Eggshell properties

Eggshell benefits

Eggshell powder helth benefits

Egg shell

Photo of eggshell membrane. Note how attached is to the shell

Eggshell powder, in very small amounts, is used in some parts of the world as a calcium supplement, since eggshell contains a lot of calcium as calcium carbonate (CaCO3)

How to make eggshell powder?

To prepare the eggshell powder follow this process:

  • Wash the eggs.
  • Open the eggs and remove the contents inside. This is intended to ovoproducts.
  • Ground and wash to remove the shell membranes.
  • Dry the shells
  • Pasteurize the shells
  • Ground them into a powder.

    Different colour eggs

    Eggs in the market with different color in the shell

What does eggshell contain?

Most of the eggshell powder is comprised of ashes. It also contains a few proteins, and minerals.

The following table shows the composition of eggshell powder

Eggshell powder properties

Eggshell powder, because it contains calcium, iron, phosphorus and magnesium, it is recommended in some countries for people who take little milk to avoid anomalies such as softening of the bones or osteoporosis , especially in older people and in women during menopause.

It has been proven that people who take this supplement have fewer fractures and less bone problems.

It is also recommended in the same conditions to young people to promote bone growth.

Remedies with homemade eggshell powder

Although there are some sources that mention the use of homemade eggshell powder, it is NOT recommended to produce this at home. At home you do not have adequate machinery to reduce eggshells to a powder so fine that it can not pose a risk to the stomach and intestine.

Crushed at home eggshells could be responsible for producing small lesions in the gastric mucosa.

Moreover, handling this food could cause contamination that would be responsible for serious infections.

Do not forget that eggs are the most important breeding ground for the development of such important pathogens such as salmonella.

Therefore, it is recommended to seek egg powder produced industrially from trusted brands. This component is commonly included as a supplement in other foods such as rice bars, candy, fruit juices, etc.

Composition of eggshell powder per 100 g.
Water0,5 g
Protein2,1 g
Ashes96,9 g
Calcium38 mg
Potassium41,6 mg
Sodium87 mg
Phosphorus99,3 mg
Iron0,5 mg
Magnesium375 mg

*Related information:

Eggshell characteristics

Eggshell decoration

Egg yolk

Egg white

punto rojo More information about eggs.

This article was endorsed by Elisenda Carballido - Dietitian nutritionist. Postgraduate in Phytotherapy and master in Nutrition and Metabolism.
Written by Editorial Botanical-online team in charge of content writing

29 September, 2022

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