Research Article

Amelioration of Prallethrin-Induced Oxidative Stress and Hepatotoxicity in Rat by the Administration of Origanum majorana Essential Oil

Table 1

Histopathological changes in the liver of male rats exposed to prallethrin (Pral) and the protective effect of Origanum majorana essential oil (EO), based on scoring severity of injury.

ObservationControlEOPralPral + EO

Inflammatory cells in the portal area++++
Focal necrosis in the hepatic parenchyma++
Diffuse kupffer proliferation++

Normal (−), minimal (+), mild (++), moderate (+++).