A new method for separation and quantitative determination of flavone-C-glycosides in seeds of Zizyphus vulgaris var. spinosus by high performance liquid chromatography was elaborated. A reverse-phase system with a COPELL-ODS column using tetrahydrofuran in water (4:53) as a mobile phase was developed. The flavonoids were detected at 330 nm and the analysis was successfully carried out within 15 min. Key Word Index Zizyphus vulgaris var. spinosus - Rhamnaceae - Flavone-C-glycosides - Spinosin - Swertisin - Acylspinosin - HPLC
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Shin et al. (1982) studied this question.
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