Extraction method for cashew proteins

An extraction method and technology of cashew protein, applied in the direction of protein food components, protein components of waste, protein composition of microorganisms, etc., can solve the problems of easy destruction of protein and low extraction rate of cashew protein, so as to improve the purity and promote effective Separation, the effect of promoting separation

Inactive Publication Date: 2014-04-02
NANCHANG UNIV
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  • Abstract
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Problems solved by technology

[0003] In order to overcome the problems of low cashew protein extraction rate and easy protein destruction, the ...

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0022] (1) Cold-pressed degreasing of raw materials: cashew nut kernels are crushed in a 2200r / min high-speed grinder for 20 seconds, and the crushed cashew nuts are dried with infrared rays to a water content of 4%, the wavelength of infrared rays is 6 μm, the temperature of the heat source is 500°C, and the distance between the heat source and the nuts is 8cm ; The cashew nuts irradiated by infrared rays are wrapped with filter cloth and put into the cylinder of the hydraulic oil press, the pressure is adjusted to 50MPa, pressed 3 times at 55°C, and the macadamia nut meal is collected; (2) Fruit meal refinement: the cashew nut meal is added 8 times the weight of water, stir evenly, use a colloid mill to refine, the gap between the stator and rotor of the colloid mill is 35 microns; (3) Homogenization: the pulp is homogenized and refined by a homogenizer, and the homogenization pressure is 40 MPa; ( 4) Dynamic ultra-high pressure treatment: fruit meal is treated twice with M-1...

Embodiment 2

[0024] (1) Cold-pressed degreasing of raw materials: cashew nut kernels are crushed in a 2000r / min high-speed grinder for 22 seconds, and the crushed cashew nuts are dried with infrared rays to a water content of 5%, the wavelength of infrared rays is 5 μm, the temperature of the heat source is 400 ° C, and the distance between the heat source and the nuts is 10 cm ; The cashew nuts irradiated by infrared rays are wrapped with filter cloth and put into the barrel of the hydraulic oil press, the pressure is adjusted to 60MPa, pressed 3 times at 50°C, and the macadamia nut meal is collected; (2) Fruit meal refinement: add the cashew nut meal 7 times the weight of water, stir evenly, use a colloid mill to refine, the gap between the stator and rotor of the colloid mill is 30 microns; (3) Homogenization: the pulp is homogenized and refined by a homogenizer, and the homogenization pressure is 45 MPa; ( 4) Dynamic ultra-high pressure treatment: fruit meal is treated twice with M-110E...

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PUM

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Abstract

The invention relates to an extraction method for cashew proteins. The method comprises the following steps: (1) crushing and sieving cashew kernels, performing infrared treatment, and separating cashew oil by using a hydraulic cold-pressing method; (2) adding cashew meal in pure water, performing refining through a colloid mill, and performing homogenizing and dynamic ultra-high pressure treatment; (3) performing alkaline extraction in an ultrasonic environment, performing centrifugation, extracting supernatant, regulating the pH to an isoelectric point for precipitation, performing centrifugation, and washing precipitates with warm water; (4) performing homogenizing and spray-drying on the precipitates to obtain the cashew proteins. According to the extraction method, process links are continuous and compact, and products are high in yield and quality.

Description

technical field [0001] The invention relates to a method for extracting fruit protein, in particular to a method for extracting cashew protein. Background technique [0002] Cashew nuts are perennial tropical evergreen tree fruit trees, born in tropical and subtropical regions. They are widely planted in Brazil, India, and Vietnam. They are one of the four famous nuts in the world. Cashew kernels are rich in nutrition, containing about 40-57% fruit oil and 21% protein. At present, there are few studies on the extraction and isolation of cashew protein. Cashew protein is contained in the cell, and is closely combined with other components such as fruit oil and fiber, so it is difficult to separate. The general extraction method is not efficient and may cause damage to cashew protein. Contents of the invention [0003] In order to overcome the problems of low cashew protein extraction rate and easy protein destruction, the present invention provides an effective method for...

Claims

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Application Information

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IPC IPC(8): A23J1/00
Inventor 刘成梅钟业俊刘伟钟俊桢胡旭涛
Owner NANCHANG UNIV
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