Tryptone was identified as its best
nitrogen source. PHB content and production reached 58.5% and 9.32 g/L, respectively, for an overall OPEFB
sugar concentration of 45 g/L. These respectively reached 51.6% and 12.48 g/L for OPEFB hydrolysate
containing 60 g/L sugar with a productivity of 0.260 g/L/h.