PROBLEM TO BE SOLVED: To provide a method for producing a chlorogenic acid-containing preparation that is hard to generate turbidity even when a chlorogenic acid concentration is adjusted to an optimal concentration for a beverage by dilution, to be prepared as an acidic beverage.SOLUTION: A method for producing a chlorogenic acid-containing preparation has a first step of mixing a raw coffee beans extract, with a water-soluble metal salt that is 0.1-12.5 times larger in mass than the solid content of the raw coffee beans extract, and a second step of treating the mixed liquid through a membrane.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】クロロゲン酸類濃度を飲料の至適濃度に希釈して酸性飲料とした場合にも濁りの発生し難いクロロゲン酸類含有製剤の製造方法を提供すること。【解決手段】生コーヒー豆抽出物と、該生コーヒー豆抽出物の固形分に対して0.1~12.5質量倍の水溶性金属塩とを混合する第1の工程と、該混合液を膜処理する第2の工程を備える、クロロゲン酸類含有製剤の製造方法。【選択図】なし
