Preparation method of collagen
A collagen and mass ratio technology, applied in the field of biotechnology, can solve the problem of low protein purity, and achieve the effect of improving the purity and strengthening the effect of enzymatic hydrolysis
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[0023] The preparation method of the immobilized enzyme is as follows: polyacrylamide, water and activated carbon are mixed according to the mass ratio of 1:20:4-6, then the mixed enzyme is added, stirred, genipin with 2-4% of the activated carbon mass is added, stirred, and static place, and freeze-dry to obtain the immobilized enzyme;
[0024] The mixed enzyme is formed by mixing pepsin and trypsin at a mass ratio of 1:1-3; the amount of mixed enzyme added is 10-15% of the mass of activated carbon;
[0025] A preparation method of collagen, the preparation method comprising the steps of:
[0026] (1) Dry the fish scales at 50°C for 20 minutes, crush them at 500r / min for 10 minutes, collect the crushed matter, put the crushed matter and mixed solvent in a ball mill at a mass ratio of 4 to 6:2, and perform ball milling at 600r / min for 15 minutes. Collect ball mills;
[0027] (2) Put the ball mill into a steam explosion device for steam explosion. The condition of steam explo...
Embodiment 1
[0031] The mixed solvent is formed by mixing ethanol and acetone in a volume ratio of 5:3;
[0032] The mixed acid is prepared by mixing citric acid, humic acid and water in a mass ratio of 6:2:18;
[0033] The washing solvent is ethylene glycol;
[0034] The preparation method of the immobilized enzyme is: mix polyacrylamide, water and activated carbon according to the mass ratio of 1:20:6, then add the mixed enzyme, stir, add genipin with 4% active carbon mass, stir, stand still, freeze-dry , to obtain immobilized enzyme;
[0035] The mixed enzyme is a mixture of pepsin and trypsin at a mass ratio of 1:3; the amount of mixed enzyme added is 15% of the mass of activated carbon;
[0036] A preparation method of collagen, the preparation method comprising the steps of:
[0037] (1) Dry fish scales at 50°C for 20 minutes, pulverize at 500r / min for 10min, collect the pulverized product, put the pulverized product and mixed solvent in a ball mill at a mass ratio of 6:2, perform...
Embodiment 2
[0042] The mixed solvent is formed by mixing ethanol and acetone in a volume ratio of 5:2;
[0043] The mixed acid is prepared by mixing citric acid, humic acid and water in a mass ratio of 5:2:17;
[0044] The washing solvent is 1.2mol / L ethanol solution;
[0045] The preparation method of the immobilized enzyme is as follows: mix polyacrylamide, water and activated carbon in a mass ratio of 1:20:5, then add the mixed enzyme, stir, add genipin with 3% active carbon mass, stir, stand still, freeze-dry , to obtain immobilized enzyme;
[0046] The mixed enzyme is formed by mixing pepsin and trypsin at a mass ratio of 1:2; the added amount of the mixed enzyme is 13% of the mass of activated carbon;
[0047] A preparation method of collagen, the preparation method comprising the steps of:
[0048](1) Dry fish scales at 50°C for 20 minutes, pulverize at 500r / min for 10min, collect the pulverized material, put the pulverized material and mixed solvent in a ball mill at 600r / min f...
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