Chinese herbal medicine extract, preparation method thereof, and application thereof
A Chinese herbal medicine extract, Chinese herbal medicine technology, applied in the directions of drug combination, pharmaceutical formula, plant raw material, etc., can solve the problems of increased cost, complicated extraction process, lack of research on compound formula, etc., and achieve the effect of low cost
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Embodiment 1
[0024] Take 30g of the pure Chinese herbal medicine Rhizoma Polygonatum and 70g of Polygonatum Polygonatum 100g in total, mix well, add 10 times the amount (multiple amount: refers to the ratio of the volume of the solvent to the total weight of the medicinal materials, wherein the unit of the solvent volume is ml, and the unit of the total weight of the medicinal materials is g, The same below) decoct in water for about 1 hour, keep the filtrate, add 10 times the amount of water to decoct the dregs of the medicine for 1 hour, take the filtrate, combine it with the previous filtrate, concentrate, add an appropriate amount of ethanol to the filtrate, and let it stand for 24 hours; After that, the precipitate is dissolved in water, purified with membrane separation equipment (equipment model: RNF0460 roll-type membrane, membrane pore size: 100,000 Daltons, supplier: Xiamen Shida Membrane Technology Co., Ltd.), and the membrane dialysate is made to contain crude drug. As a 500mg / m...
Embodiment 2
[0026] Take 70g of Polygonatum Polygonatum and 30g of Polygonatum Polygonatum 100g in total, mix them well, add 10 times the amount of 70% ethanol for reflux extraction for about 1 hour, keep the filtrate, add 10 times the amount of 70% ethanol for reflux extraction for 1 hour, and take the filtrate , and combined with the previous filtrate, recovered ethanol to dryness; the obtained extract was dissolved in water, filtered, and formulated into a solution containing 500 mg / ml of crude drug to obtain extract B.
Embodiment 3
[0028] Take 40g of the pure Chinese medicinal materials Polygonatum Polygonatum and 60g of Polygonatum Polygonatum 100g in total, mix well, add 10 times the amount of 30% propylene glycol for immersion and extraction for 24 hours, keep the filtrate, add 10 times the amount of 30% propylene glycol aqueous solution for immersion for 24 hours, filter, Part of the water is recovered to make a Chinese herbal medicine solution C containing 500 mg / ml of crude drug.
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