Method of Processing Chlorogenic Acid-Rich Coffee Beans
A method of processing coffee beans in which green coffee beans are roasted and roasted coffee beans are obtained, wherein the green coffee beans are brought into contact with a high-temperature, high-pressure fluid and the roasting process is performed.
1 . A method of processing coffee beans in which green coffee beans are roasted and roasted coffee beans are obtained, wherein the green coffee beans are brought into contact with a high-temperature, high-pressure fluid and the roasting process is performed.
2 . The method of processing coffee beans according to claim 1 , wherein the roasting is performed at 100 to 230° C.
3 . The method of processing coffee beans according to claim 2 , wherein the roasting is performed at 170 to 210° C.
4 . The method of processing coffee beans according to claim 1 , wherein the roasting is performed at a gauge pressure of 0.1 to 3.0 MPa.
5 . The method of processing coffee beans according to claim 1 , wherein the fluid is a saturated steam.
6 . A processed coffee bean product that is processed using the method of processing coffee beans according to claim 1 .
7 . A coffee beverage wherein the processed coffee bean product according to claim 6 is used as a raw material.
8 . Roasted coffee beans having a degree of roasting of L18 to L23 and a chlorogenic acids content of 10 to 13 mg per gram.