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Extraction method for duckweed protein, duckweed protein gel, duckweed protein powder and duckweed protein gel foodstuff

A technology of duckweed protein and extraction method, applied in the field of plant protein, can solve problems such as unresearched, and achieve the effects of broad market prospect, good quality and high protein content

Inactive Publication Date: 2015-12-23
CHONGQING JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no research on the use of duckweed protein to make vegetable protein products.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] One, a kind of extracting method of duckweed protein, comprises the steps:

[0024] 1) Mix the removed and cleaned duckweed with water at a mass ratio of 1:5, and then crush it to make the duckweed raw material into a paste;

[0025] 2) Filter the crushed slurry in step 1) and collect the filtrate; wash the filter residue with water with 10% duckweed mass, filter and collect the washing liquid; combine the filtrate and the washing liquid as the extract; When filtering, use a 100-mesh sieve to filter out the water-insoluble filter residue;

[0026] 3) After heating the extract in step 2) to boiling, cool to 80°C;

[0027] 4) Calcium sulfate, magnesium chloride and glucono-δ-lactone are used as protein coagulants, wherein the mass ratio of calcium sulfate, magnesium chloride and glucono-δ-lactone is 3:1:6;

[0028] Add the above-mentioned protein coagulant to the cooled extract in step 3) in 5 times. The mass ratio of the protein coagulant to the extract added each time...

Embodiment 2

[0032] One, a kind of extracting method of duckweed protein, comprises the steps:

[0033] 1) Mix the removed and cleaned duckweed with water at a mass ratio of 1:1, and then crush it;

[0034] 2) Filtrating the crushed slurry in step 1), collecting the filtrate; washing the filter residue with water with 30% duckweed mass, filtering and collecting the washing liquid; combining the filtrate and the washing liquid as an extract; When filtering, use a 200-mesh sieve to filter out the water-insoluble filter residue;

[0035] 3) Heat the extract in step 2) to boiling, then cool to 98°C;

[0036] 4) Calcium sulfate, magnesium chloride and glucono-δ-lactone were used as protein coagulants, wherein the mass ratio of calcium sulfate, magnesium chloride and glucono-δ-lactone was 3:1:6; the added protein coagulant and extraction The mass ratio of liquid is 1:40;

[0037] Add the above-mentioned protein coagulant to the cooled extract in step 3), stir evenly, and let it stand for 30 m...

Embodiment 3

[0041] One, a kind of extracting method of duckweed protein, comprises the steps:

[0042] 1) Mix the removed and cleaned duckweed with water at a mass ratio of 1:3, and then crush it;

[0043] 2) Filter the crushed slurry in step 1) and collect the filtrate; wash the filter residue with water with 20% duckweed mass, filter and collect the washing liquid; combine the filtrate and the washing liquid as the extract; When filtering, use a 100-mesh sieve to filter out the water-insoluble filter residue;

[0044] 3) After heating the extract in step 2) to boiling, cool to 90°C;

[0045] 4) Calcium sulfate, magnesium chloride and glucono-δ-lactone were used as protein coagulants, wherein the mass ratio of calcium sulfate, magnesium chloride and glucono-δ-lactone was 3:1:6; the added protein coagulant and extraction The mass ratio of liquid is 1:65;

[0046] Add the above-mentioned protein coagulant to the cooled extract in step 3), stir evenly, and let it stand for 20 minutes to ...

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PUM

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Abstract

The invention discloses an extraction method for a duckweed protein, a duckweed protein gel, a duckweed protein powder and a duckweed protein gel foodstuff. The extraction method for the duckweed protein comprises the following steps: cleaning of duckweed; crushing; filtering; boiling; cooling; addition of a protein coagulating agent for coacervation; and extraction of the duckweed protein. The duckweed protein gel is prepared by subjecting colloid obtained after coacervation to shaping through cooling or heavy pressing. The duckweed protein powder is prepared by drying the colloid obtained after coacervation at 60 to 80 DEG C for 18 to 20 h, then crushing the dried colloid and then sieving the crushed colloid with a 100-to-200-mesh sieve. The duckweed protein gel foodstuff comprises, by weight, 80 to 90 parts of the duckweed protein gel, 1 to 2 parts of a stabilizing agent, 2 to 4 parts of a coloring agent, 5 to 7 parts of a sweetener, 1 to 3 parts of citric acid and 0.5 to 1.5 parts of a flavoring composition. The duckweed protein is extracted for the first time in the invention; and the extracted duckweed protein has excellent quality, high protein content and more abundant vitamins and is a high-quality protein.

Description

technical field [0001] The invention belongs to the technical field of plant protein, and in particular relates to a duckweed protein extraction method, a duckweed protein gel, a duckweed protein powder and a duckweed protein gel food. Background technique [0002] Duckweed is the whole herb of Duckweed Duckweed or Duckweed, which is widely distributed in lake water systems all over China, and Duckweed grows fast and is rich in resources. According to research, duckweed has a very high protein content. Uncooked duckweed contains 45% protein, which is higher than the 36% protein content in soybeans, and is a good source of protein. However, there is currently no relevant research on the extraction method of duckweed protein and the preparation of duckweed protein products. [0003] Plant protein is an important source of human dietary protein. Extracting plant protein and processing it into plant protein food is a direction of food development. Now there are plant protein ...

Claims

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Application Information

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IPC IPC(8): A23J1/00A23J3/14A23L1/29
Inventor 蓝章礼
Owner CHONGQING JIAOTONG UNIVERSITY
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