A kind of preparation method of composite active packaging film used for fresh-keeping of meat products
A technology for packaging film and meat products, which is applied in the field of preparation of composite active packaging film, can solve the problems of unsatisfactory, poor safety and chemical stability, etc., and achieve the effects of easy film formation, delayed oxidation failure, and high strength
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Embodiment 1
[0029] Composite active packaging film containing mango peel extract for preservation of fresh chicken puree
[0030] Composite active packaging film preparation method is as follows:
[0031] (1) Preparation of mango peel powder: Obtain fresh mango peel from a mango processing company, remove the residual pulp on the peel, and dissolve the starch in distilled water at a temperature of 35°C to wash the mango according to the peel:starch mass ratio of 15:1. Skin. Warm water with starch dissolved can well wash off fruit wax, pesticide and other residues on the surface of mango peel. Put the above-mentioned cleaned mango skin in distilled water, wash it, and cut it into small pieces. Then the peel was dried in a hot air oven at 45°C for 48 hours. Next, the dried mango peel was put into a low-temperature ultrafine pulverizer, and pulverized at 4° C. for 10 minutes to obtain mango peel powder with a particle size of less than 15 μm.
[0032] (2) Preparation of mango peel extrac...
Embodiment 2
[0049] Preservation of fresh minced pork with composite active packaging film containing mango peel extract
[0050] Composite active packaging film preparation method is as follows:
[0051] (1) Preparation of mango peel powder: Obtain fresh mango peel from a mango processing company, remove the residual pulp on the peel, and dissolve the starch in distilled water at a temperature of 35°C to wash the mango according to the peel:starch mass ratio of 15:1. Skin. Warm water with starch dissolved can well wash off fruit wax, pesticide and other residues on the surface of mango peel. Put the above-mentioned cleaned mango skin in distilled water, wash it, and cut it into small pieces. Then the peel was dried in a hot air oven at 45°C for 48 hours. Next, the dried mango peel was put into a low-temperature ultrafine pulverizer, and pulverized at 4° C. for 10 minutes to obtain mango peel powder with a particle size of less than 15 μm.
[0052] (2) Preparation of mango peel extract...
Embodiment 3
[0057] Composite active packaging film containing mango peel extract for preservation of fresh surimi
[0058] Composite active packaging film preparation method is as follows:
[0059] (1) Preparation of mango peel powder: Obtain fresh mango peel from a mango processing company, remove the residual pulp on the peel, and dissolve the starch in distilled water at a temperature of 35°C to wash the mango according to the peel:starch mass ratio of 15:1. Skin. Warm water with starch dissolved can well wash off fruit wax, pesticide and other residues on the surface of mango peel. Put the above-mentioned cleaned mango skin in distilled water, wash it, and cut it into small pieces. Then the peel was dried in a hot air oven at 45°C for 48 hours. Next, the dried mango peel was put into a low-temperature ultrafine pulverizer, and pulverized at 4° C. for 10 minutes to obtain mango peel powder with a particle size of less than 15 μm.
[0060] (2) Preparation of mango peel extract: Put ...
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