We are familiar of food processing and preservation as we eat processed food also preserves it for the future use. Food processing is basically transforming the agricultural products into food, as well as changing the form of a food to the other, making it attractive marketable products with good packaging, cleaning, grading and sorting. And food preservation is applying techniques to preserve food for future including freezing, canning, pickling, drying, irradiation, smoking, pasteurization and adding chemicals etc. We can’t preserve food for a long time without food preservation techniques which can cause food shortage in future. So preserving food is...