Research advances in pharmacology of aucubin and aucubigenin Advances in research on aucubin Iridoid glycosides from Centranthera grandiflora Iridoid glycosides from Centranthera grandiflora Determination of Aucubin in Plantago asiatica L.,P. major L.and P. depressa Willd. by HPLC Determ ina tion, Forma tion and Accumula tion ofAucubin in Eucomm ia u lm oides Seeds Studies on factors affecting aucubin production from the suspension cell of Eucommia ulmoides Determination of catalpol and aucubin in fresh Rehmannia glutinosa by HPLC Hairy root culture optimization and aucubin medical composition production of Eucommia ulmoides Comparison on contents of four active constituents between slab and branch barks of Eucommia ulmoides