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响应面优化超声波-微波协同提取葡萄籽原花青素工艺研究
Optimization of ultrasound-microwave-assisted extraction of proanthocyanidin from grape seeds by response surface methodology
  
DOI：
中文关键词:  超声波-微波  原花青素  葡萄籽  响应面
英文关键词:ultrasound-microwave  proanthocyanidin  grape seed  response surface methodology
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Author NameAffiliation
CHENG Haitao, SHEN Xianshuang  
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中文摘要:
      以衡水当地产葡萄籽为原料，利用超声波-微波协同提取葡萄籽原花青素。研究了乙醇体积分数、超声功率、超声时间、微波功率、微波时间、液料比对葡萄籽原花青素得率的影响。以单因素实验为基础，采用响应面法优化了超声波-微波协同提取葡萄籽原花青素工艺。结果表明，超声波-微波协同提取葡萄籽原花青素的最佳工艺条件为：乙醇体积分数50%，液料比21∶?1，超声功率400 W，超声时间32 min，微波功率353 W，微波时间3.2 min。在最佳工艺条件下，原花青素得率为6.18%。
英文摘要:
      With grape seeds produced in Hengshui as raw material, ultrasound-microwave was used to extract proanthocyanidin from grape seeds. The effects of ethanol volume fraction, ratio of liquid to material, ultrasonic power, ultrasonic time, microwave power and microwave time on proanthocyanidin yield were researched. Based on single factor experiment, the process of ultrasound-microwave-assisted extraction of proanthocyanidin from grape seeds was optimized by response surface methodology. The results showed that the optimal process conditions were obtained as follows: ethanol volume fraction 50%, ratio of liquid to material 21∶?1, ultrasonic power 400 W, ultrasonic time 32 min, microwave power 353 W, microwave time 3.2 min. Under the optimal conditions, the proanthocyanidin yield was 6.18%.
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