Wondering Why?

Why do Rotten eggs smell?

Why do Rotten eggs smell?

Eggs are a very rich source of protein which is an important part of our diet. Eggs will always be part of every kitchen. However, once the egg spoils, it also ruins our appetite.

Fresh eggs don’t have that strong odor but once these rot, expect a very pungent smell which spreads around the kitchen. Rotten eggs smell because of the molds that accumulate in them. If the egg ages, the bacteria will break down the proteins in the egg specifically in its white part. When this happens, gas is created, and that gas is hydrogen sulfide.
Hydrogen sulfide is actually colorless but it is flammable. It is produced when waste materials break down. It is poisonous when the gas at its higher level is inhaled. Hydrogen sulfide has also a strong odor which can be compared with the rotten egg smell. It is harmful when eaten or inhaled because it results from a bacterial breakdown of any organic matter given off by human and animal wastes. In the case of eggs, it smells bad when rotten because it is already a waste, and it is not safe anymore to eat it.
If you don’t want to inhale the egg to find out if it is rotten, then there’s a safer way to find out if the egg is still edible to eat. All you need is to put the egg in the water. Once it floats, then it is already rotten and bad. If you are still in doubt, then you break the egg and you will be smelling an odor which you don’t want to inhale at all.
Aside from the bad smell, a rotten egg floats because it loses its moisture. This causes the air space in the egg to increase. Once the air space widens, then the buoyancy of the egg also increases.

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