PROBLEM TO BE SOLVED: To provide a mugwort tea that is easy-to-drink and delicious, by reducing or eliminating the bitterness without significantly compromising the healthy ingredient of mugwort, especially mineral content.SOLUTION: Provided is a method for reducing or eliminating the bitterness of mugwort by heat-treating mugwort in an air at a temperature of around 80 to 235°C. Preferably, provided is the treatment method in which the aroma of mugwort is left with the temperature treatment range of about 100 to about 130°C. Also, the production of a mugwort tea that is easy-to-drink and delicious, in which the bitterness is reduced or eliminated without compromising the healthy ingredient of mugwort, especially mineral content, using the mugwort obtained by said method.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】蓬の健康成分、特にミネラル分を大きく損なうことなく苦味を減じあるいは消して、飲みやすいおいしい蓬茶の提供。【解決手段】80近辺~235℃の温度で気中で蓬を熱処理することで蓬の苦味を減じ或いは消す方法。好ましくは、温度処理範囲を約100~約130℃として蓬の香りを残して処理する方法。及び、該方法により得られた蓬を用いた、蓬の健康成分、特にミネラル分を大きく損なうことなく苦味を減じ或いは消した、飲みやすいおいしい蓬茶の製造。【選択図】なし