Coniferyl alcohol is a monolignol primarily involved in the biosynthesis of lignin, serving as a monomeric precursor for guaiacyl units in plant cell walls through oxidative polymerization. It plays a crucial role in plant structural development and biomass formation.

In research and industrial contexts, it is studied for applications in biofuel production, where genetic modification of its incorporation into lignin can lower lignin content, enhancing the enzymatic digestibility of biomass for bioethanol conversion. It is also utilized in lignin engineering to breed crops with improved pulping efficiency and forage digestibility.

Additionally, coniferyl alcohol demonstrates antioxidant and antimicrobial activities, supporting its exploration in pharmaceuticals, natural preservatives, and potentially in cosmetics for anti-inflammatory effects. It serves as a precursor in the synthesis of natural compounds like vanillin and bioactive phenylpropanoids for drug development.