Galactosyltransferase from bovine milk is widely used in biochemical research and industrial applications. It plays a crucial role in the synthesis of complex carbohydrates and glycoconjugates, which are essential for studying cell-surface interactions and glycobiology. In the food industry, it is utilized to modify lactose and produce prebiotic compounds that enhance gut health. Additionally, this enzyme is employed in the pharmaceutical sector to develop glycoprotein-based drugs and vaccines, improving their efficacy and stability. Its application in biotechnology also includes the production of bioactive molecules for diagnostic and therapeutic purposes.