Why Are Some Food Packages Bloated? The Surprising Difference Between a Normal Bag of Chips and a Potential Food Safety Warning.

That’s why a puffy snack bag isn’t something to panic about.

What About Vacuum-Sealed Foods?

Vacuum packaging works in almost the opposite-looking way.

Instead of leaving a large cushion of gas around the food, much of the air is removed before the package is sealed.

You may see this with meats, cheeses, coffee, and other foods.

The reduced-oxygen environment can help preserve certain foods and slow oxidation, but it doesn’t make food immune to spoilage or eliminate the need for proper refrigeration.

This is especially important with vacuum-packed foods because some microorganisms can grow under low-oxygen conditions.

So don’t use