Research on preparation of arctigenin from Arctii Fructus Study of screening pseudoallergenic substances of Shuanghuanglian injection Simultaneous determination of rutin, hesperidin, and arctiin in Fupo Ganmao Granules by HPLC Transformation of arctiin in water extract of Arctii Fructus with Aspergillus niger Studies on the Chemical Constituents of Elsholtzia eriostachya Benth. Determination of plasma protein binding rate of arctiin and arctigenin with ultrafiltration Advances in studies on pharmacological effect of arctiin and arctigenin In vivo absorptive dynamics of arctiin in intestine of rats Transformation of arctiin in water extract of Arctii Fructus with Aspergillus nigger Study on condition for extraction of arctiin from fruits of Arctium lappa using supercritical fluid extraction