XU Nan, ZHANG Chao, CAI Mei-chao, et al. Ethanol Extraction Process of Jutongning Patch[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(19): 35-37.
XU Nan, ZHANG Chao, CAI Mei-chao, et al. Ethanol Extraction Process of Jutongning Patch[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(19): 35-37.DOI:
Objective: To optimize ethanol extraction process of Jutongning patch. Method: Optimized concentration of ethanol extract are investigated by direct comparison with paeoniflorin
total alkaloids and the amount of alcohol extracts as index.Optimized ethanol extraction processes of Paeoniae Radix Alba
Coptidis Rhizoma
Corydalis Rhizoma from Jutongning patch are investigated by using orthogonal design.Paeoniflorin and the amount of alcohol extracts were used as index in the investigation. Result: Paeoniae Radix Alba
Coptidis Rhizoma
Corydalis Rhizoma were ground to coarse powder and extracted twice in 70% ethanol with 2 h per time
10 times ethanol for the first time and 8 times ethanol for the second time. Conclusion: The optimum process are rational and has high yield of active constituents.