化工进展

• 应用技术 • 上一篇    

超临界CO2萃取与同轴喷嘴耦合制备花椒油微胶囊

赵群莉,邓 修,蔡建国,陈鸿雁   

  1. 华东理工大学化工学院
  • 出版日期:2006-08-25 发布日期:2006-08-25

Coupling of supercritical CO2 extraction and coaxial nozzle spray drying to prepare zanthoxylum oil microcapsule

ZHAO Qunli,DENG Xiu,CAI Jianguo,Chen Hongyan   

  1. School of Chemical Engineering,East China University of Technology
  • Online:2006-08-25 Published:2006-08-25

摘要: 采用正交实验研究了超临界CO2萃取花椒油的工艺,探讨了萃取压力、温度和时间等因素对花椒萃取率的影响。并初步研究了在一定条件下,利用同轴喷嘴将萃取出的花椒油直接喷雾干燥制备微胶囊过程中,壁材浓度、壁材流量、CO2流量、进风温度等对包埋率的影响。

Abstract: In this paper,such factors affecting the supercritical CO2 extraction of zanthoxylum oil as extraction pressure,temperature,and time were studied with orthogonal experimental design. In microcapsulation with spray drying by using coaxial nozzle,the factors affecting the degree of encapsulation,such as wall material concentration,wall material flow rate,CO2 flow rate,inlet-air temperature were also investigated。

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