Polypeptone is widely used in microbiological culture media as a rich source of nitrogen and amino acids, supporting the growth of a broad range of microorganisms. It is particularly valuable in fermentation processes and in the production of antibiotics, vaccines, and other biopharmaceuticals. Due to its high digestibility and consistent composition, Polypeptone enhances cell growth and metabolic activity in both research and industrial applications. It is also employed in diagnostic media to aid in the identification of pathogenic organisms and in the development of probiotics and starter cultures for food and dairy industries.