大青叶正丁醇提取物化学成分的HPLC/ESI-MSn研究
Studies on Chemical Constituents from n-BuOH Extract of Folium Isatidis by HPLC/ESI-MSn
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Abstract: High performance liquid chromatography-electrospray ionization mass spectrometry(HPLC/ESI-MSn) was applied to analyze the chemical constituents from n-BuOH extract of Folium Isatidis. The data of retention time, UV spectra, molar masses and structural information on the compounds were obtained. Seventeen compounds are found in extract from n-BuOH. There are four nucleosides, two purines and eleven flavones.
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