The German Federal Institute for Risk Assessment (BfR) in 2005 found that the reaction of benzoate

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Harmless preservatives marriage carcinogen is born of our glass. The risk is not high, but the process was partially shrouded cutting in darkness, and there is no limit for benzene - remains the proven prudence.
First, in the nineties the suspicion arose that the acid used in soft drinks preservation (E 210) and its salts (sodium, potassium, calcium benzoate E 211 - E 213) in response to ascorbic acid (E 300) to form benzene. The benzoic acid and benzoates widely used food preservatives that have a strong effect on the bacteria, yeasts and molds.
The food these artificially generates, cutting but some fruits and herbs (such as cranberries cutting and blueberries, plums and cloves and cinnamon) can be found. The ascorbic acid itself is not dangerous predilection for food use because of the high sugar content and lack of fruit flavored drinks contain natural vitamin C than not, is therefore a good idea to these refreshing Twitter ascorbic acid added.
However, the resulting cutting benzene carcinogenic, toxic substance that is absorbed through the skin and by inhalation. The poisoning headaches, restlessness, insomnia, severe cases narcotic symptoms and respiratory paralysis.
The last known benzolmérést the British Food Standards Agency carried out in March 2006, one hundred fifty soft drinks available in Britain, a third of which showed benzene. The test results of the home dilutable cutting drinks contain a larger proportion of the material. The highest values were measured in the low-calorie prepared citrus drinks.
After a good fifteen years of British cutting food inspection hundred and fifty commercial beverage examined the benzene. The test results showed the area of products, benzene, and about three percent of the samples were found in concentrations higher than the limit set for drinking water. These goods are removed from the market immediately.
Benzene in soft drinks is not permissible upper limit for drinking water only - it is in the U.S. and Europe a millennium milligrams per liter. America, the competent authority, cutting the FDA (Food and Drug Administration), despite cutting the well-known problem has still not been decided by any limit, it has not managed to find out exactly what conditions affect the formation of benzene. According to the FDA it must be clarified first, cutting and then you can control.
The German Federal Institute for Risk Assessment (BfR) in 2005 found that the reaction of benzoate and ascorbic acid depends on many factors. Among others, the reacting material densities, lúgosságától or acidity of the solution, certain metal ions (eg, copper, iron) present, the temperature, storage time, etc.. The researchers, however, the outcome of the reaction is still not completely clear regularities lay.
At the moment all we know is that prevention is surest when the two main characters do not have a response time of our glass. As the soft drinks in a pre-benzoate preservative can not be allowed to trigger another, the only option to say goodbye to ascorbic acid.
If benzene is formed in soft drinks, it is also usually very small quantities, which are not per se prejudicial to the health of the consumer. However, we should not forget that the intake of various sources of preservatives, additives, the effect can accumulate. BfR has determined that forty liters of soft drinks a day should we wrote in to the big city traffic inhaled cutting benzene cutting amount of exhaust gases that day (about two milligrams per century) of a pollutant entering our bodies. Not to mention the smoker about two people a day on average eight-tenths milligrams of benzene inhale. Experts nevertheless definitely want to be a favorable safety