7 facts about eggs you did not know before

Egg remains an essential component of the human diet since the dawn of history, rich in vital nutrients and can be prepared in countless ways. Here are seven facts about eggs that you did not know about, according to the US Business Insider website:

1 - The color of the egg shell depends on the external strain of chicken that you set, chicken with white feathers, usually white eggs. The chicken with red feathers, usually puts brown eggs.

2 - the color of egg yolk depends on the diet of the chicken, if the color is dark and yellowish, it means that the chicken was eating vegetables. If the color is light, it indicates that it was eating a diet containing wheat and barley.

3 - the age of the chicken affects the size of the egg, the more the age of the hen put eggs larger in size.

4- The eggs come to the stores with a label "for sale before" a specific date, and does not write the date of validity, you can keep the eggs for up to three to four weeks, after the date written on the carton packaging.

Five eggs contain the equivalent of the amount of cholesterol recommended per day. An egg contains about 186 mg of cholesterol. The US Department of Agriculture recommends that the amount of cholesterol we eat per day is 300 mg.

6. Eating eggs helps to overcome bad moods and fights tiredness, because it contains a combination of omega-3 fatty acids, zinc, B vitamins and iodide.

Cholines in the egg also help improve your memory.

7. For the best result of boiled eggs, use eggs, which are at least 10 days old, harder to peel fresh eggs than others.