Which nutrient is most likely to be affected by food processing and storage?
The nutrient value of food is almost always altered by the kind of processing it undergoes. Minerals and trace minerals are the only nutrients that are not affected by storage. You can cook or freeze them, they will stay the same as nutrients. However, this does not mean that the food you eat is not affected by cooking or freezing. Even though the mineral stays the same, cooking washes out some of the minerals, they move to the liquid you are cooking in. Careful cooking and storage will help retain the nutrients in your food.