A kind of colloidal sulfur liquid dressing and preparation method thereof
A technology of liquid dressing and colloidal sulfur, which is applied in the field of medicine and can solve problems such as inability to maintain efficacy for a long time, poor durability, and adverse skin reactions
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Embodiment 1
[0067] One, the preparation of rhubarb total anthraquinone
[0068] (1) The rhubarb medicinal material is pulverized and passed through a 40-mesh sieve to form rhubarb medicinal material powder;
[0069] (2) Calcium hydroxide is added and dissolved and the supernatant is taken for subsequent use;
[0070] (3) The rhubarb medicinal material powder is extracted twice with the calcium hydroxide supernatant ultrasonically, the first extraction is 40 minutes, and the second extraction is 20 minutes, wherein the mass ratio of the rhubarb medicinal material powder to the calcium hydroxide supernatant is 1:5 ;
[0071] (4) filter, merge filtrate, ultrafiltration concentrates;
[0072] (5) adjust the pH to 3 with hydrochloric acid, precipitate, and filter the precipitate;
[0073] (6) Precipitate and freeze-dry to obtain red rhubarb total anthraquinone powder;
[0074] (7) The purity of the total anthraquinones in rhubarb was detected to be 91.6%.
[0075] Two, the preparation of ...
Embodiment 2
[0084] One, the preparation of rhubarb total anthraquinone
[0085] (1) The rhubarb medicinal material is pulverized and passed through a 40-mesh sieve to form rhubarb medicinal material powder;
[0086] (2) Calcium hydroxide is added and dissolved and the supernatant is taken for subsequent use;
[0087] (3) The rhubarb medicinal material powder is extracted twice with the calcium hydroxide supernatant ultrasonically, the first extraction is 40 minutes, and the second extraction is 20 minutes, wherein the mass ratio of the rhubarb medicinal material powder to the calcium hydroxide supernatant is 1:5 ;
[0088] (4) filter, merge filtrate, ultrafiltration concentrates;
[0089] (5) adjust the pH to 3 with hydrochloric acid, precipitate, and filter the precipitate;
[0090] (6) Precipitate and freeze-dry to obtain red rhubarb total anthraquinone powder;
[0091] (7) The purity of the total anthraquinones in rhubarb was detected to be 91.6%.
[0092] Two, the preparation of ...
Embodiment 3
[0102] One, the preparation of rhubarb total anthraquinone
[0103] (1) The rhubarb medicinal material is pulverized and passed through a 40-mesh sieve to form rhubarb medicinal material powder;
[0104] (2) Calcium hydroxide is added and dissolved and the supernatant is taken for subsequent use;
[0105] (3) The rhubarb medicinal material powder is extracted twice with the calcium hydroxide supernatant ultrasonically, the first extraction is 40 minutes, and the second extraction is 20 minutes, wherein the mass ratio of the rhubarb medicinal material powder to the calcium hydroxide supernatant is 1:5 ;
[0106] (4) filter, merge filtrate, ultrafiltration concentrates;
[0107] (5) adjust the pH to 3 with hydrochloric acid, precipitate, and filter the precipitate;
[0108] (6) Precipitate and freeze-dry to obtain red rhubarb total anthraquinone powder;
[0109] (7) The purity of the total anthraquinones in rhubarb was detected to be 91.6%.
[0110] Two, the preparation of ...
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