Natural fresh-keeping antiseptic containing protamine
A protamine and preservative technology, applied in the field of natural food preservatives and natural fresh-keeping preservatives, can solve the problems that natural preservatives are difficult to effectively maintain freshness, natural preservatives are difficult to effectively prolong storage time, etc., and achieve obvious anti-corrosion and fresh-keeping effect. , Good anti-corrosion and fresh-keeping effect, good anti-corrosion and fresh-keeping effect
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Embodiment 1
[0011] Embodiment 1: take carboxymethyl chitosan 0.01KG, tea polyphenols 0.012KG, oxalic acid 0.006KG, they are added to 9KG distilled water, stir 3 minutes at room temperature, then add protamine 0.003KG, make up distilled water to 10L, then stirred at room temperature for 2 minutes, the mixed solution was left to stand for 25 minutes, and then placed in a vacuum concentration tank, concentrated at 10°C to obtain the extract, and finally the extract was dried by a drying tower, after drying It can be pulverized to 100 mesh by a universal pulverizer.
Embodiment 2
[0012] Embodiment 2: take carboxymethyl chitosan 0.015KG, tea polyphenols 0.018KG, oxalic acid 0.008KG, they are added to 9KG distilled water, stir 5 minutes at room temperature, then add protamine 0.005KG, make up distilled water to 10L, then stirred at room temperature for 3 minutes, the mixed solution was left to stand for 50 minutes, and then placed in a vacuum concentration tank, concentrated at 10°C to obtain the extract, and finally the extract was dried by a drying tower, after drying It can be pulverized to 100 mesh by a universal pulverizer.
Embodiment 3
[0013] Embodiment 3: take carboxymethyl chitosan 0.011KG, tea polyphenols 0.0135KG, oxalic acid 0.0065KG, they are added to 9KG distilled water, stir 4 minutes at room temperature, then add protamine 0.0035KG, make up distilled water to 10L, then stirred at room temperature for 3 minutes, the mixed solution was left to stand for 40 minutes, and then placed in a vacuum concentration tank, concentrated at 10°C to obtain the extract, and finally the extract was dried by a drying tower, after drying It can be pulverized to 100 mesh by a universal pulverizer. After a comprehensive comparison, under the same concentration conditions, the natural fresh-keeping preservative 3 prepared in Example 3 has a better fresh-keeping and anti-corrosion effect.
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