"Carcinogenic food" really cause cancer?



I do not know when will start, "food" and "cancer" two words are closely linked together, just type "food" and "cancer" are two key words in a search engine, it will pop up on the computer screen into About one thousand tens of thousands of pages of carcinogenic food, cola, instant noodles, even milk, soy milk, eat these foods are known as "cancer" in the name. In this regard, "Life Times" interview with Chinese Academy of Engineering, the National Food Safety Risk Assessment Center researcher Chen Jun-shi, we summarize the most easily misunderstood several carcinogenic food, and asked him to recite.

milk

Milk carcinogenic argument has been quite spread, which is a statement, the IGF-1 in milk may stimulate cancer cell growth and reproduction, cause cancer. Chen Jun Shi noted, IGF-1 is the full name of the 1st insulin growth factor, which is a hormone secreted by living organisms like protein, respect for human blood glucose control, growth and development has an important role. The human body also contains IGF-1, the body of an adult daily amount of produced ten million nanograms. The IGF-1 in milk content of about 2.45 ng / ml, far below the amount of the human body. The scientific community assessed that, IGF-1 does not cause cancer. There are claims that milk casein cause cancer. It was originally derived from a "rats" Professor Colin Campbell of Cornell University, rats were fed a carcinogen aflatoxin at the same time, were fed soy protein or casein, casein showed relatively easier to promote aflatoxin-induced cancer. Chen Jun-shi said originally carcinogen aflatoxin, without it, either casein or soy protein will not cause cancer in rats. Therefore, we can use this analogy to animal experiments carcinogenic effect of milk. In fact, milk is rich in calcium, but also easily digested and absorbed, drank in favor of calcium.

[Overnight] dish

Overnight dish carcinogenic argument proponents, overnight vegetable produce nitrite, nitrite is a carcinogen. Chen Jun Shi said, "overnight vegetable" because of the different types of vegetables, may indeed produce nitrite in improper preservation, long storage time situation. However, nitrite itself is not carcinogenic, but with the human intake of other foods, pharmaceuticals, pesticide residues in the secondary amine to form carcinogens - nitrosamines. At the same time, much depends on whether the carcinogenic dose. Experiments show that, although the dish overnight nitrite content increased slightly, but the content is limited to human health and does not constitute a substantial impact.

[Instant noodles]

All the rumors about the harmful instant noodles never stopped: there is that instant noodles contain preservatives, antioxidants, eating more will become "mummy"; the walls of the bowl of instant noodles have a layer of wax will accumulate in the human body after being eaten to cause cancer, etc. . Chen Jun-shi told reporters, instant noodles, although hardly a health food, but on its "harmful" rumors do not fly. Instant noodles preservatives and antioxidants are conventional food additives, safety is the result of scientific assessment, as long as the legitimate use, will not have an impact on human health. As for the fear of instant noodles bowl paraffin it is unfounded. Now used in the production of instant noodles in fact polyethylene coating paper cups paper cups, paper cups that it can withstand the temperature when the instant noodles, as well as very good confining effect, and waxed cups already been eliminated. Consumers need to understand that eating will have to see whether the food is the main nutritional diversification, eat instant noodles nutrition is not balanced, but it does not cause cancer.

[Milk]

There are rumors that soy products contain large amounts of plant estrogen, can cause breast cancer in women and the like. In fact, in soy phytoestrogens are not equal to human estrogen. Soybean phytoestrogens mainly soy isoflavones, which have two-way adjustment, low estrogen compensate for the lack of it, can prevent some of the decline in estrogen levels and related diseases, such as osteoporosis and menopausal estrogen high, it will play the role of inhibition of estrogen can prevent breast cancer, therefore, no need to worry about drinking milk can cause breast cancer. "Chinese Dietary Guidelines" recommended daily consumption of 30 to 50 grams of soy, drinking the equivalent of 800 to 1200 ml of milk.

[Coke]

Coke carcinogenic earliest statement from a US consumer protection organization "American Center for Science in the public interest" (CSPI) issued a statement, it said the cola caramel containing 4-methylimidazole, adding that this substance may carcinogenic. In fact, the caramel is a synthetic pigment, the production process does produce byproducts --4- methylimidazole. Safety of the scientific community is quite full of caramel, the United States and the European Union and other countries, it is very safe as food coloring. As for the byproducts 4-methylimidazole, I do not think the US FDA to assess the substance to give a threat to human health, only when a person drinks more than 1000 cans of cola a day can lead to cancer risk.

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