1, wild auricularia auricula:

(1) Wild Auricularia auricula is small, broken and thin, black and smooth, with a slightly gray back and elastic and fragrant flowers. High-quality auricularia auricula has good water absorption and expansibility.

(2) High-quality wild auricularia auricula is black and shiny, light in size, large in flowers, tender and thick in meat, free from impurities, mildew and woody in pedicle.

(3) The surface of high-quality wild auricularia auricula is curly and compact, the leaves are thin and have no complete outline, the black is smooth, the color is uniform, and one side is gray.

(4) High-quality wild auricularia auricula, hand-dried, with no graininess and rich and delicate taste.

(5) Wild Auricularia auricula is hard and tough, and it is not easy to crush or bite.

(6) Wild auricularia auricula is generally soaked in brown sugar and salt water, or sand is attached to wet auricularia auricula to increase its weight.

(7) The adulterated wild auricularia auricula is fragile and easy to break, and it will soon become soft when put into the mouth.

(8) The adulterated wild auricularia auricula has swollen appearance, thick flowers, complete edges and sticky ears.

2. Artificial fungi:

(1) High-quality artificial auricularia auricula, large and thin, with smooth black front and gray back. The adulterated black fungus is very thick, and the pieces often stick together.

(2) High-quality artificial auricularia auricula feels dry and light by hand, while adulterated auricularia auricula feels wet and heavy.