There are various plant originated active chemical constituents which toxicologically significant includes proteins, phenolic compounds, alkaloids, glycosides, and resins, etc. Out of these huge numbers plants in the environment, few cause acute toxicity, severe illness if it is consumed. The diversity constituent quite amazing. Natural poisons those chemicals that kill without violence, myster...

The house fly, Musca domestica, is a very significant pest due to transmitting of various human and animal pathogenic diseases. In a response to environmental threats of chemical insecticides, toxic and biochemical effects of a relatively new plant extracts of willow (Salix aegyptiaca L.) and chasteberry (Vitex agnus-castus L.) comparing with NeemAzal T/S were studied on 3 larval instar of M. d...

Background: Herbal medicinal preparations are used as dietary supplements for disease prevention and alternative/complementary medicine. The growing interest in herbal medicine raises the question of its safety efficacy. Numerous recorded cases intoxication toxicological studies reveal that plants can be toxic, which hinders their safe use. Plant intoxications related to a variety factors inclu...

Snake venoms are composed of a complex mixture of active proteins that induce toxic effects, such as edema, hemorrhage, and death. Lachesis muta has the highest lethality indices in Brazil. In most cases, antivenom fails to neutralize local effects, leading to disabilities in victims. Thus, alternative treatments are under investigation, and plant extracts are promising candidates. The objectiv...

A toxic effect of alpha,alpha-trehalose in an angiospermic plant, Cuscuta reflexa (dodder), is described. This disaccharide and its analogs, 2-aminotrehalose and 4-aminotrehalose, induced a rapid blackening of the terminal region of the vine which is involved in elongation growth. From the results of in vitro growth of several angiospermic plants and determination of trehalase activity in them,...

prangos ferulacea (l.) lindl. (umbelliferae family) is a dominant species in the some partial of habitats in zagros mountains. according to ethno-botanical studies, this plant is one of the best range plants of iran. local ranchers collect green prangos while it is toxic. they then dry the plant and use it to feed their livestock, especially in winter season. this research done to analyse the c...