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For Chinese black teas, you can go ahead and fill the gaiwan with a generous dose of tea, filling the vessel about 1/4 full. Rinse the tea and dump the water, then refill with water and steep for 1 to 2 minutes. These teas can be reinfused up to two or even more times if the tea is particularly young, with your time parameters being adjusted to taste. For the other black teas, a smaller dose and longer steeping time are generally warranted.
How much caffeine is in oolong tea? The caffeine levels are similar in all types of tea and are dependent on steeping time. When steeped for 5 minutes, tea has about 50-70 mg of caffeine per cup of tea. Oolong tea is usually steeped for a much shorter time (less than a minute) so there is significantly less caffeine. In addition, oolong tea leaves can be brewed multiple times, and each time the caffeine levels decrease by about 75%. By the fourth infusion there is almost no caffeine left, but a good quality oolong tea will still have plenty of flavor. Back to Top