Pearil starch with sunscreen effect
A technology of starch and microparticles, which is applied in the field of microparticle starches, can solve the problems of airtightness of the facial skin, easy to stick powder, and not beautiful enough, and achieve the effects of inhibiting excessive secretion of oil, regulating human endocrine, and outstanding sun protection effect
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Embodiment 1
[0052] A kind of granular starch with sunscreen effect is prepared by the following method:
[0053] 1) Picking plant raw materials gentian root, ferulicum root, and Potentilla root, washed, discolored and deteriorated parts, insect damage, sick and disabled parts;
[0054] 2), take the selected plant raw materials and weigh 100g of gentian root, 3000g of ferulicum root, and 100g of Potentilla root with a homogenizer, add 5 times the weight of purified water, and mix evenly;
[0055] 3), add an equal volume of 5% sodium bisulfite solution, mix well to form a suspension;
[0056] 4), stand still, pour out the suspension in the upper volume, and let the suspension stand for 4 hours;
[0057] 5) Pour off the upper suspension, add an equal volume of pure water, stir continuously until uniform, and let stand for 4 hours;
[0058] 6) Repeat step 5 until the supernatant is tested with barium chloride until it shows no sodium bisulfite, take out the lower part of the starch, and dry...
Embodiment 2
[0060] A kind of granular starch with sunscreen effect is prepared by the following method:
[0061] 1) Picking plant raw materials gentian root, ferulicum root, and Potentilla root, washed, discolored and deteriorated parts, insect damage, sick and disabled parts;
[0062] 2), weigh 1000g of gentian root, 1000g of ferulicum root, and 1000g of Potentilla root with a homogenizer to crush the selected plant raw materials into slurry, add 10 times the weight of pure water, and mix evenly;
[0063] 3), add an equal volume of 10% sodium bisulfite solution, mix evenly to form a suspension;
[0064] 4), stand still, pour out the suspension in the upper volume, and let the suspension stand for 4 hours;
[0065] 5) Pour off the upper suspension, add an equal volume of pure water, stir continuously until uniform, and let stand for 4 hours;
[0066] 6) Repeat step 5 until the supernatant is tested with barium chloride until it shows no sodium bisulfite, take out the lower part of the s...
Embodiment 3
[0068] A kind of granular starch with sunscreen effect is prepared by the following method:
[0069]1) Picking plant raw materials gentian root, ferulicum root, and Potentilla root, washed, discolored and deteriorated parts, insect damage, sick and disabled parts;
[0070] 2), take the selected plant raw materials and weigh 500g of gentian root, 2000g of ferulicum root, and 500g of Potentilla root with a homogenizer, add 7 times the weight of pure water, and mix evenly;
[0071] 3), add an equal volume of 7% sodium bisulfite solution, mix evenly to form a suspension;
[0072] 4), stand still, pour out the suspension in the upper volume, and let the suspension stand for 4 hours;
[0073] 5) Pour off the upper suspension, add an equal volume of pure water, stir continuously until uniform, and let stand for 4 hours;
[0074] 6) Repeat step 5 until the supernatant is tested with barium chloride until it shows no sodium bisulfite, take out the lower part of the starch, and dry it...
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