Duck eggs, how to identify fake duck eggs? According to quality supervision experts, artificial "duck eggs", "eggs" shell is made of calcium carbonate, but also contains a small amount of gypsum. The main components of the egg white and yolk are resin, starch, coagulant, coloring and other chemicals. No nutrition, long-term consumption of harmful to the human body, may cause memory loss, dementia and so on. Recognize fake "duck eggs", you can start from the following aspects. Fake eggs, duck eggs, eggshell color than the real eggs a little brighter, but not too obvious. Touching the shell of a fake egg with your hand, you will feel rougher than a real egg. There will be a ringing sound when shaking the fake egg. Soon after the fake egg is opened, the yolk and white will melt together. When frying an egg, the yolk naturally spreads out without stirring.