Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

43results about How to "Broaden raw material channels" patented technology

Cortex periplocae anti-tumor effective component extractive as well as preparation method and application thereof

The invention discloses a cortex periplocae anti-tumor effective component extractive, which is prepared by the following steps of: crushing cortex periplocae; extracting under heating by utilizing water at 90-100 DEG C, concentrating an extracting solution, carrying out alcohol precipitation, centrifuging, removing sediment and concentrating under reduced pressure to remove ethanol to obtain an extracting solution; or extracting under heating by utilizing ethanol with the concentration of 40-95% in a water bath of 80 DEG C, cooling and centrifuging, and concentrating to remove ethanol to obtain an extracting solution; sequentially extracting the extracting solution by utilizing ethyl acetate and water saturated n-butyl alcohol; subjecting a n-butyl alcohol extracted part to silica gel column separation, wherein a diluting agent is dichloromethane-methanol with the different volume ratios; collecting a diluting solution with the volume ratio of dichloromethane to methanol of 10: 1; and recycling an organic solvent to obtain the cortex periplocae anti-tumor effective component extractive. According to the cortex periplocae anti-tumor effective component extractive disclosed by the invention, in an in-vitro cellular toxicity test, the part has the obvious effects of inhibiting U251 (glioma cells), HepG2 (hepatoma carcinoma cells), SGC (stomach carcinoma cells), mcf-7 (human breast cancer cells) and SCLC (small cell lung cancer cells), and can be used for preparing an anti-tumor medicine. The invention discloses a preparation method of the cortex periplocae anti-tumor effective component extractive.
Owner:JIANGSU UNIV

Effective part of Corydalis conspersa as well as preparation method and application of effective part

The invention provides an effective part of Corydalis conspersa as well as a preparation method and an application of the effective part and belongs to the technical field of plant extracts. The effective part of the Corydalis conspersa is selected from one of an ethyl acetate extract of the Corydalis conspersa, an n-butyl alcohol extract of the Corydalis conspersa and an aqueous extraction extract of the Corydalis conspersa or a mixture of two or more of the extracts of the Corydalis conspersa in any mass ratio. The preparation method comprises steps as follows: the herb of the Corydalis conspersa is ground, an ethanol solution with volume percentage concentration being 65%-95% is added for reflux extraction, an obtained extracting solution is concentrated and dried, and extractum is obtained; distilled water is added to the extractum, the extractum is dispersed, an extractum dispersion liquid is obtained and is extracted with petroleum ether, ethyl acetate and n-butyl alcohol as solvents sequentially, and after solvents are volatilized, the ethyl acetate extract of the Corydalis conspersa and the n-butyl alcohol extract of the Corydalis conspersa are obtained; the extractum dispersion liquid after extraction is concentrated and dried, and the aqueous extraction extract of the Corydalis conspersa is obtained. According to the application of the effective part of the Corydalis conspersa in preparation of drugs for inhibiting CDC25 enzyme and HDAC1 enzyme, the effective part of the Corydalis conspersa can be used for preparing antitumor drugs.
Owner:QINGHAI UNIV FOR NATITIES

Saussurea-obvallata effective part and preparing method and application thereof

The invention discloses a saussurea-obvallata effective part and a preparing method and application thereof, and belongs to the technical field of plant extract. The saussurea-obvallata effective part is selected from the mixture of any mass ratio of one or two above of a saussurea-obvallata petroleum ether part, a saussurea-obvallata ethyl acetate part, a saussurea-obvallata n-butyl alcohol part and a saussurea-obvallata aqueous phase extraction part. The preparing method includes the steps that saussurea-obvallata whole plant is smashed, an ethanol solution with the mass percent concentration of 65% to 95% is added and subjected to reflux extraction, the obtained extracted liquid is concentrated and dried, and extract is obtained; the extract is dispersed in distilled water, extract dispersion liquid is obtained, petroleum ether, ethyl acetate and n-butyl alcohol are sequentially used as a solvent to extract the extract dispersion liquid, and after the solvent is volatilized, the saussurea-obvallata petroleum ether part, the saussurea-obvallata ethyl acetate part and the saussurea-obvallata n-butyl alcohol part are obtained; the extracted extract dispersion liquid is concentrated and dried, and the saussurea-obvallata aqueous phase extraction part is obtained. The saussurea-obvallata effective part has an application to preparing medicine for inhibiting a HDAC1 enzyme, and can be used for preparing antitumor medicine.
Owner:QINGHAI UNIV FOR NATITIES

