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You should pay attention to these seven points

You know some simple dietary taboos, but there are many you don't know. Come and have a look!

Eating black spot sweet potato can cause poisoning

Sweet potato with brown or black spots on its epidermis is polluted by black spot pathogen. The toxin discharged by the black spot pathogen contains the sweet potato ketone and the sweet potato ketone alcohol, which makes the sweet potato hard and bitter, and is not highly toxic to the human liver. The biological activity of the toxin can not be destroyed by boiling, steaming and roasting. Therefore, eating raw or cooked sweet potatoes with black spot can cause poisoning.

Diet taboo of milk

Drink a cup of warm milk in winter to warm your stomach and sleep well. It seems that we can't forget chocolate when it comes to milk, but it's unscientific to drink milk and eat chocolate at the same time. Because milk is rich in calcium and protein, and chocolate contains oxalic acid. When milk and chocolate are eaten together, calcium in milk and oxalic acid in chocolate form insoluble precipitate calcium oxalate. People not only can't absorb it, but also have dry hair, diarrhea, calcium deficiency and growth retardation Therefore, the time of drinking milk and eating chocolate should be separated.

Food that should not be eaten together with milk: orange and milk - it should not be eaten for about 1 hour before and after drinking milk. Because once the protein in milk meets the acid in orange, it will coagulate, which will affect the digestion and absorption of milk. In this period, it is not suitable to eat other acid fruits. Fruit juice and milk - 80% of the protein in milk coagulated in the acid environment of fruit juice is casein. When the pH of milk is below 4.6, a large amount of casein will coagulate and precipitate, which is difficult to digest and absorb. In serious cases, it may also lead to indigestion or diarrhea. Therefore, it is not suitable to add acid drinks such as juice to milk. Milk and sugar - the lysine contained in milk can react with fructose under heating conditions to produce toxic fructosyl lysine, which is harmful to human body. Don't add sugar to fresh milk when it's boiling. Cook the milk well and wait for a little cool before adding sugar.

Improper hot pot is easy to get sick

Hot pot is one of people's favorite food in winter, but there are many taboos in eating hot pot. If it's a little improper, it's likely to cause gastrointestinal discomfort or even poisoning. First, when eating instant boiled mutton, it's not appropriate to pay attention to the tenderness of meat. Many people eat hotpot and think that the mutton slices are tasty only when they are seven or eight cooked, but they are easily infected with trichinosis. Second, eating charcoal hot pot time should not be too long. Because, when eating a pot, it's usually a small room with many people, high indoor temperature, no air circulation, lack of oxygen in the room, and the charcoal can't burn through, it will produce a lot of carbon monoxide, which is easy to poison people.

Third, do not eat hot pot soup. The ingredients of hot pot are mostly meat, seafood and green vegetables. The thick soup juice formed after these materials are mixed together contains a very high concentration of substance called 'porphyrin', which is metabolized by the liver to generate uric acid, which can reduce renal function and hinder excretion, resulting in excessive accumulation of uric acid in the blood and tissues, leading to gout.

Eating casserole and stew is easy to hurt your health

Casserole gives people a safe and healthy feeling. Eating casserole stew in winter makes people have appetite very much. However, Casserole Dishes should not be eaten often. Stewed dishes cooked in casserole, due to the excessive heating time, the protein degradation of animal derived food materials, the ability to dissolve the water weakened, and the gel liquid precipitated greatly, making the toughness increased, and the taste of food was poor, which was not conducive to the digestion and absorption of human body. The loss rate of mineral and vitamin in raw materials is high when stewed in casserole. In addition, due to the tight sealing, the peculiar smell substances in the raw materials are also difficult to escape. Part of the valeric acid and low fat are still stored in the raw materials and soup. In the thermal reaction, harmful substances are generated.

Overheated drinks can cause cell death

The hot drink will make people feel more warm in the cold winter. However, drinking beverages with too high temperature will cause extensive skin and mucous membrane damage. The protein will begin to denature at 43 ℃, and the gastrointestinal mucus will produce irreversible degradation when it reaches 60 ℃. When it is above 47 ℃, all blood cells, cultured cells and transplanted organs will die, so do not drink overheated beverages frequently in winter.

Eating too many oranges is easy to catch fire

Orange is a kind of fruit with high heat content. If you eat it too much at one time, no matter adults or children, it will lead to 'burning', dry mouth and tongue, sore throat and other symptoms. Therefore, oranges should not be eaten too much. If they are 'on fire', 50g kelp can be used. After washing, they can be chopped up, fried water can replace tea, and 'fire can be removed'.

Eating pickled pickled vegetables can cause cancer

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