1. Cannot eat: Tea tree mushrooms have been stored for a long time of three years, which will generally cause water loss, and will also lead to the loss of volatile oil in the tea tree mushrooms. And during long-term storage, it is not ruled out that there is bacterial and fungal contamination, which will destroy the nutritional content of tea tree mushrooms and lead to a reduction in nutrients. It may also become moldy and spoilage, and aflatoxins are prone to appear. Eating spoiled tea tree mushrooms may cause an inflammatory reaction in the gastrointestinal tract, and may also cause aflatoxin poisoning, leading to gastrointestinal distension, nausea, vomiting, diarrhea and other discomforts. In severe cases, it may even cause coma or shock. , so tea tree mushrooms cannot be eaten after being stored for three years;

2. Edible: If tea tree mushrooms are stored in a frozen environment, frozen in a lower temperature environment, and free of microbial contamination such as bacteria and fungi, The nutrients in tea tree mushrooms are well preserved, and there is no deterioration or corruption. They are still within the shelf life and can still be eaten in most cases.

3. It should be noted that the tea tree mushroom has been stored for three years. Due to the long storage time, you first need to smell it before eating to see if there is a sour smell. Secondly, you need to observe whether there is mildew, rot, etc. in appearance. If there are any abnormalities, they should be discarded in time and cannot be eaten again.