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Production technology of extracting oat starch and oat protein powder from oat

A technology of oat protein and protein powder, which is applied in the direction of hydrolytic enzymes, etc., can solve the problems of high cost of enzymatic methods, and achieve the effects of low gluten content, reduced gluten content, and reduced crushing

Inactive Publication Date: 2010-06-23
山西金绿禾燕麦研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a method for extracting oat starch from oat, extracting oat starch from oat, Production technology of oat protein powder

Method used

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  • Production technology of extracting oat starch and oat protein powder from oat
  • Production technology of extracting oat starch and oat protein powder from oat

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A kind of production technology of oat starch, oat protein powder,

[0031] Include the following steps:

[0032] 1. Oat kernels are obtained by grinding oats; the grinding rate is 13%.

[0033] 2. Soak oat kernels, the conditions are pH=9, solid-liquid ratio 1:5, time 1.8h, room temperature.

[0034] 3. Grind the soaked oat kernels; adjust the pH of the ground slurry to 9-10, stir for 30 minutes, and then filter with an 80-mesh sieve to remove cellulose and other materials.

[0035] 4. Centrifugal separation to obtain oat starch and oat protein liquid; through centrifugal separation, the filtered slurry material is divided into supernatant (protein liquid) and sediment (starch slurry), and the LXJ-II desktop centrifuge is used for separation. 3000r / min, time 15min.

[0036] 5. The purification of oat starch adopts alkaline protease, the ratio of enzyme to substrate is 48ΔU / Kg, the temperature is 40°C, the mass ratio of material to water is 1:6-8, pH=8-9, and the tim...

Embodiment 2

[0041] Step is with embodiment 1

[0042] In step 1, the peeling rate was 18%. In step 2, the conditions are pH=10, the ratio of material to liquid is 1:7, and the time is 1.5h. In step 3, the pH value of the ground slurry is adjusted to be 10, and the stirring time is 30-60min, and then a 100-mesh sieve is used. Filtration to filter out materials such as cellulose. In step 5, the ratio of enzyme to substrate is 60ΔU / Kg, the temperature is 50°C, the mass ratio of material to water is 1:8, pH=8-9, and the time is 60 minutes. In step 6, the drying temperature is 40° C., in step 7, the ratio of enzyme to substrate is 55 U / g, pH=6, the temperature is 40° C., and the time is 20 minutes.

Embodiment 3

[0044] Step is with embodiment 1

[0045] In step 1, the peeling rate is 15-16%. In step 2, the conditions are pH=9.5, the ratio of solid to liquid is 1:6, and the time is 2h. In step 3, the pH value of the ground slurry is adjusted to be 9-10, and the stirring time is 45min, and then filtered with a 90-mesh sieve , to filter out materials such as cellulose, in step 5, the ratio of enzyme to substrate is 48ΔU / Kg, the temperature is 45°C, the mass ratio of material to water is 1:7, pH=8~9, and the time is 40 minutes. In step 6, the drying temperature is 35° C., in step 7, the ratio of enzyme to substrate is 60 U / g, pH=5.5, the temperature is 35° C., and the time is 30 minutes.

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Abstract

The present invention relates to oat deeply processing technology, and is especially production process of extracting oat starch and oat protein powder from oat. The production process includes the following steps: milling oat to eliminate oat bran and obtain oat kernel, soaking oat kernel, grinding milk, centrifugally separating to obtain coarse oat starch and oat protein liquid, purifying and drying coarse oat starch to obtain oat starch, purifying, concentrating and spray drying oat protein liquid to obtain oat protein powder. The present invention provides reasonable way for developing oat resource and utilizing oat comprehensively.

Description

technical field [0001] The invention relates to an oat deep-processing technology, in particular to a production technology for extracting oat starch and oat protein powder from oats. Background technique [0002] Compared with other grains, oatmeal has comprehensive and high nutritional value. The protein, fat, vitamins, mineral elements, cellulose and other five major nutritional indicators all rank first. Now research shows that oats contain a lot of dietary fiber, of which the water-soluble dietary fiber β-glucan occupies a large proportion, which has the effect of reducing The role of blood cholesterol and blood lipid content is conducive to weight loss, can effectively reduce the symptoms of diabetes, and is more suitable for the dietary needs of heart disease patients. Oat grains are rich in protein, which can reach 13% to 20% due to different varieties, ranking first among grains. The protein composition in oats is different from other cereal proteins, and gliadin o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B30/00A23J1/12C12S3/12C12N9/50
Inventor 陈季旺刘英田向东
Owner 山西金绿禾燕麦研究所
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