Tinospora sinensis HDAC1 enzyme inhibition effective part, as well as preparation method and application thereof

The invention discloses a tinospora sinensis HDAC1 enzyme inhibition effective part, as well as a preparation method and application thereof, and belongs to the technical field of plant extracts. The corydalis pygmaea effective part is one of a corydalis pygmaea petroleum ether part and a corydalis pygmaea aqueous extraction part, or a mixture of more than two of a corydalis pygmaea petroleum ether part, a corydalis pygmaea ethyl acetate part, a corydalis pygmaea n-butyl alcohol part and a corydalis pygmaea aqueous extraction part in an arbitrary mass ratio. The preparation method comprises the following steps of: grinding corydalis pygmaea, refluxing and extracting with an ethanol solution having a volume percentage concentration of 65-95 percent, concentrating and drying the extract to obtain an extract; dispersing the extract with distilled water to obtain an extract dispersant, extracting the extract dispersant sequentially with petroleum ether, ethyl acetate and n-butyl alcohol, and volatilizing a solvent to obtain a corydalis pygmaea petroleum ether part, a corydalis pygmaea ethyl acetate part and a corydalis pygmaea n-butyl alcohol part; and concentrating and drying the extracted extract dispersant to obtain a corydalis pygmaea water-phase extraction part. The corydalis pygmaea HDAC1 enzyme inhibition effective part can be applied to preparation of medicines for inhibiting HDAC1 enzyme, and can be used for preparing anti-tumor medicines.
Owner:QINGHAI UNIV FOR NATITIES

Hypecoum leptocarpum effective part as well as preparation method and application thereof

The invention discloses a hypecoum leptocarpum effective part as well as a preparation method and application thereof, belonging to the technical field of plant extract. The hypecoum leptocarpum effective part is selected from one or mixture of over two of a hypecoum leptocarpum n-butyl alcohol part, a hypecoum leptocarpum water-phase extraction part and a hypecoum leptocarpum chloroform part in any mass ratio. The preparation method comprises the following steps: grinding the hypecoum leptocarpum, adding a 65-95% ethanol solution by mass and performing reflux extraction; concentrating and drying to obtain extract; adding distilled water into the extract for dispersion; sequentially extracting with petroleum ether, ethyl acetate and n-butyl alcohol; volatilizing to remove solvents to obtain the hypecoum leptocarpum n-butyl alcohol part; concentrating and drying the extract dispersion liquid after extraction to obtain the hypecoum leptocarpum water-phase extraction part; and adding a 2% hydrochloric acid aqueous solution by mass into the extract for extraction, adjusting the pH value to 9-10, extracting repeatedly with chloroform, and volatilizing to remove solvents to obtain the hypecoum leptocarpum chloroform part. The application of the hypecoum leptocarpum effective part disclosed by the invention in preparing medicines for inhibiting HDAC1 enzymes can be used for preparing anti-tumor medicines.
Owner:QINGHAI UNIV FOR NATITIES

Coal gangue-based quick-hardening cementing material and preparation method thereof

