Biotin is a vitamin, the lack of which in people deteriorates the skin, hair falls out, and the nervous system suffers.
About 100 years ago, scientists conducted an interesting study on rats. They fed them with egg white powder and some other food. The rats went bald and died. They lacked biotin in their diet.
Later it became known that raw egg whites contain the so-called avidin, which binds biotin. One molecule of avidin firmly clings to itself four molecules of biotin and with ominous laughter pulls these unfortunate biotins into the bowels of our intestines. Where they all disappear together.
In general, avidin is more of an antibacterial agent. We have already agreed today that in egg white bacteria grow poorly. Maybe just because of avidin and something similar. This avidin blocks the vitamin by bacteria and the bacteria wastes away.
So there is a belief that if you eat a few raw eggs every day, then after a few months a lack of biotin will appear, hair will fall out and all that.
Indeed, there are several examples in history when someone there on a chicken farm ate a substandard raw egg and got sick.
Medical textbooks write that overuse of raw egg white leads to biotin deficiency. But usually textbooks don't write about whole, raw eggs.
On this occasion, bodybuilders were very indignant. They swore that they ate dozens of raw eggs a day and that they were doing well.
And now it's time to report that there is a lot of biotin in egg yolk. Have you caught the irony? The raw protein contains avidin, which will bind biotin from the yolk.
According to old data (forties of the last century), avidin from raw egg white binds all the biotin from egg yolk.
Modern advanced youth, who calculated the average content of avidin, disagrees with this case. and biotin in eggs, and it turned out that the harmful protein can bind no more than 30% of the useful vitamin from yolk. The inconsistency turns out.
In addition, the very first researchers from that year 1927 used the yolk of the same eggs as a lifesaver for rats.
In short, if you want to get yourself a biotin deficiency, then you need to eat just raw proteins. Several a day and several months in a row. With a whole egg, this number may not work. But if you are alcoholics, you may also be deficient in biotin from whole raw eggs.
Personally, after reading all this information, I went and boiled a couple of soft-boiled eggs. I wanted to.
The fact is that heating neutralizes the harmful effects of avidin. It loses its cunning structure and becomes unable to block the vitamin.
Boiling an egg white for 2 minutes is said to neutralize approximately 40% of the avidin. This is already good. Well, after 4 minutes, it is almost completely neutralized.
So there should not be much harm from soft-boiled eggs.
Biotin is found in liver, eggs, soy, nuts, and a bunch of different vegetables. Search the web for tables of its contents in foods and you will find that a varied diet will protect you from any avidin.
Have you heard any other stories about a raw egg?
