Continuous desorption apparatus for aroma flavor concentrate

Details Continuous desorption apparatus for aroma flavor concentrate Continuous desorption apparatus for aroma flavor concentrate

1979-03-09

1980-05-27

Jenkins, Robert W.

Foods and beverages: apparatus

Beverage

Infusors

99289R, 99293, 99483, 426594, 426386, A47J 3130, A47J 3142

Patent

active

042044642

ABSTRACT:
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 de-aromatizing 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 desorption 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 continuous introduction of chilled fresh substrate through the bottom inlet. A vaporous aroma flavor fraction and a desorbed soluble solids fraction are collected in separate cold traps in communication with said column at about said stationary desorption zone.

REFERENCES:
patent: 2517073 (1950-08-01), Alvarez
patent: 2811098 (1957-10-01), Pavlecka
patent: 3717472 (1973-02-01), Strobel
patent: 3966975 (1976-06-01), Hansen
patent: 3997685 (1976-12-01), Strobel

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