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《Journal of Anhui Agricultural Sciences》 2008-29
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Optimal Ultrasonic-assisted Extraction Process of Cortex Phellodendri chinensis by Orthogonal Method

ZHEN Hua et al(Sichuan Agricultural University Dujiangyan Campus,Dujiangyan,Sichuan 611830)  
[Objective] The aim of this paper was to optimize the ultrasonic-assisted extraction process of polysaccharide from cortex Phellodendri Chinensis.[Method] The extraction technology was optimized by orthogonal experimental design on effects of extraction temperature,ultrasonic-irradiation time,pH value and extraction times.[Result] The results indicated that the primary factor influencing the extraction rate of polysaccharide was extraction times.The optimum conditions were three times extraction for 25 min at 95 ℃ with pH=9.[Conclusion] The results showed that the method adopted was simple with high accuracy,good stability and reproducibility,and could be used to extract the polysaccharide from cortex Phellodendri chinensis.
【Fund】: 都江堰市科技计划项目(2007-61)
【CateGory Index】: TQ461
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