Chamomilla recutita L. (chamomile) and Cuminum cyminum L. (green cumin) essential oils (Hashem Brothers for Essential Oils and Aromatic products) Pretreatment p.o., for 14 days, 400 mg/kg/day (cumin), 250 mg/kg/day (chamomile) Male Wistar rats, 180-200 g
Acetaminophen-induced hepatotoxicity 1 g/kg p.o., a single dose on the 14th day Serum: ALT and AST ↑ Liver: GSH ↓, MDA and SOD ↑ Liver histopathology: hepatocyte necrosis, inflammation, degeneration, dilated central vein, hemorrhage ↑
Cumin essential oil: Serum: ALT and AST (+++) Liver: GSH (0), MDA (-) and SOD (0) Liver histopathology: hepatocyte necrosis, inflammation, degeneration, dilated central vein, hemorrhage (++) Chamomile essential oil: Serum: ALT (++) and AST (0) Liver: MDA (-), GSH, SOD (++) Liver histopathology: hepatocyte necrosis, hemorrhage inflammation, dilated central vein, degeneration (+)
Rich-polyphenol (n-butanol) fractions of 80% methanolic extract of Genista quadriflora Munby and 70% methanolic extract of Teucrium polium geyrii Maire Pretreatment 300 mg/kg daily, p.o., for 10 days Male Wistar rats, about 142 g
Acetaminophen-induced hepatotoxicity A single dose of 1 g/kg, p.o. Plasma: AST, ALT ↑ Liver: SOD, GPx, GR, GSH, GST ↓, CYP2E1, TBARS and mRNA of TNF-α expression ↑ Liver mitochondria: CS and respiratory chain complexes I and II ↓
Genista quadriflora Plasma: AST, ALT (+++) Liver: SOD, GPx, GSH, GST, TBARS, CYP2E1 and mRNA of TNF-α expression (+++), GR ↑ Liver mitochondria: CS and respiratory chain complex I (+++), respiratory chain complex II ↑ Teucrium polium geyrii Plasma: AST, ALT (+++) Liver: SOD, GPx, GSH, GST, TBARS, CYP2E1 and mRNA of TNF-α expression (+++), GR ↑ Liver mitochondria: CS (+++), respiratory chain complexes I and II ↑
Eurycoma longifolia root water extract Physta® (Biotropics Malaysia) 100, 200 or 400 mg/kg, p.o., 1 hour before paracetamol, for 14 days Male Wistar rats, 12-week-old, 120-150 g
↓: a decrease vs. control; ↑: an increase vs. control; (+): a slight beneficial effect; (++): a distinct beneficial effect; (+++): a complete beneficial effect; (0): no beneficial effect; (-): intensification of the harmful effect.