Our country is one with a long historyAgricultureHistoryof the country, among themVegetablesThe cultivation has reached amazing heights. There is a wild one among themVegetables, after thousands of years of consumptionHistory, has beenRuralIt is called a "life-saving dish". However, experts now refer to thisVegetablesDefined as "highly toxic."Vegetables”。It is the much-acclaimed "King of Wild Vegetables".Bracken。SoBrackenWhen did it first hit people's tables?How it becomes highly toxicVegetables？This article will take you through an in-depth understandingBrackenAt the same time, it will also be ** and analyzed for its toxicity.
As early as 2,000 years ago, ".Book of Songs", there is aboutBrackenof the record. It can be seen that it has been widely used as an ingredient in ancient times. According to theThe Classic of Mountains and Seasof the record. BrackenIt was also eaten as a kind of "good kudzu", and during the Tang Dynasty, it was listed as a tribute to the emperor. It can be said that in that era,BrackenIt is one of the wild vegetables that people love.
BrackenIt is a variant of the fern family European fern, and its excellent adaptability allows it to grow to a height of about 1 meter while growing naturally. It is widely distributed in the Yangtze River basin and northern regions, such as Hunan, Guizhou, Hebei, Liaoning and other places. Because of its wide range of growth and unique shape, it has been given the nickname "King of Wild Vegetables" or "Fist Vegetables". BrackenIt prefers to grow on sunny hillsides and has a high ability to adapt to moist and cool environments. It can withstand temperatures of up to more than 30 degrees Celsius, while also surviving temperatures as low as -35 degrees Celsius. Every spring, people will set foot in the mountains to pick fresh and refreshing foodBrackento turn it into a delicacy. Someone once said, "I haven't eaten it."Bracken, which is equivalent to not experiencing spring". This proves itBrackenIt used to be a "life-saving dish".
However, around the 60s of the last century, due to the limited fixed food**, people began to go to the wild to search for edible wild vegetables, which also madeBracken"Re-emergence" again. At the time, people would not only beBrackenThe young stems and leaves that are not fully unfolded are fried and eaten, and they will be usedBrackenUp to 35% 40% starch content in rhizomes, refined into various starch products, such as:BrackenVermicelli。In addition,BrackenIt is also rich in a variety of speciesVitaminsto improve the diet. At the same time,BrackenThe rhizomes also have the medicinal effects of clearing heat, dissolving phlegm, relaxing tendons and activating the nerves. These features make it:BrackenIt became a very popular wild vegetable at the time. However, since the beginning of the last century, about "BrackenToxic", ".Brackencarcinogenic" gradually spread, and some even claimed".Bracken100% carcinogenic". These statements have made a lot of people rightBrackenThere was a resistance mentality, and it began to resist graduallyBrackenof edible.
AboutBrackenThe idea of poison originated in Japan. In 1983, Japanese scientists were inBrackenA toxic substance called "protofernin" was found in . This substance was defined as a Group 2B carcinogen by the World Health Organization in 2011, and long-term consumption will increase the risk of stomach cancer, esophageal cancer and other diseases. Therefore,BrackenIt is recognized as a carcinogenic food worldwide.
However,Bracken"Protofernin" accounts for onlyBrackenOverall 01%~0.Around 6%. This means that a person needs to eat 1 7 catties a day for 20 years in a row before it can be affectedCancer。In addition, "protofernin" is water-soluble, after being washed with waterBrackenThe content in will decrease. During the cooking process, adding a little vinegar or salt can destroy the structure of "protofernin", effectively reducing the risk of cancer. Therefore, declare "Bracken100% carcinogenic" claims exaggerate the facts.
In summary,BrackenIt contains certain harmful substances, but after reasonable treatment, it is still a popular wild substanceVegetables。Just be careful when eatingBrackenAvoid excessive consumption to avoid physical discomfort. In addition, in the pickingBracken, to selectHealthof wild animals that have not been contaminated with chemical pesticidesBrackento ensure safety for consumption.
AlthoughBrackenIt is toxic, but it is safe within a reasonable consumption range. However, for certain groups of people,BrackenThere are contraindications for consumption.
Pregnant womenwithInfantsPregnant womenIt should be avoided in the early and second trimesters of pregnancyBracken, becauseBrackenIt contains high alkaloids, which may cause adverse effects on fetal development. InfantsBecause the digestive system is not fully developed, it cannot be digestedBrackenharmful substances in the country, so it should also be forbidden to eatBracken
2.Patients with gastrointestinal diseases:BrackenThe high content of cellulose in the intestines is easy to irritate the intestines, for those who sufferStomach ulcersChronic gastritis, people with gastrointestinal diseases such as poor gastrointestinal function, eat itBrackenMay cause worsening of symptoms.
3.People with allergies:BrackenIt is a plant-based food, and for some people, there may be an allergic reaction. If you have allergic symptoms such as itching and difficulty breathing, you should stop eating it immediatelyBrackenand seek medical attention**.
Special attention should be paid to the fact that thoughBrackenThere is a certain toxicity, but for normal people, it is safe to consume reasonably. Many scholars believe thatBrackenAs a traditionVegetablesAlthough it contains harmful substances, its consumption is relatively small, and the frequency of consumption is not high, and it will not cause obvious harm to the human body. Therefore, there is no need to panic too much, and you can decide whether to consume it according to your personal preference and physical conditionBracken
BrackenAs a wildVegetables, which has a long history of edibleHistory。It used to exist on people's tables as a "life-saving dish" and was widely loved. However, in recent years it is relevantBrackenClaims of virulence gradually circulated, leading to concerns about theBrackenThe consumption is taken with a grain of salt. In fact,BrackenAlthough it contains certain harmful substances, it is safe to eat within the scope of reason. ServeBrackenshould be paid attention to the appropriate amount and avoid excessive consumption. Different groups of people should pay attention to the taboos of bracken to avoid adverse reactions. After all, how to consumeBracken, or should the decision be based on a scientific attitude and based on the individual's physical condition.