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 (sō′lə-nēn′, -nĭn) also so·la·nin (-nĭn)
A bitter poisonous alkaloid, C45H73NO15, found in potatoes and other plants of the nightshade family. It has narcotic properties and was formerly used to treat epilepsy.

[French, from Latin sōlānum, nightshade, from sōl, sun; see sāwel- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) a poisonous alkaloid found in various solanaceous plants, including potatoes which have gone green through exposure to light
[C19: from solan(um) + -ine2]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Nightshades contain an alkaloid (organic compound) called solanine. In small doses such as a single serving, it doesn't affect most people.
But the green serves as a visible marker that toxic solanine is present.
*Tomatoes contain small quantities of a toxic substance known as solanine that may trigger headaches.
Tubers may contain toxic alkaloids as solanine and chaconine.
They're all part of the family of Solanaceae plants, which produce an alkaloid compound known as solanine. According to registered dietitian Cynthia Sass, MPH, RD, in an article on ( Health , some health experts advise avoiding these foods as they might cause inflammation.
BRIAN replies: The odd potato will do no harm but raw and unripe potatoes, as well as potato plants, often contain solanine, a mild poison.
It is best to avoid eating green fruits from this group, as some species may contain solanine, a poisonous principle.
The active compound in sodom apple is solanine. In the field experiment the 100% treatment and 50% treatment had the highest mean height.
paranense alkaloid fraction, and the solanine alkaloid on an acute model of skin inflammation in mice and relate this activity with its constituent compounds.
Let them dry in the sun, but bring potatoes in before an hour has passed so they won't develop excess solanine. Dirty squash may be gently cleaned with a solution of one part bleach to 10 parts water.
Comment: Nightshades contain solanine alkaloids, which have been found anecdotally to be a triggering factor for joint pain in some people with osteoarthritis, as well as a cause of various other symptoms in susceptible individuals.