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[HPLC determination of oleanolic acid and llrolic acid in Chinese medicinal herbs]
1Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing 210009, Jiangsu, China.
Objective:
To develop a new method for simultaneous determination of oleanolic acid and llrolic acid in Chinese medicinal herbs at the same time.
Method:
HPLC was carried out on a Shim-pack CLC-ODS column using MeOH-H2O-HOAc-TEA (83:17:0.04:0.02).
Result And Conclusion:
The average recovery of oleanolic acid and llrolic acid was 103.3 +/- 2.07% and 102.7% +/- 0.65% respectively.
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