IFJ_02-2020_OSS_Spiber_Figure1 Ken Norberg April 20, 2020 256 Views Figure 1. Brewed Protein materials: protein fibers, films, plastics and other materials manufactured through Spiber’s proprietary fermentation (brewing) process. Photo courtesy of Spiber Figure 1. Brewed Protein materials: protein fibers, films, plastics and other materials manufactured through Spiber’s proprietary fermentation (brewing) process. Photo courtesy of Spiber