Ultrasound-assisted extraction of pomegranate seed oil - Kinetic modeling

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• 作者：Athanasia M. Goula ; ^{athgou@agro.auth.gr} ; ^{athgoula@gmail.com}
• 关键词：Extraction temperature ; Kinetic model ; Pomegranate ; Seed oil ; Ultrasound extraction
• 刊名：Journal of Food Engineering
• 出版年：2013
• 出版时间：August, 2013
• 年：2013
• 卷：117
• 期：4
• 页码：492-498
• 全文大小：502 K

文摘

In this work, ultrasound-assisted extraction was employed to extract oil from pomegranate seeds. Seed particle size, extraction temperature, solvent/solid ratio, amplitude level, and pulse duration/pulse interval ratio were the factors investigated with respect to extraction yield using a central composite design. The optimum operating conditions were found to be: seed particle size, 0.2 mm; extraction temperature, 20 ^oC; solvent/solid ratio, 20/1; amplitude level, 60 % ; pulse duration/pulse interval ratio, 5/15. Under these optimized conditions, the predicted value for extraction yield was 59.8 % . A second-order kinetic model was successfully developed for describing the mechanism of ultrasound extraction under different processing parameters.