Depends what it is if it is meat 6 hours if not in fridge and every thin else 5 days. Baby Jan
It was easy to preserve food such as corn for long a long period of time
water can not preserve food it attracts mold
One method could have been pickling the food.
On meat, salt can preserve food.
They stuffed the food with salt which would let it dry out and that's how they would preserve it.
well once you have cooked the food it is ready to it so there is no need to preserve it
To help preserve the food for a hard winter or for long trips.
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.
no.
Salt is used to preserve food along with adding taste.
Yes
salting