Extraction of Pomelo Peel Essential Oil by Enzyme-assisted Method and Determination of Its Antioxidant Activity
The study employed cellulase as an auxiliary enzyme for the enzymatic-assisted steam distillation of pomelo peel to extract the essential oil.Furthermore,optimization of the extraction process was conducted to evaluate the antioxidant activities of the obtained pomelo peel essential oil.Experimental findings revealed that a hydrolysis time of 2 hours,a temperature of 40℃,and an enzyme addition amount of 0.5%resulted in a maximum extraction rate of pomelo peel essential oil at 1.89%.Additionally,when the mass fraction of pomelo peel essential oil was 10%,the scavenging rates for hydroxyl free radicals and 1,1-diphenyl-2-picrylhydrazyl radical 2,2-diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl(DHHP)free radicals reached 98.31%and 47.27%,respectively.Consequently,this essential oil exhibits potential applica-tions in various fields such as food industry,cosmetics production,and healthcare products.
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