How to Identify Fake Chicken Eggs

| April 24th, 2009


Not long ago people discovered fake chicken eggs being produced and sold in China. So if you are in China be very careful buying eggs, don’t buy the fake ones! This post from 39Net teaches you how to identify fake chicken eggs from the real ones.


Fake egg’s shell is made of calcium carbonate. Egg yolk and egg white are made of sodium alginate, alum, gelatin, eatable calcium chloride and then add water and food coloring. First pour a set amount of sodium alginate into warm water and mix it into egg white like shape, then mix it with gelatin together with benzoic acid, alum and other chemicals to make the egg white. Egg yolk is just adding lemon yellow food coloring. Together with calcium chloride to form egg mixture into the mold to produce the egg membrane. Egg shell is made of paraffin wax, gypsum powder, calcium carbonate and other materials.


Fake egg is full of chemicals, the main ingredient calcium alginate, at most is a gel. Alum, gelatin etc are only as additives, auxiliary agents. There are national standards on the use of additives; the amount of them is clearly defined. In the artificial eggs they have become the major components; they are not beneficial to the human body. Artificial egg has little or no nutrition value compare with the real egg.

Cooked fake egg


How to identify fake eggs: After opening the egg, egg white and egg yolk will soon mix together.

1. Fake egg’s shell is a little shinier than the real egg, but it is not very noticeable.

2. When touch the fake egg by hand, it feels a little rougher than the real egg.

3. Shake the fake egg will make some noises, because water overflows from the solid agent.

4. Real egg smells a little like raw meat.

5. Tap the egg lightly. Real egg makes a more crisp sound than the fake egg.

6. Shortly after opening the fake egg, egg yolk and egg white will melt together. This is because the egg yolk and egg white are made of the same raw materials.

7. When frying a fake egg, the yolk will spread without being touched.

20090424-fakeegg-06 20090424-fakeegg-07
Between real and fake

After opening the egg, egg white and egg yolk will soon mix together.

The following is the process of making fake eggs:


The production of raw materials

Mainly are sodium alginate aqueous solution of calcium chloride and other chemical materials

Let’s calculate: 1kg of real egg worth about 6.5 Yuan. 1kg of sodium alginate only cost about 42 Yuan can make 150kg of fake eggs, plus other costs, 1kg of fake egg only cost about 0.55 Yuan to make.


Use sodium alginate which has been soaked in aqueous, adjusting the concentration, stirring evenly. Soon it will look slightly white and transparent, and should have the same viscosity as the real egg white. This is the main part of the “egg”. Separate part of this liquid and add a small amount of lemon yellow food coloring, adjust the color depth to look like the color of egg yolk. This is now the prototype of the “egg yolk”.



Fix the “egg yolk”

Then, pure the liquid into egg yolk shaped container, and promptly add calcium chloride dissolved in water. The outside of “Egg yolk” rapidly solidify and form a layer of transparent material. After one minute, “egg yolk” is formed.


Pour “egg yolk” into “egg shell”

Put solidified artificial egg yolk into artificial egg white, the egg’s basic “content” is done.
Finally put “egg yolk” and “egg white” into “egg shell” made of calcium carbonate. After seal the opening, an “egg” produced by raw material and chemicals is done. The entire production is less than 5 minutes, which is much more efficient than waiting for a hen to lay an egg.

The following are some other information:

Raw materials and chemicals




Side effects and harms



Metabolism disorder

Benzoic acid


Harmful to brain, nerve cell. May cause liver dieses, senile dementia.

Calcium Chloride

Egg Shell

May cause nerve, liver dieses. May affect ability to produce blood.



Metabolism disorder



May cause nerve, liver dieses. May affect ability to produce blood.

Amino Acid


Metabolism disorder

Food coloring

“Egg yolk” color


Sodium alginate

“Egg white” and “egg yolk”



“Egg white” and “egg yolk”



Pour “egg yolk liquid” into the mold about 2/3 full, and put it into calcium chloride water. Shake it slightly so that egg yolk appears to have a thin layer of membrane. Soak the “egg yolk” in calcium chloride water for one hour, then wash it and dry it for later use.


Pour “egg white liquid” into the mold about 1/3 full, then put in the “egg yolk”, and add some more “egg white”. Put this into calcium chloride water again and shake it slightly. A whole egg without the shell will start to appear. Then let the “naked egg” harden for an hour, then wash it and dry it.


Put a sewing line through the “egg” and use it to dip the egg into liquid made of beeswax and calcium carbonate. Immerse and repeat several times, until a dry shell is formed then immerse it in cold water and pull the sewing line out. Now you put an “egg shell” coat on the “fake egg” and you are done.




I have learned the techniques of making artificial eggs in this company. The eggs we produced were exactly the same as the real eggs, and the fake eggs actually taste better than the real ones. Now I stopped working, on average we make over 1,000 artificial eggs, making over 100 Yuan a day. I made a fortune making artificial eggs. Many villagers also came to me for leaning my technique.


Frying a fake egg, will generate more bubbles but it looks more tasty than the real egg.


Varity of fake eggs, add brown and orange coloring, it turns into 100-year egg (preserved egg) immediately.


No matter how good the fake egg tastes, are the egg makers afraid one day they will eat one of their own fake eggs?


106 Comments | Leave a comment | Comment feed

  1. Sk Rijaul says:

    Thank you for awaring us. Thank You Again.

  2. geile frauen says:

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  3. mhadi says:

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  4. lisa says:

    I keep seeing the phrase “Chef’s Kitchen” being bandied about in real estate advertisements. Does that mean something in particular or is it just marketing hype? It seems like the threshold for equipment needed by a good chef to cook a nice meal is pretty low. It’s the ingredients in the food that makes the real difference.persian tea

  5. lisa says:

    Thanks for the great recipe Derek. Along with the chicken and sauce we made some Yucca fries that were a fantastic addition to the meal. Appreciate all your scientific analyses throughout the year, and the food ideas too.persian food

  6. expert says:

    Loving all your cupcakes this week, great ideas and they all look totally scrumptious x.persian food

  7. lisa says:

    Thank you for the recipe! I have been wanting to do this for so long and I promised myself that this will be the year I stop putting it off. I also liked that you made a smaller batch since I will be needing to do the same.Darren Wogman

  8. Very nice post with proper way. Tnx

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