A method for simultaneously extracting starch and protein
An extraction method, starch technology, applied in the field of plant extraction, can solve the problems of polluted environment, long production time, large water consumption, etc., and achieve the effect of solving water pollution
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Embodiment 1
[0035]3 tons of peas were mechanically peeled to obtain 2.8 tons of raw material endosperm. The obtained raw material endosperm was crushed into a pulverizer with a particle size of more than 60 mesh. Separately, the powder at the end of the fan can be directly used as feed-grade protein; take out about 2.4 tons of powder with a particle size of more than 60 mesh (usually 100-200 mesh) at the powder outlet of the pulverizer, add water to the slurry, that is, add 17 tons of water, stir evenly, promptly obtain raw material slurry, then add the sodium hydroxide solution that concentration is 1mol / L in above-mentioned raw material slurry (adding sodium hydroxide solution is in order to leach the alkali-soluble protein in the pea) to adjust pH, When the pH value was adjusted to 7.5, stop adding the sodium hydroxide solution, stir and leach for 1 hour, leave to settle for 1.5 hours, and siphon all the aqueous solution (siphon for the first time) on the upper part of the siphon, leavi...
Embodiment 2
[0040] Mechanically peel 3 tons of wheat to obtain 2.7 tons of raw material endosperm. The obtained raw material endosperm is crushed in a pulverizer, and the particle size reaches 60 mesh or more. After taking out the powder with a particle size of 60 mesh or more at the powder outlet end of the pulverizer (100-200 mesh) , add water to adjust the slurry, that is, add 16.2 tons of water to the powder taken out, stir evenly, and obtain the raw material slurry, then add a sodium carbonate solution with a concentration of 1mol / L to the above raw material slurry (adding the sodium carbonate solution is for extracting wheat Alkali-soluble protein) to adjust the pH, when the pH value was adjusted to 10, stop adding the sodium carbonate solution, stir and extract for 2 hours, obtain starch milk after standing for precipitation for 3 hours, and then siphon all the aqueous solution on the upper part (No. One siphon), 4 tons of starch milk remain at the bottom after the siphon, add water...
Embodiment 3
[0042] Clean 3 tons of potatoes, then add 15 tons of water to pulverize in a pulverizer, use a 60-mesh sieve to sieve in a sieving machine, remove the protein and fiber in the material with a particle size greater than 60 mesh, and use the 60-mesh sieve as Raw material slurry, then adding a calcium hydroxide solution with a concentration of 1mol / L in the above-mentioned raw material slurry (adding sodium hydroxide solution is to extract the alkali-soluble protein in the potato) to adjust the pH, when the pH value is adjusted to 11, stop Add the sodium hydroxide solution, stir and extract for 2.5 hours, and obtain starch milk after standing for 2 hours, and then siphon all the aqueous solution on the upper part (siphon for the first time), and leave 1.5 tons of starch milk at the bottom after siphoning, add water again to adjust slurry, that is, add 4 tons of water to the starch milk again, stir evenly, and then add a sodium hydroxide solution with a concentration of 1mol / L to a...
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