Method for preserving small yellow croaker by combining partial freezing and composite preservative
A composite fresh-keeping and small yellow croaker technology, which is applied in the preservation of food ingredients as antimicrobials, food ingredients, and chemical preservation of meat/fish, etc., can solve the problems of short refrigeration and fresh-keeping time of small yellow croaker, and achieve high food safety and guarantee integrity. performance, good fresh-keeping performance
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Embodiment 1
[0023] A method for partially freezing small yellow croaker combined with a composite preservative for fresh-keeping, the method comprises the following steps:
[0024] 1) Fresh small yellow croaker is washed with ice water and then immersed in neutral electrolyzed water at 0-4°C for 5 minutes and drained for use; among them, the small yellow croaker is immersed in neutral electrolyzed water while ultrasonically oscillating, with an ultrasonic power of 45kw; the pH of the neutral electrolyzed water is 6, the redox potential is 750mv, and the available chlorine content is 33mg / L;
[0025] 2) The small yellow croaker obtained in step 1) was immersed in the composite preservative solution for 5 minutes, removed and drained and put into a PE packaging bag; the composite preservative was composed of the following components by weight: 0.1% lysozyme, 2% casein acid Sodium, 3% B vitamins 2 , 0.5% erythritol, 3% mushroom fruit and vegetable extract, 3% marine oligosaccharide, 0.5% ta...
Embodiment 2
[0030] A method for partially freezing small yellow croaker combined with a composite preservative for fresh-keeping, the method comprises the following steps:
[0031] 1) Fresh small yellow croaker is washed with ice water and then immersed in neutral electrolyzed water at 0-4°C for 8 minutes and drained for use; among them, the small yellow croaker is immersed in neutral electrolyzed water while ultrasonically oscillating, with an ultrasonic power of 50kw; the pH of the neutral electrolyzed water is 6.2, the redox potential is 770mv, and the available chlorine content is 34mg / L;
[0032] 2) The small yellow croaker obtained in step 1) was immersed in the composite preservative solution for 7 minutes, taken out and drained and put into a PE packaging bag; the composite preservative was composed of the following components by weight: 0.2% lysozyme, 2.3% casein acid Sodium, 5% B vitamins 2 , 0.8% erythritol, 4% mushroom fruit and vegetable extract, 5% marine oligosaccharide, 0...
Embodiment 3
[0037] A method for partially freezing small yellow croaker combined with a composite preservative for fresh-keeping, the method comprises the following steps:
[0038] 1) Fresh small yellow croaker is washed with ice water and then immersed in neutral electrolyzed water at 0-4°C for 10 minutes and drained for use; among them, the small yellow croaker is immersed in neutral electrolyzed water while ultrasonically oscillating, with an ultrasonic power of 55kw; the pH of the neutral electrolyzed water is 6.5, the redox potential is 800mv, and the available chlorine content is 35mg / L;
[0039] 2) The small yellow croaker obtained in step 1) was immersed in the composite preservative solution for 10 minutes, removed and drained and put into a PE packaging bag; the composite preservative was composed of the following components by weight: 0.25% lysozyme, 2.5% casein acid Sodium, 8% B vitamins 2 , 1% erythritol, 5% mushroom fruit and vegetable extract, 6% marine oligosaccharide, 1....
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