| abstract |
PROBLEM TO BE SOLVED: To provide a novel disaccharide compound having D-xylose and D-psicose as constituent sugars. A disaccharide compound having D-xylose and D-psicose as constituent sugars. Production of disaccharide compounds by separating or purifying disaccharide compounds from the reaction medium by allowing endo 1,4-β-D-xylanase to act on xylan or xylo-oligosaccharides (xylobiose or higher) in an aqueous medium in the presence of D-psicose Method. The endo 1,4-β-D-xylanase is a microorganism culture, microbial cells, processed microbial cells, crude enzyme solution or purified enzyme preparation. The above xylan is separated and purified from plant raw materials and / or is in the state of plants containing xylan such as wood, Inawara, wheat, corn cob meal. [Selection] Figure 2 |