A method for reducing protein isolate and secondly extracting soybean dregs crude protein
A protein and crude protein separation technology, applied in the preparation method of peptides, chemical instruments and methods, peptides, etc., can solve the problems of affecting the CP removal rate of bean dregs, affecting the secondary dissolution effect, uneven pH value, etc., to reduce production The effect of reducing cost, reducing CP content, and increasing product yield
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Embodiment 1
[0035] The method for reducing the CP of the isolated protein two slag described in the present embodiment comprises the steps:
[0036] (1) Add the prepared process water at 40-43°C to the extraction tank, add liquid caustic soda, the pH of the alkaline water is controlled between 11±0.5, and add edible low-temperature soybean meal, the ratio of soybean meal to water is 1:8.21, The pH of the feed liquid is controlled between 7.0-7.5, and the dissolving time is 30 minutes (the amount of alkali added is 13.5±0.5kg). The first-extraction separator, after being centrifuged at a high speed by the centrifuge, separates the feed liquid into solid and liquid, and the solid is pushed out by the inner screw of the separator to become a first-extraction bean dregs, and the liquid will flow out from the overflow port, which is called a first-extraction soybean milk;
[0037] (2) According to the mass ratio of 1:5, dilute and dissolve the first-extracted bean dregs obtained in step (1) wi...
Embodiment 2
[0039] The method for reducing the CP of the isolated protein two slag described in the present embodiment comprises the steps:
[0040] (1) Add the prepared 40-43°C process water into the extraction tank, add liquid caustic soda, control the pH of the alkaline water between 11±0.5, add edible low-temperature soybean meal, the ratio of soybean meal to water is 1:8, The pH of the feed liquid is controlled between 7.0-7.5, and the dissolving time is 30 minutes (the amount of alkali added is 13.5±0.5kg). The first-extraction separator, after being centrifuged at a high speed by the centrifuge, separates the feed liquid into solid and liquid, and the solid is pushed out by the inner screw of the separator to become a first-extraction bean dregs, and the liquid will flow out from the overflow port, which is called a first-extraction soybean milk;
[0041] (2) According to the mass ratio of 1:2, dilute and dissolve the first-extracted bean dregs obtained in step (1) with water, and ...
Embodiment 3
[0043] The method for reducing the CP of the isolated protein two slag described in the present embodiment comprises the steps:
[0044] (1) Add the prepared 40-43°C process water into the extraction tank, add liquid caustic soda, control the pH of the alkaline water between 11±0.5, add edible low-temperature soybean meal, the ratio of soybean meal to water is 1:9, The pH of the feed liquid is controlled between 7.0-7.5, and the dissolving time is 30 minutes (the amount of alkali added is 13.5±0.5kg). The first-extraction separator, after being centrifuged at a high speed by the centrifuge, separates the feed liquid into solid and liquid, and the solid is pushed out by the inner screw of the separator to become a first-extraction bean dregs, and the liquid will flow out from the overflow port, which is called a first-extraction soybean milk;
[0045] (2) According to the mass ratio of 1:10, dilute and dissolve the bean dregs obtained in step (1) with water to dissolve the bean...
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Abstract
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