| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a roasted coffee bean with hydrogen peroxide and hydroxy hydroquinone selectively reduced without impairing chlorogenic acid.SOLUTION: A method for producing a roasted coffee bean subjects a raw material roasted coffee bean to a process comprising the following (A) and (B) in which (A) the raw material roasted coffee bean is brought into contact with an enzyme aqueous solution of 5-95 mass% relative to the coffee bean and having peroxidase activity and (B) the coffee bean is held at 1-150°C.SELECTED DRAWING: None |
