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.
Drying is a method of food preservation that works by removing water from the food
food preservation is a preserved food
Yes. Drying is a form of food preservation.
Food preservation is a way to keep food edible and healthy.
a type of preservation of food
what are the raw materials in food preservation
I want to know about compartmentalization in food preservation technique
The food preservation may be sometimes a chemical process.
there is no food preservation on the pH scale?
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.
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.