Even if tea contains a similar amount of caffeine as a cup of coffee in some cases, the effect is much more gentle and lasts a little longer.
Overall, tea leaves contain significantly less caffeine than coffee beans. In addition, the caffeine dissolves more quickly from the ground coffee than from the tea leaves.
That also explains why high quality oolong tea from whole tea leaves is preferable. Because if you brew it only briefly, the aromatic substances are released from the tea leaves first. The longer you let the tea leaves steep or the more often you brew the tea, the stronger you will feel the effects of the caffeine.
In the past, this stimulant was also called theine, but various studies have now shown that the active ingredient in the tea leaves is identical to the caffeine in the coffee bean.
If, on the other hand, you drink a cup of espresso, your body immediately gets a caffeine boost and adrenaline flows through your veins.
This table gives a rough overview of how much caffeine is contained in the individual drinks in comparison:
|drink||Caffeine content per 100ml|
|Green tea||30 mg|
|Black tea||50 mg|
|Wenshan Baozhong||30 mg|
|High Mountain Oolong||28 mg|
|Dong Ding Oolong||32 mg|
|Oriental Beauty Oolong||45 mg|
|Black coffee||80 mg|
The amount of caffeine in a cup of oolong tea not only depends on the brewing time, but also on other important factors such as the brewing temperature, the ratio of the number of tea leaves to the water and, of course, whether the tea is brewed in a large pot or rather for it a Gaiwan or a small one Yixing Teekanne used.
Harvesting time also has a major impact. Tea grown in summer contains significantly more caffeine because the tea leaves can grow much faster than tea harvested in spring or winter.
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Your Evergreen Teashop Team!