PROBLEM TO BE SOLVED: To provide dietary fiber derived from tea leaves, which is superior in taste, color tone, flavor and producing cost, and a producing method of the dietary fiber.SOLUTION: (A) Dietary fiber derived from tea leaves in which a total polyphenols content is 3 to 6 mass% and chromaticity during drying is in a range of -14<；a*<；-4 and 13<；b*<；26 in an L*a*b* color system, and (B) a producing method of the dietary fiber derived from the tea leaves comprising a process for removing polyphenols from the tea leaves and a process for making solution containing metal ion react with the tea leaves in a reaction container, substituting central metal of chlorophyll compound contained in the tea leaves and changing a color of the tea leaves.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】風味、色調、香り、製造コストに優れた茶葉由来食物繊維及びその製造方法の提供。【解決手段】（Ａ）総ポリフェノール類含量が３～６質量％であり、乾燥時の色度がＬ＊ａ＊ｂ＊表色系において、－１４＜ａ＊＜－４、１３＜ｂ＊＜２６の範囲である茶葉由来食物繊維、並びに（Ｂ）茶葉からポリフェノール類を除去する工程と、金属イオンを含む溶液と、茶葉とを反応容器内で反応させ、茶葉に含まれるクロロフィル化合物の中心金属を置換して茶葉を変色させる工程と、を含む茶葉由来食物繊維の製造方法。【選択図】なし
