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Ultrasound-assisted aqueous enzymatic extraction of Benincasa hispida Cogn. seed oil
  
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KeyWord:Benincasa hispida Cogn. seed oil  ultrasound  aqueous enzymatic method  extraction
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ZHANG Weiguang，DI Kai，ZHAO Guojun  
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Abstract:
      The Benincasa hispida Cogn. seed oil was extracted by ultrasound-assisted aqueous enzymatic method．On the basis of single factor experiment, the optimal extraction conditions were obtained by orthogonal experiment as follows: partical size 60 meshes, liquid-solid ratio 7∶?1, dosage of alcalase 2.0%（based on the mass of Benincasa hispida Cogn. seed）, pH 8.0, enzymolysis temperature 55 ?℃, ultrasonic time 20 min, ultrasonic power 150 W, ultrasonic temperature 50?℃. Under these conditions,the extraction rate was 82.55%.
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