PROBLEM TO BE SOLVED: To provide tea-containing fermented food and drink having masked bitter taste and enabling easy ingestion of catechin which has various bioactivities, and to provide a method for producing the tea-containing fermented food and drink.SOLUTION: The tea-containing fermented food and drink is obtained by lactic-fermenting with lactic acid bacteria, a fermentation raw material which contains dairy products and tea leaves and/or tea extract. The tea-containing fermented food and drink enables, by masking bitter taste as a cause of difficulty in ingestion, easy ingestion of catechin which has blood pressure-increase control action, blood cholesterol regulating action, blood glucose level regulating action, antioxidative effects, aging control action, antimutagenesis, anticancer, antimicrobe and anticariogenic effects, and antiallergic effects.COPYRIGHT: (C)2009,JPO&INPIT【課題】苦味等がマスキングされ、多様な生理活性があるカテキン類を容易に摂取することができる茶入り発酵飲食品及びその製造方法を提供すること。【解決手段】乳製品と、茶葉及び/又は茶抽出物と、を含有する発酵原料を、乳酸菌で乳酸発酵してなることを特徴とする茶入り発酵飲食品によれば、血圧上昇抑制作用、血中コレステロール調節作用、血糖値調節作用、抗酸化作用、老化抑制作用、抗突然変異、抗癌、抗菌、抗う蝕、抗アレルギー作用等を有するカテキン類を、摂取困難の原因である苦味等をマスキングすることで、容易に摂取することができる発酵飲食品を提供することができる。【選択図】なし
