Compound haqing rectal administration preparation and preparation method thereof
A compound clam green and rectal administration technology, which is applied in the field of medicine, can solve the problems of hepatic and intestinal first-pass effect, low bioavailability, increased drug cost for patients, and low dissolution rate, so as to overcome pain and adverse consequences and maintain drug efficacy The effect of long time, easy to carry and use
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Embodiment 1
[0023] 1. Preparation of compound clam green extract:
[0024] Take 40 parts of toad, 50 parts of astragalus, 20 parts of ginkgo, 25 parts of bitter almond, 25 parts of aster, 15 parts of Peucedanum, 15 parts of schisandra, 5 parts of aconite, and 5 parts of black pepper.
[0025] Add water to decoct the medicinal materials twice, the first time for 2 hours, the second time for 1 hour, combine the decoction and filter, and concentrate the filtrate to a thick paste with a relative density of 1.3-1.35. Add ethanol to the thick ointment for three extractions, the amount of ethanol added three times is 60%, 70%, and 80% respectively, let it stand, filter, recover the ethanol, concentrate and dry, crush and pass through a No. 8 sieve to obtain the compound clam green extract .
[0026] 2. Matrix: The choice of matrix can be one or more of lipophilic matrix or hydrophilic matrix. The lipophilic base includes mixed fatty acid glycerides, semi-synthetic fatty acid glycerides, oils s...
Embodiment 2
[0030] suppositories
[0031] 1. Preparation of the compound clam green extract: According to the extract preparation method of Example 1, about 20 g of the extract containing 9 traditional Chinese medicine active pharmaceutical ingredients were prepared in advance for later use.
[0032] 2. Matrix: 36 type mixed fatty acid glycerides, polyoxyethylene (40) monostearate, polyethylene glycol 4000, polyethylene glycol 6000, polyethylene glycol 20000, glycerin gelatin
[0033] 3. Proportion: take g as the unit, by weight, make 100 pieces with drug extract: matrix = 1:1~1:9, that is, each piece contains 0.2g of compound clam green extract, which is equivalent to the original medicinal material 2.0g.
[0034] 4. Accurately weigh the base material according to the ratio given in the formula, heat and melt at 55-60°C, filter and add the prescribed amount of compound clam green extract at 50-55°C with heat preservation and stirring, mix well, and pour into the mold After condensation...
Embodiment 3
[0051] gel
[0052] Prescription: Toad 24g, Astragalus 30g, Ginkgo 12g, Bitter almond 15g, Aster 15g, Peucedanum 9g, Schisandra 9g, Aconite 3g, Black pepper 3g
[0053] Preparation method: (1) Preparation of compound clam green extract: according to Example 1, 12 g of compound clam green extract containing 9 active ingredients of traditional Chinese medicines were prepared in advance for use.
[0054] (2) Swell 0.5g of carbomer in 78g of purified water, let it stand until the swelling is complete, add triethanolamine to adjust the pH value to 4-7, and add 10g of propylene glycol to make a matrix for later use; mix the compound clam green extract with the above The matrix is mixed evenly, divided into packages, and ready to serve.
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