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

See Examples For:

hyoscyamine

They then compared the activity of the HDH-encoding gene from A. belladonna with equivalents from other plants, and finally selected the gene from Circe’s jimsonweed as being optimal for hyoscyamine and scopolamine production.

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

But there was no record of his having bought hyoscyarnus, which was the deadly henbane used in the medicine dropper-nor was there any other record of hyoscyamine against him.

From Raspberry Jam by Carolyn Wells

I think, therefore, that both Planta and Schmidt must have worked with a mixture of atropine and hyoscyamine.

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

This fluid is henbane —that is the commercial name of it—known to the profession, however, as hyoscyamus or hyoscyamine.

From Raspberry Jam by Carolyn Wells