Water doesn't necessarily preserve food. However, the canning process can preserve food. The boiling process can prevent any transfer of bacteria, fungus or microbes.
water can not preserve food it attracts mold
On meat, salt can preserve food.
One method could have been pickling the food.
That depends on the type of food. There are several ways to preserve food: Dehydrate the food (Food with less water will not likely spoil), Freeze Foods and add antimicrobial chemicals.
To preserve foods one must get 5 gallons of ocean water in a sanitary bucket. put the bucket of ocean water in the sun until all of the water has evaporated. Remove the salt from the bottom of the bucket and put in a airtight container. Keep repeating this until one has enough salt to pack around the food one wishes to preserve.
Practically all food contains some water, because the source of the food (plants, animals) was water-based organic life. It is possible to remove much of this water, often to preserve the food.
The opposite of preserve could be destroy or consume. The opposite of preserving food could be consuming and/or wasting it.
it is acidic so it would significantly retard bacteria growth. Using vinegar to preserve food is called pickling. It usually involves removing water from the food by soaking it in a brine (salt water) solution and then allowing the food to soak the vinegar back into it. Many foods can be pickled such as fish (herring) and cucumbers.
Yes, vacuum food sealers do help to keep food fresh and mould free, as they prevent air reaching the food. This hinders the growth of mould and prevents the transfer of water away from the food.
you could dry it out if it was meat or salt it also keep it refrigerated or freeze it
To safely preserve food using canning without a water bath, you can use the pressure canning method. This involves sealing the food in jars and processing them at high temperatures to kill bacteria and prevent spoilage. It is important to follow proper guidelines and instructions to ensure the safety of the canned food.
They stuffed the food with salt which would let it dry out and that's how they would preserve it.