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CITY OF MEXICO (El Universal) .- What we eat is the main cause of cancer risk, above tobacco consumption and infections, warned Magda Carvajal Moreno, researcher at the 39, Institute of Biology (IB) of the National Autonomous University of Mexico (UNAM), which has been studying for a few years aflatoxins, carcinogenic substances that we eat daily in food.
Garnachas and snacks cause cancer: UNAM; food, more carcinogenic than tobacco https://t.co/irndVjUZfc pic.twitter.com/qgefpHGcqA
– El Universal (@El_Universal_Mx) June 29, 2018
Specialist explained that Aflatoxins are secondary metabolites of the fungus Aspergillus flavus, which is found in various foods such as corn, rice, peanuts, nuts, pistachios, peppers, eggs, milk, sausages and beer . produce and consume contaminated food, accumulate for years in deoxyribonucleic acid (DNA) and generate various harmful effects, such as cancer and mutations.
At a conference on the subject at the Permanent Seminar on Agriculture, Food and Nutrition (SPAAN) of the University Food Program (Pual), Carvajal Moreno said that what we Eat is the leading cause of cancer risk, with 36% chance, even before smoking, which accounts for 31% and has been repeatedly warned of its harmful health effects, while infections do not occur. occupy only third place with 11%.
In a previous study, the researcher found that cases of people with liver tumors, 65% had aflatoxins; colon, 54%; rectum, 57%; pancreas, 46%; chest, 40%, and cervix, 60%: "In the latter, there is a higher risk of suffering 6.1% [cáncer] if aflatoxin-DNA adducts are present", he said. According to the researcher, one of the main ingredients of Mexican food is among foods that are contaminated with aflatoxins: corn
Alerted that, for example, tortillas and their derivatives made with dough -like totopos, sopes and tamales, quesadillas, among other typical Mexican dishes- are highly contaminated, since according to a recent study that she developed in Mexico City, 95% white corn and 60% yellow corn contain
He warned that aflatoxins generated by the mold of Aspergillus flavus, which breed easily in poorly stored grains, "are not seen, have no taste or smell, are heat-resistant [soportan entre 260 y 320 grados sin descomponerse] ] and ultrapasteurization, nixtamalization and fermentation. "
In addition, they are insoluble in water and in organic solvents such as methanol, ethanol, benzene and chloroform.
Carvajal Mo Reindeer explained that these metabolites are associated with cancer of the liver, pancreas, lung, colon and cervix of the uterus: "Although they act in millionth of a milligram, they are the most potent biological carcinogens known.We are all born with latent proto-oncogenes, and aflatoxins, by a chemical mechanism of oxidation, turn them into oncogenes [cancerígenos] which accumulate for years in the DNA and mutate, mainly in individuals with a genetic predisposition. "In the first phase, aflatoxins are still removed by the body through the urine, but the danger increases when they are ingested daily – for example, if a person consumes contaminated food for 40 years, the substance is gradually fixed in the DNA, which damages it.
The specialist said that there was an error in repair, replication and integration. that the process of mutation is irreversible and that the cancer process begins, the cell is transformed and the primary malignant tumor comes, in which the doctors must already intervene to counteract it with a treatment, which can include radiation and operations. He recommended eating probiotic foods such as blackberries, green and red peppers, spinach, broccoli, beets, cherries, green beans, tomatoes and carrots.
He concluded that it is difficult to change dietary habits, but it is possible to provide healthy products with adequate storage, in dry and cold deposition.- Mariluz Roldán
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