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水力空化作用强化月桂酰氯酰化大豆蛋白工艺的研究
Hydraulic cavitation enhancement of lauroyl chloride acylation of soybean protein
  
DOI：
中文关键词:  水力空化  大豆蛋白  月桂酰氯  酰化
英文关键词:hydraulic cavitation  soybean protein  lauroyl chloride  acylation
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Author NameAffiliation
CHENG Haitao，SHEN Xianshuang  
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中文摘要:
      在水力空化作用下，以大豆蛋白为原料，利用月桂酰氯酰化修饰大豆蛋白。设计了产生水力空化作用的强化反应装置，利用单因素实验对水力空化压力、水力空化时间、水力空化温度、料液比对月桂酰氯酰化大豆蛋白产物产率的影响进行了研究。采用响应面实验优化了工艺条件，测定了月桂酰氯酰化大豆蛋白产物的表面活性性能。结果表明：水力空化强化月桂酰氯酰化大豆蛋白最优工艺条件为水力空化压力0.32 MPa、水力空化时间56 min、水力空化温度57?℃、料液比1.75∶?1，在此条件下，产率为96.5%，酰化产物表面活性性能优越。
英文摘要:
      Hydraulic cavitation was used to enhance reaction of modifying soybean protein by lauroyl chloride. Hydraulic cavitation enhancement equipment was designed. The effects of hydraulic cavitation pressure, hydraulic cavitation time, material-liquid ratio and hydraulic cavitation temperature on the yield of acylation product were researched by single factor experiment, and the conditions were optimized using response surface methodology, and the surface activity of the acylation product was determined. The results showed that the optimal conditions for acylation of soybean protein by lauroyl chloride were obtained as follows: hydraulic cavitation pressure 0.32 MPa, hydraulic cavitation time 56 min, material-liquid ratio 1.75∶?1, hydraulic cavitation temperature 57?℃. Under these conditions, the yield was 96.5%. The surface activity of the product was superior.
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