A kind of preparation method and application of bacteriostatic agent containing oregano essential oil and resveratrol
A technology of resveratrol and bacteriostatic agent, which is applied in the field of preparation of bacteriostatic agent, can solve the problems of reduced activity, food spoilage, and easy volatilization of oregano essential oil, etc., achieve high embedding rate, change powder characteristics, increase Effect of Particle Size Range
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Embodiment 1
[0031] 0.25% sodium caseinate solution, 3% resveratrol solution (dissolved in 70% ethanol), 4% inulin solution and 4% gum arabic solution were prepared respectively, and stirred at 300rpm for 5h until fully hydrated. Take 7.00 g of the prepared sodium caseinate solution, add resveratrol solution with a mass volume ratio of 0.005% and mix and stir (300 rpm) for 30 minutes until completely combined, then add chrysanthemum with a mass volume ratio of 3% to the mixed solution respectively powder solution and gum arabic solution, and then add oregano essential oil with a mass ratio of 3.5% to the above mixed solution, high-speed shearing at 13,000rpm for 5min, and homogenization at 750bar for 3min to prepare 0.1% sodium caseinate, 2% polysaccharide, 5% oregano essential oil emulsion system of oregano essential oil and nanoscale micro-embedded emulsion of resveratrol, wherein the concentration of oregano essential oil is 24.8mg / ml, and the concentration of resveratrol is 29.2ug / ml, ...
Embodiment 2
[0033] 0.2% sodium caseinate solution, 3% resveratrol solution (dissolved in 75% ethanol), 2% inulin solution and 2% gum arabic solution were prepared respectively, and stirred at 300 rpm for 4 hours until fully hydrated. Take 7.00 g of the prepared sodium caseinate solution, add resveratrol solution with a mass volume ratio of 0.007% and mix and stir (300 rpm) for 30 minutes until completely combined, then add chrysanthemum with a mass volume ratio of 3% to the mixed solution respectively powder solution and gum arabic solution, and then add oregano essential oil with a mass ratio of 2% to the above mixed solution, high-speed shearing at 14000rpm for 3min, and homogenization at 1000bar for 2min to prepare a mixture comprising 0.2% sodium caseinate, 2% polysaccharide, 5% oregano essential oil emulsion system of oregano essential oil and nanoscale micro-embedded emulsion of resveratrol, wherein the concentration of oregano essential oil is 22.1mg / ml, and the concentration of res...
Embodiment 3
[0035] 0.2% sodium caseinate solution, 4% resveratrol solution (dissolved in 70% ethanol), 4% inulin solution and 4% gum arabic solution were prepared respectively, and stirred at 300 rpm for 6 hours until fully hydrated. Take 7.00 g of the prepared sodium caseinate solution, add the resveratrol solution with a mass volume ratio of 0.003% and mix and stir (300 rpm) for 30 minutes until completely combined, then add chrysanthemum with a mass volume ratio of 3% to the mixed solution respectively powder solution and gum arabic solution, and then add oregano essential oil with a mass ratio of 3% to the above mixed solution, high-speed shearing at 12000rpm for 10min, and homogenizing at 500bar for 2min to prepare 0.25% sodium caseinate , 2% polysaccharide, 5% oregano essential oil emulsion system of oregano essential oil and resveratrol nano-scale micro-embedded emulsion, wherein the concentration of oregano essential oil is 32.5mg / ml, resveratrol The concentration is 40.2ug / ml, an...
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