Food preservatives are chemicals that are added to foods and beverages, to preserve them. They prevent decay from occurring either by microbial development or by unwanted chemical changes. Preservatives can either be obtained from natural sources or be manufactured synthetically.…
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…
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…
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 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, 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.…
What Is Pickling? Pickling is a method of food preservation that involves the use of vinegar and brine. It is also known as brining. Almost similar to salting though it is a wet method as a food is dipped into…
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…
Food preservation involves the process that ensures the safe handling of food for future consumption by preventing its decay. It aims to enhance the shelf-life of food for use when in limited supply by preventing or slowing decomposition. Causes of…
The link between mental health and nutrition is rather complex. Certainly, mental health disorder causes are multi-factorial ranging from trauma, biological factors, genetics, abuse etc, but does nutrition and the food you eat impact your mental health in any way?…
