Contrary to wishful thinking, simply pumping the air out of an airtight plastic bag will not necessarily prolong the life expectancy of fresh meat whose shelf life you wish to extend. Meat, once exposed to air, begins to decompose immediately, a result of bacteria and fungi that was originally hosted by the animal itself. As the animal dies, so does its immune system, and the very air we breathe conspires to break down the meat we eat-unless proper processes and hygiene are utilized.
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What Vacuum Sealers Do For Your Meat