Determination of Nitidine Chloride in Shinyleaf Pricklyash(Zanthoxylum nitidum) Determination of Three Alkaloids of Zanthoxylum nitidum var.fastuosum Using TLCS STUDIES ON CHEMICAL CONSTITUENTS OF ZANTHOXYLUM PASHANENSE N. CHAO Studies on pharmacokinetics of nitidine chloride in rabbits STUDY ON ALKALOIDS OF ZANTHOXYLUM LAETUM ALKALOIDS FROM THE ROOT OF ZANTHOXYLUM NITIDUM VAR. FASTUOSUM