Abstract
The semi preparative HPLC method with PDA Detector was proposed for the determination of one phenolic acid, three flavonoids and one polyalcohol from Butea monosperma and Hedychium coronarium in gradient elution system. The influence of composition of the mobile phase concentration of the mix modifier and temperature on the separation of gallic acid, quercetin, iso-butrin, butrin and eugenol for 90min was studied. Two different gradient programmes were used to separate these components. The lower limit of quantification of phenolic acid, flavonoids and eugenol is 0.050–0.150μg/mL and was determined by the least square method and a good correlation was obtained for all separated components.
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