Whether it is at home or eating out, it is common to eat the rest. Some people think that if leftovers are eaten again, they will not be wasted. Others oppose that if leftovers cannot be eaten, they will cause cancer. What is better for health? Song Xin, dietitian of Beijing Chaoyang Hospital, is the chief of the Department of Nutrition and Food Safety at China Agricultural University. He explains how leftovers can not be eaten.

剩菜剩饭

in principle

Leftovers do not leave cold dishes

When eating leftovers, people often worry about losing nutrition and unfavorable health. From these two aspects, vegetarian vegetables are not as safe as leeks.

It is well-known that leftovers often have an excessive amount of nitrite. Nitrite itself is poisonous and meets proteins in the stomach and produces carcinogenic nitrosamines. According to statistics, 80% of the human body's intake of nitrite comes from vegetables. If the vegetables are prepared at a higher temperature, the nitrite content will increase as time goes by.

In addition, nutrients in vegetables are more likely to be lost. This is because there are usually as many as tens of nutrients in a food, and water-soluble vitamins such as vitamins C and E are more afraid of heat. The nutritional value of vegetables is precisely reflected in the rich vitamins, so the reheated vegetarian vegetables, serious nutritional losses.

There are also some foods that are not afraid of heat, such as calcium, iron and other minerals. These nutrients are usually ingested by leeks, such as fish, so the heat does not cause serious nutritional losses.

Therefore, no matter from the point of view of nutrition or safety, try not to eat leftover vegetables. In addition, it should be reminded that cold dishes are best left alone, regardless of meat and vegetables, because if they are not heated, the bacteria will not be easily killed, and it will easily lead to discomfort such as diarrhea.

store

Covered with fresh-keeping film cool refrigerator

Leftovers are not absolutely unacceptable, and special attention must be paid to preservation conditions. After cooling, immediately put in the refrigerator.

Cooling and letting go is because hot food suddenly enters a low-temperature environment. The heat of food can cause condensation of water vapor, which promotes the growth of mold, which can lead to moldy food in the refrigerator. After cooling, you should put it into the refrigerator in time. Even in winter, don't put it outside for a long time, because the refrigerator has a certain antibacterial effect.

Different leftovers must be stored separately to avoid bacterial cross-contamination. Also need to use a clean container to seal storage, such as crisper, storage bag, or attach a layer of plastic wrap to the dish.

The leftovers should not be stored for a long time. It is best to eat within 5-6 hours. In general, heating at high temperatures for a few minutes can kill most pathogenic bacteria. If the food is stored for a long time, nitrite and aflatoxin are produced, and heating will not work.

Huiguo

Seafood put ginger garlic meat dishes add vinegar

In addition to reasonable storage, hot pot heating is also the key to health protection. The leftovers are stored in the refrigerator and must be boiled before eating. Because low temperatures can only inhibit bacterial growth, they cannot completely kill bacteria.

Different leftovers have different skills for heating: in the leftovers, the fish, shrimp, and crabs are the least resistant to bacteria. Even if they are stored at low temperatures, the resulting bacteria can be easily degenerated. Therefore, it is best to add some wine, onions, ginger, garlic and other seasonings when heating, so that not only can provide fresh, but also has a certain bactericidal effect, can prevent gastrointestinal discomfort caused.

Compared with seafood and vegetables, meat is less likely to produce carcinogens such as nitrite, but it must also be heat-dried. It is best to heat for more than 10 minutes, or microwave heating for more than 1 minute. When heated, add some vinegar. The meat is rich in minerals. When these minerals are heated, they overflow with moisture. When these substances meet acetic acid, they will synthesize calcium acetate, which is beneficial to human body's absorption and utilization.

Rice, taro, and other staple foods are best eaten on the second day, because starchy foods are prone to staphylococcus and aflatoxin. These harmful substances cannot be killed under the high temperature heating. So, if you haven’t eaten in two days, don’t eat it again even if it doesn’t seem to be deteriorating.

Renovation

Rice made of paste beef floss

When you eat at the top of your meal and eat it, there is no sense of freshness. Leftovers are often easily left. In order to be healthy, the next meal of the last meal must be finished, otherwise it must be thrown away. This requires full use of imagination, and the "leftovers" have changed.

Meat salad, cooking can be. The simplest method of dressing beef sauce, pork knuckle, etc., is salad dressing. Mix slices of meat with fresh vegetables and seasonings; stir-fried with vegetables such as carrots and celery. You can also chop up the sauce, mix it with green pepper and cilantro, and add it in the pancake to make it. If you have a child in your house, take the sauce and mash it up. Add salt, sugar, and soy sauce to fry the meat with a good meal.

Fried fish, often old and hard after heating, in fact, you can add color peppers, carrots and other re-brown, seasoned with soy sauce and sugar, it has become a new dish.

Steamed rice at home is much easier. In addition to fried rice and porridge, the leftovers can be broken, and tofu and eggs are used to make rice paste tofu. In addition, the rice can be stirred with potatoes, minced meat, etc. to make dry croquettes.

2 In 1 Combine Detector

We continually strive to maintain our unwavering reputation through our exceptional product quality and customer service. We not only offer a complete line of superior quality products, but also work with our customers to develop new formulas and address the burgeoning market. So, we get so many goods response from our global customers. Welcome your exlusive customization of OEM and ODM, we will grow together and create brillant with you.

Combo Detector,2 In 1 Combine Detector,Combo Smoke Co Alarm,Smoke Detector Carbon Monoxide Combo

Rictron Industrial Co., Ltd , https://www.szrictron.com