Process for extracting fructus ligustri lucidi and Radixa stragali polysaccharide, the products and application thereof
An extraction process and polysaccharide extraction technology, applied in the field of pharmaceuticals, can solve the problems of extraction and application of Zhenqi polysaccharides that have not been seen, and achieve the effect of simple method and low cost
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Embodiment 1
[0161] Calculated by weight percentage, take the prescribed amount of Astragalus membranaceus and Ligustrum lucidum, crush them into coarse powder, add 10 times the amount of water and decoct them under normal pressure for 3 times, each time for 120 minutes, combine the decocting liquid, filter, and decoct zhenqi polysaccharide solution, for later use; take the above-mentioned chastity polysaccharide extract, concentrate to 60°C and measure the relative density of 1.10-1.15, add 95% ethanol to make the alcohol content to 95%, let it stand, filter, and wash the precipitate with 95% ethanol, evaporate the precipitate Use up ethanol, add water and stir to dissolve, let stand, filter, and concentrate the filtrate to 60°C to measure the relative density of 1.10-1.15, add 95% ethanol to make the alcohol content to 80%, let stand, filter, and use 80% for precipitation Wash with ethanol, evaporate the ethanol from the precipitate, add water and stir to dissolve, let stand, filter, conc...
Embodiment 2
[0163] Calculated according to the weight percentage, take the prescribed amount of Astragalus membranaceus and Ligustrum lucidum, crush them into coarse powder, put them in microwave for continuous extraction, add 10 times the amount of water, adjust the power to 700W, 630W, 560W, 490W, and the reaction time is 20 minutes, collect the extract, and filter , get the chastity polysaccharide extract, and set aside; take the above-mentioned chastity polysaccharide extract, concentrate to 60 ° C to measure the relative density of 1.10 ~ 1.15, add 95% ethanol to make the alcohol content to 90%, let it stand, filter, and use 90% for precipitation. Wash with % ethanol, evaporate the ethanol from the precipitate, add water and stir to dissolve, let stand, filter, concentrate the filtrate to 60°C and measure the relative density as 1.10-1.15, add 95% ethanol to make the alcohol content to 80%, let stand, filter Wash the precipitate with 80% ethanol, evaporate the ethanol completely, add ...
Embodiment 3
[0165] Calculated by weight percentage, take the prescribed amount of Astragalus membranaceus and Ligustrum lucidum and crush them into coarse powder, add 10 times the amount of water and ultrasonically extract 3 times, each time for 30 minutes, combine the extracts, filter, and obtain the extract of chastity root polysaccharide, which is set aside; The above-mentioned polysaccharide extract of chastity qi is filtered with a filter device equipped with a 2 μm microfiltration membrane, and the liquid on the membrane is separated from the liquid under the membrane, and the liquid under the membrane is used for later use; Filter with an ultrafiltration device equipped with a 60,000 molecular weight ultrafiltration membrane, separate the liquid on the membrane from the liquid under the membrane, and prepare the liquid under the membrane for use; The nanofiltration device of the filter membrane is used for filtration, the liquid on the membrane is separated from the liquid under the...
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