The present invention provides a method for manufacturing a tea extractive having low caffeine, capable of reducing caffeine from a caffeine-containing tea extractive solution without degrading original fragrance of tea. The present invention provides a method for manufacturing a tea extractive having low caffeine including the following steps of: after treating a caffeine-containing tea extractive with tannase, precipitating a mixture of non-ester type catechin and caffine in the caffeine-containing tea extractive which has been treated with tannase, and separating and removing the mixture. Moreover, the present invention provides a tea extractive having low caffeine obtained by the afore-mentioned method. Furthermore, the present invention provides drinks and foods containing the tea extractive having low caffeine.本發明係關於低咖啡因茶類萃取物的製造方法,提供一種在不使茶本來的香味惡化的情況下,從含咖啡因之茶類萃取液中減少咖啡因的方法。該方法的特徵在於:將含咖啡因之茶類萃取物用單寧酶進行處理之後,在經單寧酶處理後的含咖啡因之茶類萃取物中使非酯型兒茶素類和咖啡因的混合物析出,將其分離去除。此外,本發明提供採用上述製造方法得到的低咖啡因茶類萃取物。進而,本發明提供含有上述低咖啡因茶類萃取物的飲食品。
