Novel method for preparing skin-protective composite protein facial mask
A technology of compound protein and protein face, which is applied in the field of preparing skin-friendly compound protein face mask, which can solve the problems of essence residue, environmental pollution, easy deterioration, etc., and achieve the effect of supplementing skin nutrition, simple production process, and reducing fine wrinkles
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Embodiment 1
[0022] A kind of novel method for preparing skin-friendly composite protein facial film, the concrete steps of described method are as follows:
[0023] (1) Preparation of small molecule rice protein peptide solution
[0024] Using commercially available defatted rice protein as raw material, according to the ratio of defatted rice protein mass (kg): pure water volume (L) ratio of 1:8, first pump pure water into the reaction tank, and then at a speed of 2000r / min Put in defatted rice protein under the condition of stirring, add dilute NaOH solution to adjust the pH to 8, then pass steam into the interlayer of the reaction kettle, heat up to 50°C, add 0.5% alkaline protease, carry out enzymatic hydrolysis for 1 hour, and then add 0.5% Flavor protease continued to enzymatically hydrolyze for 2 hours. After the enzymolysis was completed, the solution was pumped into a horizontal screw centrifuge, and centrifuged at a speed of 2500r / min. The centrifuged supernatant and centrifugal...
Embodiment 2
[0032] A kind of new method of preparing skin-friendly composite protein facial mask, same as embodiment 1, wherein:
[0033] In step (1), according to the ratio of defatted rice protein mass (kg): the ratio of pure water volume (L) to 1: 10, first pump pure water into the reaction tank, and then at a rotating speed of 2500r / min Put in defatted rice protein, add dilute NaOH solution while stirring to adjust the pH to 9, then pass steam into the interlayer of the reaction kettle, heat up to 55°C, add 2.5% alkaline protease, carry out enzymatic hydrolysis for 1.5h, and then add 2% flavor The protease continued to enzymatically hydrolyze for 3 hours. After the enzymolysis was completed, the solution was pumped into a horizontal screw centrifuge, and centrifuged at a speed of 3000r / min. The centrifuged supernatant and the centrifugal precipitate were collected respectively. Liquid, which is a small molecule rice protein peptide solution with a molecular weight of 613Da, is used to...
Embodiment 3
[0038] A kind of new method of preparing skin-friendly composite protein facial mask, same as embodiment 1, wherein:
[0039] In step (1), according to the ratio of defatted rice protein mass (kg): the ratio of pure water volume (L) to 1: 12, first pump pure water into the reaction tank, and then at a rotating speed of 3000r / min Put in defatted rice protein, add dilute NaOH solution while stirring to adjust the pH to 10, then pass steam into the interlayer of the reaction kettle, heat up to 60°C, add 4% alkaline protease, carry out enzymatic hydrolysis for 2 hours, then add 3% flavor protease Continue enzymatic hydrolysis for 4h. After the enzymatic hydrolysis is completed, the solution is pumped into a horizontal screw centrifuge, and centrifuged at a speed of 3500r / min. The collected centrifuged supernatant, which is a small molecule rice protein peptide solution with a molecular weight of 500Da, is used For the preparation of complex protein solutions.
[0040] In step (2...
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