Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials 2009-Dec
[Studies on technology optimization for extracting triterpenoid saponins from Picria felterrae by multi-target grading method].
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OBJECTIVE
To study the optimum extraction conditions of triterpenoid saponins from Picria felterrae.
METHODS
The optimum extraction conditions were investigated by the contents of the total glycosides and picfeltarraenine I A and I B, using orthogonal test.
RESULTS
The optimum extraction conditions were as follows: using 70% alcohol of 19 times than the amount of original material soaking 3 hours, extracting twice with hot reflux method at 80 degrees C, 3h the first time, 1 h the second time.
CONCLUSIONS
The selected extraction conditions are convenient and practical with high accuracy, and could be used as a reference for industrial production.
