Patent ID: 7794772
Filing Date: 2010-09-14
Classification: A21D,A23F

Abstract:
1. A process for producing an aroma-containing clarified and concentrated coffee extract, the process comprising the steps of: (a) adding a liquid to roasted coffee beans and wet-grinding the resultant substance to form a slurry; (b) stripping-treating the slurry formed in step (a) to separate an aroma component-containing distillate and the stripping-treated slurry from each other; (c) rough-filtrating the stripping-treated slurry obtained in step (b); (d) separating the rough-filtrated filtrate obtained in step (c) into three layers of a coffee oil-containing liquid, a coffee extract and a sludge using a three-layer centrifuge; (e) fine-filtrating the coffee extract obtained in step (d) to obtain a clarified coffee extract; (f) concentrating the clarified coffee extract obtained in step (e) to obtain a clarified and concentrated coffee extract; and (g) mixing the clarified and concentrated coffee extract obtained in step (f) with a part of, or the entirety of, the aroma component-containing distillate obtained in step (b) to obtain the aroma-containing clarified and concentrated coffee extract.