Spring is the season to eat wild vegetables, go to the mountains and fields to trekking and picking wild vegetables, is a wonderful thing. This is the time of year when we can see a lot of dandelion, amaranth, bitter flaxseed, and the very lovely-looking fern, which takes on a curled-up shape.

When it's time to harvest wild greens, people usually eat more fiddlehead ferns, which have an aromatic, moist and crunchy flavor, and the irresistible fiddlehead ferns sold in restaurants are made from fiddlehead ferns. Many people are reluctant to eat fern, in which the more frightening, often eat fern will continue to have a risk of cancer.

After the fern feeding test on rats, a one-time a lot of edible fern or is often eat fern, it is difficult to do the level of carcinogens. If the amount of carcinogenic substances used in clinical trials is converted to human beings, then it is equivalent to a person who does not eat enough ferns of 350g~3.5kg.

And, has been constantly eaten within 20 years of time, it is likely to have a real danger to the body. And in the authority, it is emphasized that fern is a class 2B carcinogen, in which it is likely to be associated with harmful substances such as protofernin. The meaning of what is said is that no direct evidence has been established to confirm that it is carcinogenic to small animals and people, but do not have to eat too much at a time, just the amount of general consumption of vegetables and fruits can be.

Contrasted with the fern, will be more harmful to people's physical and mental health is a class 1 carcinogen, mainly including benzene propyl fluoride benzene, tobacco companies, ethanol, aflatoxin, this kind of all must be avoided by everyone. There is a bitter taste flavor. In which there are also more menacing proto-fern glycosides, but we do not need to worry too much, the nature of this substance is very unstable.

Eat fern before soaking: according to the soaking water, can reduce the harmful substances in the fern, everyone can put in baking soda. According to the relevant experiments found, with natural soda soak dip fern, can reduce harmful substances. Then blanch fiddleheads in boiling water, that way the fiddleheads will be safer to eat.

But the amount of eating fern: in order to safety considerations, if you like to eat fern, then it is proposed that you try not to exceed the amount of 200g per serving, the remaining amount of vegetables and fruits from other food intake. And dandelion flowers, horse tooth water pipe wild vegetables is also the same, do not consume too much, appropriate to eat is the safest.