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A method to simultaneously obtain soft and fragrant peanut oil and high-quality protein powder

A protein powder and fragrant flower technology, applied in the field of food processing, can solve the problems of high residual oil rate of peanut powder, no peanut oil fragrance, poor product stability, etc., and achieve low residual lipid, long shelf life and improved service life. Effect

Active Publication Date: 2019-12-10
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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  • A method to simultaneously obtain soft and fragrant peanut oil and high-quality protein powder
  • A method to simultaneously obtain soft and fragrant peanut oil and high-quality protein powder
  • A method to simultaneously obtain soft and fragrant peanut oil and high-quality protein powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

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

[0032] (2) dry grinding to 2 μm by means of an ultrafine pulverizer;

[0033] (3) Using a three-column hydraulic oil press, the pressure is gradually increased 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 for 30mins; the sixth stage: 570~585bar for 30mins.

[0037] The obtained crude oil is centrifuged in a centrifuge at 4500r / min at room temperature to obtain soft and fragrant peanut...

Embodiment 2

[0040] (1) Take 25kg of the same batch of peanut kernels as in Example 1, and add the screened peanuts into an infrared heating machine for processing by vacuum suction (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 removed by LXT-1 stripper;

[0041] (2) dry grinding to 2 μm by means of an ultrafine pulverizer;

[0042] (3) Using a three-column hydraulic oil press, the pressure is gradually increased 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 in a centrifuge at 4500r / min at ...

Embodiment 3

[0049] (1) Take 25kg of the same batch of peanut kernels as in Example 1, and add the screened peanuts into an infrared heating machine for processing by vacuum suction (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 removed by LXT-1 stripper;

[0050] (2) dry grinding to 2 μm by means of an ultrafine pulverizer;

[0051] (3) Using a three-column hydraulic oil press, the pressure is gradually increased 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 in a centrifuge at 4500r / min at...

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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 fragrant peanut oil and high-quality protein powder, and belongs to the technical field of food processing. Background technique [0002] Peanut is the fourth vegetable oil in the world, accounting for about 14% of the world's annual oil production. The oil content 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 content of protein in peanut is 24%-34%, the digestibility reaches 90%, contains 8 kinds of amino acids necessary for human body, is the third plant protein source in the world, and can supply about 11% of the world's demand. So peanuts are a good source of protein. [0003] The residue after peanut kernels are dried and crushed can be made into peanut powder. Peanut powder is rich in protein, trace elements, etc. It is widely used in food production fields such as baked goods, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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