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33results about How to "Significant antitussive effect" patented technology

Preparation method of potentilla anserina L. root crude polysaccharide with potentilla anserina L. root as raw material and use

A preparation method of a potentilla anserina L. root crude polysaccharide with potentilla anserina L. root as raw material and a use are provided. The method comprises the steps: taking the potentilla anserina L. root medicinal material, and crushing to obtain a potentilla anserina L. root powder; taking the potentilla anserina L. root powder; adding 5-20 times the amount of 60-95% alcohol for immersion or refluxing extraction for 0.5-2 h, repeating 2-3 times, and filtering to remove the alcohol solution; adding water with at least 4 times the weight of the potentilla anserina L. root powder into the potentilla anserina L. root dregs, heating for extraction, after finishing extraction, cooling to the room temperature, filtering to obtain a filtrate, extracting, and repeating 2-3 times; merging the filtrates; carrying out reduced pressure concentration of the merged filtrate until the volume is 1/6-1/3 that of the original merged filtrate; adding 4 times the amount of 95% ethanol into the concentrated solution, then standing for 24-72 h at the temperature of 4 DEG C, and centrifuging to obtain a crude polysaccharide precipitate; and respectively washing the precipitate with ethanol and acetone for a plurality of times, and carrying out freeze drying to obtain a potentilla anserina L. root polysaccharide extract. The prepared polysaccharide has the antitussive use.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Manchurian wildginger total polysaccharide extract with cough-relieving activity, and extraction method and application thereof

The invention discloses a Manchurian wildginger total polysaccharide extract with cough-relieving activity and a preparation method and application thereof, belonging to the technical field of medicines. The Manchurian wildginger total polysaccharide extract is prepared by subjecting the root and/or tuber of Manchurian wildginger to extraction with a polar solvent, carrying out ethanol precipitation and then carrying out drying under reduced pressure, wherein the yield and the content of the total polysaccharide are 15 wt% and 60 to 80 wt%, respectively. Through a great number of pharmacodynamic tests, it is proved for the first time that the Manchurian wildginger total polysaccharide extract has a substantial cough inhibiting effect which is close to a treatment effect of codeine and shows a better effect on prolonging the incubation period of cough compared with codeine, and it is found out for the first time that the Manchurian wildginger total polysaccharide extract is capable of reducing sensitivity of cough and inhibiting airway inflammations, has good prevention and treatment effects on a variety of cough and can be used for preparation of drugs used for treating diseases related to cough. The Manchurian wildginger total polysaccharide extract has the advantages of definite activity, usage of original plants as experimental materials and low cost.
Owner:THE FIRST AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIV (GUANGZHOU RESPIRATORY CENT) +1

Composition for preventing and curing pneumoconiosis and preparation method thereof

The invention provides a composition for preventing pneumoconiosis and a preparation method thereof, wherein the composition is prepared from cordyceps militaris, frosted mulberry leaves, tea polyphenols, gingkgo, fructus monordicae extracts, barbary wolfberry fruits, peach kernels, apricot kernels, and malto dextrin, and the preparation method comprises the steps of: (1) soaking the gingkgo, barbary wolfberry fruits, frosted mulberry leaves, peach kernels and apricot kernels in water; (2) heating the soaked materials to be boiling, leaching, then carrying out flocculation precipitation on leach liquor, and concentrating a supernatant fluid into a thick paste; (3) continuously adding water into the rest materials, heating and leaching; (4)mixing and concentrating the two-time extracts into a thick paste, carrying out vacuum drying and then crushing; (5) sieving the extract, and fully mixing with the cordyceps militaris nano powder, malto dextrin, tea polyphenols and fructus monordicae extracts; and (6) fully mixing the extract with the mixture to be uniform, mixing with alcohol, and palletizing. The composition has an obvious free radical scavenging action, reduces ceruloplasmin, obviously restrains pneumoconiosis fibrosis, and greatly improves the respiratory symptoms of patients with pneumoconiosis.
Owner:SHANDONG YONGCHUNTANG GRP

Asarum total lignan extract and extraction method thereof, and application of asarum total lignan extract in preparation of drugs used for mitigating or inhibiting cough

The invention discloses an asarum total lignan extract and a preparation method and application thereof, belonging to the technical field of medicines. The preparation method comprises the following steps: extracting the root and / or tuber of asarum with a polar solvent and then carrying out concentration and drying so as to obtain an asarum total extract; and dissolving the asarum total extract with water, injecting the dissolved asarum total extract into a macroporous adsorption resin, carrying out gradient elution by using an aqueous ethanol solution, collecting eluate, recovering the solvent and carrying out drying so as to obtain the asarum total lignan extract with a content of 60 to 80 wt%, wherein yield of the asarum total lignan extract is 8.4 wt%. Through a great number of pharmacodynamic tests, it is proved for the first time that the asarum total lignan extract has substantial cough-inhibiting and cough reflex sensitivity-lowering effects which are close to the effects of codeine, and it is found out that the asarum total lignan extract has effects on inhibiting airway inflammations, reducing coughing frequencies and prolonging the incubation period of cough, exerts good prevention and treatment effects on a variety of coughs and can be used for preparation of drugs used for treating diseases related to cough. The asarum total lignan extract has the advantages of definite activity, usage of original plants as experimental materials and low cost.
Owner:THE FIRST AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIV (GUANGZHOU RESPIRATORY CENT) +1

