How Stuff Works: The science of food preservation

Capital (Annapolis) | May 25, 2008| | Copyright

Because food is so important to our survival, food preservation is one of the oldest technologies used by human beings. Even though we see and use many of these technologies every day, we often don't realize how interesting they are. So let's take a look at some of the food preservation technologies that you can find in your home today.

But first a quick word about why food spoils. The basic process is very simple: Bacteria invade the food and cause it to rot. Food preservation technology, therefore, comes in two different forms: Either the technology is trying to slow down the activity of ...

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