Preparation and application of a squid ink melanin chelated calcium tablet
A technology for ink melanin and melanin, which is applied in the field of preparation and application of squid ink melanin chelated calcium tablets, can solve the problems of easy moisture absorption and deterioration, poor taste, affecting quality, etc., and achieves good stability, controllable quality, and production. Process feasible effect
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Embodiment 1
[0019] A kind of preparation and application of squid ink melanin chelated calcium tablet comprises the following steps:
[0020] 1) Take the squid and get the ink, soak it in an equal volume of pure water at 4°C overnight, centrifuge at 11,000r / min for 10 minutes, add alkaline protease to hydrolyze, then heat up to inactivate the enzyme, centrifuge at 12,000r / min for 10 minutes, wash repeatedly, and centrifuge until neutral , take the precipitate and dry it at 65°C to obtain melanin; 2) add neutral protease and flavor enzyme to the squid meat to hydrolyze and inactivate, and filter to obtain the hydrolyzate; take 1ml 0.1mol / L ferric chloride solution and add it to 100ml hydrolyze Add 0.1 g of ascorbic acid to the solution, adjust the pH to 7, and the temperature to 20°C, magnetic stirring for chelation for 15 minutes, centrifugation to remove the precipitate, concentration, freeze-drying, and storage in a desiccator at 0°C for later use; 3) Pipette 9 mmol / L Calcium chloride ...
Embodiment 2
[0023] A preparation and application of a squid ink melanin chelated calcium tablet, comprising: obtaining ink melanin, preparation of polypeptide chelated iron, chelation, tablet preparation, and application, specifically including the following steps:
[0024] 1) Obtain ink melanin: cut open the abdomen of the squid, take out the ink sac, cut open the sac, squeeze out the ink, soak in 4°C equal volume of pure water overnight, centrifuge at 12000r / min for 25 minutes, adjust the pH to 7.5, and the temperature to 55°C, add alkaline protease 4500U / g, then add 0.5% of the ink weight 4-hydroxyphenylethanol, hydrolyze for 2 hours, then heat up to inactivate the enzyme, centrifuge at 14000r / min for 15 minutes, wash repeatedly, centrifuge until neutral, and take the precipitate The product is dried at 75°C to obtain melanin; enzymatic extraction of squid ink melanin has a good hydrolysis effect, is simple and easy to operate, avoids the use of toxic organic solvents, is environmentall...
Embodiment 3
[0029] A preparation and application of squid ink melanin chelated calcium tablet, comprising: obtaining ink melanin, preparation of polypeptide chelated iron, preparation of polypeptide chelated calcium, tablet preparation and application, specifically including the following steps:
[0030] Obtain ink melanin: cut open the abdomen of squid, take out the ink sac, cut the sac membrane, squeeze out the ink, soak in 2°C equal volume of pure water overnight, centrifuge at 12000r / min for 15 minutes, adjust the pH to 7.4, and the temperature to 52°C , add alkaline protease 4200U / g, then add 0.7% of ink weight 4-hydroxyphenylethanol, hydrolyze for 3 hours, then raise the temperature to inactivate the enzyme, centrifuge at 14000r / min for 15 minutes, repeatedly wash with water, centrifuge until neutral, take the precipitate in Dried at 70°C to obtain melanin; enzymatic extraction of squid ink melanin has a good hydrolysis effect, simple operation, avoids the use of toxic organic solven...
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