Asarum total polysaccharides extract with cough relieving activity as well as extraction method and application thereof

The invention discloses a Manchurian wildginger total polysaccharide extract with cough-relieving activity and a preparation method and application thereof, belonging to the technical field of medicines. The Manchurian wildginger total polysaccharide extract is prepared by subjecting the root and / or tuber of Manchurian wildginger to extraction with a polar solvent, carrying out ethanol precipitation and then carrying out drying under reduced pressure, wherein the yield and the content of the total polysaccharide are 15 wt% and 60 to 80 wt%, respectively. Through a great number of pharmacodynamic tests, it is proved for the first time that the Manchurian wildginger total polysaccharide extract has a substantial cough inhibiting effect which is close to a treatment effect of codeine and shows a better effect on prolonging the incubation period of cough compared with codeine, and it is found out for the first time that the Manchurian wildginger total polysaccharide extract is capable of reducing sensitivity of cough and inhibiting airway inflammations, has good prevention and treatment effects on a variety of cough and can be used for preparation of drugs used for treating diseases related to cough. The Manchurian wildginger total polysaccharide extract has the advantages of definite activity, usage of original plants as experimental materials and low cost.
Owner:THE FIRST AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIV (GUANGZHOU RESPIRATORY CENT) +1

Preparation method of traditional Chinese medicine for treating asthma disease

The invention relates to a traditional Chinese medicine for treating asthma disease. The traditional Chinese medicine for treating asthma disease is prepared from the following traditional Chinese medicine materials: 15 to 18 g of white mulberry root bark processed with honey, 4 to 8 g of stir-fried bitter almond, 15 to 20 g of radix angelicae pubescentis, 8 to 12 g of burdock, 8 to 12 g of platycodon grandiflorum and 10 to 12 g of couch grass root. The preparation method comprises the following steps: taking the six kinds of medicines and adding water to perform extraction for 3 times; in thefirst time, adding water in an amount which is 12 times that of the medicines, soaking for 0.5 hour and decocting for 1.5 hours; in the second time, adding water in an amount which is 10 times that of the medicines and decocting for 1.5 hours; in the third time, adding water in an amount which is 10 times that of the medicines and decocting for 1.5 hours; combining the decoction, filtering, concentrating the filtrate until about 600 ml, and filtering; and adding ethanol into the filtrate until the alcohol content reaches 70 percent, stirring uniformly, standing for 12 hours, filtering, recovering ethanol from the filtrate under reduced pressure, adding water in the medicine liquid until 600 ml, stirring uniformly, standing for 12 hours, filtering, adding 100 g of cane sugar, 1 g of citricacid, 2 g of sodium benzoate and 0.5 ml of edible essence, stirring to dissolve the materials, adding distilled water to adjust the total amount to 1000 ml, filtering, filling (10 ml / piece) and sterilizing to obtain the traditional Chinese medicine for treating asthma disease. The traditional Chinese medicine for treating asthma disease has remarkable effects of relieving cough, eliminating phlegm and relieving asthma, and can effectively improve the clinical symptoms of patients.
Owner:焦艳芳

Asarum total lignan extract, its extraction method and its use in the preparation of medicines for alleviating or suppressing cough

The invention discloses an asarum total lignan extract and a preparation method and application thereof, belonging to the technical field of medicines. The preparation method comprises the following steps: extracting the root and / or tuber of asarum with a polar solvent and then carrying out concentration and drying so as to obtain an asarum total extract; and dissolving the asarum total extract with water, injecting the dissolved asarum total extract into a macroporous adsorption resin, carrying out gradient elution by using an aqueous ethanol solution, collecting eluate, recovering the solvent and carrying out drying so as to obtain the asarum total lignan extract with a content of 60 to 80 wt%, wherein yield of the asarum total lignan extract is 8.4 wt%. Through a great number of pharmacodynamic tests, it is proved for the first time that the asarum total lignan extract has substantial cough-inhibiting and cough reflex sensitivity-lowering effects which are close to the effects of codeine, and it is found out that the asarum total lignan extract has effects on inhibiting airway inflammations, reducing coughing frequencies and prolonging the incubation period of cough, exerts good prevention and treatment effects on a variety of coughs and can be used for preparation of drugs used for treating diseases related to cough. The asarum total lignan extract has the advantages of definite activity, usage of original plants as experimental materials and low cost.
Owner:THE FIRST AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIV (GUANGZHOU RESPIRATORY CENT) +1
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