Influence of process methods on contents of chemical component Radix Polygoni Multiflori Identification on Radix Polygoni Multiflori and Radix onanchi Auriculati by HPLC fingerprint Determination of Emodin in Kangnaoshuai Capsules and in Radix Polygoni Multiflori by TLC Scanning Studies on nootropic activity and mechanism of emodin-8-O-尾-D-glucopyranoside Fingerprints for Radix Polygoni Multiflori and Caulis et Folium Polygoni Multiflori A New Fatty Ketone of Radix Polygoni Multiflori Preparata HPLC determination of chemical constituents produced in Radix
Polygoni Multiflori after processing