Pizza, sandwich, breads sold in Delhi contain cancer causing elements: CSE
23 May, New Delhi
Almost 84 per cent of bread and bakery samples collected from Delhi contain cancer causing chemicals, according to a study by the Centre for Science and Environment(CSE).
Residues of potassium bromate, potassium iodate have been found in the bread both white and of whole wheat, in the famous brands sold in the city, says the study released here Monday.
Potassium bromate is said to be a class 2B carcinogenic, while potassium iodate can lead to thyroiddisorders. The CSE collected 38 bread and bakery samples from retail shops, bakeries and fast food outlets in Delhi during May-June 2015. The samples included popular varieties of white bread, whole wheat/atta bread, brown bread, multigrain bread, sandwich bread, pav, bun, ready-to-eat burger bread and ready-to-eat pizza bread. Thirty two of 38 samples or more than 84 per cent of samples tested were found to contain potassium bromate and/or iodate in the range of 1.1522.54 ppm (parts per million). Moreover, residues of potassium bromate and/or iodate were found in all product categories.
All samples of white bread, pav, bun and ready-to-eat pizza bread were found to contain potassium bromate and/or iodate. Nineteen of 24 samples or 79 per cent of bread and about 75 per cent of ready-to-eat burger bread also tested positive for the chemicals.
The highest level of potassium bromate and/or iodate was found in sandwich bread. This was followed by pav, bun and white bread. Even the average level of the residues was high in these product categories.
Products of Perfect Bread, Harvest Gold and Britannia were found to contain high average levels of potassium bromate and/or iodate. Harvest Gold Sandwich bread had the highest concentration of the chemicals.
Products of all seven popular fast food outlets selling pizza and burger tested positive for potassium bromate and/or iodate, but at levels lower than those found in bread, pav and bun.
Potassium bromate (KBrO3) and potassium iodate (KIO3) are chemical food additives which, according to Indian food regulations, can be used by bread makers and bakeries as flour treatment agents. Potassium bromate helps achieve high rising and a uniform finish. But the safety of these additives is under a cloud.
In the 1980s and early 1990s, global scientific expert committees began reducing the allowed limit of use for bromate. Eventually, they recommended not using potassium bromate at all, a warning that was heeded in many countries. Potassium iodate is also banned in many countries as it can lead to higher intake of iodine, which can potentially affect thyroid function. But India continues to allow the use of these treatment agents, exposing people to the risk of consuming them through bread and bakery items.