PROBLEM TO BE SOLVED: To provide a method for producing tea leaves for beverages in which the content of Chafuroside A is increased while maintaining the quality as the tea leaves for beverages.SOLUTION: Dry tea leaves having a water content of 1 to 10 mass% is charged into a heated container which is heated so that the temperature of the inner wall surface is maintained at 150 to 250°C, and the tea leaves are heated for 3 to 15 minutes while blowing a water vapor-containing gas heated to a temperature of 150 to 250°C.COPYRIGHT: (C)2012,JPO&INPIT【課題】飲料用茶葉としての品質を維持しつつ、チャフロサイドAの含有量が増加した飲料用茶葉を製造する方法を提供する。【解決手段】水分含有率が1~10質量%の範囲にある乾燥茶葉を、内壁表面の温度が150~250℃の範囲の温度を維持するように加熱された加熱容器に投入し、該容器内に150~250℃の範囲の温度に加熱された水蒸気含有気体を吹き込みながら、上記茶葉を3~15分間加熱する。【選択図】図1
