Technological method for increasing stability of protein
A process method and protein technology, applied in animal protein processing, food science and other directions, can solve the problems of complex system, affecting product quality, product quality decline, etc., achieving the effect of simple operation and solving production process problems
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Embodiment 1
[0045] Step 1. Weigh 48 grams of milk protein, whey protein concentrate, casein, and calcium caseinate and add 352 grams of warm water at 50°C to a 500 ml beaker for preliminary dissolution, and use a high-speed shearing machine to emulsify and shear After 2 minutes (5000 rpm), a 12% concentration of milk protein, whey protein concentrate, casein, and calcium caseinate solution was prepared.
[0046] Step 2. Add citric acid and potassium hydroxide with a concentration of 1 mol / L to the protein solution dissolved in step 1, and adjust the pH value to 5, 6, 7, 8, 9.
[0047] Step 3, heating the protein solution after adjusting the pH value in step 2 in a water bath at 70° C., and the stirring speed in the water bath is 300 rpm.
[0048] Step 4, adding different sodium-containing minerals (sodium bicarbonate, sodium dihydrogen phosphate, sodium citrate, sodium chloride or disodium hydrogen phosphate) with a concentration of 50 mg / 100 g in the protein solution that has been dissol...
Embodiment 2
[0055] Step 1. Weigh 48 grams of milk protein, whey protein concentrate, casein, and calcium caseinate, add 352 grams of warm water at 50°C to a 500 ml beaker for preliminary dissolution, and use a high-speed shearing machine to emulsify and shear 2 Minutes (5000rpm), prepared into 12% concentration of milk protein, whey protein concentrate, casein, calcium caseinate solution.
[0056] Step 2, adding different sodium-containing minerals (sodium bicarbonate, sodium dihydrogen phosphate, sodium citrate, sodium chloride or disodium hydrogen phosphate) with a concentration of 400mg / 100g in the protein solution that has been dissolved in step 1 a), potassium minerals (one of potassium citrate, potassium dihydrogen phosphate, dipotassium hydrogen phosphate or potassium chloride), calcium minerals (calcium citrate, calcium hydrogen phosphate, calcium chloride, oxide calcium or calcium sulfate), magnesium minerals (magnesium sulfate, magnesium chloride, magnesium oxide or magnesium ca...
Embodiment 3
[0061] Step 1. Weigh 48 grams of milk protein, whey protein concentrate, casein, and calcium caseinate and add 352 grams of warm water at 50°C to a 500 ml beaker for preliminary dissolution, and use a high-speed shearing machine to emulsify and shear After 2 minutes (5000 rpm), a 12% concentration of milk protein, whey protein concentrate, casein, and calcium caseinate solution was prepared.
[0062] Step 2. Add citric acid and potassium hydroxide with a concentration of 1 mol / L to the protein solution dissolved in step 1, and adjust the pH value to 5, 6, 7, 8, 9.
[0063] Step 3, heating the protein solution after adjusting the pH value in step 2 in a water bath at 70° C., and the stirring speed in the water bath is 300 rpm.
[0064] Step 4, adding different sodium-containing minerals (one of sodium bicarbonate, sodium dihydrogen phosphate, sodium citrate or sodium chloride disodium hydrogen phosphate) with a concentration of 1000 mg / 100 g to the protein solution that has bee...
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