Flammulina velutipes containing formaldehyde can be distinguished from its taste and color. Flammulina velutipes containing formaldehyde generally has a heavy taste and a white color. When the concentration of formaldehyde is low, the human body cannot perceive it, but when the concentration is high, it will stimulate people's eyes and nose.

For more information on how to identify Flammulina velutipes with formaldehyde, please visit:/ask/6de17a1615833966.html? Zd view more content