Studies on the Extraction Process of Rhizoma Coptidis in Jiangtang Capsule by Orthogonal Design Method
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Studies on the Extraction Process of Rhizoma Coptidis in Jiangtang Capsule by Orthogonal Design Method
Chinese Journal of Experimental Traditional Medical FormulaeVol. 6, Issue 1, Pages: 12-14(2000)
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Published:2000
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HAN Li-wei, REN Tian-chi. Studies on the Extraction Process of Rhizoma Coptidis in Jiangtang Capsule by Orthogonal Design Method[J]. Chinese journal of experimental traditional medical formulae, 2000, 6(1): 12-14.
DOI:
HAN Li-wei, REN Tian-chi. Studies on the Extraction Process of Rhizoma Coptidis in Jiangtang Capsule by Orthogonal Design Method[J]. Chinese journal of experimental traditional medical formulae, 2000, 6(1): 12-14.DOI:
Studies on the Extraction Process of Rhizoma Coptidis in Jiangtang Capsule by Orthogonal Design Method
the optimum extraction conditions of rhizoma coptidis in Jiangtang capsule were established.The mobile phase of HPLC was KH2PO4-Na2S2O3-H2O-CH3CN(3.4g∶1.7g∶140ml∶60ml).The best extraction process was as follows:reflux with 80% alcohol for three times
for the first time:6 times alcohol of crude drug for 2hr;the second:5times for 1.5hr and the last:4 times for 1.5hr.