A rancid smell is a smell that is akin to wet cardboard, oil paint, wood varnish or play dough.
Rancid means having an unpleasant smell or taste usually from chemical change or decomposition rancid butter rancid breath.
Rancid foods have the same look and texture as when they were purchased, but their smell and taste have changed.
The odor of rancid foods is akin to wet cardboard, oil paint, wood varnish or play dough.
Some people are offended by it and know to throw the product out, while others think that's just how the product normally smells.
To keep foods from going rancid you can do the following.
Adding antioxidants (substances which prevent oxidation) to food.
Storing food in airtight containers to slow the process of rancidification.
Refrigerating food also helps to slow down rancidification.
Replacing oxygen in the containers with another gas.
Some rancid food may be actually bad and unsafe to eat.
Although some rancid foods are okay to eat although it does not taste as good or smells bad.