I haven't done research on the subject, but I would think both drying out food was an early perservative as well as the use of salt.
Salt is considered one of the oldest known food additives, with a history of being used for preservation and flavoring for thousands of years.
Drying is a method of food preservation that works by removing water from the food
Yes. Drying is a form of food preservation.
food preservation is a preserved food
Food preservation is a way to keep food edible and healthy.
what are the raw materials in food preservation
You cann food to remove the oxygen and moisture needed for gorwth of bacteria. this is a form of preservation, additives are also added. You cann food by adding the preservatives and i think it is a form of factory vacum packing in a can.
The food preservation may be sometimes a chemical process.
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.
additvisand preservatives used food preparation
Food preservation is important because it helps save money. When food spoils, it is a waste of money for the family.
Tools and Equpment for Food Preservation.The tools and equipment that use in food preservation is "UTENSILS"...