solanine

/ˈsoʊləniːn/
noun
  1. A bitter, toxic alkaloid found in plants of the nightshade family, especially in green or sprouting potatoes, that can cause poisoning if consumed in large quantities.
    • Farmers test their potato crops for solanine to ensure they are safe to eat.
    • Solanine levels increase when potatoes are exposed to light and turn green.
    • The bitter taste of old potatoes is due to solanine.
Synonyms