Method for modifying lotus-seed starch under ultrahigh pressure
A lotus seed starch and ultra-high pressure technology, applied in food science, food preparation, application, etc., can solve the problems affecting the quality of starchy food, lotus seed starch is easy to regenerate, etc., and achieve scientific and reasonable production process, strong operability, improved structure effect
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[0027] Example 1
[0028] (1) Preparation of raw materials: Weigh 30g lotus seed starch, add 200mL water, mix well, and prepare lotus seed starch milk with a concentration of 15% (w / v);
[0029] (2) Vacuum packaging: put the prepared lotus seed starch milk into a polypropylene film bag, and use a vacuum packaging machine for sealing and packaging;
[0030] (3) Ultra-high pressure treatment: place the vacuum-packed lotus seed starch milk in a high-pressure chamber for ultra-high pressure treatment, with a treatment pressure of 500MPa, a temperature of 30°C, and a pressure holding time of 30 minutes;
[0031] (4) Drying: filter the lotus seed starch milk after ultra-high pressure treatment and place it in a drying oven at 45°C to dry to a moisture content of 10%;
[0032] (5) Grinding and sieving: The dried lotus seed starch is ground and crushed and then passed through an 80-mesh sieve to obtain ultra-high pressure modified lotus seed starch.
Example Embodiment
[0033] Example 2
[0034] (1) Preparation of raw materials: Weigh 20g lotus seed starch, add 100mL water, mix well, and prepare lotus seed starch milk with a concentration of 20% (w / v);
[0035] (2) Vacuum packaging: put the prepared lotus seed starch milk into a polypropylene film bag, and use a vacuum packaging machine for sealing and packaging;
[0036] (3) Ultra-high pressure treatment: The vacuum-packed lotus seed starch milk was placed in a high-pressure chamber for ultra-high pressure treatment, with a treatment pressure of 450MPa, a temperature of 25°C, and a pressure holding time of 20 minutes;
[0037] (4) Drying: filter the lotus seed starch milk after ultra-high pressure treatment and place it in a drying oven at 45°C to dry to a moisture content of 8%;
[0038] (5) Grinding and sieving: The dried lotus seed starch is ground and crushed and then passed through an 80-mesh sieve to obtain ultra-high pressure modified lotus seed starch.
Example Embodiment
[0039] Example 3
[0040] (1) Preparation of raw materials: Weigh 36g lotus seed starch, add 200mL water, mix well, and prepare lotus seed starch milk with a concentration of 18% (w / v);
[0041] (2) Vacuum packaging: put the prepared lotus seed starch milk into a polypropylene film bag, and use a vacuum packaging machine for sealing and packaging;
[0042] (3) Ultra-high pressure treatment: The vacuum-packed lotus seed starch milk was placed in a high-pressure chamber for ultra-high pressure treatment, with a treatment pressure of 470MPa, a temperature of 28°C, and a pressure holding time of 27 minutes;
[0043] (4) Drying: filter the lotus seed starch milk after ultra-high pressure treatment and place it in a drying oven at 45°C to dry to a moisture content of 7%;
[0044] (5) Grinding and sieving: The dried lotus seed starch is ground and crushed and then passed through an 80-mesh sieve to obtain ultra-high pressure modified lotus seed starch.
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