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- W2363072151 abstract "[Objective] To find out the optimized process for ursolic acid and oleanolic acid in hawthorn,and establish the method for determination of ursolic acid in hawthorn herbs by RP-HPLC. [Methods]RP-HPLC method was adopted,with column C 18(250 mm×4.6 mm×5 μm),methanol-water-acetic acid as mobile phase(83∶17∶0.04),Column temperature: 25 ℃,flow rate: 1.0 ml / min,detection wavelength: 220 nm. [Results]Ursolic acid had good linearity in the range of 0.071 4 mg/ml to 4.284 mg/ml with r=0.999 7.The recoveries was 101.66%,RSD=1.70%. [Conclusion]The method has good precision with accurate and reliable results." @default.
- W2363072151 created "2016-06-24" @default.
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- W2363072151 date "2011-01-01" @default.
- W2363072151 modified "2023-09-23" @default.
- W2363072151 title "Determination of Ursolic Acid in Hawthorn by RP-HPLC" @default.
- W2363072151 hasPublicationYear "2011" @default.
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