, Volume 19, Issue 5, pp 407-409

Xylitol production from rice straw hemicellulose hydrolysate using different yeast strains

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Abstract

Thirty different yeast strains belonging to four different genera (Candida, Debaryomyces, Hansenula and Pichia) were evaluated for xylitol production in rice straw hemicellulose hydrolysate under two aeration levels. Candida guillier-mondii FTI-20037, C. mogii NRRL Y-17032, C. parapsilosis IZ-1710 and C. veronae IZ-945 produced xylitol from rice straw hemicellulose hydrolysate with high yields (>60%). The best performance was by C. mogii, which yielded 0.65 g xylitol/g at 0.40 g/l.h over 75 h.