Medicament composition for treating tinea corporis and preparation method of medicament composition
A composition and drug technology, applied in the field of medicine, can solve the problems of large side effects, easy recurrence, long treatment cycle, etc., and achieve good biological activity, quick effect, and short treatment period
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Embodiment 1
[0012] Example 1 Preparation of Ghost needle grass extract
[0013] Weigh 1kg of fresh root of Ghost needle grass, colloidal grinding treatment, add 1L of phosphate buffer solution (pH 7.2) to the obtained slurry, stir and extract in a water bath at 50°C for 24 hours, filter with four layers of gauze , the filter residue was discarded, and the obtained filtrate was subjected to vacuum rotary evaporation and freeze-drying to obtain 72.5 g of solid, which was ground into a fine powder and passed through a 100-mesh sieve to obtain the extract of Ghost needles. Preparation of phosphate buffer (pH 7.2): Take 250ml of 0.2mol / L potassium dihydrogen phosphate solution and 175ml of 0.2mol / L sodium hydroxide solution, add freshly boiled cold water to dilute to 1L, shake well to get ready.
Embodiment 2
[0014] The preparation of embodiment 2 ointment
[0015] prescription:
[0016] Extract 10g
[0017] Urea 50g
[0018] Carboxymethylcellulose 40g
[0019] Glycerol 200ml
[0020] Propylene glycol 50 ml
[0021] Ethylparaben 2g
[0022] Add water to 1000g
[0023] Preparation process: Dissolve the dry powder of ghost needle grass extract prepared in Example 1 in an appropriate amount of water until the ghost needle grass extract is completely dissolved, then mix carboxymethyl cellulose with propylene glycol and glycerol, Add it into the extract liquid obtained above, stir and mix it evenly, let it swell into a gel, then add it into the aqueous solution containing urea and ethylparaben, and add water to a sufficient amount.
Embodiment 3
[0024] The preparation of embodiment 3 ointment
[0025] prescription:
[0026] Extract 20g
[0027] Urea 50g
[0028] Carboxymethylcellulose 40g
[0029] Glycerol 200ml
[0030] Propylene glycol 50 ml
[0031] Ethylparaben 2g
[0032] Add water to 1000g
[0033] Preparation process: Dissolve the dry powder of ghost needle grass extract prepared in Example 1 in an appropriate amount of water until the ghost needle grass extract is completely dissolved, then mix carboxymethyl cellulose with propylene glycol and glycerol, Add it into the extract liquid obtained above, stir and mix it evenly, let it swell into a gel, then add it into the aqueous solution containing urea and ethylparaben, and add water to a sufficient amount.
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