Food Preservation And Security (How Helps In Food Security

Food Preservation-(How Helps in Food Security)
Food security usually defined as the availability of healthy and enough food for healthy life to all the people in all over the world at all the times at reasonable cost. The history of food preservation for its security is as old as the history of mankind; the best examples are the storage of food by ancient Egypt kings in great famines of the world. The Holy Quran also describes the preservation of food by the prophet Yousaf (A.S) in the famine. But today there is more need of food security due to increasing population. The population of world increases greatly so for constant healthy food supplying to whole world requires its proper preservation and handling.
Food preservation is the process

Most of the people preserve fruits and vegetables by drying and freezing for short period of time. Food can be preserved by using different methods, for example Refrigeration and freezing, canning, Dehydration, Freeze-drying, Pickling, Pasteurizing, Fermentation etc. not only at small scale but also at industrial level. At industrial level these methods are used to store food for longer time periods and mostly for storage to export food materials out of country to get more income and to improve economy of the country, but the basic theme of export is to provide the food to whole world. In this way these methods help in solving the major issue of the world regarding to food which is food security.
All of the food preservation processes work by slowing down the activity and growth of disease causing bacteria, or by killing the bacteria all together. They also slow down or stop the action of enzymes which can degrade the quality of the food. For preserving food we increase the temperature due to which water availability in food and pH of food decreases, due to the decreases of water contents and pH of food we can preserve it for a long

The filled jars in the kettle heated it for a specific period of time under a specific pressure (stated in pounds) that’s measured with a dial gauge on the pressure-canner cover. Use a pressure canner for processing vegetables and other low-acid foods, such as meat, poultry and fish.
Don’t confuse a pressure canner with pressure cooker, which is used to cook food quickly. A pressure cooker does not have the ability to preserve foods it only has the ability to cook food quickly.
Freezing of food: Freezing of food is the art of preparing, packing and storage of food in the freezer. We can store all type of food e.g. fruits, vegetables, meats, cakes, fish, and breads. When we buy food make sure it is absolutely fresh, store this food in the freezer quickly as possible at the proper frozen temperature. Proper packing and storage of food helps to prevents from any reduction in the quality of food. Sometimes due to the less supply of electricity, overfill of freezer, food become damage but damaged food does not hurt us it only makes the taste of food bad.
Here are three things which help to prevent from the damage of