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Iran J Pharm Res. 2013 Winter;12(1):123-9.

Study of the Protective Effect of Teucrium polium L. Extract on Acetaminophen-Induced Hepatotoxicity in Mice.

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School of Pharmacy, Department of Pharmacology and Toxicology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.


In the present study, protective effect of Teucrium polium L. (Labiatae) extract on acetaminophen-induced hepatotoxicity was investigated in mice. Animals were divided into six groups, each group consist of 8 mice. Group one as the negative control group received normal saline, while group two received only crude extract of T. polium L. (500 mg/Kg) for five days and group three as the positive group received acetaminophen (500 mg/Kg). Groups four, five and six received crude extract in doses of 125, 250 and 500 mg/Kg, respectively, and on the fifth day, one hour after the last administration, acetaminophen was given orally (500 mg/Kg). Then on the 6(th) day, animals were sacrificed, their blood was collected to determine serum enzyme activities of ALT, AST and ALP to measure the serum levels of directed and total bilirubin. The livers were removed for histological examination. The results of this study showed the protective effect in all doses but the most significant protection was observed in doses of 250 and 500 mg/Kg (p < 0.05). Also these findings were supported and confirmed by histological examination.


Acetaminophen; Hepatotoxicity; Protective; Teucrium polium L


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