Table 1.

Effects of different oral single doses of L. elliptica essential oil in rats for acute toxicity

L. elliptica essential oil (mg/kg)	D/T	Symptom
500	0/10	None
1 000	0/10	Hypoactivity
2 000	0/10	Hypoactivity
2 500	1/10	Hypoactivity
3 000	5/10	Hypoactivity, lacrimation, piloerection
4 000	6/10	Hypoactivity, lacrimation, piloerection

All treated rats were carefully examined for up to 14 d after the dose for toxicity signs and lethality. D/T: number of dead rats/number of treated rats. None: no toxicity symptoms observed during the observation period