1, adulterated. Mainly doped with duck gold, starch and flour.
2. identify. The gold inside the chicken is light, small, brittle and yellow, and the protrusion is obvious after sand ironing; The duck is golden, big, thick, hard and green, and it is not easy to swell after sand ironing. Fake products printed with cooked starch or flour are often mixed with real chicken's gizzard-membrane to cheat and sell. They are one size or two or three, and the color is like chicken gizzards. They are hard and heavy, and they rot easily in water.
Chinese Caterpillar Fungus
1, generally mixed with a wooden stick or iron wire. Some are mixed with a small amount of ground silkworm (Cordyceps sinensis) with similar shape and color.
2. identify. Pull the broken part of Cordyceps by hand to find its camouflage; Non-straight products have small powder, many fibers and thick skin.
scorpion
1, adulterated. In view of the processing characteristics, its adulteration is wet, there is too much salt, and the scorpion has duck stuffing such as metal or cement in its belly.
2. identify. You can directly see the humidity and salt, and you can also see the metal objects in the abdomen to see if the abdomen is uneven. If you pinch your abdomen hard with your hands, you can use magnetic adsorption to check.
Haijinsha
1, red mud powder.
2, the quality is smooth, the fire is shining, and there is a slight waterfall sound. The adulterated substance is heavy and slightly astringent, and it emits little or no light when burning, and there is no thermal sound. When it is stirred in water, it looks like mud.