Objective To study the protective effect of tea oil which is rich in monounsaturated fatty acid on the heart in the common bile duct ligated rats.Methods Using an obstructive jaundice model,changes of serum enxyme,pathology and morphometry was observed.Results The treatment of tea oil significantly improved nutritional condition of obstructive jaundice in rats;decreased the level of total bilirubin(TB),direct billirubin(DB),glutamate pyruvate transaminase(GPT)and glutamate oxaloacetale transaminase(GOT)i...