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FDA warning! It's romantic to add liquid nitrogen to food. Be careful of visceral frostbite!
Smoke-filled, smoky ice cream and bartending have a lazy and mysterious charm under the light, and they are the new favorites of many Instagram users and food bloggers. The famous chef Heston Blumenthal, food writer Harold McGee and new york bartender Eben Freeman are all lovers of liquid nitrogen.

But if I tell you that eating food with liquid nitrogen may cause frostbite to your internal organs, even serious stomach perforation, do you dare to covet the "beauty" of this food?

The FDA recently issued a warning that food containing liquid nitrogen has safety concerns. Although liquid nitrogen is non-toxic, it will cause serious damage to skin and internal organs if it is not handled properly or accidentally ingested due to low temperature. In addition, inhaling the vapor released by food or drink with liquid nitrogen may also lead to dyspnea, especially for asthma patients.

What is liquid nitrogen?

The temperature of liquid nitrogen is MINUS 195.79 degrees Celsius, so at room temperature, it can be seen that liquid nitrogen volatilizes in the air like white smoke. Liquid nitrogen itself is not toxic, but it can treat skin diseases on the epidermis. The principle of action is that the epidermis is necrotic by low temperature, and then the lesions are peeled off.

Such a low temperature can freeze the skin tissue to death, and naturally it can also make your internal organs suffer. Therefore, if food containing liquid nitrogen is put into the mouth at will, it is likely to cause frostbite and necrosis of tissue epidermis, and even oral bacteria invade the wound, resulting in cellulitis.

Many cases of frostbite abroad are still used by domestic manufacturers.

In 20 12, a British girl drank a cocktail containing liquid nitrogen during the celebration in a bar, and then felt dyspnea and stomachache, and was sent to hospital for treatment. The doctor diagnosed her with gastric perforation and eventually had to undergo gastrectomy. Last month, American boys ate snacks containing liquid nitrogen, and soon they began to breathe hard and finally went to the hospital. At present, Britain has banned bars from preparing "liquid nitrogen cocktails".

Although this unfortunate case has not been staged in Taiwan Province, many operators in Taiwan Province are still using liquid nitrogen as a gimmick. The "smoking ice cream" and "smoking candy" in the night market, some bartending in bars, and the extra liquid nitrogen added in molecular ice cream shops for the effect have all become a hidden worry for people's food safety. Dong Jingxin, a special member of the Food Division of the Food and Drug Administration, said that at present, there is no relevant regulation in Taiwan Province, but relevant regulations are already under consideration and will be regulated in the future to ensure the safety of Taiwan Province people.

White smoke is more than one kind of snake shadow without a glass bow.

However, do we have to thank all the delicious food that is smoking white? Not really, because there are many ways to make white smoke, and liquid nitrogen is just one of them. Many bars use "smoke guns". There is a burning hole above the smoke barrel. After the hole is filled with smoke sawdust and ignited, the motor will send smoke out of the air outlet.

The principles of these two kinds of "white smoke" are completely different. The white smoke of liquid nitrogen is simply small water droplets that condense rapidly, while the white smoke produced by a smoke gun usually has other special smells, so it is not difficult to distinguish.