Can eating fiddleheads cause cancer?

April 20, 2023
The fern has the name of "king of mountain vegetables" and is a very famous wild vegetable, the crisp and smooth taste and its green pollution-free makes many people very enthusiastic about fern, but the Internet also began to circulate the fern carcinogenic this statement, eating fern will cause cancer?

Can eating fiddleheads cause cancer?

There is a risk of cancer. The saying that fiddleheads are carcinogenic has been widely spread among the people, and there are many articles on the internet saying that eating fiddleheads is 100% carcinogenic, after a series of animal feeding experiments and research studies have shown that fiddleheads contain carcinogenic substances, but it cannot be said for sure that people will be carcinogenic if they eat fiddleheads.

Ferns increase the incidence of cancer

As early as more than 100 years ago, people found that eating more fern cows back to milk poisoning or even death; and in the 1970s, Japan's central Nakayama area survey also showed that eating fern will make the incidence of esophageal cancer increased by more than 2 times; Britain's North Wales region, the high incidence of stomach cancer, a "case-control" study in 1990 also In 1990, a "case-control" study also showed that eating fern in early childhood would increase the incidence of stomach cancer.

Ferns contain Class 2B carcinogens

The main reason why fiddleheads are considered to be carcinogenic food is a substance called protoferanoside in fiddleheads, which is rated as a 2B carcinogen by World Cancer Prevention. There is limited evidence of carcinogenicity for humans.

Blanch fiddleheads to reduce carcinogenic content

Fresh fiddleheads are bitter and astringent, so treating them with blanching water or grass ash and alkaline water before eating can remove the bitterness and astringency of fiddleheads, and also reduce the content of proto-fern glycosides to some extent, but cannot eliminate them completely.

It is good to eat less fiddleheads

Although the carcinogenicity of fern is undetermined, but in life we still have to control the frequency of eating fern as well as the amount of eating fern, eat less fern and balance the diet; the situation of fern is the same as the nature of bacon barbecue, with the risk of cancer, but it can be properly eaten, not a large amount of long-term consumption.
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