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Method for extracting edible bran fiber from wheat bran

A dietary fiber and extraction method technology, which is applied in the field of dietary fiber extraction, can solve the problems of starch removal, incomplete fat removal, incomplete removal of phytic acid, etc., and achieve the effect of stable performance

Active Publication Date: 2005-01-05
青岛百乐麦食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantages of the existing technology are: (1) incomplete removal of phytic acid; (2) incomplete removal of starch and fat

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] This embodiment includes the following steps:

[0025] (1) Raw material selection: wheat bran;

[0026] (2) Cleaning to remove impurities: put the wheat bran in a clear water tank for cleaning to remove impurities in the wheat bran;

[0027] (3) High-temperature cooking: put the cleaned wheat bran into a high-pressure cooking pot, add water in a weight ratio of 1:2 of wheat bran:water, then seal and heat to 121° C., and heat for 10-20 minutes;

[0028] (4) Phytic acid removal: cool the mixed solution after high-temperature cooking to 50-60°C, then add water until the weight ratio of wheat bran (dried wheat bran in step (1)) to water is 1:5, use 5 -10 mol / L of sulfuric acid to adjust the pH value of the mixture to 5.0, and maintain it for 5-6 hours to fully decompose the phytic acid;

[0029] (5) Hydrolysis: maintain the temperature of the phytic acid-removing mixture at 60° C., adjust the pH value to 6.0 with NaOH, add 2% neutral protease by the total weight of the li...

Embodiment 2

[0038] In the present embodiment, from raw material selection to bleaching, neutralization process is identical with embodiment 1, and difference is that its follow-up process adopts following method:

[0039] Dehydration: Put the decolorized and rinsed wheat bran fiber into the centrifuge for high-speed centrifugal dehydration to obtain hydrated dietary fiber;

[0040] Drying: Put the preliminarily dehydrated dietary fiber into a tray, put it into a vacuum drying oven, and carry out vacuum drying under the condition of a vacuum degree of 0.06MPa, and the drying temperature is 70-80°C;

[0041] Pulverizing and sieving: the vacuum-dried dietary fiber is ultrafinely pulverized and sieved with a superfine pulverizer to reach more than 120 mesh;

[0042] Inspection and packaging: The fineness and color of the refined dietary fiber after ultrafine grinding are inspected, and then quantitative packaging is carried out.

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PUM

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Abstract

A process for preparing edible bran fibres from wheat bran includes such steps as washing wheat bran, removing impurities, high-temp steaming, removing humic acid, hydrolyzing, enzymolyzing, deactivating enzyme, bleaching, neutralizing, and packing.

Description

technical field [0001] The invention relates to a method for extracting dietary fiber, in particular to a method for extracting dietary fiber from wheat bran, that is, a method for converting wheat bran into dietary fiber through multiple functions. Background technique [0002] Dietary fiber is suitable for all kinds of foods such as flour products, health food, fiber-fortified food, medical food and functional sports drink. There are: [0003] (1) Strong water absorption and expansion, low heat energy, can prevent obesity; [0004] (2) It can stimulate gastrointestinal motility, prevent constipation and intestinal system diseases; [0005] (3) It can absorb organic substances in the body, lower serum cholesterol, and prevent coronary heart disease caused by coronary arteriosclerosis; [0006] (4) It can accelerate the excretion of toxic metal ions through ion exchange, and play a role in detoxification and lowering blood pressure; [0007] (5) Regulate glucose metaboli...

Claims

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Application Information

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IPC IPC(8): A23L3/08A23L33/21
Inventor 周宝忠冯来友孟庆项厉丽华杨彩云
Owner 青岛百乐麦食品有限公司
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