Find out why egg yolk turns green once it’s boiled
Find out why egg yolk turns green once it’s boiled
The egg is one of the most complete foods that exist and is always present in our Mediterranean diet. The egg is suitable for numerous dishes, both hot and cold. Often when we prepare a hard-boiled egg, we notice an unusual color in the yolk . Have you ever seen the yolk of your hard-boiled egg turn green? Find out why it becomes this color.
Why does hard-boiled egg yolk turn green?
The main properties of eggs
Eggs offer many benefits to our body. In fact, it is a very nutritious and highly appreciated food. The egg is characterized by three fundamental elements: the outer part of the shell , the transparent part of the egg white and the yellow heart of the yolk . Typically, the egg white part contains numerous proteins and B vitamins , and is also rich in mineral salts such as sodium and potassium. The yolk, on the other hand, contains fats and mineral salts, such as iron, phosphorus, and more.
Eggs, as we have already mentioned, are very nutritious and represent a complete food . They are easily digestible and contain antioxidants, therefore, they slow down macular degeneration. Eggs also promote the functioning of the nervous system and the brain , so they are suitable for everyone. Of course, there are people like vegans who choose not to eat grapes, or other allergic people who cannot eat them. In general, eggs can be prepared in many different ways, for example, they are good scrambled, hard-boiled, soft-boiled, fried, etc.
We recommend that you always buy organic eggs from free-range hens that guarantee superior quality and maximum safety. You can keep eggs in the refrigerator and consume them to make delicious dishes. Obviously, try to eat them in moderation, limiting them to two or three times a week.
When you see green hard-boiled egg yolk it is due to a chemical reaction. This phenomenon occurs due to a reaction between the iron in the yolk and the hydrogen sulfide contained in the egg white . Typically, this reaction occurs during high-temperature cooking . Obviously, if the yolk turns green it is still edible and does not harm your health. In any case, you can prevent it from acquiring this color by trying to cook the eggs at moderate temperatures and over low heat. We recommend that you cook hard-boiled eggs for 8-9 minutes and put them in cold water immediately after.
So, if you want to preserve the appearance of your hard-boiled eggs, without risking the yolk inside turning green, follow these little tips.