What makes egg yolks black
Eight facts: Brown dot in the yolk: Should that have been a chick?
There are often many myths and half-truths surrounding eggs:What is the point in the egg yolk all about? What is the best way to store eggs? And can you freeze them?The most common questions and answers about the egg.
1. How should eggs be stored?
It is best to store eggs in the refrigerator's egg compartment with the pointed end facing down. Because this way the air chamber is on top and the eggs last longer. On the other hand, it can happen that the air bubble rises at some point, causing the membrane to detach and germs to penetrate.
2. The egg smells strange - is it bad?
If eggs taste or smell strange, a storage error is usually responsible. Because the shell quickly absorbs odors with over 8,000 pores. If eggs are stored in the refrigerator next to onions or spicy foods, for example, they not only take on the smell, but also taste different. By the way: You cannot smell a possible Salmonella infestation because the pathogens are odorless.
3. What does the brown dot in the egg yolk mean?
Don't worry: the dark inclusions in the egg yolk do not indicate a fertilized egg. Because that would require a rooster. But you will usually look in vain for this when keeping laying hens. Farmers refer to the brown spots in the egg yolk as blood or meat stains. These are small pieces of tissue. Because the egg formation can lead to abrasions and tiny bleeding in the fallopian tube. This happens more often to older hens than to young ones.
And what about eggs that come from a farm with a rooster? Even then, you don't run the risk of finding a chick embryo. In order for life to arise, the fertilized egg must be hatched. Since it is taken away from the hen in good time for sale, no chick can develop - even if the egg has already been fertilized.
4. Liquid egg white: is the egg still good?
Sometimes you crack an egg and the egg white runs apart. At other times it forms a stable, gelatinous mass. Does this allow conclusions to be drawn about the freshness of the egg? There are two reasons for the different consistency: the season and the freshness.
The egg white consists of over 80 percent water. If the hens drink more water in summer, it affects the egg. It becomes more fluid. But even with older eggs, the egg white spreads more clearly than with fresh ones. So that no spoiled egg ends up on the plate, you should keep an eye on the best before date or try the egg trick.
5. Can you freeze eggs?
Eggs can be frozen as long as they are raw and without a shell. They can be kept for around ten months at minus 18 degrees Celsius. Hard-boiled eggs, on the other hand, are not suitable for the freezer. The egg white then takes on a spongy consistency and tastes watery. Important: Freezing the egg does not kill salmonella. The germs only die during cooking or frying, i.e. at temperatures of over 70 degrees Celsius.
6. Do eggs need to be refrigerated?
Eggs: Tip down, keep them longer in the refrigerator. (Source: alimdi / imago images)
For the first 18 days after the egg is laid, it can be kept outside the refrigerator. During this period, the shell is protected from pathogens by the protein building block lysozyme. However, this protective layer must be undamaged. If the egg is washed or the shell is dirty, it will be lost. Since you have no way of knowing which route the egg has already taken, it is best to keep it in the refrigerator.
7. Why not eat eggs with a silver spoon?
Egg spoons are often made of plastic, mother-of-pearl or horn. There is a reason for this: if a silver spoon touches the egg yolk, a chemical reaction takes place. Hydrogen sulfide and silver sulfide are formed. As a result, the egg not only tastes bitter and metallic. The connection also ensures that the metal "tarnishes", i.e. turns black.
8. Are brown eggs healthier?
The color of the shell has nothing to do with keeping or feeding the hen. Whether the animal lays white or brown eggs depends on the breed. The brown color is caused by pigments formed in the peel gland. Hens that lay white eggs do not make these pigments.
White and brown eggs are the same in taste and quality. By the way: It is the chicken's "earlobe" that allows conclusions to be drawn about the color of the eggs. A white ear disc indicates white eggs, a red one indicates brown eggs.
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