The chemistry

Recently, about 3 years ago, a trend began to trade in products with an expiration date close to expiration.
The direction that food consumption is being driven, tends to have a quick saturation. The tension between chemistry and price, increasing over time, tends to lie.

Here we are with a chemical process in a substance that will be absorbed by the organism that feeds on this substance.

And this trend seems to be uncontrollable, since many consumers consider that the possibility of buying these substances is a salvation.