Definition of "solanine" [sol•a•nine]

• A bitter poisonous alkaloid, C45H73NO15, derived from potato sprouts, tomatoes, and nightshade and having narcotic properties formerly used to treat epilepsy. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Unripe tomatoes and the green "eyes" of potatoes contain solanine which can cause moderate nausea, vomiting, headache and diarrhea."
• "By the analysis of Desfosses, the berries furnish an alkaloid called solanine, possessed of marked properties."
• "Nightshades contain a chemical alkaloid called solanine which can trigger pain"