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Method for separating protein powder of peanut

A technology of peanut protein powder and protein powder, which is applied in the direction of vegetable protein processing, etc., can solve the problems of particle fineness limitation, high oil content of peanuts, difficult industrial application, etc. Effect

Inactive Publication Date: 2007-01-24
菏泽丹盟港龙农副产品开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high cost of enzymes, it is difficult to apply industrially for a while.
[0007] 3 Two-stage pressing method Due to the high oil content of peanuts and the need to maintain protein invariance, only two-stage pressing can be performed at low temperature
However, the oil content of the pressed product is still high (6-8%), the stability is poor, it is not easy to store, and the fineness of the crushed particles is also limited.

Method used

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  • Method for separating protein powder of peanut

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Experimental program
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Effect test

Embodiment 1

[0019] Accompanying drawing is a kind of specific embodiment of the present invention. The method of this embodiment is as follows: the material discharged from the baking oven is subjected to cold water rapid cooling, and the peanuts are removed from the red seed coat. The unqualified peanut kernels are selected, and the peanut kernels that have not been stripped of the seed coat enter the stripper again to remove the seed coat. The peanut kernels that have been removed from the red seed coat are put into the crusher to crush 7-8 petals, and the broken cake can be pre-pressed at low temperature (81°C) and extruded. The temperature of the extruder outlet material is 95°C. grade peanut oil. Peanuts enter the extractor for leaching, and then the low-denatured defatted meal after low-temperature desolventization, and then undergoes two extractions, acid precipitation, neutralization, modification, and spray drying to obtain the product. The product is in powder form, contains m...

Embodiment 2

[0021] This embodiment comprises the following steps: (1) the roasting temperature of the peanut kernels before removing the red seed coating is 55° C. for 30 minutes, and the rate of removing the red seed coating of the peanut kernels is more than 98%; (2) then proceeding at 78° C. Low-temperature pre-pressing and puffing, the outlet temperature of the puffing machine is 95°C; (3) The extruded peanut meal is extracted at a temperature of 53°C for 90 minutes; (4) The low-temperature precipitation temperature is controlled at 75°C, The fat content is about 1%; (5) Ultrafine grinding is carried out to make peanut protein powder with a particle size of 200-300 mesh. After two extractions, acid precipitation, neutralization, modification, and spray drying, the content of isolated peanut protein powder is 90 %above.

Embodiment 3

[0023] This embodiment comprises the following steps: (1) the roasting temperature of the peanut kernels before removing the red seed coating is 65° C. for 30 minutes, and the rate of removing the red seed coating of the peanut kernels is more than 98%; (2) then proceed at 75° C. Low-temperature pre-pressing and puffing, the outlet temperature of the puffing machine is 90°C; (3) The extruded peanut meal is extracted at a temperature of 56°C for 90 minutes; (4) The low-temperature precipitation temperature is controlled at 78°C, The fat content is about 1%; (5) After two extractions, acid precipitation, neutralization, modification, and spray drying, the content of the isolated peanut protein powder is above 90%.

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Abstract

The present invention relates to peanut deep processing technology, and is especially method of separating protein powder from peanut. The special peanut protein powder separating process includes the following steps: 1. stoving peanut kernel at 55-65deg.c for 30 min to eliminate over 98 % of peanut coat; 2. low temperature pre-squeezing and puffing; 3. leaching; 4. low temperature solvent eliminating at temperature lower than 78deg.c; and 5. twice extraction, acid precipitation, neutralization, modifying, spray drying to separate peanut protein powder.

Description

(1) Technical field [0001] The invention relates to a peanut deep processing technology, in particular to a method for peanut protein isolate powder. (2) Background technology [0002] Peanut is a high-fat, high-protein oil crop. In addition to about 50% fat, peanut kernel also contains 24%-36% protein, 3.2% peanut seed coat, vitamins and minerals. It is usually regarded as Oil and leisure food. Protein powder is a substitute to solve the shortage of human protein. Protein constitutes human cells and has metabolic functions. Protein is the material basis for the survival of all organisms including human beings. Without protein, there is no life. [0003] In the traditional peanut protein powder process, the raw materials are not removed from the red seed coat, but must be heated at 100°C for about 40-50 minutes, steamed and fried; denaturation and other combined reactions greatly reduce the use of peanut protein powder, and the production About 50% of the finished crude p...

Claims

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Application Information

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IPC IPC(8): A23J3/14
Inventor 冯桂兰
Owner 菏泽丹盟港龙农副产品开发有限公司
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