Freezing and thawing can destroy the cells, and this is not a processed used to preserve them. They can be preserved by cryopreservation by lowering the temperature to -196F.
it doesnt completely destroy them but there is not as many after you have frozen it
Fresh fruits and vegetables are not preserved as they are perishable items that deteriorate quickly without preservation methods like canning or freezing.
There are lots of food products that contain preservatives: nearly everything manufactured or processed has preservatives in them. Raw fruit and vegetables and fresh-caught fish have no preservatives. Butchers can sell you meats without preservatives.
The principles are to halt ripening, and prevent the growth of fungi and bacteria on the food. They are preserved by drying, canning, irradiating and freezing.
All fruits and vegetables can be preserved by canning.
It can be through freezing but there are fossils of faeces found
Meat can be preserved by drying, smoking, salting, freezing.
you cook them
it does not
If you overcook vegetables this can destroy the vitamins it contains.
amber tar and freezing