Aroma recovery from the thermal hydrolysis of spent grounds

Details Aroma recovery from the thermal hydrolysis of spent grounds Aroma recovery from the thermal hydrolysis of spent grounds

1989-04-17

1990-02-13

Golian, Joseph

Food or edible material: processes, compositions, and products

Processes

Separating volatile essence and combining the separated...

426594, 426650, 426386, 426422, 426532, A23F 516, A23F 548

Patent

active

049005758

ABSTRACT:
The present invention relates to a process to recover beneficial coffee volatiles such as diacetyl and acetaldehyde from an aroma stream generated by the thermal hydrolysis of spent grounds. The aroma stream is passed over a bed of a non-polar microporous adsorbent and effluent is collected until breakthrough of furfural is detected. The invention also relates to the composition of the recovered/purified coffee aroma and to soluble coffee products containing the coffee aroma.

REFERENCES:
patent: 4508745 (1985-02-01), Fulger et al.
patent: 4544567 (1985-10-01), Gottesman
patent: 4571339 (1986-02-01), Katz et al.
patent: 4794010 (1988-12-01), Jones et al.
patent: 4798730 (1989-01-01), Scoville et al.

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