Determination of Lethal Doses of Volatile and Fixed Oils of Several Plants

To determine lethal doses of fixed and/or volatile oils extracted from leafs or fruits of Pimpinella anisum, Foeniculum vulgare, Sesamum indicum, Eugenia caryophyllata, Nigella sativa, Urtica pilulifera, Apium graveolens, Cuminum cyminum, Coriandrum sativum and Thymus fallax. Method: Swiss albino mice were injected intraperitoneally with different concentrations of the extract and results were evaluated with the method of probit analysis. Results: Maximum volume of oil administered to mice was kept below 0.5 ml. The oils of Sesamum indicum and Urtica pilulifera was completely non-lethal even at doses reaching 12.8 ml/kg and considered non-toxic. Conclusion: Lethal doses were determined for all other plants and LD1, LD10, LD50, LD90 and LD99 values were given.