Erysubin A is primarily used in research settings for its potential bioactive properties. It has shown inhibitory effects against certain fungal pathogens, making it a candidate of interest in the development of antifungal agents. Its structure supports interaction with cellular membranes and enzymes involved in fungal cell wall synthesis. Additionally, Erysubin A has been studied for its role in modulating oxidative stress responses in cellular models, suggesting possible applications in pharmaceuticals or as a biochemical tool in studying redox pathways. Due to its natural origin and specific activity, it is also explored in agricultural science for biocontrol applications against plant-pathogenic fungi.