Abstract
Objective To establish a HPLC method for determination of benzylacetone in the rhododendron.Methods The HPLC analysis was carried out on Luna C18(250 mm×4.6 mm,5 μm) at 30℃temperature.The mobile phase was acetonitrile-water (64 ∶ 36),the flow rate was 1 ml/min,and the detection wavelength was 220 nm.Results The linear range of benzylacetone was 17.08～170.8 μg/ml (R=0.9998),the average recovery of this method was 99.81％,and the RSD was 1.46％.Conclusion The method is convenient,quickly and accurate,can be used for the quality control of rhododendron oil and their preparations. Key words: Benzylacetone ; Rhododendron ; HPLC ;
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