A kind of preparation method of plant placenta
A technology of plant placenta and lotus placenta, which is applied in skin care preparations, pharmaceutical formulas, cosmetic preparations, etc., to achieve effective transdermal absorption, increase anti-oxidation and stability, and small molecular weight
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Embodiment 1
[0018] Embodiment 1: the preparation method of this plant placenta comprises the following steps:
[0019] (1) Remove impurities from the fresh water lily placenta, clean it, drain the water and beat for 3 minutes at a speed of 18,000r / min, then ultrasonically treat it at 200w for 12 minutes under a stirring state of a speed of 30r / min, and then beat it at a speed of 20,000r / min High-speed homogenization for 7 minutes;
[0020] (2) Centrifuge the homogenized suspension at a high speed of 10000r / min for 3min, and take the supernatant for later use;
[0021] (3) Measure the pH of the supernatant in step (2), then adjust the pH of the supernatant to 4, increase the temperature of the solution at 40°C, add activated carbon with 1% of the solution mass and stir at 50r / min for decolorization treatment, and the treatment time For 30min, then adjust the pH of the solution to the pH of the supernatant with sodium hydroxide;
[0022] (4) Select a dialysis membrane with a molecular cut...
Embodiment 2
[0026] Embodiment 2: the preparation method of this plant placenta comprises the following steps:
[0027] (1) Remove impurities from the fresh water lily placenta, clean it, drain the water and beat for 2 minutes at a speed of 25000r / min, then ultrasonically treat it at 400w for 10min under a stirring state of a speed of 50r / min, and then beat it at a speed of 21000r / min Homogenize at high speed for 5 minutes;
[0028] (2) Centrifuge the homogenized suspension at a high speed of 20000r / min for 2min, and take the supernatant for later use;
[0029] (3) Measure the pH of the supernatant in step (2), then adjust the pH of the supernatant to 3, increase the temperature of the solution at 50°C, add activated carbon with 0.5% of the solution mass and stir at 30r / min for decolorization treatment, and the treatment time For 50min, then adjust the pH of the solution to the pH of the supernatant with sodium hydroxide;
[0030] (4) Select a dialysis membrane with a molecular cut-off o...
Embodiment 3
[0034] Embodiment 3: the preparation method of this plant placenta and compound solution comprises the following steps:
[0035] (1) Remove impurities from the fresh water lily placenta, clean it, drain the water and beat for 3 minutes at a speed of 30,000r / min, then ultrasonically treat it at 600w for 8 minutes under a stirring state of a speed of 70r / min, and then beat it at a speed of 22000r / min Homogenize at high speed for 5 minutes;
[0036] (2) Centrifuge the homogenized suspension at a high speed at 40000r / min for 3min, and take the supernatant for later use;
[0037] (3) Measure the pH of the supernatant in step (2), then adjust the pH of the supernatant to 5, increase the temperature of the solution at 45°C, add activated carbon with 0.8% of the solution mass and stir at 80r / min for decolorization treatment, and the treatment time For 30min, then adjust the pH of the solution to the pH of the supernatant with sodium hydroxide;
[0038] (4) Select a dialysis membrane...
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