Food preservative

A food preservative is a substance or chemical added to food products to prevent decomposition caused by microbial growth or undesirable chemical changes (FDA, 2023). These substances are generally categorized into antimicrobials, which inhibit the growth of bacteria, yeasts, and molds, and antioxidants, which slow the oxidation of fats and lipids (WHO, 2018). Common examples include sodium benzoate, sulfites, and nitrites, which are regulated by food safety authorities worldwide to ensure consumer safety and product stability. In the context of drug discovery and pharmacology, a 'Food preservative' is not a specific therapeutic target like a receptor, enzyme, or transporter; rather, it is a functional category of food additives or pharmaceutical excipients (PubChem, 2024). While certain preservatives are associated with safety concerns, such as hypersensitivity reactions, asthma exacerbation, or potential metabolic disruption, they are not the intended site of action for therapeutic agents (StatPearls, 2023). Therefore, this entry is classified as incorrect for a target-specific database because it identifies a broad chemical utility rather than a distinct biological molecule.

Other names

PreservativeAntimicrobial food additiveAntioxidant food additiveFood additive

Food preservatives function by inhibiting the growth of microorganisms or by slowing the oxidation of food constituents to prevent spoilage and maintain safety.