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[Studies on extraction process optimization of Panax notogingseng saponins]
Lin-hai Qu1, Ming Zheng, Yi-jia Lou
1Department of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310031, China.
Objective:
To optimize the conditions for the extraction of panax notogingseng saponins (PNS).
Methods:
After selected extraction solvent and suitable particle, we employed orthogonal experimental design to examine the conditions for the extraction by determination of PNS.
Results:
Significant effect was observed only in extraction times.
Conclusion:
The optimum condition for extraction of PNS was to extract panax notogingseng (Burk.) F. H. Chen with 10 times 70% ethanol for 1.5 hours for 3 times.
