“…Sago bark waste, the outer part of the sago stem, is predominantly composed of sclereid cells. For every ton of sago flour produced, approximately 0.75 tons of sago bark is generated as solid waste [ 38 ]. Data from the Department of Statistics Malaysia indicated that in 2011, the sago-producing country produced around 52,000 tons of sago flour, a figure expected to rise with increased production.…”