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Environmental

Organic Products: heroes or villains of the health of the environment?

13/02/2014

This article was translated by an automatic translation system, and was therefore not reviewed by people.






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Families who restricted their intake to fresh, organic food , often from local producers , who have not had any contact with plastics had their levels of bisphenol-a and phthalates increase after five days of dietary change . Both substances are associated with plastic and packaging and can cause endocrine disorders that may have a number of adverse effects on human health and interfere with normal hormonal functions .

The surprising results contradict a study released in March 2011 , which showed that a family dramatically reduced exposure to these substances avoiding canned foods , plastic containers and plastic containers in favor of fresh and organic food .

But despite this , the amount of exposure to a phthalate , DEHP , exceeded the safe dose considered by international environmental agencies . So what happens ?

A survey pulicada in the Journal of Science and Environmental Exposure Epidemiology suggested that contamination was not the package, but the food itself , particularly in milk and spices grown in soil .

Sarah Janssen , senior scientist at the Natural Resources Defense Council , which monitors this issue , wrote :

" DEHP and dozens of other phthalates have been approved as food additives since the 1960s by the FDA . They can be used in various types of equipment used in food processing , including tubes , gloves , belts , caps , packaging , plastic wraps , adhesives and paints .

If you think about all the processing that milk goes through from the time it leaves the cow until it is placed in the bottle of milk , it comes into contact with a lot of pipes and other plastic parts that could lead molecules for DEHP milk. In clinical medicine , we know that the PVC pipes can contain large amounts of DEHP and DEHP when the pipe comes into contact with oily liquids, significant amounts of DEHP are transferred to the liquid . Even the FDA admitted in medical devices . Milk and milk products come into contact with many plastic tubes during processing , which could explain why they are contaminated with DEHP .

However, it is not obvious how spices can become so heavily contaminated with chemical. The average consumer eats dairy foods ( sometimes even vegetarians ) and seasonings ( if only because there is no news of diets that prevent the consumption of spices ) . And Janssen says the results are not definitive enough to provide instructive guidance to consumers .


The dark side of organic agriculture

Everyone knows that organic crops are better for health and , presumably, do not harm the environment. But not only does it benefit the growing organic . A new study by Israeli researchers revealed a disturbing trend :

The Ben - Gurion University of the Negev and the Volcani Center found that liens exist on the wonderful organic farming : Organic agriculture intensive based on solid organic matter such as composted manure mixed with the soil before planting results in significant escape of nitrate by vadose zone soil ( porous ) for groundwater .

Moreover , semelhantse intensive agriculture that have implemented liquid fertilizer through drip irrigation , as commonly practiced in conventional agriculture , resulted in much lower rates of pollution in the vadose zone and groundwater .

Although pollution of groundwater is generally attributed to a wide variety of chemicals , the main cause for the termination of drinking water sources is a high concentration of nitrate in water from the aquifer .


Source : Uol - Modern Consumer

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This article was translated by an automatic translation system, and was therefore not reviewed by people.

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