Method for treating plant protein whey

A plant protein milk and processing method technology, applied in the field of plant protein concentrate production and comprehensive utilization, can solve the problems of increased acid or enzyme consumption, low alcohol recovery rate, decline and the like

Inactive Publication Date: 2004-01-28
SANHE HOPEFULL GRAIN & OIL GROUP
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AI Technical Summary

Problems solved by technology

However, if heating distillation is used to recover alcohol, this part of the protein will be thermally denatured and cannot be recycled and reused.
[0008] 2: The browning reaction between sugar and protein is violent, which is not conducive to the refining of oligosaccharides in the latter stage and the increase in the yield of oligosaccharides
[0009] 3: The concentration of sugar in the reaction tank in the later stage of distillation is high, and coking occurs at high temperature, which makes it difficult to recover alcohol, so the recovery rate of alcohol is low
[0010] 4: Other high value-added products contained in whey, such as by-products such as isoflavones, cannot...

Method used

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  • Method for treating plant protein whey
  • Method for treating plant protein whey
  • Method for treating plant protein whey

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Embodiment Construction

[0044] refer to figure 1 , which is a flowchart of acid hydrolysis dynamic cross-current / counter-current extraction in the present invention.

[0045] 1: First, the soybean (soybean germ) alcohol concentrated protein whey is subjected to ultrafiltration treatment, and the treatment method adopts an inorganic ceramic membrane with a molecular weight cut-off of 1000-20000 for ultrafiltration treatment.

[0046] Process conditions for ultrafiltration treatment:

[0047] Operating temperature: 5-60°C, inlet pressure: 0.3-0.8MPa, outlet pressure: 0.05-0.3MPa, flux 0.02-0.8m 3 / m 2 h,

[0048] After ultrafiltration treatment, gliadin and membrane permeate are obtained, gliadin can be recycled or processed separately, membrane permeate is concentrated under reduced pressure to recover alcohol, and the concentrate of permeate is obtained;

[0049] 2: The concentrate can be further purified by macroporous resin, solvent extraction and other methods to further purify isoflavones or ...

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Abstract

The invention discloses a plant protein whey processing method, firstly ultra-filtering the concentrated plant protein whey by inorganic ceramic diaphragm, to hold back large-molecular alcohol-soluble protein, the alcohol-soluble protein able to return to the concentrated protein and also able to directly extract the alcohol-soluble protein with specific function; then making depressured concentration on the ultrafiltrate to reclaim the alcohol to obtain the concentrated liquid; and finally purifying the concentrated liquid by solvent and large-aperture resin or directly making acid/enzyme hydrolyzation, and during the hydrolyzing course, adding with acetic ester to carry out alternate/refluent liquid-liquid dynamic extraction, and making depressured concentration on the acetic ester layer to obtain isoflavone ligand with remarkable bioactivity, and refining the water phase to obtain higer-purity oligose.

Description

technical field [0001] The invention belongs to the technical field of plant protein concentrate production and comprehensive utilization, and relates to a method for processing protein whey, in particular to a method for processing vegetable protein whey. Background technique [0002] In the past ten years, the development and utilization of plant protein resources has been booming all over the world. The development of plant protein and the provision of high-quality and low-cost protein for the society have become an important issue in improving people's nutritional structure. Soy protein is the vegetable protein with the largest intake and the highest biological value. Soybeans contain more than 36% protein, while hairtail only contains 18.1%, yellow croaker only 16.7%, lean pork only 16.7%, meat only 12%, chicken only 24.9%. Soybean is an important source of protein and contains eight essential amino acids for humans, especially lysine, which is very much needed by chil...

Claims

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Application Information

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IPC IPC(8): A23C21/00
Inventor 张昭炜
Owner SANHE HOPEFULL GRAIN & OIL GROUP
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