NYSTOSE CRYSTAL-CONTAINING POWDER

摘要

The objects of the present invention are to provide a novel nystose crystal-containing powder which has fluidity suitable for handling and shows a suppressed powder-blown-up phenomenon, and to provide a method for producing the same. According to the present invention, a nystose crystal-containing powder is provided, wherein: (a) the powder has a nystose content of 71 to 90 wt %; (b) the powder contains 0.2 to 18.6 wt % gluconic acid relative to a total weight of nystose crystals contained in the powder; and (c) the powder has a water content of 7-14 wt %. According to the present invention, there is also provided a method for producing a nystose crystal-containing powder of the present invention, comprising the steps of: (A) generating nystose by reacting sucrose with an enzyme solution containing β-fructofuranosidase and glucose oxidase; (B) converting glucose in the reaction mixture solution into gluconic acid by glucose oxidase; (C) adjusting a gluconic acid content in the solution obtained by steps (A) and (B) to 0.1 to 20 wt %; (D) obtaining nystose crystals from the solution obtained by step (C); and (E) adjusting a water content of the nystose crystals obtained by step (D).

主权项

1. A nystose crystal-containing powder, wherein:
the powder has a nystose content of 71 to 90 wt %; the powder comprises 0.2 to 18.6 wt % of gluconic acid relative to a total weight of nystose crystals contained in the powder; and the powder has a water content of 7 to 14 wt %.