Phrymarolin B is a natural compound primarily studied for its antifungal properties, particularly against plant pathogens. It has shown effectiveness in inhibiting the growth of certain fungi that affect crops, making it a potential candidate for use in agricultural protection. Its natural origin and targeted activity support its development as a bio-based fungicide, offering an environmentally friendly alternative to synthetic chemicals. Research also suggests it may play a role in plant defense mechanisms, contributing to the resilience of the producing organisms against microbial attacks.