The lactic acid bacteria (LAB) are usually recognized as safe for consumption and comprise several genera with different technological and health-promoting potential for food applications, including probiotic characteristics. Their exopolysaccharides (EPS) have interesting film-forming properties and may be used to produce edible packaging, as a structural enhancer, a bioactive agent or probiotic carrier in edible films and coatings. In these days, there is a specific demand for food products with reduced addition of artificial additives and from renewable sources, and the LAB EPS meet these criteria with additional bioactive functions, like antioxidant and antimicrobial activities. This makes the LAB EPS good choices for the production of edible food packaging, which highlight the need of investing in this study area.

乳酸菌（LAB）通常被认为可以安全食用，并且包括几个属，在食品应用中具有不同的技术和健康促进潜力，包括益生菌特性。它们的胞外多糖（EPS）具有有趣的成膜特性，可用于生产可食用包装，作为可食用薄膜和涂料中的结构增强剂，生物活性剂或益生菌载体。如今，对食品的特殊需求是减少了人工添加剂和可再生资源的添加，而LAB EPS满足了这些标准，并具有额外的生物活性功能，例如抗氧化剂和抗菌活性。这使得LAB EPS成为生产可食用食品包装的理想选择，这凸显了对该研究领域进行投资的需要。