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5. Canned Salt and Saline Preserves
Salt itself does not spoil, and when used in canned preserves, it acts as a natural preservative by drawing moisture out of the food and creating an environment where bacteria cannot thrive. Saline solutions are commonly used in the canning of vegetables and meats.
Canned salt-preserved foods, such as pickles and olives, benefit from this preservation method, allowing them to maintain their flavor and texture over time. These items should be stored in a cool, dry place to ensure their longevity.
6. Canned Hardtack-Style Biscuits and Crackers
Hardtack, a simple, dense biscuit made from flour and water, has been a staple for sailors and soldiers for centuries due to its durability. When canned, these biscuits are protected from moisture and pests, allowing them to last indefinitely.
Similarly, certain types of crackers, when vacuum-sealed and canned, can also enjoy a long shelf life. These items are perfect for emergency food supplies, providing a reliable source of carbohydrates.
