Process Optimization for Ultrasound-Assisted Extraction of Grapefruit Peel Polyphenols
To optimize the process conditions for ultrasonic assisted extraction of pomelo peel polyphenols and provide data support for industrial extraction of pomelo peel polyphenols,this article explores the effects of ultrasound time,extraction temperature,and solid-liquid ratio on the extraction amount of pomelo peel polyphenols through single factor and response surface experiments.The results showed that the optimal extraction conditions for pomelo peel polyphenols were extraction time of 33 minutes,extraction temperature of 40℃,solid-liquid ratio of 1∶55(g∶mL),ethanol concentration of 60%,and extraction power of 560 W.Under these conditions,the highest extraction amount of pomelo peel polyphenols was
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