Ustusolate E is primarily investigated for its potential bioactive properties, particularly in the field of pharmaceutical research. It has shown promising antimicrobial activity against certain Gram-positive bacteria, making it a candidate for development in anti-infective therapies. Additionally, studies suggest it may possess cytotoxic effects on specific cancer cell lines, indicating possible applications in oncology drug discovery. Its natural origin and unique molecular structure also make it of interest for use as a biochemical tool in studying cellular pathways and enzyme inhibition. Research is ongoing to explore its stability, derivatization, and formulation for potential therapeutic use.