Drying, Salting, Pickling, Fermenting, Smoking, Freezing, Cooling, Sugaring...
Most methods involve taking water out of the food or inducing a concentration gradient to kill bacteria (by sucking water out of it). Others involve coating the food with some chemical that kills bacteria but is (relatively) safe for humans to consume.
Canning is a method of preserving food in which the food contents are processed and sealed in an airtight container.
Salting food is a method of preserving it.
He needed a method capable of preserving food to provide for his Army.
Sugar is a practical and economical method of food preservation and it achieves that by causing microbes to literally die of thirst.
Clarence Birdseye invented freezing food.. LOL :) I LOVE SHAY N TINA <3
why is there need for preserving food ? explain
enumerate the different methods in preserving food
It does not take the moisture out of food therefor not preserving it.
The traditional method for preserving capers in salt involves harvesting the capers, rinsing them, and then layering them with salt in a container. The salt draws out the moisture from the capers, preserving them and enhancing their flavor.
Mummification
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.
Curing isn't so much cooking as it is preserving. When food is cured it is usually packed in salt, sugar or a combination. Usually spices are included for flavor. The curing preserves the food.