The invention relates to a coal gangue-based quick-hardening cementing material and a preparation method thereof, the coal gangue-based quick-hardening cementing material contains tetracalcium sulphoaluminate, tricalcium silicate, dicalcium silicate and iron, part of SiO2 in coal gangue is calcined into tricalcium silicate, the coal gangue provides aluminum and siliceous, carbide slag provides calcium, gypsum, steel slag, fluorite, chromium slag and barite are added, and clinker is sintered at a low calcination temperature, and a certain amount of gypsum, limestone and volcanic ash are doped to prepare the quick-hardening cementing material. Part of SiO2 in the coal gangue is calcined into tricalcium silicate to enhance the early strength of the tricalcium silicate so that the material can be used for winter construction, emergency repair construction and the like; in the clinker calcination process, fluorite, chromium slag, barite and other mineralizers are added, and dicalcium silicate in steel slag has a nucleation effect so that the cementing material has a lower calcination temperature than traditional Portland cement, CO2 emission can be reduced, and environmental protection is facilitated.
Owner:INNER MONGOLIA UNIV OF TECH

Agaricus gennadii HDAC1 enzyme inhibition effective part and preparation method and application

The invention provides an agaricus gennadii HDAC1 enzyme inhibition effective part and a preparation method and application and belongs to the technical field of plant extracts. The effective part is selected from a mixture of one or more of an agaricus gennadii petroleum ether part, an agaricus gennadii ethyl acetate part, an agaricus gennadii n-butyl alcohol part and an agaricus gennadii aqueous phase extraction part according to any mass ratio. Agaricus gennadii is smashed, an ethyl alcohol solution with the volume percentage concentration being 65-95% is added for reflux extraction, and an obtained extracting solution is concentrated and dried to obtain an extract; the extract is added into distilled water to be dispersed, an extract dispersion solution is obtained and extracted by sequentially using petroleum ether, ethyl acetate and n-butyl alcohol as solvents, and the agaricus gennadii petroleum ether part, the agaricus gennadii ethyl acetate part and the agaricus gennadii n-butyl alcohol part are obtained after the solvents are removed through volatilization; the remaining extract dispersion solution obtained after extraction is concentrated and dried, and the agaricus gennadii aqueous phase extraction part is obtained. The agaricus gennadii HDAC1 enzyme inhibition effective part is applied to preparing HDAC1 enzyme inhibition medicine and can be used for preparing anti-tumor medicine.
Owner:QINGHAI UNIV FOR NATITIES

Gentiana veitchiorum effective part and preparation method and application thereof

The invention discloses a gentiana veitchiorum effective part and a preparation method and application thereof, and belongs to the technical field of plant extracts. The effective part is selected from one of or a mixture of two or more of, by any mass ratio, a gentiana veitchiorum petroleum ether part, a gentiana veitchiorum ethyl acetate part, a gentiana veitchiorum n-butanol part and a gentiana veitchiorum aqueous phase extraction part. A whole gentiana veitchiorum plant is smashed, an ethyl alcohol solution with the volume percentage concentration being 65-95% is added for reflux extraction, and the obtained concentrated solution is concentrated and the concentrate is dried to obtain an extract; distilled water is added to the extract for dispersion to obtain an extract dispersion solution, petroleum ether, ethyl acetate and n-butanol sequentially serve as solvents to extract the extract dispersion solution, and the gentiana veitchiorum petroleum ether part, the gentiana veitchiorum ethyl acetate part and the gentiana veitchiorum n-butanol part are obtained after the solvents are volatilized; the extracted extract dispersion solution is concentrated and the concentrated material is dried to obtain the gentiana veitchiorum aqueous phase extraction part. The gentiana veitchiorum effective part is applied to preparing medicine for inhibiting CDC25 enzyme, and can be used for preparing anti-tumor medicine.
Owner:QINGHAI UNIV FOR NATITIES

Method for biologically converting silkworm excrement waste by utilizing fly maggots, and application of product of method

