Food is a major source of energy for humans. According to the dietary guidelines of health experts, vegetables are rich in nutrients necessary for the human body such as vitamins, starch, sugar...
Adults are recommended to maintain a daily intake of about 300 - 500g of vegetables, and consistently eat fresh vegetables to help the body increase resistance.
There are many different ways to prepare vegetables such as stir-frying, steaming, boiling, salad dressing...
However, when it comes to eating vegetables, there are many different cooking methods such as stir-frying, steaming, boiling, salad dressing... Due to the characteristics of some vegetables, it is necessary to have a healthy, healthy preparation method.
Experts warn that the following 5 vegetables must be cooked before eating, otherwise we are eating poison.
1. Green beans
Green beans are a very popular vegetable in life. They are rich in nutrients and can be prepared in many different ways, but many people do not know that this is a highly toxic bean.
Because green beans contain hemagglutinin and saponin. These two toxins can be decomposed at high temperatures, when cooked thoroughly, they will not harm the human body after consumption.
Therefore, before eating green beans, remember to cook them thoroughly to avoid food poisoning.
2. Broccoli
Broccoli is rich in nutrients and is a vegetable that can prevent cancer.
Broccoli is rich in nutrients and is a vegetable that can prevent cancer.
However, broccoli can contain high levels of pesticide residues from the time it is grown to the time it is harvested.
If not cleaned, it will cause great harm to the human body. The safest way is to soak it in water before cooking and cook it before eating.
3. Bamboo shoots
Bamboo shoots contain a lot of glucid, this substance when combined with gastric juice can create an acid that can cause poisoning if eaten too much.
However, the poison in bamboo shoots will easily evaporate when cooked thoroughly.
Therefore, before cooking, it is recommended that people boil bamboo shoots in boiling water for about 10 minutes and open the lid while boiling to let the toxic substances escape with the steam.
4. Potatoes
Potatoes are one of the vegetables that need to be cooked thoroughly. Because if we eat raw potatoes, it can cause bloating and unwanted digestive effects. Because in vegetables, this food contains starch that hinders the digestive process.
Even more dangerous is when potatoes are stored for a long time in damp places, the toxin can cause food poisoning. If a potato has green spots, it is best to throw it away.
Potatoes are one of those vegetables that need to be cooked thoroughly.
5. Spinach
Spinach is also rich in iron and calcium. However, it should be noted that spinach also contains too much oxalic acid. When in the intestine, this acid will combine with calcium to form calcium oxalate.
Consuming large amounts of oxalic acid will cause digestive disorders in the human body, and also hinder the absorption of calcium.
Therefore, spinach must be cooked to remove some of the oxalic acid. When cooked, eating spinach will absorb more iron, calcium and magnesium.
Do these cooked vegetables left overnight cause cancer?
Many articles indicate that overnight vegetables produce carcinogens, this is due to the nitrite content in vegetables.
We all know that nitrite enters the human body and is converted into nitrosamine by the action of gastric acid and protein, and nitrosamine is a major carcinogen.
However, to reach the level of carcinogenicity, attention must be paid to the amount of consumption. According to relevant data, each time the body absorbs 500 mg of nitrate, it can cause poisoning or cancer risk.
Vegetables left overnight produce carcinogens, this is due to the nitrite content in vegetables.
However, under normal circumstances, the nitrite content of overnight dishes is much lower than this standard.
In addition, the harmful substances are insignificant, the human detoxification organs will help the body decompose and excrete them from the body within a certain period of time.
To comply with health safety principles, it is recommended that people eat fresh fruits and vegetables and eat as much as possible.
(Source: Sohu)
Source
Comment (0)