4. Conclusion
The present study demonstrated the utilization of the green seaweed U. fasciata as potential marine feedstock for bioethanol production. The ethanol yield and reducing sugar conversion efficiency achieved in this study was comparatively higher than those reported for both agarophytes and carrageenophytes. The vast oceans around the world can gainfully be utilized for production of marine macroalgal biomass as feedstock for chemicals and energy.Further, the seaweed farming in oceans not only helps to mitigate
the global warming and climate change but also spare the land for agriculture and forestry which are crucial for food security of the global population.