Introduction: Portulaca oleracea is a common plant used in South Indian culinary; recently there is increase in research publication on various biological activities of the medicinal herb. The safety of the medicinal herb well accounted by its widespread accepted use of natives yet scientific evaluation on the safety of the herb is not reported. Aim To scientifically evaluate the toxicity profile of the pet - ether extract of Portulaca oleracea by standardized methods. Method A 24hour acute toxicity study followed by 14 day sub-acute toxicity study with serum haematological, biochemical and histopathological analysis’s is evaluated in rodents. Result No observable serious side effects are recorded in acute and sub acute toxicity study for 0.5gm/kg and 1gm/kg pet-ether extract of Portulaca oleracea. There are statistically significant rising (p
Portulaca oleracea (LINN.), Acute Toxicity, Sub-acute Toxicity, Rodents.