Preparation method of antibacterial and mildew-proof edible film material
An antibacterial and mildew proof, edible film technology, applied in flexible covering, packaging, wrapping paper, etc., can solve problems such as poor antibacterial performance
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example 1
[0018] Get the red cabbage and wash it, vacuum freeze-dry and grind through a 200 mesh sieve, collect the sieved powder and press the mass ratio of 1:10, stir and mix the sieved powder with 5mmol / L disodium hydrogen phosphate-sodium dihydrogen phosphate Collect the mixed solution and place it in a homogenizer, homogenize it and dry it at -25°C for 6-8 hours, collect the dried particles and thaw it at room temperature, and after the thawing is completed, dry it at a mass ratio of 1:5. Stir and mix the substance with deionized water, centrifuge, collect the supernatant and put it on a glucose gel column, and use 0.15mol / L, pH 6.0 disodium hydrogen phosphate-sodium dihydrogen phosphate buffer for elution treatment, control the washing The deliquoring flow rate is 0.5mL / min, elution treatment and collection of the eluate, vacuum freeze-drying to obtain photosensitive protein particles; take soybean meal and vacuum freeze-drying, collect the dried particles and grind them, pass thro...
example 2
[0020] Get the red cabbage and wash it, vacuum freeze-dry and grind through a 200 mesh sieve, collect the sieved powder and press the mass ratio of 1:10, stir and mix the sieved powder with 5mmol / L disodium hydrogen phosphate-sodium dihydrogen phosphate Collect the mixed solution and place it in a homogenizer, homogenize it and dry it at -22°C for 7 hours, collect the dried particles and thaw it at room temperature, after the thawing is completed, mix the dry matter with Stir and mix with deionized water, centrifuge to collect the supernatant and put it in a glucose gel column, use 0.15mol / L, pH 6.0 disodium hydrogen phosphate-sodium dihydrogen phosphate buffer to elute, control the flow rate of the eluent 0.7mL / min, elution treatment and collection of eluate, vacuum freeze-drying to obtain photosensitive protein particles; take soybean meal and vacuum freeze-drying, collect the dried particles and grind them, pass through a 200-mesh sieve to obtain sieved particles and press ...
example 3
[0022] Get the red cabbage and wash it, vacuum freeze-dry and grind through a 200 mesh sieve, collect the sieved powder and press the mass ratio of 1:10, stir and mix the sieved powder with 5mmol / L disodium hydrogen phosphate-sodium dihydrogen phosphate Collect the mixed solution and place it in a homogenizer, homogenize it and dry it at -20°C for 8 hours, collect the dried particles and thaw it at room temperature. After the thawing is completed, mix the dry matter with Stir and mix with deionized water, centrifuge to collect the supernatant and put it in a glucose gel column, use 0.15mol / L, pH 6.0 disodium hydrogen phosphate-sodium dihydrogen phosphate buffer to elute, control the flow rate of the eluent 0.8mL / min, elution treatment and collection of eluate, vacuum freeze-drying to obtain light-sensitive protein particles; take soybean meal and vacuum freeze-drying, collect the dried particles and grind them, pass through a 200-mesh sieve to obtain sieved particles and press ...
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Abstract
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