Preparation method of functional wheat bran
A wheat bran and functional technology, applied in the field of preparation of functional wheat bran, can solve the problems of multiple food safety hazards, large solvent consumption, complicated process, etc., and achieve the effect of improving the total antioxidant capacity
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Embodiment approach 1
[0012] Embodiment 1: Adjust the water content of the cleaned and plump Lumai 21 wheat to 16%, and let it stand at room temperature for 10 minutes; use a peeling-off type wheat peeling machine to remove 2% of the outer skin layer a of the wheat, and then continue peeling to obtain Bran component b which accounts for 8% of wheat grain; add 4mol / L sodium bicarbonate solution to the bran component b until the water content of the material is 24%, hydrolyze at 45°C for 36hr; dry the bran after alkali hydrolysis To 18% water content, the temperature of the three zones of the twin-screw extruder is 120, 140 and 160°C respectively, the screw speed is 100rpm, the extruded material is crushed to 120 mesh, and water is added to make a milk slurry with a concentration of 12%, and then lemon is added The pH was adjusted to 7.0 by acid, and the functional wheat bran product was obtained by spray drying. Compared with untreated bran component b, the available phenolic acid content of the fun...
Embodiment approach 2
[0013] Embodiment 2: Adjust the water content of the cleaned and plump Zinuo No. 1 wheat to 20%, and let it stand at room temperature for 8 minutes; use a wiping-off type wheat peeling machine to remove 3% of the outer skin of the wheat, and then continue peeling to obtain Bran component b, which accounts for 6% of wheat grains; add 2mol / L sodium hydroxide solution to the bran component b until the water content of the material is 20%, hydrolyze at 60°C for 24hr; dry the alkali-hydrolyzed bran until The water content is 20%, the temperature of the three zones of the twin-screw extruder is 130, 150 and 170°C respectively, the screw speed is 200rpm, the extruded material is crushed to 100 mesh, added water to make a 30% whey slurry, and then added lactic acid to adjust the pH to 6.0, functional wheat bran products obtained by drum drying. Compared with untreated bran component b, the available phenolic acid content of the functional wheat bran product was increased by 5.7 times,...
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