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93 results about "Astragaloside IV" patented technology

Method for detecting the quality of the medicine combination for treating cerebral apoplexy and vasculitis

The invention provides a quality detection method for pharmaceutical compositions for treating stroke and vasculitis through a TLC qualitative identification method for Dendrobium nobile, pilose asiabell root, scrophularia root, licorice root, astragalus root, glycyrrhizic acid,wherein a HPLC content determination process and content regulation are conducted to sweet-scented osmanthus glycoside and astragalus root saponins. The invention discloses the research development of the preparation fingerprint pattern and optimization for conditions of the fingerprint pattern apparatus including chromatographic column, mobile phase and detecting wave length, as a result the liquid phase fingerprint spectrogram standard for the oral liquid preparations is drafted.
Owner:JIANGSU KANGYUAN SUNSHINE PHARMA CO LTD +1

Quality detection method for weinai'an tablet

The invention discloses a quality detection method for a weinai'an tablet. The quality detection method adopts one or more of the following identification and content determination items: thin-layer identification of radix astragali; thin-layer identification of radix astragali, red ginseng and pseudo-ginseng; thin-layer identification of atificial cow-bezoar; high performance liquid chromatography qualitative and quantitative identification method of weinai'an tablet; and high performance liquid chromatography quantitative identification method of Astragaloside IV. The method provided by the invention improves and revises the original weinai'an capsule quality standards, revises and enlarges thin-layer identification of radix astragali's four flavonoid components and Astragaloside IV, simultaneously revises and enlarges thin-layer identification of red ginseng, and identifies the index components Astragaloside IV, ginsenoside Rg1, Rb1 and notoginsenoside R1 at the same time. The method employs an HPLC-PDA-ELSD combined technology to establish a main active ingredient content determination and characteristic spectrum to realize effective control of the weinai'an tablet quality. At the same time, the method has the advantages of high efficiency, accurate quantification, good stability, high precision and excellent repeatability.
Owner:GUANGZHOU BAIYUNSHAN ZHONGYI PHARMA COMPANY

Method for preparing astragaloside IV by converting total saponins of astragalus by microorganisms

The invention discloses a method for preparing astragaloside IV by converting total saponins of astragalus by microorganisms, which comprises the following steps of: preparing bacteria, mould and yeast into bacterium suspension or spore suspension and inoculating the bacterium suspension or the spore suspension into a seed culture medium to form seed solution; then inoculating the seed solution into a fermentation medium to carry out culturing; after the seed solution grows well, adding the total saponins of astragalus to carry out conversion; carrying out scanning and analysis by a TLC (Thin Layer Chromatography) to convert other astragaloside into the astragaloside IV, so that the amount of the astragaloside IV is improved by over four times; and extracting the conversion solution by an organic solvent and separating and purifying the conversion solution by macroporous resin to obtain a pure product of the astragaloside IV. According to the method disclosed by the invention, the defects of damage to the saponins, serious pollution, poor purposiveness and the like in the process of hydrolyzing the total saponins of astragalus by a chemical method can be overcome and the problem of enzyme instability in the process of hydrolyzing the total saponins of astragalus by an enzyme method can be solved. The method has the advantages of no pollution, strong specificity and high conversion rate. The purity of the prepared astragaloside IV can reach over 99.9 percent.
Owner:FUDAN UNIV

Culture medium for promoting growth of mesenchymal stem cells and preparation method thereof

The invention discloses a culture medium capable of promoting the division growth of mesenchymal stem cells, which comprises a serum-free basic culture medium and an additive added on the basis of theserum-free basic culture medium, wherein the additive comprises a hibiscus mutabilis extract, seaweed polysaccharide, astragaloside IV, human serum albumin, transferrin, glutamine, platelet-derived factor, epidermal growth factor, fibroblast growth factor, human insulin growth factor and vitamin A; the hibiscus mutabilis extract has antioxidant and cell activating activity, and can effectively promote the growth of cell metabolic by compounding seaweed polysaccharide and astragaloside IV; human serum albumin, transferrin, glutamine and vitamin A provide essential nutrient substances for the growth of stem cells; platelet-derived factor, epidermal growth factor, fibroblast growth factor, human insulin growth factor and other cytokines together promote the rapid growth and proliferation ofstem cells; the culture medium not only can improve the growth activity of mesenchymal stem cells, shorten the culture time, promote the expression of cell growth factors, but also can maintain the stem cell activity of the differentiation potential of mesenchymal stem cells; stem cells are not differentiated in daily culture, thereby providing convenience for scientific research.
Owner:嘉文丽(福建)化妆品有限公司

