White eggs, all the info

White eggs, all the info

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Thewhite eggsthey are produced by a local breed of hen, originally from the Tuscany Region, the so-calledLeghorn hen. The Leghorn hen, definedCommon Italian breed,has the particularity of producingeggswith a white shell.

Are there any differences between white eggs and brown eggs?

Yes, there are differences but these do not translate into different nutritional properties! Many argue that the white eggs are devoid of cholesterol or that have a smaller quantity than the classic ones brown eggs. Again, some argue that the white eggs they are fat free.

Such beliefs are erroneous as the nutritional properties of white and brown eggs are similar; probably these beliefs arose from the confusion between "egg white" and "white eggs". Egg white, also called pale or more properly "egg white", has a low calorie content compared to yolk, the yellow part that represents the "nucleus" of the egg cell.

Eggs, both white and brown, appear to be a balanced source of HDL and LDL cholesterol, therefore with little impact on cholesterol levels, as long as you don't overdo it.

The color of the egg shell is influenced only by genetic factors and has no importance on the nutritional properties of egg white and yolk! According to the farmers, Leghorn eggs eaten raw have a particular “almond” taste, even when cooked they can give different nuances to the palate; due to this organoleptic peculiarity, white eggs are on the market at a higher price than that of other types of eggs.

White eggs, why?

The color of the egg shell does not depend on the type of feeding of the hens, as is sometimes heard, but the determining factors are exclusively genetic and specific to each poultry breed.

There are several factors that determine the color of the egg shell, first of all we can say that the color of the egg shell depends on the breed of the hen. They don't just exist white eggs but also red eggs defined as "chocolate color".

Red eggs are produced by Marans hens, it is a breed of French origin. Differences in egg coloration can also occur in the same breed of hen. In fact, among the hens of the same breed that produce colored shell eggs there can be differences in intensity in the coloring. Even the same hen can produce eggs with different intensity of color.

Have you ever noticed that the inside of the egg shell is white even though the egg looks very colorful from the outside?

This is because the coloring of the shell occurs just before deposition, when the innermost layers of the shell have already formed. The oviduct is the channel that passes through the egg before being laid. In the terminal area of ​​the oviduct there are glands secreting lubricating factors so as to facilitate their deposition.

The composition of this lubricating factor can vary from hen to hen between different breeds (when there are differences in coloration) and between hens of the same breed (when there are differences in shade). It is precisely this lubricating liquid that influences the intensity of the final coloring of the external surface of theegg. This explains why the white eggs and colored eggs.

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