Microbial Strains in Fermented Dairy: Unlocking Biofunctional Properties and Health Benefits

Fermented dairy products like yoghurt, cheese, and kefir are essential for human nutrition and health. They offer a wide range of biofunctional properties, providing unique flavors along with substantial nutritional and therapeutic benefits. The inclusion of functional microorganisms, including probiotics, in dairy products offers a nutrient-dense matrix that promotes microbial viability, ensuring health advantages. This review explores the impact of microbial strains on the biofunctional properties of fermented dairy products, focusing on their contributions to gut and cardiovascular health, cancer risk reduction, bone density enhancement, weight management, and diabetes control. Special emphasis is placed on fermentation processes involving lactic acid bacteria, particularly their roles in safety assurance and preservation of product quality. This review emphasizes the antimicrobial, hypocholesterolemic, and antioxidant effects of cultured dairy products, highlighting their ability to improve bioavailability and health outcomes. In conclusion, fermented dairy products possess exceptional biofunctional properties that promote human health. To maximize their therapeutic potential for various medical conditions, further research into fermentation methods, microbial strains, and the underlying mechanisms is essential.