The anti- oxidizer of coffee bean origin is offered. The anti- oxidation substance which makes the water extract of the coffee or the aqueous solution of the said extract contact with the adsorbent, is adsorbed into the said adsorbent the method of including the fact that it liquates with the organic solvent or the water organic solvent.コーヒー豆由来の抗酸化性物質を提供する。焙煎コーヒーの水抽出液または該抽出物の水溶液を吸着剤と接触させ、該吸着剤に吸着された抗酸化物質を有機溶剤または水性有機溶剤で溶出することを含む方法。