamine and scopolamine.

From Nature • Sep. 1, 2020

Srinivasan and Smolke4 engineered the yeast Saccharomyces cerevisiae to make the drugs hyoscyamine and scopolamine from glucose and amino acids.

From Nature • Sep. 1, 2020

According to this view hyoscyamine ought to be the hyoscinate of hyoscine, or at any rate an isomer of this body.

From Scientific American Supplement, No. 324, March 18, 1882 by Various