1. Look, high-quality organic fungi are big and thin, with a black and smooth surface and a gray back. Adulterated auricularia auricula is thicker, and the pieces often stick together.

2, feel, good quality organic fungus is dry by hand, light weight. Adulterated fungus feels wet and heavy.

3, taste, good organic fungus taste, fragrant and tasteless, if it has a salty taste, it means that it has been soaked in salt water and gained weight to cheat money; Sweetness is mixed with syrup; It is very harmful to soak alum in astringent taste.