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

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

Other Datura constituents are hyoscyamine, used to control intestinal spasms, and atropine, used to speed up the heart rate.

From New York Times

During the recovery, the victim is forced to consume datura, a plant that contains chemicals such as scopolamine and hyoscyamine, powerful hallucinogens that leave the individual delirious and compliant.

From Scientific American

During the recovery, the victim is forced to consume datura, a plant that contains chemicals such as scopolamine and hyoscyamine, powerful hallucinogens that leave the person delirious and compliant.

From Scientific American

Henbane yields a poisonous alkaloid, hyoscyamine, which is stated to have properties almost identical with those of atropine, from which it differs in being more soluble in water.

From Project Gutenberg