PROBLEM TO BE SOLVED: To provide a method for efficiently recovering tannin and producing a tea extract having excellent flavor.SOLUTION: A tea extract production method includes: a first step of mixing tea leaves and water in an extraction apparatus having an opening on an upper side to obtain a tea extract solution a second step of tilting the extraction apparatus at an angular velocity of 0.0073-0.06 rad/s so that the opening forms an inclination angle with respect to the horizontal direction and discharging the extract solution containing used tea leaves from the opening to a screen comprising a perforated plate including a large number of holes and a third step of separating the used tea leaves from the tea extract solution on the screen.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】タンニンを効率よく回収し、かつ香味に優れる茶抽出物の製造方法を提供すること。【解決手段】上方に開口を有する抽出装置内で茶葉と水とを混合して茶抽出液を得る第1の工程と、前記開口が水平方向に対して傾斜角をなすように、角速度0.0073~0.06rad/sで前記抽出装置を傾け、前記開口から茶殻を含む抽出液を、多数の孔を含む有孔板からなるスクリーンに排出する第2の工程、及びスクリーン上で、茶殻と茶抽出液とを分離する第3の工程を含む、茶抽出物の製造方法。【選択図】なし
