RESUMEN
OBJECTIVE:To provide references for the quality assessment of traditional Chinese liquid medicine-Fructus Polygoni Orientalis.METHODS:The description and the physicochemical identification of Fructus Polygoni Orientalis were carried out;the contents of the extractives were determined and the chemical composition of which was studied.The quality of commercial Fructus Polygoni Orientalis medicinal substances from15nationwide areas was investigated.RESULTS:The results showed that the content of the preparation was higher than that of the raw material in the water soluble extractive assaying;the content of the alcohol-soluble extractive was the opposite.Meletin was found to be contained in the Fructus Polygoni Orien?talis acetic ether extraction liquid by the TLC identification.There was only half maturing rate for most of the commercial Fructus Polygoni Orientalis.CONCLUSION:This method can be used as a reference for the quality assessment of Fructus Polygoni Orientalis.