PROBLEM TO BE SOLVED: To provide a method for producing well-flavored refined roasted coffee beans high in chlorogenic acid concentrations and low in the mass ratio for hydroxyhydroquinone and chlorogenic acids.SOLUTION: The method for producing refined roasted coffee beans includes the step of bringing raw material roasted coffee beans 12-35 in Hunter L number into contact with coffee beans-derived extract-containing water selected from water containing extract derived from roasted coffee beans 40 or greater in Hunter L number and water containing extract derived from raw coffee beans.COPYRIGHT: (C)2009,JPO&INPIT【課題】クロロゲン酸類濃度が高く、かつヒドロキシヒドロキノンとクロロゲン酸類の質量比が小さく、風味に優れる精製焙煎コーヒー豆の製造方法を提供する。【解決手段】ハンターL値が12~35の原料焙煎コーヒー豆を、ハンターL値が40以上の焙煎コーヒー豆由来抽出物含有水及びコーヒー生豆由来抽出物含有水から選ばれるコーヒー豆由来抽出物含有水に接触させる工程を含む、精製焙煎コーヒー豆の製造方法。【選択図】なし
