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Supercritical CO2 fluid extraction of pomegranate seed oil
  
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KeyWord:pomegranate seed oil  supercritical CO2 fluid  extraction  process condition
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ZHAO Wenya  
SUN Lei  
ZHAO Dengchao，etc  
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Abstract:
      With pomegranate seed as raw material, the supercritical CO2 fluid extraction conditions of pomegranate seed oil were studied. The influences of extraction pressure, extraction temperature and extraction time on the yield of pomegranate seed oil were studied by single factor experiment. Then the extraction conditions of pomegranate seed oil were optimized by orthogonal experiment on the basis of single factor experiment. The results showed that the optimal extraction conditions of pomegranate seed oil were obtained as follows: extraction pressure 40 MPa, extraction temperature 55℃, extraction time 80 min, temperature of separation kettleⅠ 60℃, pressure of separation kettleⅠ10 MPa, temperature of separation kettle Ⅱ 35℃, pressure of separation kettle Ⅱ 6 MPa.Under these conditions, the yield of pomegranate seed oil was 18.6%.
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