the toxicity material extraction from euphorbia species

euphorbia is a genus of flowering plants belonging to the family euphorbiaceae. consisting of 2008 species. the genus euphorbia produces an irritant, which constitute a health hazard to humans and livestock. the genus euphorbia is one of the largest and most complex genera of flowering plants, however, several botanists have made unsuccessful attempts to subdivide it to smaller genera.  many euphorbias are used for medicinal and other purposes. but it is interesting to note that the plant can be both helpful and toxic. in this study, the toxicity of euphorbia. sp. was examined. the toxic effects of some suspected poisonous plants of the genus euphorbia (euphorbia balsamifera aiton, e. heterophylla l., e. hirta l., e. hyssopifolia l., and e. lateriflora schum and thonn), commonly found in the iran pastures. changes in haematological as well as biochemical parameters were used as indices of toxicosis. experiment showed the important constituents of the aerial parts are terpenoids, including triterpenes: α-amyrin and β-amyrin.