Tea Grade: Broken- The leaves in broken grades are reduced in size usually by machine. This allows for more surface area, causing the tea to infuse faster than whole leaf varieties. Oolong Flavour Oolong tea is fragrant with a fruity flavour and tasty aroma. It is considerably low in caffeine and extremely relaxing to drink. Oolong is sometimes referred to as semi-fermented and is somewhere in between black tea and green tea in terms of how long it is processed.Oolong tea falls between green and black teas,due to the fact that its leaves are partially oxidised. Oolong tea has high nutrinional value because it is rich in anti-oxidants and it also contains vital minerals and vitamins such as calcium manganese, copper, carotin, selenium, and potassium, Vitamin A, B, C, E and K.