What's wrong with the black spots on cabbage? Are the black spots on cabbage poisonous?

What's wrong with the black spots on cabbage? Are the black spots on cabbage poisonous?

Cabbage is a common vegetable on the table and the most commonly grown vegetable. When handling cabbage, green vegetables and other leafy vegetables, there will be some black spots that cannot be washed off. What are these black spots? Will eating cabbage with black spots cause poisoning?

Why are there black spots on cabbage?

If it can be washed off with clean water, this kind of black spot is generally caused by vegetable worms, which may be insect feces, usually black powdery substances, which can be washed off with water and will not have a negative impact on the human body. This requires careful washing. In addition, it is not ruled out that it is some dirt.

If it cannot be washed off with clean water, this is a cabbage disease, scientifically known as black spot disease or sesame disease. Other green leafy vegetables will also have these small black spots, which are in the fiber of the vegetables. Generally, it is caused by improper use of fertilizers. Applying too much nitrogen fertilizer during the cultivation of Chinese cabbage will cause black spot disease, or problems such as lack of water, unsuitable climate or excessive nitrogen fertilizer during the growth of Chinese cabbage may lead to calcium deficiency and black spots.

Are the black spots on cabbage poisonous?

The black spot disease is actually caused by damage to the cell membrane of vegetables, which is a physiological disorder of vegetables and is affected by moisture, temperature and environment. It is not caused by pathogens, and even if the appearance of vegetables deteriorates, it does not affect their consumption.

So far, there has been no report that the small black spot disease may cause harm to human health, and no related cases have occurred in life, so it can be eaten with confidence.

If there are large black spots or rot on the surface of Chinese cabbage, it may be because the Chinese cabbage has black spot disease or soft rot during storage. This kind of cabbage must not be eaten. One is that this kind of vegetable tastes bad, and the other is that there are some toxins around the spots that are harmful to health.

How to cook cabbage quickly

1. When frying cabbage, cut the cabbage into thin slices to make it easier to heat. This way, the frying time in the pan is short and the cabbage is cooked quickly. You can choose to stir-fry cabbage with vinegar or stir-fry cabbage with meat slices according to your habits and preferences.

2. Mix Chinese cabbage heart with vermicelli and shredded pork. Cut the Chinese cabbage heart into thin strips and mix it with vermicelli and shredded pork. It is refreshing and delicious! It is more convenient to eat the cut cabbage directly without processing.

3. Frozen cabbage with dip in sauce. Freeze the cabbage in the refrigerator. When you want to eat it, take it out and blanch it in boiling water. Dip it in egg sauce or meat sauce. It tastes great.

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