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It is known as the "longevity vegetable" and is used by villagers in northern areas to feed pigs. Why is this so?

Nowadays, our living conditions are getting better and better. Even if you want to eat something that is not available in your area, you can still buy it on the Internet. But what we must talk about here is the food culture of South and North China. The difference in diversification between the two places is very obvious. In North China, beans, cucumbers, and eggplants are the most grown in summer, while in the South, fruits and vegetables are the most grown.

Nowadays, everyone is paying more and more attention to health issues. Since environmental pollution has been very serious in recent years, especially the haze problem, it is a big difficulty. In addition, many of the ingredients in today’s life have a certain degree of environmental pollution, especially the fruits and vegetables we eat in daily life are always sprayed with pesticides. Eating these fruits and vegetables will cause certain harm to our bodies. But now people are paying more and more attention to eating healthily.

Furthermore, farmers’ families rarely spray pesticides when growing vegetables. They are absolutely natural fruits and vegetables, which are not the envy of urban residents. Today The editor will introduce to you what is called "longevity vegetable" in Japan, but it is rarely taken in our country. Instead, it is used to raise pigs. Why is this?

Sweet potato leaves are relatively common in large farmers’ markets. The names are basically the same in southern and northern China, but residents in northern China rarely take them. Many people think that sweet potato leaves are not edible. It can be eaten, just the perfect sweet potato. The underground stems are mostly used to raise pigs.

In fact, the nutritional content of sweet potato leaves is relatively high. It is called "longevity vegetable" in Japan, and the consumption of sweet potato leaves is very common in the south. This difference between the north and the south is mainly due to Because the dietary structure is different.

However, the varieties of sweet potato leaves that can be drunk are still quite different in the southern and northern regions. The northern region is actually planting them to obtain sweet potatoes, while the sweet potato seedlings planted in the southern region are just to grow leaves and are difficult to grow and develop. It comes from sweet potatoes, that's why there is such a difference.

The value of sweet potato leaves: the content of vitamins, calcium, iron, and phosphorus is much higher than that of other vegetables and fruits, which shows the high level of nutritional content. In some areas in the south, it is available in any restaurant. this dish. Moreover, sweet potato leaves are also high in fiber and a variety of trace elements, which are very high in nutrients after digestion by the human body. In addition, sweet potato leaves grow very fast. You only need to pick the leaves. There are very few pests and diseases during the growth process. We all know that it is very safe to use.

Therefore, only in the south can we cultivate varieties specially used for drinking, and they have become common vegetables and fruits. However, those who use them more are residents in the south. Generally, residents in North China rarely use such vegetables. , we all know that it is useless no matter how high the nutritional content of the diet is to match the cultural differences. But this is acceptable, because vegetables and fruits eaten in North China are basically used for stuffing, and are rarely used directly for stew. Moreover, different vegetables have different tastes, and not everyone is the same. It's acceptable. We all know that people in North China rarely take it.

Compared with other common vegetable types in the market, sweet potato leaves are just a small category of vegetables and fruits. It is difficult to replace other vegetable types. The dietary structure, taste, etc. are all required Factors to consider, but there is still a certain market.

Nowadays is the peak growth period of sweet potato leaves. Curious friends can go to the sweet potato field to collect some young leaves and take them home to try frying them. You can also fry them with chili peppers to get more flavor. Some smell.