Concept:All foods spoil if not stored properly.Different kinds of food items spoil due to different reasons.Some foods spoil soon, some stay good for long. Food preservation is the technique to prevent food spoilage, food poisoning, and microbial contamination in food.?Explanation:Objectives of food preservation:To minimize food spoilage and food poisoning.To prevent microbial contamination.To kill pathogens.To store it for a longer time and keep it fresh.To make it available throughout the year.To retain its flavour for a longer time.Food preservation methods:Pickling:Salt and extra edible oils are two main preservatives that are used in pickling.It prevents microbial growth.Example: Raw mango to mango pickle.Drying:It is the process of removal of water from food.It is the simplest method and prevents food spoilage by removing water.Example: Potato to chips.Cooling:Cooling at very low temperatures prevents microbial growth.Microbes do not get the optimum temperature they need for growth, their growth is inhibited.Example: Fresh peas to frozen peas.Sugaring:Sugar is a good moisture absorbent.By reducing moisture content, restrains microbial growth.Example: Apple to apple jam.Salting: Preservation by salt is known as salting.Salting helps to preserve fruits for the long term.Example: Salting of meats and fish.Adding chemicals:Adding synthetic preservatives like vinegar, sodium benzoate, sodium metabisulphite, etc.Other methods:Sterilization, radiation, smoking etc.The best technique would be the best way to preserve the cheese and bring it to India:Canning: - Not picked as heat destroy cheeseCanning, the process of placing foods in jars or cans and heating them properly to a specified temperature, is a way to preserve many different foods.The high heat destroys microorganisms and inactivates enzymes to preserve the safety and quality of the food.Dehydrating and salting also damage the cheese's taste and quality So the perfect method for cheese preservation is Vaccum packing.