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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.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of hyoscyamine

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

Vocabulary lists containing hyoscyamine

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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 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

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

Its active principle is a mixture of a kind of atropine and hyoscyamine, but the true nature of the component alkaloids has never been fully determined.

From The Gray Phantom by Landon, Herman

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