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《Journal of Guilin University of Technology》 2010-02
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Extracting Auricularia Pectin Acid Method by Ultrasound Wave and Ultrafine Powder Technique

WEI Han-chang1,2,LIANG Jin-ye 3,WEI Qun-lan2,LI Ruo-hua4(1.School of Chemistry and Chemical Engineering,Guangxi University,Nanning 530004,China;2.Nanning Education College,Nanning 530001,China;3.Nanning School,Guilin Institute of Technology,Nanning 530001,China;4.Guangxi Teacher Education University,Nanning 530001,China)  
The technique of extracting auricularia pectin by acid method coupled by ultrasound wave and ultrafine powder is researched.Based on ultrasound intensity,liquid-solid ratio,extracting temperature and time on auricularia pectin yield and extracting conditions are optimized by orthogonal experimental design.The experiment shows that the optimal extracting conditions are:ultrasound intensity 70 W/kg,liquid-solid ratio 40∶1,extracting temperature 70 ℃,pH 3.0 and extracting time 60 min.Under these conditions,auricularia pectin yield can reach 35.45%,better than other extracting methods.
【Fund】: 广西自然科学基金项目(桂科自0832105)
【CateGory Index】: TS202.3
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