Month February 2024

Canning Food Preservation

Canning is the process of subjecting foods to thermal sterilization and hermetically sealing them into containers, jars or cans. The foods are heated at the required temperature ranges to preserve them. Various foods including meat-poultry, fish etc, and vegetables can…

Heat Preservation Methods

Heating /thermal treatment is a process of food preservation that uses heat to preserve a food. Heat is applied to a food with the aim of destroying micro-organisms and denaturing enzymes that are responsible for spoilage. The high temperatures utilized…

Irradiation-Food Preservation Method

Food irradiation is yet another method of preservation that involves the exposure of food to ionizing radiation using high-energy radiation with small wavelengths of approximately 200 nanometres or high-speed electron beams. The main radiation sources applied for food irradiation (are…

Freezing Food Preservation

Freezing is a method of food preservation that involves the lowering of temperatures to delay food spoilage. The freezing method extends the shelf life of a food by inactivating enzyme activity and microorganism activity. When lowering temperatures, you can either…

Drying Food Preservation Methods And Examples

Drying, particularly sun-drying, is among the oldest methods of food preservation utilized by the human species. It works by reducing moisture content in a food through the process of heating, which in turn destroys microorganisms including yeast, bacteria and mould.…

Salting: Food Preservation Method

Salting is the method of preserving food with the use of salt (sodium chloride or edible salt). It is a traditional food preservation method that has been used long since. This method preserves a food by lowering water content and…