Milkwort extract, its preparation method and application
A technology of extract and polygala, applied in the field of polygala extract, can solve the problems of low safety and no effective parts of polygala to prepare safe, effective, stable and controllable products, etc., and achieves high safety, clear and controllable efficacy. strong effect
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Embodiment 1
[0025] Example 1 Preparation of Polygala extract of the present invention
[0026] Take the coarse powder of Polygala medicinal material, decoct and extract 3 times with 8 times the amount of water, each time for 2 hours, filter, combine the extracts, concentrate to a solution with a relative density of 1.03-1.05 (50°C thermal measurement), let cool, add water Its concentration is adjusted to be 0.25g / L (containing crude drug polygala amount is 0.25g in every 1L medicinal liquid), leave standstill overnight, filter, pass through the well-processed D101 type macroporous adsorption resin column (the ratio of resin amount and crude drug amount is 3:10), eluted with water 3BV, discarded the water, then eluted with 30% ethanol 3BV, discarded the 30% ethanol eluate, followed by elution with 70% ethanol 3BV, collected the eluate, and decompressed Recover the ethanol, continue to concentrate to a clear paste with a relative density of 1.15 (by heat measurement at 50°C), and spray dry ...
Embodiment 2
[0027] Embodiment 2 Preparation of pharmaceutical capsules of the present invention
[0028] a. The amount of raw materials and auxiliary materials: 225 g of total saponins of polygala (prepared according to the method of Example 1), 25 g of starch, made into 1000 grains;
[0029] b. The yield of polygala extract is 3%. The extract is mixed with auxiliary materials, sieved through a 60-mesh sieve, and filled into No. 1 capsules to obtain 1000 capsules. The specification is 0.25g per capsule, 2 capsules per serving.
Embodiment 3
[0030] Embodiment 3 Preparation of pharmaceutical tablet of the present invention
[0031] a, the amount of raw materials and auxiliary materials: 225g of total saponins of polygala (prepared according to the method of Example 1), 25g of microcrystalline cellulose, made into 1000 tablets;
[0032] b. The yield of Polygala extract is 3%. The extract is mixed with auxiliary materials, sieved through a 40-mesh sieve, and directly compressed into tablets to obtain 1000 tablets, the specification is 0.25g per tablet, and 2 tablets are taken each time. Or crush the extract into fine powder, mix with auxiliary materials, moisten with ethanol and granulate, make granules and press into tablets to obtain.
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