The amount of caffeine found in an 8-ounce (237 ml) cup of drip brewed coffee can vary depending on the type and blend.Īrabica beans contain about 1/3 less caffeine than Robusta beans, but they also taste better, so most high quality blends use Arabica. Decaffeinated tea has only 3 to 15 mg per 8 oz cup. In general, though, here's what we know: A typical 8 oz cup brewed from caffeinated leaves contains around 60 to 120 mg of caffeine, about one-third the amount in a cup of coffee. In short, it's hard to say exactly how much caffeine is in any given cup because there are so many variables at play, including leaf size and brewing time. For example, a study done by the University of Coimbra, Portugal showed that 25 ml (about 2 teaspoons) of black tea contains approximately 40mg of caffeine and 15ml (about 1 teaspoon) of green tea contains about half that amount 25mg. The caffeine content of tea depends on the type of tea. The bottom line is that not only does coffee caffeine give you more energy than tea, it's also more powerful because there's simply more of it in your average cup of coffee than there is in an 8 ounce glass of black or green tea. However, green or black teas only have about 25 milligrams per 8 ounce cup no matter how long they are brewed. The biggest reason why drinking coffee caffeine gives you a much stronger stimulant effect on the body than drinking tea caffeine is because coffee has much more caffeine per serving size than tea does. For example, there are approximately 95 milligrams of caffeine in an average 8 ounce cup of drip coffee brewed with ordinary grounds. Also, the process of making coffee causes caffeine to be extracted from the bean while it's being ground up and brewed however, this isn't true for tea. Coffee is much richer in caffeine than tea because coffee beans contain more caffeine than tea leaves. There are many differences between coffee and tea, even though they are both caffeinated beverages. The difference between coffee and tea caffeine is that coffee caffeine has a much more potent stimulant effect on the body due to its chemical makeup. If you love to drink tea but are trying to cut back on your caffeine intake, then this post is for you! I'll be exploring the differences between tea and coffee caffeine levels, as well as some other fun facts about these two popular beverages.Ĭoffee and tea are one of the most popular drinks in the world, but they each contain caffeine. Which has more caffeine though: tea or coffee? The question of caffeine content in tea versus coffee comes up often. Caffeine is a hot topic, whether you're drinking it or avoiding it.
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