Oolong tea, also known as Wu long tea, comes from Fujian province in China. It is a tea with a slightly fruity aroma that combines the beneficial health properties of the green tea with the ones of the black tea and is grown in Taiwan. Oolong tea is the most common tea served in Chinese restaurants often giving it the nick name of ‘Chinese restaurant tea’. It has been cultivated for 400 years in the Fujian province in China. Wu long means “the black dragon”. It is also called the blue-green tea due to the colour of its infusion.