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Method for obtaining peanut oil with soft and refined fragrance and high-quality protein powder simultaneously

A technology for peanut protein powder and protein powder, which is applied in the field of food processing, can solve the problems of reducing people's acceptance, high residual oil rate of peanut powder, poor product stability, etc., and achieves low residual lipid, high VE content, The effect of improving the service life

Active Publication Date: 2017-02-01
无锡食赫兹未来食品科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the present cold pressing method prepares peanut oil, does not have the fragrance of peanut oil, has reduced people's acceptance, and peanut oil yield is low and causes peanut powder residual oil rate height (reaches more than 20% usually), and lipid content height causes peanut powder to be used in Insufficient water solubility in beverages, etc., poor product stability
Although other methods can be used to further reduce the residual lipid in peanut flour, this will obviously lead to cumbersome production process and increased cost

Method used

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  • Method for obtaining peanut oil with soft and refined fragrance and high-quality protein powder simultaneously
  • Method for obtaining peanut oil with soft and refined fragrance and high-quality protein powder simultaneously
  • Method for obtaining peanut oil with soft and refined fragrance and high-quality protein powder simultaneously

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] (1) Take 25kg of peanut kernels, add the screened peanuts to an infrared heating machine by vacuum suction for processing (heating at 130°C for 40min, processing distance 20cm, material thickness 5cm, infrared wavelength about 2.5μm), processed peanuts Cool at room temperature for 5 hours, and use the LXT-1 undresser to remove the red coat;

[0032] (2) Dry grinding to 2 μm using an ultrafine pulverizer;

[0033] (3) Using a three-column hydraulic oil press to increase pressure gradiently to prepare peanut oil:

[0034] The first stage: 10~12bar treatment for 30mins; the second stage: 25~28bar treatment for 30mins;

[0035] The third stage: 45~48bar treatment for 30min; the fourth stage: 95~98bar treatment for 30mins;

[0036] The fifth stage: 290 ~ 295bar treatment for 30mins; the sixth stage: 570 ~ 585bar treatment for 30mins.

[0037] The obtained crude oil is centrifuged at 4500 r / min at room temperature in a centrifuge to obtain Rouyaxiang peanut oil; the peanut...

Embodiment 2

[0040] (1) get the peanut kernels 25kg of the same batch as Example 1, add the screened peanuts to the infrared heating machine by vacuum suction mode for processing (heating at 120 ° C for 40min, processing distance 22cm, material thickness 3cm, infrared wavelength 0.76- 4 μm), the processed peanuts were cooled at room temperature for 5 hours, and the red coat was stripped using the LXT-1 stripper;

[0041] (2) Dry grinding to 2 μm using an ultrafine pulverizer;

[0042] (3) Using a three-column hydraulic oil press to increase pressure gradiently to prepare peanut oil:

[0043] The first stage: 12~15bar treatment for 30mins; the second stage: 28~30bar treatment for 30mins;

[0044] The third stage: 48-50bar treatment for 30min; the fourth stage: 98-100bar treatment for 35mins;

[0045] The fifth stage: 295-300bar treatment for 35mins; the sixth stage: 580-600bar treatment for 30mins.

[0046]The obtained crude oil is centrifuged at 4500 r / min at room temperature in a centr...

Embodiment 3

[0049] (1) get the same batch of peanut kernels 25kg as in Example 1, add the screened peanuts to the infrared heating machine by vacuum suction mode for processing (heating at 140°C for 20min, processing distance 15cm, material thickness 7cm, infrared wavelength 0.76- 4 μm), the processed peanuts were cooled at room temperature for 5 hours, and the red coat was stripped using the LXT-1 stripper;

[0050] (2) Dry grinding to 2 μm using an ultrafine pulverizer;

[0051] (3) Using a three-column hydraulic oil press to increase pressure gradiently to prepare peanut oil:

[0052] The first stage: 12~15bar treatment for 60mins; the second stage: 28~30bar treatment for 60mins;

[0053] The third stage: 48-50bar treatment for 60min; the fourth stage: 98-100bar treatment for 60mins;

[0054] The fifth stage: 292 ~ 298bar treatment for 60mins; the sixth stage: 575 ~ 590bar treatment for 60mins.

[0055] The obtained crude oil is centrifuged at 4500 r / min at room temperature in a cen...

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Abstract

The invention discloses a method for obtaining peanut oil with soft and refined fragrance and high-quality protein powder simultaneously, and belongs to the technical field of food processing. The problem that in existing hydraulic-type peanut oil making, the content of residual oil is high is effectively solved by adopting a gradient pressure increasing hydraulic squeezing method, the oil yield is increased by about 13%, and then application of hydraulic squeezing in industry is promoted. In addition, the obtained peanut oil with the soft and refined fragrance has the inherent smell and taste of peanut oil, is free of abnormal smell, light in color and luster, clear, transparent, low in acid value and high in VE content and oxidation stability and contains rich unsaturated fatty acid, sterol, wheat germ phenol, phospholipids, choline and the like; the peanut protein powder obtained through the method is low in residual lipid and high in nitrogen soluble index, and a beverage prepared from the peanut protein powder is good in stability.

Description

technical field [0001] The invention relates to a method for simultaneously obtaining soft and elegant peanut oil and high-quality protein powder, and belongs to the technical field of food processing. Background technique [0002] Peanut is the fourth largest vegetable oil in the world, accounting for about 14% of the world's annual oil production. The content of oil in peanuts is as high as 44%-58%, most of which are unsaturated fatty acids, especially the essential linoleic acid content is very rich. The protein content of peanut is 24%-34%, and its digestibility reaches 90%. It contains 8 kinds of amino acids necessary for human body. It is the third largest vegetable protein source in the world, and can supply about 11% of the world's demand. Therefore, peanuts are a good source of protein supply. [0003] The residue after peanut kernel oil extraction can be made into peanut powder after drying and crushing. Peanut flour is rich in protein, trace elements, etc., and...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/06C11B3/00A23J1/14
CPCA23J1/14C11B1/04C11B1/06C11B3/00
Inventor 刘元法李凯
Owner 无锡食赫兹未来食品科技有限公司
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