Friday, 12 September 2014

General assignment 2

ENDOSULFAN

           Endosulfan is an off-patent organochlorine insecticide and acaricide that is being phased out globally. The two isomers, endo and exo, are known popularly as I and II. Endosulfan sulfate is a product of oxidation containing one extra O atom attached to the S atom. Endosulfan became a highly controversial agrichemical due to its acute toxicity, potential for bioaccumulation, and role as an endocrine. Because of its threats to human health and the environment, a global ban on the manufacture and use of endosulfan was negotiated under the Stockholm Convention in April 2011. The ban will take effect in mid-2012, with certain uses exempted for five additional years. More than 80 countries, including the European Union, Australia, New Zealand, several West African nations, the United States, Brazil, and Canada had already banned it or announced phase-outs by the time the Stockholm Convention ban was agreed upon. It is still used extensively in India, China, and few other countries. It is produced byMakhteshim Agan and several manufacturers in India and China.
             
                                         




Endosulfan has been used in agriculture around the world to control insect pests including whiteflies, aphids, leafhoppers,Colorado potato beetles and cabbage worms. Due to its unique mode of action, it is useful in resistance management; however, as it is not specific, it can negatively impact populations of beneficial insects. It is, however, considered to be moderately toxic to honey bees, and it is less toxic to bees than organophosphate insecticides.


HEALTH EFFECTS OF ENDOSULFAN   
  
      Endosulfan is one of the most toxic pesticides on the market today, responsible for many fatal pesticide poisoning incidents around the world. Endosulfan is also a xenoestrogen—a synthetic substance that imitates or enhances the effect of estrogens—and it can act as an endocrine disruptor, causing reproductive and developmental damage in both animals and humans. Whether endosulfan can cause cancer is debated. With regard to consumers' intake of endosulfan from residues on food, the Food and Agriculture Organization of United Nations has concluded that long-term exposure from food is unlikely to present a public health concern, but short-term exposure can exceed acute reference doses.


CONCLUSION

           Development and environmental protection should go hand in hand. We believe in humanity, in a peaceful world of helpfulness, and in the high mission of science. It is imperative that studies need to be undertaken to elucidate endosulfan’s genotoxic, reproductive and developmental effects on humans. Owing to the extensive use of endosulfan developing countries such as India, more research proving its deleterious effects on human life is essential to impose a ban on the chemical.

          

                                                    

                       



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