1. Do not blanch the fern before eating
Fern contains substances that are toxic to the human body. After picking, it should be soaked in plant ash or alkaline water quickly, which can not only preserve the fern to the greatest extent The nutrients in vegetables can also reduce the content of protofern, thereby reducing the incidence of poisoning caused by eating bracken. Moreover, before eating fresh bracken, you need to blanch it with boiling water as much as possible, and then filter the water several times to remove the nutrients contained in it. It is safest to eat only when the toxic ingredients are reduced to a minimum.
2. Avoid eating old bracken
Only eat fresh bracken. If the bracken is old, you can’t eat it anymore. If you eat it, because aged bracken contains high levels of toxic ingredients, eating it may cause food poisoning. You should eat the bracken as soon as possible after picking it to prevent the plant from aging and hardening, which will affect the taste. If you can’t finish it, it is recommended to dry it in the sun. , for future consumption.
3. Avoid eating more
Bracken contains more dietary fiber and other nutrients. If eaten in moderation, it can relieve constipation, clear away heat and detoxify. Eating too much will irritate the gastrointestinal tract and cause diarrhea, abdominal pain and other discomforts. It is recommended to eat 100 grams at a time and avoid frequent excessive consumption.
4. Contraindications
Bracken is cold in nature. People with cold spleen and stomach should not eat too much bracken, otherwise its cold nature will irritate the spleen and stomach, leading to aggravation of symptoms of spleen deficiency, such as: lukewarm hands and feet, faint stomach pain, little food and indigestion, loose stools, etc.