1, can be overnight

But the hair of the silver fungus if placed too long, easy to breed bacteria, it is recommended to cook before eating.

2, will

will produce harmful substances nitrite, but the silver ear in the soaking process, nitrate will be diluted by the water, so even if it will produce nitrite, the content is also its less, will not cause harm to our body.

On the Internet, a popular saying on the "hair good silver fungus overnight can not be eaten" is that "the nitrate in the silver fungus will be reduced to nitrite, and nitrite is a toxic substance, there is a great risk of cancer".

In order to prove that the reporter from the market randomly purchased a bag of silver fungus, from which to take out two copies, one soaked and placed for 12 hours, another soaked and placed for 24 hours. Subsequently, the reporter will send two samples of silver fungus to the Beijing Physical and Chemical Analysis and Testing Center for nitrite testing, then overnight silver fungus really produces a large number of nitrites?

4 days later, the reporter got the test report, according to the provisions of the national food nitrite limit standards, vegetable foods in the nitrite content shall not exceed 4mg per kilogram, and the reporter got the test data show that, whether it is hair after 12 hours or hair after 24 hours of the silver fungus, the content of nitrite is less than 1mg per kilogram, are in line with safety standards.

And the inspector told reporters that according to industry standards, less than 1mg per kilogram can be regarded as not detected. Capital Medical University Affiliated Anzhen Hospital clinical dietitian Wu Xiaoling told reporters silver fungus does contain nitrates, hair after placing for a long time will indeed produce nitrites.

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