Pteridium aquilinum, also known as longevity vegetable, is rich in dietary fiber and Pteridium aquilinum; Among them, bracken has anti-inflammatory effect and can clean up toxins in human body. Pteridium aquilinum contains protopterin, which is slightly toxic and easily soluble in water. Therefore, when eating, you should first blanch for 3 minutes, then blanch for more than 3 minutes, the bracken will become soft, and then soak it repeatedly for 2-3 hours. After blanching, it will be cooled with cold water and repeated several times, which can minimize the toxin.

Chinese toon

Toona sinensis can clear away heat and toxic materials, strengthen stomach and regulate qi, moisten skin and improve eyesight. Rich in nutrients such as protein, calcium and vitamin C, it ranks among the best in vegetables. The volatile substances contained in the unique fragrance of Toona sinensis can strengthen the spleen and stimulate appetite. Modern medicine and clinical experience show that Toona sinensis can protect liver, benefit lung, strengthen spleen, enrich blood and relax tendons; Xiangchun decoction has a certain inhibitory effect on pneumococcus, typhoid Bacillus and dysentery Bacillus. It should be reminded that although Toona sinensis is good, it will be poisoned if it is not eaten properly. Because the nitrite content of Toona sinensis is extremely high, the average nitrite content per kilogram of Toona sinensis buds is above 30 mg, and that of old leaves is as high as 55-60 mg per kilogram. After eating it, people are very prone to nitrite poisoning.

shepherd's purse

This kind of vegetable is mostly in the north, and it is the first wild vegetable that grows in spring. Shepherd's purse is common, but it is very beneficial to people's health. It is rich in trace elements such as protein, calcium, iron and phosphorus. For some women, shepherd's purse can also play an obvious role in anti-aging and promoting collagen production, so it is loved by many people and is called the king of wild vegetables in spring. The practice of shepherd's purse is also varied. Generally speaking, shepherd's purse is eaten on the third day of the third lunar month in the northern countryside.

Lycium barbarum leaves

Lycium barbarum leaves are very popular in southern China. Generally, fresh leaves and buds of Lycium barbarum are selected. This wild vegetable is rich in nutrition and delicious. It is generally used to make soup with seafood, which can remove the fishy smell of seafood and improve the delicacy of soup. Lycium barbarum leaf soup is a very healthy ingredient.