What is Oolong Tea?

Oolong is a traditional Chinese tea that comes from the camellia sinensis plant and is somewhere between green and black in oxidation. It ranges from 10% to 70% oxidation. In Chinese tea culture, semi-oxidized oolong teas are collectively grouped as "blue-green tea". Oolong has a taste more akin to green tea than to black tea: it lacks the rosy, sweet aroma of black tea but it likewise does not have the stridently grassy vegetal notes that typify green tea. It is commonly brewed to be strong, with the bitterness leaving a sweet aftertaste. Oolong tea leaves are processed in two ways. Some teas are rolled into long curly leaves, while some are pressed into a ball-like form similar to gunpowder tea. The rolling into long curly leaves method of processing is the older of the two. Many researchers believe that oolong teas have some of the same beneficial health properties as green tea. These include lower chances of heart disease and developing certain types of cancer. Also, many researchers believe oolong tea can be associated with increased burning of fat and increased metabolism.

Oolong teas have about 30 mg per cup. Check out our caffeine comparison for common drinks to learn more.

Generally, 2-2.5 grams of tea per per cup should be used. Oolong teas should be prepared with 180°F to 190°F (82°C-87°C) water and steeped 3-4 minutes. Make sure the water isn't boiling.

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