Lactic acid bacteria (LAB) are a diverse group of microorganisms primarily known for their pivotal role in food fermentation, enhancing the flavor, texture, and preservation of various food products. This review explores the industrial applications of LAB in food microbiology, emphasizing their significance in fermentation processes, probiotic development, and food preservation. LAB are integral to the production of fermented foods such as yogurt, cheese, sauerkraut, and kimchi, where they metabolize sugars to produce lactic acid, imparting unique sensory characteristics while inhibiting pathogenic bacteria. This acidification process not only enhances food safety but also contributes to improved shelf life. The probiotic potential of LAB is another critical aspect of their industrial application. Certain strains have demonstrated health benefits, including improved gut health, enhanced immune response, and reduced risk of gastrointestinal diseases. As consumer interest in functional foods rises, the incorporation of LAB into various food products has become increasingly prevalent, leading to the development of innovative probiotic formulations. Moreover, LAB possess antimicrobial properties that make them suitable as biopreservatives in food systems. This natural preservation approach aligns with the growing demand for clean label products, minimizing the use of synthetic preservatives. The review also addresses the challenges faced in industrial applications, such as strain selection, fermentation control, and scalability. Lactic acid bacteria enhance food safety, sensory qualities, and health benefits through probiotics. This review highlights their vital role in food microbiology, emphasizing ongoing research to optimize their applications for advancing food technology and meeting health-conscious consumer demands. The purpose of this review is to provide a comprehensive analysis of the industrial applications of lactic acid bacteria (LAB) in food microbiology. It aims to highlight their roles in fermentation, food preservation, probiotic development, and enhancement of food safety and quality. The review also seeks to explore recent advancements, challenges, and future prospects in the utilization of LAB to promote sustainable and innovative food processing solutions.
Adoh et al. (Fri,) studied this question.