Grain powder and method of producing thereof

Abstract

The present disclosure relates to a method of producing a grain powder including: (a) immersing a grain raw material into water; (b) freezing the immersed grain raw material at −196° C. to −50° C.; (c) grinding the frozen grain raw material to obtain a ground product, wherein the ground product has an average particle size smaller than a cell size of the grain raw material, and (d) freeze-drying the ground product at −80° C. to −20° C. to obtain the grain powder.

Dependencies are inferred from the claim text.