FIELD: processes for extraction of valuable fractions from grits of cereals such as wheat, barley, oats, and from rice shells.
SUBSTANCE: method involves two-staged process including first stage of subjecting grits to enzymatic processing combined with wet milling process; centrifuging and exposing to ultrafiltration process for physical separation of main grits fractions, i.e., insoluble phase (pericarp and aleuronic layer), germ-enriched fraction, residual endosperm fraction and soluble saccharides; second stage including fractionation of cereal grits substantially free from soluble substances, i.e., insoluble phase produced at first stage through enzymatic processing by means of xylanazes and/or beta-glucans and wet milling; centrifuging and exposing to ultrafiltration for physical separation of basic fractions, i.e., insoluble phase (residual component of cellular walls), protein-enriched fraction, soluble hemi-cellulose and oligosaccharide.
EFFECT: increased extent of extraction of valuable components from cellular walls and aleuronic cells from preliminarily cleaned grits.
25 cl, 2 dwg, 3 tbl, 10 ex
