Mechanism study of Rheum officinale on chronic renal failure based on metabolomics HPLC method for simultaneous determination of nine components from leaves of Rheum officinale by HPLC Quality control for extracts from aerial parts of Rheum officinale based on multi-assay depending on one determination Comparision of contents of anthraquinones and phenolic acids compounds in different processed products from Rheum officinale by principal component analysis Anti-herpes Virus Action of Ethanol extract from the Root and Rhizome of Rheum officinale Baill. Studies on Non-anthraquinones in Rheum officinale Baill. Screening of effective components for inhibition of tyrosinase activity in rhubarb based on spectrum-efficiency-structure-activity relationship Screening of effective components for inhibition of tyrosinase activity in rhubarb based on spectrum-efficiency-structure-activity relationship Histochemical localization of anthraquinones in rhizome of Rheum officinale Bail Mechanism study of Rheum officinale on chronic renal failure based on metabolomics