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Optimization of ultrasound-assisted extraction of polyphenols from flaxseed meal by response surface methodology
  
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KeyWord:flaxseed meal  polyphenols  ultrasound-assisted extraction  response surface methodology
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Author NameAffiliation
ZHAO Erlao  
LI Ruiping  
JIA Nan，etc  
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Abstract:
      With extraction quantity of polyphenols as index, the ultrasound-assisted extraction conditions of polyphenols from flaxseed meal were optimized by response surface methodology based on single factor experiment. The results showed that the optimal ultrasound-assisted extraction conditions of polyphenols from flaxseed meal were obtained as follows: using ethanol with volume fraction 54% as extractant, ratio of solid to liquid 1∶20, ultrasonic power 240 W, extraction temperature 57℃, extraction time 40 min. Under these conditions, the extraction quantity of polyphenols was 10.14 mg/g.
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