Residual waste | Route used for xylitol production | Conditions | Xylitol productivity (g/g) | Microorganism used | Reference |
---|---|---|---|---|---|
Sugarcane straw | Biotechnological | NS (Aerobic condition, initial OD 0.5) | 0.91 | S. cerevisiae FMYX | [115] |
Sugarcane bagasse | Biotechnological | Acid pretreatment (H2SO4, 121 °C, 20 min) 1.50) | 1.50 | Candida tropicalis | [116] |
Brewer's spent grain (BSG) and grape stalks 70,877 | Biotechnological | Acid pretreatment [3% (w/w) H2SO4, 121 °C, 1 bar] | BSG hydrolysate = 0.56 Grape stalks = 0.25 | Komagataella pastoris DSM 70877 | [117] |
Olive stones | Biotechnological | Aqueous extraction (to extract solids) (130 °C, 90 min) | 0.38 | Candida boidinii | [114] |
Banana leave | Biotechnological | H2SO4 2.5%; 121 °C; 30minpH adjustment; Activated carbon; 200 rpm; 55 °C; 60 min Candida tropicalis; 30 °C; 200 rpm; 60 h | 0.186 | Candida tropicalis | [118] |
Corn biomass (corn bran) | Chemical | Acid pretreatment (72% H2SO4, 30 °C, 1.5 h) 0.79 – | 0.79 | –- | [119] |