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Because other things than people also like to eat it. Examples are fungi and bacteria. Preservatives suppress their growth making the food edible longer.
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∙ 12y ago
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How does heat preserve food from rotting?
well once you have cooked the food it is ready to it so there is no need to preserve it
Why do you need to preserve yak species?
For maintains the ecosystem and the food chain
How does water preserve food?
water can not preserve food it attracts mold
What are some conditions need to preserve food?
The best ways to preserve food are to: Freeze the food Boiling or blanch food at high temperatures Use alcohol, acid, and salt and sugar in high concentrations Exclude air Remove moisture
Why did the vikings need to preserve food?
Unless you have a steady supply of food all year round, you have to store food when you can get it to have something to eat when the food isn't growing.
How does drying preserve food?
because you need moisture to cause bacteria and if it is drying moisture wont get to it
Give you three reason why do people need food?
Two reasons for canning foods are to preserve the food, and to make the food easier (less bulky) to store.
Does water preserve foods?
On meat, salt can preserve food.
How did peasants preserve their food?
They stuffed the food with salt which would let it dry out and that's how they would preserve it.
Could water preserve food?
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.
Does honey preserve food?
no.
What helps to preserve food and adds flavor?
Salt is used to preserve food along with adding taste.
