Patent
Production of soluble coffee
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A method of producing a soluble coffee extract powder comprises adding to a coffee extract before or after drying (e.g., freeze-or spray-drying) an oil extracted from freshly roasted coffee and condensed aromatic vapours.Abstract:
1,206,296. Coffee extracts. GENERAL FOODS CORP. 4 Oct., 1967, No. 45319/67. Heading A2B. A method of producing a soluble coffee extract powder comprises adding to a coffee extract before or after drying (e.g. freeze- or spray-drying) an oil extracted from freshly roasted coffee and condensed aromatic vapours. The condensed aromatic vapours fraction is obtained by steam distilling roasted ground coffee at or above atmospheric pressure, collecting the vapours released above 180‹F. during the last 1-20% of total steaming time and cooling the vapours to below 70‹F. The oil may be mechanically expressed or solvent extracted. The condensate fraction may be fractionated into an oily phase containing the condensed aromatic vapours and an aqueous phase containing unwanted components such as acids. The oil and condensed aromatic vapours may be added together or separately to the coffee extract.read more
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