Study on Chemical Constituents of Caesalpinia minax

Objective:To study the liver protecting chemical constituents of Caesalpinia minax.Method:The compounds were isolated and purified by silica gel columns,and recrystallization,and the structures of these compounds were identified by MS and NMR.Result:A total of 16 kinds of compounds were obtained.They were identified as caffeine(1),β-sitosterol(2),octadecanoic acid(3),ursolic acid(4),oleanolic acid(5),β-daucosterol(6),3,5,7-3-hydroxy-4′-methoxy...