A taurine chelated calcium external preparation for rebuilding skin barrier homeostasis and its application
An external preparation, the technology of taurine, which is applied in the directions of skin care preparations, medical preparations without active ingredients, and medical preparations containing active ingredients, etc., can solve the problems such as difficult percutaneous absorption of calcium agents.
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Embodiment 1
[0036] 1. Preparation of chelated calcium taurine: In the experiment, taurine was used as a ligand, and calcium chloride, calcium carbonate, calcium phosphate, calcium hydrogen phosphate, calcium silicate, calcium lactate, calcium propionate, lemon One of calcium gluconate and calcium gluconate is used as a calcium source to provide central ion calcium to prepare amino acid chelated calcium for further experimental research, as follows:
[0037] 1) Weigh 45 g of taurine, dissolve it in a three-necked flask with 150 ml of deionized water, and heat it in a water bath to a constant temperature of 80°C until glutamic acid is completely dissolved;
[0038] 2) Weigh 20g of calcium lactate, completely dissolve in enough water, and adjust the pH to 7.8;
[0039] 3) Slowly add the calcium lactate solution prepared in 2) to the taurine solution in 1) drop by drop, stir gently while adding the calcium lactate solution, and keep a constant temperature during the stirring process;
[0040...
Embodiment 2
[0049] The impact of the content of taurine chelated calcium on the transdermal absorption effect: the transdermal absorption of different concentrations of taurine chelated calcium in the present invention is compared, and the preparation concentration is respectively 0.5%, 1%, 1.5%, 2%. Sulfonic acid chelated calcium solution, using mouse skin as a model, selected 0.9% sodium chloride aqueous solution as the receiving solution, and investigated the comparison of the above-mentioned taurine in the Franz intelligent transdermal diffusion cell without adding a penetration enhancer The transdermal properties of the chelated calcium aqueous solution within 6 hours, the results obtained are shown in the following table:
[0050] Table 1. Transdermal absorption of calcium taurine chelate at different concentrations
[0051]
[0052] As can be seen from the above experimental results, the higher the concentration of taurine chelated calcium, the better the percutaneous absorption...
Embodiment 3
[0054] The influence of the percutaneous absorption effect of taurine chelated calcium and other calcium agents: the comparison of transdermal effect between taurine chelated calcium and other different calcium agents in the present invention, preparation concentration is the same as 2% taurine respectively Acid chelated calcium solution, calcium chloride solution and calcium gluconate solution, using mouse skin as a model, choose 0.9% sodium chloride aqueous solution as the receiving solution, and investigate the conditions without adding a penetration enhancer in the Franz intelligent transdermal diffusion cell Next, the transdermal performance of the above solution within 6h, the results are as follows:
[0055] Table 2. Comparison of percutaneous absorption effects of calcium taurine chelate-calcium chloride-calcium gluconate
[0056] time / h Calcium Taurine Chelate calcium chloride calcium gluconate 0.25 4.8193 0.1837 0.6608 0.5 5.9813 0.3479 1...
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