What are the hazards of reused oil? As we all know, frying oil should be changed frequently and cannot be used for cooking ingredients for a long time, otherwise it will produce harmful substances. This repeatedly used oil is also called chafing dish oil. Once heated, this oil will turn black and smoke, which will not only easily produce trans fat, but also produce more carcinogens such as nitrosamines (1 carcinogen), n-butyric acid (2A carcinogen) and heterocyclic amines.
CCTV Science and Technology Channel once conducted such an experiment: repeatedly frying various vegetable oils to detect the content of harmful substances. With the increase of taking times, carcinogens in oil increased by about 10 times (except edible blended oil).
According to the national standard of vegetable oil for food safety, if the standard value of positive and negative components exceeds 27, edible oil can no longer be used normally. According to the Beijing News, the McDonald's storefront application store has tested the oil meter for many times, and both positive and negative components are above 30. The hotel lobby manager himself used the oil meter to test several times, and the values detected were all above 30. However, he finally asked the old oil to be used normally after simple filtration.
There are healthier ways to eat delicious food, illegal cooking oil, endless mess in restaurants and kitchens, and fried food itself is easy to cause malnutrition and vitamin A deficiency in children. Therefore, although children love to eat, parents should effectively control their children's intake of fried food and try to eat less or not. At the same time, pay attention to a balanced diet.
Usually, children can eat more foods containing vitamins, such as apple company, banana apples, red grapes, strawberry seedlings and wax gourd. Secondly, it should be accompanied by high-protein foods, such as milk, raw eggs, lean pork and fish. In addition, eat more foods rich in dietary fiber, such as sweet potatoes, potatoes, sweet potatoes and so on. Can promote gastrointestinal peristalsis and digestion.
Mom and dad don't trust the Chinese fast food on the market, but occasionally they want to satisfy their cravings, so they might as well choose to cook it at home. As long as you try to choose qualified vegetable oil and keep the whole processing process, you can also make safe and delicious fried food at home.
In addition to frying, the cooking oil used for frying is getting less and less. Because frying requires all ingredients to penetrate into the oil, frying only needs to brush a layer of oil, which reduces the vegetable oil content of food. Why don't parents who are worried about their children eating too much vegetable oil choose this cooking method?