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Three types of micro organisms affect food: bacteria, moulds and yeasts. By a natural chain of events, these micro organisms will cause food to change - often, but not always, making food "bad" or unpalatable
The air around us is permeated with hungry microorganisms that feed on anything that doesn't move fast enough, including us, and the foods we eat. As soon as your food is cooked (and I'm assuming...
Food placed in cans can be sterilized, but cannot be made sterile without destroying most nutrition.
Cans can be refrigerated (as long as there is no condensation), or irradiated for additional...