by packed in air tight container.
away from light.
fiushed in nitrogen gas &packed them in container
enumerate the different methods in preserving food
The 2 methods of food preservation is refrigeration and canning
Salting, Pickling etc
Pasteurization
Some alternative methods for preserving food without a pressure cooker include water bath canning, pickling, fermenting, drying, and freezing. These methods can help extend the shelf life of food by inhibiting the growth of bacteria and other microorganisms.
Please study your text book. There are many methods or curing , or preserving, food.
Methods of preserving food include smoking and drying. Canning is another common method of food preservation. Pickling is one of the oldest forms of food preservation.
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because food is so important to survival foo preservation is one of the oldost methods.
why is there need for preserving food ? explain
Freeze drying fruit is different from other methods of preserving fruit because it involves freezing the fruit and then removing the water content through a process called sublimation, which helps retain the fruit's original shape, color, and flavor better than other methods like canning or drying.
It does not take the moisture out of food therefor not preserving it.