In the present study, the protective effect of peppermint (Mentha piperita) and parsley (Petroselinum crispum) leaves oils against hepatotoxicity is induced by carbon tetrachloride (CCl4) in experimental rats. GC/MS results indicated that the main components in peppermint oil were menthol (35.9%) and menthone (25.6%), while in parsley oil were a-Pinene (26.6%) and Myristicin (20.3%). Hepatotoxi…