There are many ways to preserve food like putting it in the fridge that slow down the bacteria process,by proper packaging the germs will not enter the food,by drying food etc
packaging preserves fresh food by keeping it air type.
They stuffed the food with salt which would let it dry out and that's how they would preserve it.
The right answer is to never ever ever buy dry sea food. That's just not smart at all.
Vacuum packaging preserves food better than some other methods because it removes the oxygen from the packaging; without oxygen, bacteria and mold cannot survive.
You can smoke or dry food to store it.
They would salt or dry out their food. PS. I'm ten and I know
you could dry it out if it was meat or salt it also keep it refrigerated or freeze it
Some food packaging is filled with noble gases, like nitrogen or argon, to help preserve freshness and extend shelf life. These gases are inert, meaning they do not react with the food, preventing oxidation and spoilage. By displacing oxygen in the packaging, noble gases help inhibit the growth of aerobic bacteria and mold, thus maintaining the quality and safety of the food.
Oxygen absorbers typically start working immediately upon contact with air, removing oxygen from the packaging to help preserve food freshness. The effectiveness of oxygen absorbers can vary depending on factors such as the type of food and packaging used.
Eggs are typically coated with a thin layer of mineral oil or food-grade wax such as paraffin to help seal the eggshell and preserve freshness during the packaging process.
Aluminium foil is highly effective for food packaging as it helps preserve freshness by blocking out light, oxygen, and moisture. It also acts as a barrier against contamination, such as bacteria and odors, making it a popular choice for storing and transporting food.
Aluminum foil is highly effective for food packaging as it helps preserve freshness by blocking out light, oxygen, and moisture. It also acts as a barrier against contamination, such as bacteria and odors, making it a popular choice for storing and transporting food.