1. After the bamboo fungus has been stored for a long time, it turns dark brown. This means that the bamboo fungus has become moldy and deteriorated. In this case, it is not recommended to eat it to avoid causing gastrointestinal discomfort.

2. After the bamboo fungus has been stored for some time, it is normal for the bamboo fungus to turn yellow and you can eat it with confidence. Under normal circumstances, the yellowing of the bamboo fungus is caused by the reaction between the polysaccharides in the bamboo fungus and the contact with oxygen. The appearance There are some changes, but the quality and taste will not be affected.

3. The white spots on the bamboo fungus are not moldy, but the coating of the bamboo fungus. When fresh bamboo fungus is picked, the coating will usually fall off automatically, but some will have a small part attached to it. The color of the bamboo fungus is almost white when it is freshly baked, but it will oxidize when exposed to air, and the color will become darker after oxidation. When it turns yellow, the white coating will show. Therefore, if you find white spots on the bamboo fungus you bought, please don’t worry. This type of bamboo fungus is edible.