“…As the main afforestation tree species and the main material for industrial, agricultural, construction, and civil utilization, hundreds of millions of tons of P. massoniana sawdust is produced in China annually. While some sawdust is used as fuel, most of it is discarded (Lin et al 2004;Deng and Li 2009;Yang et al 2010;Liu 2015). The intercellular substance of the P. massoniana wood fiber contains a large amount of extractables, such as resin, tannin, polyphenols, and terpenes, which limit the application of P. massoniana sawdust (Zhang and Du 2017).…”