A bitter, colorless alkaloid, C7H8N4O2, derived from the cacao bean, found in chocolate products and used in medicine as a diuretic, vasodilator, and myocardial stimulant.

• 可可碱：一种苦味无色碱，C7H8N4O2，从可可豆中提取，存在于巧克力中，并在医药中用作利尿剂、血管扩张药和肌肉兴奋剂