Combined medicine for treating acne and preparation method thereof
A medicine and a technology for acne are applied in the field of combination medicine for treating acne and its preparation, which can solve the problems of unclear pharmacological action mechanism and low strength, and achieve the effects of avoiding acne recurrence, improving membrane permeability and improving efficiency.
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Embodiment 1
[0035] Preparation of orange peel extract
[0036] (1) Take the dried orange peel and put it in a high-speed pulverizer to pulverize it evenly, add 8mL / g orange peel powder with a concentration of 95% ethanol, keep it warm at 60°C for 2h, cool it to room temperature and carry out suction filtration, and put the filtrate in Vacuum concentration at 50°C to recover ethanol, repeated washing with petroleum ether, centrifugal separation, and vacuum concentration to completely remove ethanol to obtain orange peel extract;
[0037] Preparation of Esterified Mangiferin
[0038] (2) Add 1.5% by volume of 98% H 2 SO 4 After dripping, add 1g / 10mL mangiferin of acetic anhydride, mix well to form a suspension; put this suspension in a 40°C electric heating constant temperature water bath, keep this temperature for 18h, and stir from time to time during the period to make the mangiferin All dissolved; after the reaction was completed, the reaction solution was directly poured into 10L of...
Embodiment 2
[0046] Preparation of orange peel extract
[0047] (1) Take the dried orange peel and put it in a high-speed pulverizer to pulverize it evenly, add 15mL / g orange peel powder with a concentration of 95% ethanol, keep it warm at 60°C for 4h, cool it to room temperature and carry out suction filtration, and put the filtrate in Vacuum concentration at 50°C to recover ethanol, repeated washing with petroleum ether, centrifugal separation, and vacuum concentration to completely remove ethanol to obtain orange peel extract;
[0048] Preparation of Esterified Mangiferin
[0049] (2) Add 2.5% by volume of 98% H 2 SO 4 After dripping, add 5g / 10mL mangiferin of acetic anhydride, mix well to form a suspension; put this suspension in a 40°C electric heating constant temperature water bath, keep this temperature for 18h, and stir from time to time during the period to make the mangiferin All dissolved; after the reaction was completed, the reaction solution was directly poured into 10L o...
Embodiment 3
[0057] Preparation of orange peel extract
[0058] (1) Take the dried orange peel and put it in a high-speed pulverizer to pulverize it evenly, add 10mL / g orange peel powder with a concentration of 95% ethanol, keep it warm at 60°C for 3h, cool it to room temperature and carry out suction filtration, and put the filtrate in Vacuum concentration at 50°C to recover ethanol, repeated washing with petroleum ether, centrifugal separation, and vacuum concentration to completely remove ethanol to obtain orange peel extract;
[0059] Preparation of Esterified Mangiferin
[0060] (2) In a water bath at room temperature and under constant stirring, add 2% by volume of 98% H 2 SO 4 After dripping, add 4g / 10mL mangiferin of acetic anhydride, mix well to form a suspension; put this suspension in a 40°C electric heating constant temperature water bath, keep this temperature for 18h, stir from time to time during the period to make the mangiferin All dissolved; after the reaction was comp...
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