Method for making chinese medicine radix astragali

InactiveCN101176745AThe effect of reducing lossesThe effect of loss is obviousDigestive systemDermatological disorderAstragaloside IVTraditional medicine
The invention relates to a processing method of the Chinese herbal medicine astragalus, which is characterized in that: the Chinese herbal medicine astragalus is put into the refine honey under normal temperature and evenly mixed; the astragalus is then covered closely until the refine honey is fully absorbed by the Chinese herbal medicine astragalus; then the astragalus is put in an oven for drying and is taken out when dried; thus, the processed honey-made astragalus is obtained. With the method of putting the astragalus into the refine honey and mixing the two, covering the astragalus closely until the refine honey is fully absorbed by the Chinese herbal medicine astragalus, the invention has the advantages that: the function of invigorating spleen to replenish qi of the Chinese herbal medicine astragalus is reinforced; the astragaloside IV content is 48.8% to 752.5% higher than the prior art, proving than the invention can significantly reduce the loss of the astragaloside IV after the Chinese herbal medicine astragalus is processed; with the invention adopting drying method, the processing conditions such as processing temperature can be well controlled, and the unification and quality controllability of honey-made astragalus can be reinforced.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Method for extracting and purifying astragaloside IV in Astragalus root

The invention discloses a method for extracting and purifying astragaloside IV in Astragalus root. The method comprises the steps of crushing, pretreatment, extraction, concentrating, adsorption separation, decolorizing, concentrating crystallization, centrifugation, recrystallization, centrifugation and drying. The method has the advantages of easily available raw material, extraction from the Astragalus root having rich sources, high yield of above 0.1% and high purity of above 99% of the obtained product astragaloside IV, high extraction efficiency, short treatment time, and suitableness for large-scale industrial production.
Owner:安徽龙津生物科技有限公司

Immunoaffinity chromatographic column adopting astragaloside IV as ligand and application of immunoaffinity chromatographic column

The invention discloses a technical scheme of an immunoaffinity chromatographic column adopting astragaloside IV as a ligand and an application of the immunoaffinity chromatographic column. The immunoaffinity chromatographic column adopts the astragaloside IV as the ligand and is prepared through specific steps as follows: an astragaloside IV hapten is prepared; an immunoaffinity adsorbent is prepared from the astragaloside IV hapten and a solid-phase carrier through cross-linking; the immunoaffinity adsorbent is taken as packing to be charged into a chromatographic column; the packing is washed alternately with an acetic acid buffer solution and a Tris-HCl buffer solution for three times, and the immunoaffinity chromatographic column is obtained. A method adopting the prepared immunoaffinity chromatographic column to purify an astragaloside IV antibody comprises steps as follows: a to-be-purified sample is added to the immunoaffinity chromatographic column and is eluted by an eluent and neutralized by a neutralization solution and the like. According to the invention, the purification efficiency of the astragaloside IV monoclonal antibody is effectively improved, the purity can be higher than 99%, besides, the operation is simple, the cost is low, and the pollution is low.
Owner:JIANGSU AGRI ANIMAL HUSBANDRY VOCATIONAL COLLEGE

Preparation method and application of biological nanopatch

The invention discloses a method for preparing a biological nanopatch constructed by astragaloside induced BMSC compound polylactic acid-glycolic acid nano-particle modified small intestinal submucosa matrix. The method comprises the following steps: preparing polylactic acid-glycolic acid nano-particles (PLGA) by adopting a multiple emulsion method; preparing a small intestinal submucosa matrix (SIS) having a natural three-dimensional ultra micro-structure by adopting a decellation technology to adsorb the PLGA nano-particles on the surface of SIS and favor adsorption and growth of host cells by means of the SIS after PLGA nano-particle surface modification; inducing BMSC by astragaloside to promote proliferation and differentiation of BMSC and enable the BMSC to compound and grow on the PLGA nano-particle surface modified small intestinal submucosa matrix (PLGA-SIS) of pigs. Therefore, the AS-BMSC-PLGA-SIS biological patch has stable physicochemical property, good biocompatibility and high mechanical strength, and is beneficial to tissue regeneration.
Owner:HANGHZOU HOSPITAL OF TRADITIONAL CHINESE MEDICINE

