The coffee variety with the highest caffeine content-the caffeine content of a cup of coffee

The highest caffeine content of coffee varieties-caffeine content of a cup of coffee

1. Different varieties lead to different caffeine content: in general, Arabica, which belongs to fine coffee, has less caffeine content, accounting for only about 1.2%, while Robusta thick beans have relatively high caffeine content, with a content of about 2.4% to 4%.

2. Roasting temperature and time lead to different caffeine levels: Roasting can damage the cells of coffee cherries, and the higher the temperature and longer the roasting time, the less caffeine they contain, so dark roasted coffee beans may contain less caffeine than light roasting.

3. Brewing method and time contribute to caffeine release: Coffee is brewed in many different ways and for different periods of time. When coffee powder dissolves with hot water, caffeine is released, and the longer the brewing time, the more caffeine is released. Therefore, the caffeine content of fast-brewed espresso will be lower than that of hand-brewed and siphon coffee. It is recommended that adults drink 2 cups of coffee per day, as long as they do not drink too much, there is no health impact!

While drinking excitedly, Robert suddenly half-jokingly said,"I think this stuff is high in caffeine." No, if this sentence comes from a population that tried 500 beans in Kenya in three days, it doesn't seem to be a joke... Just thinking about drinking it at the same time for about ten minutes, his chest began to feel a little stuffy, his heartbeat accelerated, and his whole person felt slightly dizzy. Robert looked at me and smiled as usual. I had only drunk 15 cc, which was less than a small bottle of Yakult! The next four hours were groggy, and now my chest is uncomfortable (it's been five hours!)... One of the things I learned today is that taste may not always be good. Anyone who thinks I'm kidding might as well try it out for himself, or give it to an Austrian who doesn't think his coffee is strong enough and buy him a drink and fly. It was the first time I had seen it. hehe

Generally speaking, the longer the extraction time of coffee, the higher the caffeine content ~ In addition, it has a great relationship with the variety of coffee beans. The caffeine of Arabica is less than half of that of Rochester.

Since instant coffee is completely extracted from the extract ~ in order to save costs, the degree of extraction is very high, and a lot of Rochester coffee beans are used, so the caffeine content is generally the highest.

Espresso coffee is rich in flavor, but the extraction time is very short, usually only 25 seconds, so the caffeine content is the lowest of all extraction methods ~