Black coffee is a very healthy drink with very few calories. A cup of100g black coffee has only 2.55 kilocalories. So drinking a cup of black coffee after a meal can effectively decompose fat.

Black coffee consumes more calories than white coffee, but the effect varies from person to person. In view of the variety and brand of coffee on the market, you should read the instructions carefully when choosing. Only pure coffee powder can make coffee beans work. Excessive drinking of black coffee will make people restless, increase their heart rate and raise their blood pressure. Timely and appropriate, no more than 3 cups a day.

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The flavor of coffee is mainly determined by the roasting time and temperature of coffee beans, which also determine the caffeine content in the final coffee. Generally speaking, the temperature of roasted coffee beans is 178 degrees, because this temperature can make the flavor of coffee beans completely give off, but it is also the temperature at which caffeine is decomposed.

From hot coffee to carbonated drinks, ice cream, milk, and then cooling to adjust the taste, in fact, caffeine can only play its best role when it is hot.

So you will feel hot after drinking hot coffee for half an hour, which is the result of caffeine promoting blood circulation. In contrast, the efficacy of iced coffee is much weaker, even less than one-third of that of hot coffee.

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