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Why is salt a good preservative?In: Science
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Salt is considered antibacterial because it restricts bacterial growth in many foods. It preserves foods by lowering the amount of "free" water molecules in foods. Bacteria need moisture in order to thrive, so without enough "free" water, they cannot grow well in foods that contain salt. - Brad.
First answer by ID1141178732. Last edit by ID1141178732. Question popularity: 17 [recommend question]
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