Oolong tea and black tea re Fined with Orange pieces , Orange blossoms , Orange slice Triangles and Natural flavour .flavour : Mild Aroma tic fruit Orange . Preparation of Formosa Orange Blossom Oolong tea 1 tea spoon of tea per cupThe optimum water temperature is 75°C to 90°C 10g to 15g of tea per 1l of waterPrepare for up to 3 minutes (multiple infusions possible)Avoid boiling water at all costs.