Therapeutic potential of Moringa oleifera extracts against acetaminophen-induced hepatotoxicity in rats

Syazana Akmal Sharifudin, Sharida Fakurazi, Mohamad Taufik Hidayat, Ithnin Hairuszah, Mohamad Aris Mohd Moklas, Palanisamy Arulselvan
Pharmaceutical Biology 2013, 51 (3): 279-88

CONTEXT: Moringa oleifera Lam. (Moringaceae) is a rich source of essential minerals and antioxidants; it has been used in human and animal nutrition. The leaves and flowers are being used by the population with great dietary importance.

OBJECTIVE: The present study was to investigate the therapeutic effects of the hydroethanolic extract of Moringa oleifera (MO) leaves and flowers against hepatotoxicity induced by acetaminophen (APAP) in rats.

MATERIALS AND METHODS: In the hepatoprotective study, either flowers or leaves of hydroethanolic extract (200 or 400 mg/kg bw through IP injection) were administered an hour after APAP administration. N-Acetylcysteine (NAC) was used as the positive control for this study. Liver and kidney function tests including lipid peroxidation levels were analyzed and histopathological changes of liver and kidney were also observed.

RESULTS: Acetaminophen-induced hepatotoxicity increased the activities of liver marker enzymes. Histologically, the liver was observed to have inflammation and bridging necrosis. Liver marker enzymes were significantly reduced when treated with flower and leaf extracts of MO in animals with APAP induced toxicity. In addition, there were no significant changes observed in clinical markers of kidney function. Histological observation on liver tissue from the rats treated with MO flower and leaf extract showed reduction in the severity of the liver damage.

DISCUSSION AND CONCLUSION: These results indicated the possible therapeutic action of flower and leaf extract from MO in protecting liver damage in rats given an over dosage of APAP.

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