Preparation method of sheep placenta anti-oxidation emulsion
A technology of sheep placenta and anti-oxidation, which is applied in the field of preparation of sheep placenta anti-oxidation emulsion, can solve the problems of insignificant skin care effects, etc., and achieve the effects of eliminating skin spots, regulating body immunity, and nourishing the skin
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[0023] A preparation method of sheep placenta antioxidant emulsion, comprising the following steps:
[0024] Step 1: Thaw the fresh sheep placenta, rinse it with normal saline, cut it into pieces, and remove the fascia and blood vessels;
[0025] Step 2: Prepare a 10% homogenate solution through a tissue homogenizer, freeze and thaw repeatedly 3 times, freeze and centrifuge, collect the precipitate and freeze-dry it, grind it with a pulverizer after freeze-drying, and pass through a 60-mesh sieve to obtain sheep placenta powder;
[0026] Step 3: Take sheep placenta powder, add 80% by mass of deionized water and stir, pretreat at 90°C, cool down to 50°C, adjust pH to 7 with 0.2mol / L NaOH, add 1% by mass of protease enzyme, Enzymolysis reaction for 20 minutes, after the reaction was completed, the enzyme was inactivated in a boiling water bath, after cooling to room temperature, the pH was adjusted to neutral with NaOH / HCl, centrifuged at 8000r / min for 20 minutes, and the supern...
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