Origin of Oolong Tea
- Oolong tea is made from the same plant as other teas i.e. Camellia sinensis.
- Literally, oolong tea translates to black dragon tea.
- Oolong tea originated from China and is now also cultivated in Taiwan and Darjeeling.
- In Chinese, oolong tea is known as wūlóng chá.
Caffeine in Oolong Tea
- There is approximately 37 mg of caffeine in 8 fl. oz. of oolong tea.
- Oolong tea has greater caffeine content than green tea and lower caffeine content than black tea.
- Because of its caffeine content, oolong tea can have interactions with drugs such as amphetamines and ephedrine.
Oolong Tea and Health
- Unlike black teas, oolong teas retain Epigallocatechin gallate (EGCG) as they are only partially fermented.
- Drinking five cups of oolong tea daily can increase body metabolism and fat oxidation.
- Oolong tea may help with the treatment of Type 2 diabetes.
- On the other hand, high oolong tea intake has also been associated with risk of onset of diabetes.
- Oolong tea acts as a stress buster because of it contains polyphenols.
- The total content of catechin, especially EGCG, decreases with the increase in altitude of cultivation.
How to brew oolong tea
- There are two distinct shapes of oolong tea leaves; open and ball shaped or rolled.
- Oolong teas are partially oxidized and their oxidation level may be anywhere from 8 to 85%.
- Oolong tea can be steeped multiple times and it is said that its taste improve with each rebrewing.
- Traditional tea pots such as gaiwan and Yixing clay teapot are used in brewing oolong.
- Open oolong leaves take shorter time to infuse in water than ball shaped or rolled leaves.