What is one effective method of food preservation?

Freezing is an effective method of food preservation because it slows down the activity of enzymes that lead to spoilage, as well as inhibiting the growth of bacteria and other microorganisms. By lowering the temperature of food, freezing helps maintain its quality, flavor, and nutritional value for an extended period. Additionally, this method is versatile and can be used for a variety of food items, including fruits, vegetables, meats, and prepared meals. When foods are properly packaged and frozen, they can last for months or even years, making freezing a popular choice for both household and commercial food preservation.

Other methods mentioned, such as canning, while effective, have different processes and considerations, like the need for sterilization and could alter the texture and taste of the food. Deep frying, on the other hand, is a cooking technique rather than a preservation method, and boiling also typically involves cooking food rather than extending its shelf life. Therefore, freezing stands out as a reliable method for long-term food preservation.