Does Oolong Tea Contain Caffeine?
Tea contains a certain amount of caffeine. Oolong tea is a semi-fermented tea with many varieties. It is a kind of tea made after picking, withering, shaking, frying, rolling, baking and other processes.
Oolong tea contains a certain amount of caffeine and tea polyphenols. After drinking, it can stimulate the cerebral cortex and maintain the excitability of the brain system. Therefore, it has a certain refreshing effect on the human body. In addition to oolong tea, the more common black tea, green tea, yellow tea, and white tea all contain a certain amount of caffeine.
Oolong tea or coffee, which one is more refreshing?
It depends on the situation. For dry oolong tea, the caffeine content is about 2%-5%, which will dissolve in water after brewing, so every 100 ml of oolong tea usually contains about 12-18 mg of caffeine; and the caffeine concentration of a cup of coffee is about 20mg-200mg, and the specific content has a lot to do with the type of coffee. From the above, it can be seen that the caffeine content of oolong tea is less than that of coffee, but because oolong tea also contains tea polyphenols and theanine that can refresh the mind, the refreshing degree of oolong tea and coffee also needs to be determined according to the specific situation.
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