Preparation method and application of ternary polypeptide nanoparticles based on yak bone peptide
A nanoparticle and yak bone technology, applied in the fields of application, nanotechnology, nanotechnology, etc., to achieve the effects of low energy consumption, strong stability, and good application value
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Embodiment 1
[0051] This embodiment provides a method for preparing ternary polypeptide nanoparticles based on yak bone peptide, the steps are as follows:
[0052] (1) Alkali adjustment and dissolution: add yak bone peptide, rice protein and casein to 100 times the mass of distilled water at a mass ratio of 1:1:0.5, and add an appropriate amount of 1mol / L sodium hydroxide aqueous solution dropwise to adjust the system The pH is 12, fully stirred to dissolve;
[0053] (2) Structure unfolding: the feed liquid obtained in step (1) was uniformly stirred for 60 minutes at a stirring rate of 600 r / min, so that the advanced spatial structure of yak bone peptide, rice protein and casein was fully developed;
[0054] (3) Co-frame combination: Add an appropriate concentration of 0.1mol / L hydrochloric acid aqueous solution dropwise to the feed liquid obtained in step (2), adjust the pH of the system to 7, and stir evenly for 60min at a stirring rate of 600r / min, so that Different proteins in the unf...
Embodiment 2
[0060] This embodiment provides a method for preparing ternary polypeptide nanoparticles based on yak bone peptide, the steps are as follows:
[0061] (1) Alkali adjustment and dissolution: add yak bone peptide, rice protein and casein to 100 times the mass of distilled water at a mass ratio of 1:1:0.75, add dropwise an appropriate amount of calcium hydroxide aqueous solution with a concentration of 0.5mol / L, and adjust The pH of the system is 11.5, fully stir to dissolve;
[0062] (2) Structure unfolding: the feed liquid obtained in step (1) was uniformly stirred for 55 minutes at a stirring rate of 650 r / min, so that the advanced spatial structure of yak bone peptide, rice protein and casein was fully developed;
[0063] (3) co-frame combination: in the feed liquid obtained in step (2), it is 0.05mol / L citric acid aqueous solution to drop an appropriate concentration, and the pH of the adjustment system is 6, and it is uniformly stirred for 55min at a stirring speed of 650r / ...
Embodiment 3
[0069] This embodiment provides a method for preparing ternary polypeptide nanoparticles based on yak bone peptide, the steps are as follows:
[0070] (1) Alkali adjustment and dissolution: add yak bone peptide, rice protein and casein to 100 times the mass of distilled water at a mass ratio of 1:1:1, and add an appropriate amount of 0.1mol / L potassium hydroxide aqueous solution dropwise to adjust The pH of the system is 12, fully stir to dissolve;
[0071] (2) Structure unfolding: the feed liquid obtained in step (1) was evenly stirred for 50 minutes at a stirring rate of 700 r / min, so that the advanced spatial structure of yak bone peptide, rice protein and casein was fully developed;
[0072] (3) Co-frame combination: Add an appropriate amount of 0.01mol / L acetic acid aqueous solution dropwise to the feed liquid obtained in step (2), adjust the overall pH to 8, and stir evenly for 50min at a stirring rate of 700r / min, so that the unfolded The interaction between different ...
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