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There is no problem with three cups of high-quality coffee a day.

Published: 2026-04-04 Author: World Gafei

Last Updated: 2026/04/04, The chemical composition of coffee is very complex, there are thousands of kinds, and there are even nearly 200 unknown chemical substances, but in view of the fact that coffee is the third largest trading product in the world, Western and Arab countries have not seen a higher mortality rate than the Chinese in the history of drinking for hundreds of years, which shows that coffee is still safe as a beverage. The most notorious thing in coffee is caffeine, although

The chemical composition of coffee is very complex, there are thousands of at most, even nearly 200 unknown chemicals, but given that coffee as the world's third largest trade, Western countries and Arab countries have hundreds of years of drinking history has not seen its mortality rate higher than the Chinese, it can be seen that coffee as a drink or safe.

Coffee is most notorious than caffeine, although caffeine is common in tea, cola and other daily drinks, and even some tea drinks have higher caffeine content than coffee, but because this substance is called "caffeine", so we think of coffee.

The caffeine content in coffee varies greatly according to the variety, generally Arabica caffeine content in 1.1%~1.5%, Rochester caffeine content is as high as 2.5~4%. In addition, the water solubility of caffeine is also affected by the extraction temperature and time, generally a cup of American coffee caffeine in about 150mg, handmade coffee (siphon pot, etc.) about 120mg, Italian coffee is about 80mg.

The caffeine intake of the human body is safe within 300mg a day, of course, depending on height and weight, but generally 3 cups of high-quality coffee a day is no problem.

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。