Chicken egg. Calorie, utility and uniqueness

A unique product - a chicken egg, calorie contentits average is 165 kcal. Why on average? Because the weight and size of the eggs are different, so the calorie content of the product is calculated at 100 grams. Protein and fat in the egg - 12% each. If the chickens get enough food and their diet is balanced, then the yolk forms a vitamin complex, and also includes other active components from the biological point of view.

Two fresh eggs a day can satisfythe daily requirement of a person with vitamin A and one quarter of the need for phosphorus and iron, and also enough riboflavin (B2), more than half of vitamin D. In addition to the fact that the egg has a low calorie content, it is also a unique product. Its uniqueness is not only that it is in the finished package, but also in nutritional value. The egg contains a set of 12 vitamins, including choline in an amount in which it no longer occurs in any of the foods.

Useful properties of fresh eggs

In the human body is fully absorbed anda chicken egg is digested. Its caloric content is not too high and, in addition, it is a sterile product before it is smashed by the chicken. After entering the air through a shell with a porous structure, microbes enter, which for several days (during the development of the embryo) are destroyed by an active natural antibiotic, called lysozyme, which is capable of destroying harmful bacteria.

How to determine the freshness of an egg

The most useful and most valuable is the fresh eggchicken. Caloric content is most effective, and digestion by the body is the most complete. In order to find out how fresh it is, pay attention to its appearance. Fresh shell has a matte surface, and the old one - shiny, having a bluish tinge. Fresh, it smells weak with lime. It should be borne in mind that the eggs are well absorbed by smells, they can not be stored next to the smelling products (for example, next to the fish).

At home, you can check whichthe freshness of the egg is chicken, the calorie content of which at this time is the highest. Check should be as follows: dilute 80 grams (a tablespoon with a slide) of salt per liter of water and dip it into salt water. If it lies completely on the bottom of the dishes, its freshness is no more than 7 days. If the angle of inclination is 45 degrees to the surface (one end is elevated), then its freshness is more than 10 days. When it is almost vertical, the "age" is 11 or more than 12 days. If in a solution of salt it floats, then it is 15 or 19 days. When the blunt end protrudes from the solution, it is older than 18 days.

How many calories are there in a chicken egg?

In the damp in 100 grams, 165 kilocalories. Its weight meets the standards, so they fall into categories. Small weighs from 34 to 50 grams (category three), the average weight is from 45 to 60 (category two) and large ones - from 55 to 70 (category one). Then comes the choice of weight from 65 to 80 grams and the highest category - from 75 and more.

All categories correspond to the marking: 3,2,1,0, B. They also differ in terms of implementation time. "D" is a dietary product, within a week it should be sold. Then the product goes to the category "C", which has the name of a canteen, which is sold for 25 days. At present, it is difficult to find a dietary product in stores, although its cost is almost twice as expensive as usual, in a dining room.

How to store fresh eggs

Eggs are most effectively stored whentemperature, close to the freezing of the contents, at -1 or -2.5C and humidity 85-88%. In such conditions, they can be stored for six months or more. The temperature of 0C does not stop the growth of bacteria capable of spoiling it.

The calorie content of the raw egg is 165 kcal per 100 grams. If it weighs less, then it is lower. The calorie content of roasted eggs, taking into account the butter of cream - 151, and boiled hard-boiled - 63, boiled - 75 kilocalories.