Natural food preservatives are compounds that are extracted from natural sources and are used to keep food items fresher longer. ... Natural food preservatives are compounds that are extracted from natural sources and are used to keep food items fresher longer. Customers who prefer minimally processed goods typically view natural preservatives as safer and more acceptable than synthetic ones, which may have long-term health repercussions.Salt (sodium chloride) is one of the most often utilized natural preservatives. Since ancient times, people have used salt to keep meats, fish, and other perishable goods fresh by removing moisture and establishing an environment that is unfriendly to bacteria and other microbes. In addition to its use in honey and syrups, sugar also serves as a preservative by binding water molecules, which prevents the growth of microorganisms.Natural acids, such lactic acid from fermented foods or citric acid from citrus fruits, work well as preservatives by lowering the pH of food and making it harder for bacteria to grow and survive. In order to preserve vegetables and dairy products, these acids are frequently utilized in pickling and fermenting procedures.Vitamin C (ascorbic acid) and vitamin E (tocopherol) are examples of natural antioxidants that are utilized to stop oxidative damage to fats and oils, which can cause rancidity. These antioxidants keep meals high in fat from spoiling too soon and preserve their flavor and nutritional value.In addition to being used for flavoring, herbs and spices have long been valued for their antibacterial qualities. Natural chemicals found in ingredients like garlic, rosemary, oregano, and cinnamon prevent the growth of germs and fungi, hence extending the shelf life of food.Strong antibacterial qualities make essential oils from plants, like tea tree, thyme, and clove, useful as natural preservatives in cosmetics, personal hygiene products, and some food applications.Customers who are looking for clean-label items free of artificial chemicals choose natural preservatives. They might not always offer the same degree of preservation against spoiling as synthetic substitutes, though, and their efficacy can vary. In order to guarantee food safety and quality, manufacturers frequently combine several natural preservatives or utilize other preservation strategies, such as packing techniques and modified atmospheres.In conclusion, natural food preservatives provide a more natural and safe substitute for artificial chemicals in the food storage process. Consumer adoption of natural preservatives is rising despite the fact that they may not always be as effective as synthetic ones due to worries about food production's sustainability and impact on health. The creation of novel natural preservatives holds potential for improving food supply safety and preservation as science and technology progress.