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《Journal of Huaqiao University(Natural Science)》 2008-01
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Optimizing Ultrasound-Assisted Extraction Conditions by Response Surface Method for Extracting Polysaccharides of Radix Morindae Officinalis

CHEN Su-yan,PENG Ai-hong,WU Sheng-shan,HUANG Zhi-yong(College of Bioengineering,Jimei University,Xiamen 361021,China)  
The optimization of ultrasound-assisted extraction conditions by response surface method for extracting Polysaccharides of radix morindae officinalis was investigated.Based on the Box-Behnken central composite design principles,the method of response surface with three factors and three levels was adopted.The experimental data were analyzed by the RSM softwares of SAS 8.2 and Design-Expert 7.1.1.It was found that the optimum extraction conditions were 1∶13(g∶mL) of the solid to liquid ratio and two times of the ultrasonic extraction with each of 30 min.Under the optimum conditions,the content of the polysaccharides of radix morindae officinalis was 35.93 mg·g(-1).
【Fund】: 福建省自然科学基金计划资助项目(D0610016);; 福建省科技重点项目(2007Y0028);; 集美大学创新团队科研基金资助项目(2006A003)
【CateGory Index】: TQ461
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