Comparing the efficiency of extracting antioxidant polyphenols from spent coffee grounds using an innovative ultrasound-assisted extraction equipment versus conventional method

Maxime Beaudor,Peggy Vauchel,Delphine Pradal, Abdulhadi Aljawish,Vincent Phalip

Chemical Engineering and Processing - Process Intensification（2023）

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摘要

•Extracted polyphenols have an antioxidant activity depending on the conditions used.•Conventional and ultrasound-assisted extraction were compared in optimized conditions.•Ultrasound assistance allowed significant enhancement of polyphenols recovery.•Time and energy savings thanks to ultrasound assistance were demonstrated.

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关键词

antioxidant polyphenols,coffee grounds,extraction equipment,ultrasound-assisted

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