Preserved foods are items that have been treated to prevent spoilage and extend their shelf life. Common methods of preservation include canning, freezing, drying, and pickling. These techniques help maintain the food's flavor, texture, and nutritional value while making it safe for long-term storage. Many cultures around the world have traditional preserved foods, such as kimchi in Korea and jerky in the United States. These foods not only provide convenience but also allow people to enjoy seasonal ingredients year-round. Preserved foods can be found in grocery stores and are often used in cooking and meal preparation.