Samples of eight batches of wood (mixture of hardwood and softwood) hydrolyzates ranging from 1.6 to 4.9 kg were supplied by Michigan Biotechnology Institute, Lansing, MI. Wood was hydrolyzed by dilute acid at various liquid to solid ratios and partially deacidified by electrodialysis (Datta, 1989). The chemical composition and characteristics of various batches of partially deacidified wood hydrolyzate samples are shown in Table 1. The wood hydrolyzate samples contained sugars such as glucose, xylose, arabinose, galactose, and mannose.