Cabbage is the vegetable that people buy the most in the purchase of vegetables, especially in winter, people will buy in large quantities, cabbage stew tofu, cabbage soup, cabbage buns, cabbage dumplings and so on.
Cabbage is the most popular of all vegetables, according to the 2021 Food Market Survey: cabbage sales increased by about 21.2% throughout the year.
Nutritional value of cabbage
1. The nutritional value of cabbage is very rich, which contains more dietary fiber vitamin C content, which can promote gastrointestinal peristalsis and prevent dry stool and constipation.
2, cabbage also contains more VC content, such as eating more cabbage can enhance the resistance and immunity of the body, to prevent the emergence of cancer.
3, cabbage is also rich in calcium, whether it is the growth and development of children or the elderly, eat more cabbage, can promote the absorption of calcium in the body, to prevent the emergence of bone diseases.
4, cabbage also contains a certain amount of potassium, eat more cabbage, potassium ingestion into the human body can alleviate the body's fatigue and fatigue.
5, because the water content in cabbage is relatively large, eating more cabbage can promote its own metabolism and prevent subcutaneous fat accumulation.
6, cabbage has more vitamin C content and dietary fiber and more water, often eat some cabbage, can supplement the body's needs of water, to prevent the emergence of melanin precipitation.
Cabbage, why is it sprayed with formaldehyde?
Most of the vegetables need to be purchased from farmers and then brought into the wholesale market, in the process will go through 2 to 3 days, 4 to 5 days of transportation, and some even longer.
In the process of transportation, a large part of the vegetables will rot and deteriorate, affecting the number of sales and economic income, so the merchant has come up with a way to spray formaldehyde.
Formaldehyde has a strong bactericidal effect, while having a certain shelf life, prolonging the storage of food, but also allowing food fruits and vegetables to preserve the original freshness within a certain period of time.
Therefore, the merchant will spray formaldehyde on the cabbage in the process of acceptance, to prevent the evaporation of the water of the vegetables in the process of transportation, to avoid the rot of the cabbage, sprayed with formaldehyde of cabbage, generally after arriving at the destination will not appear rotten phenomenon.
——Formaldehyde cabbage, generally will have these 3 characteristics, remind the family: don't buy wrong
The first feature: the appearance is very fresh
Any vegetable in the process of growing, will be due to weather reasons, environmental reasons, transportation reasons will appear bumpy, the appearance will have a few rotten leaves, which is also a normal phenomenon.
But when you buy cabbage, you find that the cabbage is very fresh, and the appearance is smooth and tidy, without any bumps, and even the leaves are not rotten, you have to buy it carefully.
Sprayed formaldehyde cabbage, the appearance will be too fresh, a piece of rotten leaves do not have this vegetable does have a certain problem, it is recommended that you do not buy too fresh vegetables when buying.
Feature 2: Cabbage has black spots at the root
Have you ever noticed this when you buy vegetables? There are many small black dots at the root of the cabbage that you buy home, and there are such small black dots both from the inside and from the outside.
In fact, these small black spots are not brought with them when they are naturally grown, but the merchant sprays a certain amount of formaldehyde in order to prevent the rotting phenomenon of cabbage in the process of transportation.
In the process of transportation, the environmental ventilation and circulation are relatively poor, and it is easy to encounter black spots due to humid air and then encounter formaldehyde.
If you buy cabbage in your daily life and find that the cabbage root has many small black spots, you should be cautious about buying.
Third feature: Has a pungent taste
Although formaldehyde is colorless, but he has a certain odor, will have a significant irritating effect on the eyes and nose of the human body, many merchants do not master the strength when spraying formaldehyde, spray a little more, it will make cabbage carry a pungent taste.
When you buy cabbage, in addition to observing the appearance and characteristics of cabbage, you should also carefully smell the taste of cabbage, if it is a fragrant cabbage, you can buy it with confidence, if there is a strong pungent smell, it is recommended not to buy.
Can the cabbage sprayed with formaldehyde still be eaten?
Many people have such a question? Formaldehyde, is a strong irritating gas, not only has a certain harm to the human body, will damage the human respiratory organs and respiratory tract.
Can I still eat cabbage sprayed with formaldehyde?
Sprayed with formaldehyde cabbage is edible, although formaldehyde has a certain irritation and harm, but the sprayed formaldehyde is diluted formaldehyde, the merchant will not spray a large amount of formaldehyde to cabbage.
After increasing a large amount of formaldehyde, the vegetables will have a serious rot and rot, and it is impossible to keep fresh and put it at all, so the merchant will still dilute the formaldehyde when spraying formaldehyde.
Just spray formaldehyde on the surface of cabbage, this medicine is carefully cleaned after buying home, and then after high temperature cooking, it generally does not cause certain harm to the human body.
——How to clean the formaldehyde solution on vegetables?
1. Soak in salt
In addition to washing with water, you can also soak cabbage with edible salt, dissolve the edible salt in water, soak the cabbage in a basin, soak the cabbage for 5 to 6 minutes after fishing out, and then rinse repeatedly with water for 2 to 3 times, which can effectively alleviate the residue of formaldehyde solution.
2. Tao rice water cleaning
Use taomi water to clean cabbage, put in the taomi water needs to be over the cabbage, soak for about 10 minutes, repeated scrubbing, and then pour out the taomi water, and then put some water for repeated rinse.
3. High temperature removal method
For the scientific analysis of the removal of formaldehyde solution, it is best to maintain the temperature at 16 ° C to 18 ° C or above, you can put vegetables in the sun or use the microwave oven to heat the way to expose, about 5 to 8 minutes, can promote the dissolution of formaldehyde substances on the surface, and then use water to rinse.
4. Baking soda cleaning
After peeling off the cabbage piece by piece, put it into baking soda water for soaking, 5 to 6 minutes, then scrub back and forth, pour out the baking soda, and then connect a plate of water for back and forth scrubbing, and then rinse several times repeatedly, which can effectively alleviate the residue of formaldehyde solution on the cabbage. #爱乐养生 #