Table I.

Grouping criteria for the rats based on dosage.

Group	Substance	Dose	Duration
1	Ultra-pure filter water (control)	-	14 days
2	Lead acetate	500 ppm	14 days
3	Etlingera elatior extract	100 mg/kg body weight/day	14 days
4	Lead acetate + Etlingera elatior extract	500 ppm + 100 mg/kg body weight/day	14 days
5	Lead acetate + Etlingera elatior extract	500 ppm + 100 mg/kg body weight/day	14 days+14days
6	Etlingera elatior extract + Lead acetate	100 mg/kg body weight/day + 50 ppm	14 days+14days