| 摘要 |
Process and apparatus for the preparation of extracts from ground roasted coffee and the like comprising subjecting ground roasted coffee sequentially to (a) exhaustive extraction of the solubles at a temperature at which no substantial hydrolysis of coffee solids occurs, (b) heating for a short time to a temperature at which insoluble coffee solids are transformed into extractable substances, and (c) exhaustive leaching at a temperature within the same range as that used for step (a). |
