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Coproduction method for preparing oat beta-glucan nutrition powder and dietary fiber micro-powder

A technology of dietary fiber and glucan, which is applied in the fields of food science, food ingredients, application, etc., achieves the effects of increasing added value, saving industrial water, and reducing processing costs

Inactive Publication Date: 2017-12-15
朱明达
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the problem of improving the comprehensive utilization and development of oat bran, the present invention pr

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0020] Example 1

[0021] 1. Pulverize oat bran into oat bran powder, and microwave the oat bran powder to inactivate enzymes;

[0022] 2. Mix oat bran powder and deionized water at a ratio of 1:10, adjust the pH value to about 9 with edible soda ash (sodium carbonate), extract at 40-50°C for 2 hours, filter with a 100-mesh filter cloth, and collect the filtrate;

[0023] 3. Centrifuge the filtrate at 4000rpm and then collect the filtrate, cool it to 20-30°C, filter it with a diatomaceous earth frame to obtain the filtrate, adjust the pH value to 4.0 with food-grade acetic acid or citric acid, stir and let it stand for 2 hours, then Then centrifuge at 10000rpm to obtain oat protein solid and filtrate;

[0024] 4. Add low-temperature α-amylase to the filtrate separated in step 3 according to the mass of 1%-1.5% of the raw material of oat bran, adjust the pH value to neutral with edible soda ash, stir for 1 hour and concentrate in vacuum until the material concentration is 40%...

Example Embodiment

[0027] Example 2

[0028] 1. Pulverize oat bran into oat bran powder, and microwave the oat bran powder to inactivate enzymes;

[0029] 2. Mix oat bran powder and deionized water at a ratio of 1:10, add low-temperature α-amylase according to the mass of 1%-1.5% of the oat bran raw material, extract at 40-50°C for 2 hours, and use a 100-mesh filter cloth Filter and collect the filtrate;

[0030] 3. The filtrate is vacuum-concentrated to a material concentration of 40%, and the concentrated solution is spray-dried to prepare oat β-glucan nutritional powder;

[0031] 4. The waste residue after the extraction of oat bran in step 2 is separated by a horizontal screw discharge centrifuge, and the separated supernatant is returned to the filtrate of step 3, and the separated oat slag precipitate is dried and ultrafinely pulverized , prepared into dietary fiber micropowder.

[0032] This embodiment can produce the main product oat β-glucan nutrition powder (containing oat protein) ...

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Abstract

The invention relates to a comprehensive utilization method of oat bran. The method utilizes a biological enzyme method and a micro-pulverizing method for carrying out deep processing on oat bran and carrying out coproduction of beta-glucan nutrition powder, dietary fiber micro-powder and oat protein, thereby providing a new production method for comprehensive utilization of the oat bran. The method comprises the following steps: firstly, pulverizing the oat bran, carrying out microwave enzyme deactivation, carrying out stirring in hot water, extraction and filtration, carrying out enzymolysis and isoelectric separation on the separated supernatant liquor to remove protein and then carrying out vacuum concentration, carrying out spray drying on the concentrated liquor to prepare the oat beta-glucan nutrition powder, drying precipitate obtained by carrying out centrifugal separation on waste residue obtained after extraction of the oat bran, and then carrying out ultramicro-pulverization to prepare the dietary fiber micro-powder.

Description

technical field [0001] The invention belongs to the field of food biotechnology, and relates to a deep processing technology of oat bran, specifically a technology for jointly producing oat β-glucan nutritional powder, dietary fiber micropowder and oat protein by using oat bran as a raw material through a biological enzyme method . Background technique [0002] As a miscellaneous grain crop, oat has high nutritional value. Compared with other grains, it has high protein, vitamins, mineral elements and dietary fiber and other nutrient indicators, and is nutritionally balanced. Modern research shows that oat is rich in protein. It ranks first among cereals, and the essential amino acid composition in oat protein is balanced, and its amino acid pattern is close to the amino acid standard pattern promulgated by FAO / WHO. In addition, oat bran is rich in soluble dietary fiber β-glucan and insoluble dietary fiber. The chemical name of β-glucan is (1-3)(1-4)-β-D-glucan, which is a ...

Claims

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Application Information

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IPC IPC(8): A23L33/00
CPCA23V2002/00A23V2250/5116
Inventor 朱明达
Owner 朱明达
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