Can I eat black fungus that has a peculiar smell?

　　Can I eat black fungus that has a peculiar smell?

　　Do not eat black fungus that has a peculiar smell. This kind of black fungus may be made with alum or alkali. blister If it has been prepared and has a strange smell, it may be adulterated.

　　Good quality fungus is jet black with uniform color, while adulterated fungus is black gray with white alum or alkali attachment. High-quality fungus is curled and tightened, with thin leaves and no complete outline. Adulterated fungus contains a large amount of rice soup and sugar, and its shape is swollen, plump, less curled, and has a more complete edge. Good fungus is firm and tough, and is not easy to crush with your hands. Adulterated fungus is brittle and fragile. It will fall off when you break it slightly with your hands, and it will become soft in your mouth. High-quality fungus is pure and has no peculiar smell after being chewed slightly, and has a refreshing aroma, while adulterated fungus has a sweet or peculiar smell.