Alkaline pretreatment and sequential enzymatic hydrolysis of soybean hull were investigated to obtain fermentable sugars for polyhydroxyalkanoates production along with residual glycerol as low-cost carbon sources. Soybean is composed approximately 32% cellulose, 12% hemicellulose, 6% lignin, 11% protein. was carried out 2% NaOH concentration, 10% (w/v) biomass loading, 60 min incubation time i...