Process for extracting astragaloside IV

The invention relates to the field of medicament extraction and refining, which is a process for extracting astragaloside IV and solves the problems that the products of the prior art has low yield or needs special devices and technology, is not beneficial to generalization and production and the like. The invention provides a simple, effective, high-yield and new extracting process capable of realizing the industrial large-scale production. The process is operated by the following steps of: cutting raw materials in to pieces or coarse grains, adding enzyme for enzymolysis, and after the enzymolysis, extracting the raw materials by water; extracting and refilling the astragaloside IV. The invention combines the enzymolysis method with a water extraction method and an ethanol extraction method, such that the astragaloside IV in the raw materials can be extracted in maximum; the waste of the raw materials is avoided, the production rate of the astragaloside IV is improved, and the yieldof the astragaloside IV is high. In addition, a solution mixing butyl acetate and tert-butyle alcohol is used for refilling, such that the finally obtained product has good quality, stable formation and high yield; and the raw materials are repeatedly and fully utilized in the whole production process, thus the economic efficiency is improved, the environment is protected, and the invention is suitable for the industrial production.
Owner:张守力

Novel traditional Chinese medicine for treating hypoleucocytosis caused by radiotherapy and chemotherapy for treating cancers and preparation method thereof

The invention discloses a novel traditional Chinese medicine for treating hypoleucocytosis caused by radiotherapy and chemotherapy for treating cancers and a preparation method thereof, and also discloses pharmacological effects and clinical application of the novel traditional Chinese medicine. The novel traditional Chinese medicine provided by the invention comprises pearl ginseng and astragalus mongholicus. The preparation method of the novel traditional Chinese medicine comprises the following steps of adding water into pearl ginseng and astragalus mongholicus, respectively carrying out decoction extraction, merging the extract, carrying out concentration, carrying out alcohol precipitation, standing, recovering ethanol of supernate, carrying out condensation, and mixing the concentrated solution and one or more pharmaceutically acceptable carriers/auxiliary materials to obtain an oral solution, wherein the oral solution is the novel traditional Chinese medicine. The oral solution named as a pearl ginseng-astragalus mongholicus oral solution has active components of total saponins and plant polysaccharides, wherein the total saponins comprise ginsenoside Ro, panax japonicus saponin IVa and astragaloside IV. The oral solution can be utilized for treating diseases of hypoleucocytosis, lusterless complexion, mental and physical fatigue, palpitaition, shortness of breath, insomnia, dry throat and inappetence after radiotherapy and chemotherapy for treating cancers.
Owner:SHAANXI UNIV OF CHINESE MEDICINE

Application of Astragaloside IV

The invention relates to the field of traditional Chinese medicines, and discloses application of Astragaloside IV in the preparation of medicaments for preventing and treating Alzheimer disease. Tests show that the Astragaloside IV can inhibit the secretion of Abeta proteins and beta-secretases, the enzyme activity of the beta-secretases and the enzyme cutting effect of the beta-secretases in SH-SY5Y-APP695sw cells, thereby inhibiting the accumulation of the Abeta proteins. Meanwhile, tests show that the Astragaloside IV can promote oligomerized Abeta degradation, thereby reducing the toxic effect of the Abeta proteins and achieving the purpose of preventing and treating Alzheimer disease. Thus, the invention provides the application of the Astragaloside IV in the preparation of medicaments for preventing and treating Alzheimer disease.
Owner:BEIJING NORMAL UNIVERSITY +1

Radix astragali seedling culture method of radix astragali high in astragaloside IV content

The invention provides a radix astragali seedling culture method of radix astragali high in astragaloside IV content. Radix astragali seeds are subjected to soaking in an alkaline solution, soaking inhigh-concentration ethanol and ultrasonic treatment, so that the germinating rate of the radix astragali seeds can be increased, and the vitality of seedlings is high; through applying 5-8% of a sodium hypochlorite solution or 1% of a mercuric chloride solution, selecting bacteria-free water, and performing sterilization treatment on culture mediums, sterile growing environment is provided, and the survival rate of the seedlings is greatly increased; and besides, through applying different MS culture mediums at different stages of radix astragali seed germination and radix astragali seedlinggrowth and particularly applying N elements and trace organic matter (myo-inositol) at the seedling growth stage, the content of the astragaloside IV is greatly increased.
Owner:内蒙古自治区生物技术研究院
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