A - Human Necessities – 47 – J
Patent
A - Human Necessities
47
J
99/76
A47J 31/42 (2006.01) A23F 3/42 (2006.01) A23F 5/26 (2006.01) A23F 5/48 (2006.01) A23L 1/221 (2006.01) A47J 31/30 (2006.01) B01D 11/02 (2006.01)
Patent
CA 1110909
A CONTINUOUS DESORPTION PROCESS FOR AROMA FLAVOR CONCENTRATE ABSTRACT OF THE DISCLOSURE This invention relates to a process and apparatus for the production of an aroma flavor concentrate from aroma- and flavor-bearing substrates, especially roasted and ground coffee. More particularly, the invention is concerned with a process for continuously dearomatizing and desorbing aroma and flavor constituents from said substrates by passing wet steam counter-currently through a continuous columnar bed of said substrate; said bed flowing upwardly through a substantially upright vacuum- tight desorption column. Wet steam is applied in an amount and manner to form and maintain a substantially stationary desorbtion zone in said flowing columnar bed at a finite distance above a bottom inlet of said upright desorption column. The stationary desorption zone is formed by the condensation of the wet steam as it passes into a progressively cooler temperature gradient in said flowing columnar bed. The temperature gradient is created by the continous introduction of chilled fresh substrate through the bottom inlet. A vaporous aroma flavor frac- tion and a desorbed soluble solids fraction are collected in separate cold traps in communication with said column at about said stationary desorption zone.
314626
Kirby Eades Gale Baker
The Procter & Gamble Company
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