What is food prevention ? explain any two method of food preservation ?

Food prevention is to stop or slow down the spoilage of food,

loss of quality and edibility of food for longer time.

METHODS OF FOOD PRESERVATION

CANNING: this involves cooking the food in special oil or paste and packing it in air tight cans under strict hygiene.REFRIGERATION: this involves storing the food at a temperature below 0°c. This renders bacteria and other decay causing agents inactive