According to media reports, fresh Flammulina velutipes contains a toxic substance "colchicine", which has a great impact on the kidneys after people eat it. Li Yu said that this is because some media lack common sense and regard day lily (day lily) as Flammulina velutipes, because fresh day lily (day lily) does contain colchicine and must be dried before eating. Flammulina velutipes and Flammulina velutipes are two kinds of food, the former comes from fungi and the latter from plants.
Extended data:
Some edible fungi in the market will have growth bases in their roots. This kind of edible fungi will grow naturally in a suitable environment, whether it is alive or healthy. Flammulina velutipes is a low-temperature fruiting fungus, and its mycelium can grow in the range of 5-32℃. Mycelia is resistant to low temperature, but weak to high temperature, and stops growing or even dies above 34℃. But Flammulina velutipes grows vigorously at low temperature, especially when the temperature difference between day and night is large, which can stimulate its rapid growth.
Flammulina velutipes is a low-temperature edible fungus with strong cold tolerance, which is suitable for growing in the dark, humid and cold environment of 3- 10℃, which is exactly what the refrigerator provides. In addition, Flammulina velutipes usually uses plant leftovers such as rice bran, wheat bran and corncob as culture materials.
If the root of Flammulina velutipes bought by consumers still has culture materials (that is, nutrients for cultivating Flammulina velutipes), put them in the fresh-keeping room at 4℃-8℃ of the refrigerator, and the mushroom can continue to grow with the help of the nutrient base of the root, which is a normal phenomenon and can be safely eaten.
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