Determination of four alkaloids in Corydalis decumbens by HPLC / 中国中药杂志
China Journal of Chinese Materia Medica
; (24): 2110-2112, 2011.
Article
in Zh
| WPRIM
| ID: wpr-283246
Responsible library:
WPRO
ABSTRACT
<p><b>OBJECTIVE</b>To establish a quantitative HPLC method for determination of protopine, palmatine hydrochloride, bicuculline and tetrahydropalmatine, in Corydalis decumbens.</p><p><b>METHOD</b>The separation was performed on a ZORBAX Eclipse XDB-C18 column (4.6 mm x 150 mm, 5 microm) at a flow rate of 1.0 mL x min(-1) using mixtures of two solvents [A(20 mmol x L(-1) ammonium acetate)-B(acetonitrile)]: with a gradient elution. The column oven temperature was 30 degrees C and the detection wavelength was set at 280 nm.</p><p><b>RESULT</b>The 4 alkaloids were well separated by this HPLC method. Linearifies of protopine, palmatine hydrochloride, bicuculline and tetrahydropalmatine were good in the ranges of 1.44-46.0 (r = 0.999 4), 1.2640.2 (r = 0.999 8), 1.37-44.0 (r = 0.999 9), and 1.3643.6 mg x L(-1) (r = 0.999 9), respectively. The average recoveries were 98.2% with RSD 2.7% for protopine, 101.9% with RSD 2.5% for palmatine hydrochloride, 102.8% with RSD 3.5% for tetrahydropalmatine, and 98.8% with RSD 3.1% for tetrahydropalmatine.</p><p><b>CONCLUSION</b>This method is proved to be convenient, reliable and accurate., and it can be used for quality control of C. decumbens.</p>
Full text:
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Index:
WPRIM
Main subject:
Plants, Medicinal
/
Chemistry
/
Reproducibility of Results
/
Chromatography, High Pressure Liquid
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Corydalis
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Drug Stability
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Alkaloids
Language:
Zh
Journal:
China Journal of Chinese Materia Medica
Year:
2011
Type:
Article