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Aroma recovery from the thermal hydrolysis of spent coffee grounds
Aroma recovery from the thermal hydrolysis of spent coffee grounds
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机译:从废咖啡渣的热水解中回收香气
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摘要
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.
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