Generally, you can eat it.
Bamboo fungus contains polysaccharides and other ingredients, when it is in contact with the air for a long time, it will react with oxygen and become yellow in color, which is a normal phenomenon and will not affect the quality and taste of bamboo fungus, so feel free to eat it.
However, if the yellowed bamboo fungus has mold, worms, blackness, odor, etc., then it should not be eaten anymore, otherwise it will affect your health.
But if the yellowish bamboo fungus still has moldy, black, and bad smell, then you can't eat it anymore, otherwise it will affect your health.
White spots on bamboo fungus is not moldy, but the coating of bamboo fungus. Generally, when fresh bamboo fungus is picked, the coating will fall off automatically, but some of them will have a small portion of the coating on it, so the color of bamboo fungus just baked is almost white, so it is not very visible, but when bamboo fungus is exposed to the air, it will oxidize and turn yellow, and then the white coating will be visible, so bamboo fungus is not moldy, and the white spots on bamboo fungus is not moldy. Therefore, if you find white spots on bamboo fungus, it is usually not caused by mold and can be consumed normally.
3 Is it normal for bamboo fungus to have a soapy flavorGenerally it is normal.
Generally, the cap and root part of bamboo fungus will emit a certain smell, which is similar to the smell of soap and laundry detergent, which is normal, but the smell is not very heavy, and it will be greatly reduced after cleaning, processing and cooking.
If the odor is still very heavy after processing, it is likely that the fungus is smoked with sulfur or added with additives, preservatives and other chemicals, and it is best not to continue to consume this kind of fungus.
4 How long can bamboo fungus be preserved? Fresh Bamboo FungusFresh bamboo fungus has a high content of water and sugar, and the preservation time is very short. It will start to rot in about 12 hours at room temperature; even if it is stored in the refrigerator, it can only be put in for about a week.
Dried Bamboo FungusThe storage time of dried bamboo fungus is relatively long, generally after sealing treatment, it can be stored for about 18 months; if it is stored properly, its preservation time may be longer.