Comparison of4Kinds of Extraction Methods for Plumula Nelumbinis / 中国药房

ABSTRACT

OBJECTIVE:To optimize the extract technology for Plumula Nelumbinis.METHODS:Four methods:water extraction(WE),water extraction by precipitation with alcohol(WAE),semi-bionic extraction(SBE),and semi-bionic ex-traction by precipitation with alcohol(SBAE)were used to extract Plumula Nelumbinis and also compared in their effects by adopting the total content of alkaloid and the yield of dry extract as markers.The comprehensive values Y was calculated.RESULTS:Through the comprehensive evaluation of the two markers,the comprehensive values Y ranked in the order of SBE,WE,SBAE and WAE.CONCLUSION:SBE method is the optimal method to extract Plumula Nelumbinis.