Whey protein isolate nanofiber/carbon nanotube composite material and preparation method thereof
A whey protein isolate and carbon nanotube technology, which is applied in the field of whey protein isolate nanofiber/carbon nanotube composite materials and their preparation, and can solve the problems of in vivo research or in vitro research that have not been reported.
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[0030] A preparation method of whey protein isolate nanofiber / carbon nanotube composite material, comprising the following steps:
[0031] (1) Preparation of whey protein isolate nanofiber solution:
[0032] Stir and dissolve whey protein isolate with a protein content of 97.80% and no lecithin in deionized water to prepare a stock solution with a mass concentration of 6 wt%;
[0033] Add 1M hydrochloric acid solution to adjust the pH value of the stock solution to 4.75;
[0034] Then the stock solution with a pH value of 4.75 was put into a centrifuge at 10000rpm and centrifuged for 60min;
[0035] Filter the supernatant with a supply syringe filter with a pore size of 0.45 μm;
[0036] The pH value of the filtered supernatant was adjusted to 2 with 6M hydrochloric acid solution;
[0037] Determine the protein concentration of the supernatant using a UV spectrophotometer and a calibration curve of known whey protein isolate concentrations at a wavelength of 278 nm;
[003...
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