1, the preparation process of fried food is unknown, and the food raw materials may be unsanitary. Many fried ingredients are spoiled or frozen for a long time. After frying, add various seasonings, which is generally tasteless. The freshness of raw materials can easily lead to the intake of harmful substances, and even cause cancer in serious cases. At the same time, the vegetable oil used for frying food, after a long period of high temperature cooking, often leaves harmful substances, which is harmful to human body after frying food repeatedly.
Fried food is delicious and convenient, so it is welcomed by people. With oil as the heat exchange medium, the food becomes fragrant, and with all kinds of pickling seasonings, the food itself loses its original taste. Fried food is easy to burn black for a long time, producing carcinogens, which is very unfavorable to human health. In addition, it contains a lot of trans fatty acids, which interfere with the normal metabolism of the body through metabolism and transformation after entering the human body and have adverse effects.
3. Trans fatty acids contained in fried foods also increase the risk of cardiovascular diseases. Many diabetics get worse after eating fried food, which is easy to cause fatty acid deficiency. Children often eat fried food, which is not conducive to healthy development. For street food stalls without hygiene license, the safety of fried food can be imagined. Regular consumption of gutter oil and inferior food is easy to cause cancer.
4, fried food also contains a lot of aluminum, long-term intake in the human body accumulation, resulting in calcified tissue affected, not conducive to bone development, easy to lead to osteoporosis, rickets and so on. After high-temperature frying, burnt food will produce many harmful chemicals, and alum will be added to many fried foods, which is very harmful to human body.
5, fried food has low nutritional value, contains a very small amount of dietary fiber, minerals and vitamins, and most seasonings contain monosodium glutamate and salt, which is difficult to ensure health. In addition, fried food is easy to get fat. For people with poor intestinal digestion, frequent consumption of fried food will further aggravate the gastrointestinal condition and even cause gastric cancer and intestinal cancer.
Second, how to eat healthier
1. When frying food, the oil temperature should be strictly controlled. When frying food, the oil temperature should be controlled below 150℃, and the fire should not be too big. When frying fish, it is not necessary to cook at high temperature continuously, and the method of frying fish should be intermittent frequently.
2. Frying fish and meat with a layer of starch paste can also effectively prevent the formation of heterocyclic amines and mutant sources.
3. fried food and oil residue should not be eaten more at a time, nor should they be eaten too much often. Deep-colored, greasy, unpalatable and moldy fried foods are not suitable for eating.
4. When frying food, the oil cannot be used continuously for too long, and new oil should be added in time.
5. The edible oil after frying food should be filtered immediately to remove decomposed substances, so as to prolong the service life of the oil. 6. The edible oil used after repeated frying contains a large number of mutation sources and lipid peroxides, so it is inedible.
7. Fried food, you'd better eat it now.