A stimulant substance discovered naturally in coffee, beverage, cocoa (chocolate), and kola peanuts (cola) and included with soft drinks, meals, and drugs. Caffeine causes anxiety, sleeplessness, nervousness, and hypertension. Caffeine is a diuretic and increases urination. It may reduce a person's power to lose some weight given that it stimulates insulin release, which lowers blood glucose, which increases appetite. Caffeine can help relieve headaches, so many over-the-counter and prescription pain relievers consist of it as a component, frequently with aspirin or any other analgesic.
trimethyl-derivative of xanthine, 1830, from German Kaffein, coined by chemist F.F. Runge (1795-1867), obviously from German Kaffee "coffee" (see coffee) + substance suffix -ine (2) (German -in). The form of the English term might be via French caf
a mild organic stimulant present in foods eg coffee, beverage and chocolate; will act as a stimulant on the neurological system, kidneys and heart, dilates the arteries and causes the production of insulin within the body.
a bitter alkaloid present coffee-and tea that's accountable for their stimulating effects
- A white, sour, crystallizable compound, acquired from coffee. It really is identical with all the alkaloid theine from tea-leaves, and with guaranine from guarana.
Dean spotted three of the old men gathered at their usual table for their morning repast of caffeine and cake and gossip.