alexa [Determination of the cucurbitacins from Cucubita pepo cv dayangua by HPLC].
Chemistry

Chemistry

Medicinal Chemistry

Author(s): Feng XS, Wang DC, Cai H, Deng XM, Liu YR

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Abstract OBJECTIVE: To establish an HPLC method for the simultaneous determination of four bioactive cucurbitacins in Cucubita pepo cv Dayangua. METHODS: The HPLC chromatography was carried out with a lineal gradient programming and detection wavelength at 215 nm. Kromasil C8 column (150 mm x 4.6 mm ID, 5 microm)was used. The mobile phase was acetonitrile-water (containing 2.0\% HAc) and the flow rate was 1.0 ml/min. RESULTS: The linear range of 23, 24-dihydrocucurbitacin F was 0.28-5.6 microg/ml (r = 0.9978), 23, 24-dihydrocucurbitacin D 0.39-7.8 microg/ml (r = 0.9986), cucurbitacin B 0.304-6.08 microg/ml (r = 0.9983), cucurbitacin E 2. 52 -50. 4 microg/ml (r = 0.9998). The method was accurate with variation less than 5\% and recovery more than 95\%. CONCLUSION: The method is successfully applied to determination of the four cucurbitacins from Cucubita pepo cv dayangua.
This article was published in Zhong Yao Cai and referenced in Medicinal Chemistry

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