Studies on the chemical constituents of Zanthoxylum utile Huang

To study the chemical constituents of Zanthoxylum utile Huang,the chemical constituents were isolated and purified by normal,reverse column chromatography and HPLC.Their structures were identified by spectral analysis.Eleven compounds were isolated from the EtOH extract of Zanthoxylum utile Huang.They were identified as skimmianine(1),dictamnine(2),γ-fagarine(3),decarine(4),fargesin(5),horsfieldin (6),episesamin(7),6,7,8-trimethoxylcoumarin(8),scoparone(9),p-hydroxy-cinnamaldehyde (10),β-sitosterol(11).All compounds were isolated from the plant for the first time.