Disadvantages:

1. Wild vegetables that need to be soaked. Some wild vegetables such as mountain spinach and mountain garlic are slightly poisonous. These wild vegetables must be soaked in clean water for more than two hours before cooking.

2. Do not eat wild vegetables that have been stored for a long time. Not only are wild vegetables that have been stored for a long time not fresh, but their nutritional content is greatly reduced and their taste is also very poor.

3. Wild vegetables that should not be eaten in excess. Bitter wild vegetables are bitter in taste and cool in nature. They have the effect of detoxifying and reducing fire, but excessive consumption will damage the spleen and stomach. Green vegetables, amaranth, etc. contain substances that can cause allergies. Exposure to sunlight after eating can induce solar dermatitis. Bracken contains carcinogens, and eating more is more harmful. Eating too much Artemisia can cause gastrointestinal bleeding.

4. Wild vegetables that should not be eaten cooked. Some wild vegetables should be eaten raw, such as endive, dandelion, etc. The best way to eat them is to wash them and eat them raw with dipping sauce. There are also some bitter wild vegetables, which are bitter yet sweet when eaten raw, refreshing and refreshing, but cannot be swallowed if cooked.

From a nutritional point of view, the vitamin content of most wild vegetables is higher than that of ordinary vegetables. The carotene content of dozens of wild vegetables, such as lettuce, goat's milk, and cypress, is much higher than the carrots and carrots we often eat. spinach. In addition, the dietary fiber content of wild vegetables is richer than that of ordinary vegetables. It has a good effect on removing pollutants in the body, treating constipation and preventing colon cancer.