Effective cowberry part for treating respiratory tract disease and its prepn process
An effective part, the technology of arbutin, applied to the effective part of lingonberry for treating respiratory diseases and its preparation field
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preparation example Construction
[0013] Preparation method of the present invention, it comprises the following steps:
[0014] a) Weigh the crude drug bilberry, take the coarse powder of the medicinal material, and carry out reflux extraction with 70-95% ethanol, recover the ethanol from the extract, add water to precipitate to remove chlorophyll, filter, and concentrate under reduced pressure to an extract with a relative density of 1.35.
[0015] b) Take the above-mentioned extract and put it on a macroporous resin column, wash it with 0.1-4.5 times the column volume of water, then elute with 2-12 times the column volume of 10-70% ethanol solution, recover the solvent under reduced pressure until dry, and store at 45-50°C The dried extract is used to make the active ingredient of the medicine of the present invention.
[0016] Said wherein the extract prepared in step b) is mixed with common capsule excipients, granulated, and packed into capsules.
[0017] The effective part extracted from the bilberry c...
Embodiment 1
[0019] The preparation of medicine blueberry capsule of the present invention
[0020] a) Weigh 30 g of the crude drug Vaccinium bilberry, take the coarse powder of the medicinal material and carry out reflux extraction with 80-95% ethanol, recover the ethanol from the extract, add water to precipitate to remove chlorophyll, filter, and concentrate under reduced pressure to an extract with a relative density of 1.35.
[0021] b) Take the above extract and put it on a macroporous resin column, wash it with 1-2 times the column volume of water, then elute with 6-8 times the column volume of 20-30% ethanol solution, recover the solvent under reduced pressure until dry, and store at 45-50°C Dry the extract.
[0022] c) The extract is pulverized, mixed with appropriate auxiliary materials, and packed into hard gelatin capsules.
Embodiment 2
[0024] The preparation of medicine bilberry gum granule of the present invention
[0025] a) Weigh 30 g of the crude drug Vaccinium bilberry, take the coarse powder of the medicinal material, and use 70-95% ethanol to carry out reflux extraction, recover the ethanol from the extract, add water to precipitate to remove chlorophyll, filter, and concentrate under reduced pressure to an extract with a relative density of 1.35.
[0026] b) Take the above extract and put it on a macroporous resin column, wash it with 1-2 times the column volume of water, then elute with 6-8 times the column volume of 20-50% ethanol solution, recover the solvent under reduced pressure until dry, and store at 45-50°C Dry the extract.
[0027] c) crush the extract, add ethanol as a binder, add dextrin as a filler, and press into granules.
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