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What are the ways of preserving foods?

Answer:

Adding carbon dioxide, decreasing oxygen. Bottling. Canning. Cooking in sugar, and storing. Curing. Drying. Freezing. Irradiating. Jellying. Pickling. Potting, and sealing with fat. Preserving in alcohol or syrup. Refrigerating. Salting. Smoking. Stewing, and jugging in brine or gravy. Vaccum-packing.

First answer by Ginezumi. Last edit by Ginezumi. Contributor trust: 903 [recommend contributor recommended]. Question popularity: 1 [recommend question].