The verification a few years ago by Japanese doctors that Oolong tea is beneficial to weight reduction and general health caused a certain "Oolong fever." Exports of Oolong tea to Japan grew by 40 percent from 1985 to 1986 to 4,500 metric tons.
日本近來在醫學界、食品營養界證實烏龍茶具減肥健身的功效後，也掀起一陣「烏龍熱」。根據台灣區製茶同業公會統計，一九八六年烏龍茶外銷日本達四千五百卅三公噸，是前一年的一．五倍。