| 摘要 |
PURPOSE:To obtain a roast drink having unique and excellent taste and flavor which have never been attained hitherto, by roasting a part of, a mixture of coffee beans and barley and/or adlay grains at a high temperature for a short time, roasting the remaining part of the above mixture at a low temperature for a long time, and mixing both roast mixtures together. CONSTITUTION:The whole or a part of the raw material composed of coffee beans and barley and/or adlay grains is roasted at a high temperature for a short time with hot gas e.g. hot air obtained by burning a fuel such as city gas, petroleum, etc., or with a heat medium obtained by mixing the above hot gas, etc. with a secondary gas such as air, nitrogen gas, etc. to obtain grains roasted at high temperature for a short time. The remaining part of the raw material is roasted under normal condition, i.e. at lower temperature for a longer time than the above condition, and the obtained roast grains are mixed with the above high-temperature roast grains. Each grain of the mixture is divided into 4-8 pieces or the mixture is crushed to a size larger than 10-50 mesh. |
