Determination of Brucine and Strychnine in Yaotongning Patch by RP-HPLC
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Determination of Brucine and Strychnine in Yaotongning Patch by RP-HPLC
Chinese Journal of Experimental Traditional Medical FormulaeVol. 17, Issue 17, Pages: 78-80(2011)
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Published:2011
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QIN Ting, Li Ping, ZHENG Yan-chun, et al. Determination of Brucine and Strychnine in Yaotongning Patch by RP-HPLC[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(17): 78-80.
DOI:
QIN Ting, Li Ping, ZHENG Yan-chun, et al. Determination of Brucine and Strychnine in Yaotongning Patch by RP-HPLC[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(17): 78-80.DOI:
Determination of Brucine and Strychnine in Yaotongning Patch by RP-HPLC
Objective: To establish the RP-HPLC method for the content determination of brucine and strychnine in Yaotongning Patch. Method: The Intersil C8-3 (4.6 mm×250 mm
5 μm) column was used; the mobile phase consisted of methanol-water-acetic acid (20 ∶96 ∶7)
adjust pH to 3.10 with triethylamine. The flow rate was 1.0 mL ·min-1 and the detection wavelength was at 254 nm; the column temperature was at 30 ℃. Result: The linear range of strychnine was between 0.020 56-0.123 36 μg (r=0.999 8)
the average recovery was 100.28% with a RSD of 1.33% (n=9); the linear range of brucine was between 0.013 84-0.083 04 μg (r=0.999 9); the average recovery was 99.82% with a RSD of 0.84% (n=9). Conclusion: The method is fast
reliable and accurate
it can be used in the quality control of strychnine and brucine in Yaotongning Patch.
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