Definitions of “alkaloids”If the answer you seek is not in the answers above these definitions may help solving your crossword puzzle.
• One of a large group of organic base substances found in plants
• Alkaloids are compounds containing nitrogen in a heterocyclic ring
• An organic substance found in plants that often has toxic effects on animals
• Bitter-tasting compounds found in many plants, especially in the nightshade family (Solanaceae)