| 摘要 |
PURPOSE: A method for roasting coffee retaining the increase of extracted coffee amount of rapidly roasted coffee and having an increase in a package/head space/methylmercaptan content and to provide a method for roasting coffee. CONSTITUTION: The method for roasting coffee comprises the steps of bringing raw coffee beans into contact with a heated roasting gas for 5-15 minutes until the raw coffee beans are roasted into (30-50) Lu roasting color; bringing the coffee beans heated by the first stage into contact with a heated roasting gas for (0.3-3.5) minutes to give roasted coffee beans having (4-19) roasting color; and then rapidly cooling the roasted coffee beans, stopping roasting to give roasted coffee having (0.27-0.38) density and (4-19) Lu roasting color.
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