Nano silica is a type of nanomaterial that is composed of very small particles of silicon dioxide. Due to their small size, nano silica particles have unique properties that make them potentially useful in a variety of applications, including food preservation. When used in food, nano silica can act as an anti-caking agent, a carrier for flavors and nutrients, and a coating or packaging material to prevent spoilage. This study explores the potential of nano silica, a type of nanomaterial, to preserve food safety and security. The method involves the preparation of nano silica particles from a reliable commercial source and the characterization of these particles using techniques e.g., scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Nano silica has been shown to inhibit the growth of microorganisms and have antioxidant properties that can extend the shelf life of food. This study confirms that nano silica can help to preserve food safety and security by inhibiting the growth of bacteria and other microorganisms that can cause foodborne illness. Nano silica particles can penetrate the cell walls of microorganisms, disrupting their cellular processes. In addition, nano silica has been found to have antioxidant properties that can help to prevent the oxidation of fats and oils in food. This can help to extend the shelf life of foods that are prone to spoilage due to lipid oxidation, such as nuts, seeds, and oils.
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