Patent ID: 7534458

Claim:
A process for producing rice flour, comprising: (a) soaking material rice grains in water; (b) crushing the soaked rice grains; (c) penetrating α,α-trehalose or maltitol into the crushed rice grains, by spraying an aqueous solution containing α,α-trehalose or maltitol in an amount of 3-20% (w/w) to the weight of said material raw rice grains, or by dredging a powdery α,α-trehalose or maltitol in an amount of 3-20% (w/w) to the weight of said material raw rice grains; (d) partially drying resulting rice grains containing α,α-trehalose or maltitol to give a moisture content of 14-25% (w/w); and (e) milling the partially dried rice grains to produce a rice flour.