Traditional Chinese medicine compound microemulsion gel and preparation method and application thereof
A technology of microemulsion gel and microemulsion, which is applied in the direction of pharmaceutical formulations, non-central analgesics, antipyretics, etc., can solve the problems of skin residues, pollution, energy resource consumption, etc., to facilitate release and transdermal Absorption, Reduces Allergic Reactions, Enhances Therapeutic Effects
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Embodiment 1
[0069] Example 1 Preparation of Huoxue Zhitong Extract
[0070] Huoxue Zhitong ointment (rubber ointment) has been included in the Pharmacopoeia (2010 edition, one part 957 pages, 2015 edition one part, 1294 pages), its prescription and extract preparation method are as follows:
[0071]
[0072] In addition to menthol, borneol, camphor, methyl salicylate, and belladonna liquid extract in the above prescription, the other twenty-three medicinal materials such as Angelica dahurica are crushed into coarse powder, and 90% ethanol is used as a solvent, soaked, percolated, and collected. The percolation solution is recovered from ethanol and concentrated into a clear paste with a relative density of 1.2634 (25° C.), and the belladonna fluid extract is added and stirred evenly to obtain the extract of traditional Chinese medicine. Above-mentioned menthol, borneol, camphor, methyl salicylate, menthol are standby.
Embodiment 2
[0073] Embodiment 2 The preparation example 1 of microemulsion gel for promoting blood circulation and relieving pain of the present invention
[0074] Prescription 1 (according to 100 grams)
[0075]
[0076] Weigh menthol, borneol, camphor, and methyl salicylate according to the prescription in Example 1, first take camphor, menthol, and borneol, mix and grind until partially liquefied, then add methyl salicylate and stir to completely dissolve, as a mixed oil phase .
[0077] Weigh 1.15g of the mixed oil phase, 9.30g of RH40, 4.63g of PEG400, and 0.075g of potassium sorbate and stir for 10 minutes at 20-35°C at a stirring speed of 300-500 rpm, slowly add water, and stir for 10 minutes to balance. Add 1.75 g of the traditional Chinese medicine extract extract prepared in Example 1, stir and balance for 30 minutes, and obtain the microemulsion for promoting blood circulation and relieving pain.
[0078] Then weigh 1.00g of carbomer and 0.05g of edetate disodium, add approp...
Embodiment 3 preparation example 2
[0080] Prescription 2 (according to 100 grams)
[0081]
[0082] Weigh menthol, borneol, camphor, and methyl salicylate according to the prescription in Example 1, first take camphor, menthol, and borneol, mix and grind until partially liquefied, then add methyl salicylate and stir to completely dissolve, as a mixed oil phase .
[0083] Weigh 3.50 g of the Chinese medicine extract prepared in Example 1, 2.30 g of the mixed oil phase, 13.88 g of Tween 80, and 4.62 g of absolute ethanol, and stir at 20-35°C for 40 minutes at a stirring speed of 300-500 rpm After the drug is completely dissolved, slowly add an appropriate amount of water, stir and balance for 20 minutes to obtain blood circulation and pain-relieving microemulsion.
[0084] Then weigh 2.50g of CMC-Na and 0.10g of disodium edetate, add the blood-activating and pain-relieving microemulsion prepared above, fully swell overnight at 20-35°C, add 5.00g of propylene glycol, stir evenly, and the stirring speed is 150-...
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