Xylitol Production from Water Hyacinth (Eichhornia crassipes) by Candida tropicalis Y-27405

摘要

This is the study which reported the use of, Water hyacinth [Eichornia crassipes) for xylitol production. In this study a simple reliable and efficient hydrolysis by dilute acid hydrolysis using 2% (v/v) H2S04 was carried out at 121°C for 60 min. Theacid pretreatment was concentrated under vacuum using rotavapor and further detoxified using overtiming and subsequent activated charcoal treatment. The sugars achieved after concentration and detoxification (50±0.3g/l) was subjected to xylitol fermentation using Candida tropicalis Y-27405. A maximum xylitol concentration of 32.5g/l was obtained after 48 hr of fermentation, with a yield of 0.65gxylitol/g xylose and productivity of 0.67g/l/h.