Compound protein powder long in storage life and production method thereof
A compound protein powder and shelf life technology, applied in the field of protein powder, can solve problems such as solubility, poor stability, uneven preparation, and limitations, and achieve increased solubility and stability, improved biological activity, and reduced production costs. Effect
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Embodiment 1
[0051] Embodiment 1 Raw material preparation
[0052] 1. Preparation of dietary fiber powder:
[0053] The preparation method of the dietary fiber powder comprises the following steps: uniformly mixing inulin, apple fiber, wheat fiber, and oat fiber in a mass ratio of 5:3:2:1.5, superfinely pulverizing to a particle size of 5 μm, and adjusting the moisture content of the pulverized product The content is 18%, extruded and puffed at a screw speed of 170r / min and a temperature of 192°C, adding water 3 times the mass of the puffed product, ultrasonic extraction at room temperature 300W, 40KHz for 12min, and then at an electric field strength of 30kV / cm, pulse time 500μs, Under the condition of pulse frequency 300Hz, conduct high-voltage pulse electric field treatment for 12 minutes; use lactic acid to adjust the pH value to 5.5, add 0.2% biological enzyme in the mixture, and enzymolyze at 50°C for 35 minutes; the enzymatic solution is concentrated under reduced pressure and freez...
Embodiment 2
[0070] A compound protein powder with a long shelf life is mainly prepared from the following raw materials in parts by weight:
[0071] 70 parts of soybean protein isolate, 70 parts of concentrated whey protein, 55 parts of dietary fiber powder, 55 parts of wheat germ powder, 20 parts of phospholipids, 15 parts of antifreeze polypeptide, 10 parts of enzymatic hydrolyzate of bee chrysalis, 2 parts of stevia;
[0072] The mass composition of described antifreeze polypeptide is: plant extract: sericin peptide=21:6;
[0073] The preparation method comprises the steps of:
[0074] 1) Preparation of stevia extract: according to the formula, accurately weigh the raw materials of each component, first put stevia into an ultrasonic cleaning machine equipped with 0.2% sodium bicarbonate solution, wash at 300W, 30KHz for 4min, drain, and place Microwave drying at power 4kW, material layer thickness 3cm, 90°C, dried for 3min, then soaked in 6% sericin peptide solution by mass percentage...
Embodiment 3
[0079] A compound protein powder with a long shelf life, mainly prepared from the following raw materials in parts by weight: 50 parts of soybean protein isolate, 60 parts of concentrated whey protein, 45 parts of dietary fiber powder, 45 parts of wheat germ powder, 10 parts of phospholipid, antifreeze 10 parts of polypeptide, 5 parts of enzymatic hydrolyzate of bee chrysalis, 1 part of stevia;
[0080] The quality composition of described antifreeze polypeptide is: plant extract: sericin peptide=12:3;
[0081] The preparation method comprises the steps of:
[0082] 1) Preparation of stevia extract: according to the formula, accurately weigh the raw materials of each component, first put stevia into an ultrasonic cleaning machine equipped with 0.1% sodium bicarbonate solution, wash at 200W, 20KHz for 3min, drain, and place In the microwave drying, the power is 3kW, the material layer thickness is 2cm, 80°C, dried for 2min, then soaked in the sericin peptide solution with a ma...
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