1, ingredients: black coffee is mainly made of coffee beans, which contains a lot of caffeine. Ordinary coffee is mainly made from coffee beans, which contains a certain amount of caffeine.
2. Taste: Black coffee is bitter, while ordinary coffee is sweet.
3, refreshing effect: Caffeine in black coffee can stimulate the cerebral cortex, make nerves excited, thus playing a refreshing role, while caffeine content in ordinary coffee is relatively low, and the refreshing effect is relatively weak.
4, diuretic effect: caffeine in black coffee can promote the reabsorption of renal tubules, have diuretic effect, and can improve edema to some extent. The caffeine content in ordinary coffee is relatively low, and the diuretic effect is also weak.
5, gastrointestinal irritation: black coffee contains a lot of caffeine, if patients drink too much, it will stimulate gastrointestinal mucosa, nausea, vomiting and other discomfort symptoms. The caffeine content in ordinary coffee is relatively low, so patients generally do not feel uncomfortable when drinking it in moderation.
6. coffee (English: Coffee) is a kind of drink made from roasted and ground coffee beans. As one of the three major beverages in the world, together with cocoa and tea, it is the main beverage that is popular all over the world.