Why Do Chip Bags Have So Much Air
Camila Farah
First the bag is sealed at the factory not where you bought it so it s the pressure difference between your new location and the factory that matters.
The results detailed in an infographic named both the most chip filled bag and the airiest one while disproving a big modern food myth. Second it doesn t take a lot of pressure difference to make a flimsy chip bag expand. Actually the answer is no. As i recall the bags were connected together forming a long tube.
As it turns out the air in snack bags isn t just. In conclusion potato chip bags contain unsatisfying amounts of air or nitrogen for that matter because it prevents the chips from breaking and serves the economic interests of the companies that produce them allowing them to sell less for more. This process is known as slack fill which is even thought to make chips taste better. I watched a potato chip facility making chips when i was young.
We have briefly answered the question why are potato chip bags filled with air but now it s time to break it down into more detail. Bacteria need oxygen to thrive and if all of the oxygen is removed it can t grow. Potato chips are purposely packaged with extra space to act as a cushion and keep them from being crushed during handling. What many of us have mistaken for atmospheric air in our chip is actually nitrogen.
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At some point a devi. These are the main reasons why bags of chips have nitrogen in them. In fact oxygen would cause the chips to go stale and oils to become rancid. With as many people that handle the bags and with as many times they are handled the presence of air prevents individual stockers from crushing the chips inside by there being more air since grasping the bag front to back would leave more space in between due to the tensile strength of the bag for the chips to remain in.
But it actually isn t oxygen that is taking up so much space in the bags it is nitrogen the gas that makes up 78 of the air we breathe. So why is there so much air in crisps.
Source : pinterest.com