Acid hydrolysis casein peptone is widely used in microbiology and biotechnology as a nutrient source in culture media. It provides essential amino acids and peptides that support the growth of various microorganisms, including bacteria, yeast, and fungi. This makes it particularly valuable in laboratories for cultivating cells, producing vaccines, and conducting research on microbial physiology. Additionally, it is utilized in the production of enzymes, antibiotics, and other bioproducts due to its ability to enhance fermentation processes. Its consistent composition and digestibility also make it a preferred ingredient in industrial applications where reliable microbial growth is critical.