The invention discloses a method for biologically converting silkworm excrement waste by utilizing fly maggots, and application of a product of the method. The method comprises the following steps: breeding and domesticating fly species, pretreating the silkworm excrement waste, performing bioconversion treatment, and separating and applying the treated product. Compared with the prior art, the method has the following advantages: (1) the silkworm excrement waste is pretreated to adjust the water content of the silkworm excrement waste, so that normal growth and function exertion of fly maggots in the substrate are ensured; (2) the method effectively treats silkworm excrement by-product resources generated in the silkworm and mulberry industry, the obtained silkworm excrement conforms to the regulation of national standard organic fertilizer, efficient cyclic utilization of waste silkworm excrement can be realized, and waste is turned into wealth; and (3) the method utilizes fly maggots to efficiently convert silkworm excrement waste on a large scale, the treatment period is short and is far shorter than 16 days of composting with a microbial agent and 30 days of traditional composting, the conversion efficiency is high, the pollution is zero, the treatment is thorough, the industrial chain is long, and the economic, social and ecological benefits are remarkable.
Owner:JIANGSU UNIV OF SCI & TECH

Effective part of thick-stalk corydalis pallida and preparation method and application of effective part

The invention discloses an effective part of thick-stalk corydalis pallida and a preparation method and application of the effective part, and belongs to the technical field of plant extract. The effective part is selected from the mixture of one or two or more of a thick-stalk corydalis pallida ethyl acetate part, a thick-stalk corydalis pallida n-butyl alcohol part and a thick-stalk corydalis pallida water phase extraction part in any mass ratio. The preparation method comprises the steps that whole thick-stalk corydalis pallida is smashed, an ethanol solution with the volume percentage concentration of 65-95% is added for reflux extraction, and the obtained extracting solution is concentrated and dried to obtain extract; distilled water is added in the extract for dispersion, extract dispersing liquid is obtained, petroleum ether, ethyl acetate and n-butyl alcohol are used as solvents in sequence for extracting the extract dispersing liquid, a solvent is volatilized away, and the thick-stalk corydalis pallida ethyl acetate part and the thick-stalk corydalis pallida n-butyl alcohol part are obtained; the extracted extract dispersing liquid is concentrated and dried to obtain the thick-stalk corydalis pallida water phase extraction part. The effective part of the thick-stalk corydalis pallida is applied in preparation of medicine for inhibiting CDC25 enzyme and can be used for preparing anti-tumor medicine.
Owner:QINGHAI UNIV FOR NATITIES

Effective part of corydalis hendersonii and preparation method and application of effective part of corydalis hendersonii

The invention belongs to the technical field of plant extracts and discloses an effective part of corydalis hendersonii and a preparation method and application of the effective part of corydalis hendersonii. The effective part of corydalis hendersonii is a mixture of one or more than two of an ethyl acetate part of corydalis hendersonii, an n-butyl alcohol part of corydalis hendersonii and an aqueous-phase extract part of corydalis hendersonii according to any mass ratio. The preparation method includes: grinding whole herbs of corydalis hendersonii, adding ethanol solution being 65%-95% in volume percent concentration to perform reflux extraction, and concentrating and drying extract liquor to obtain extract; adding distilled water into the extract to disperse to obtain extract dispersion liquid, sequentially adopting petroleum ether, ethyl acetate and n-butyl alcohol as solvents to extract the extract dispersion liquid, and volatilizing to remove the solvents to obtain the ethyl acetate part of corydalis hendersonii and the n-butyl alcohol part of corydalis hendersonii; concentrating and drying the extracted extract dispersion liquid to obtain the aqueous-phase extract part of corydalis hendersonii. Application of the effective part of corydalis hendersonii to preparation of CDC25 enzyme inhibition medicines is available for preparation of antitumor medicines.
Owner:QINGHAI UNIV FOR NATITIES

The effective site, preparation method and application of Cerulea broadensis for inhibiting hdac1 enzyme

The invention discloses a tinospora sinensis HDAC1 enzyme inhibition effective part, as well as a preparation method and application thereof, and belongs to the technical field of plant extracts. The corydalis pygmaea effective part is one of a corydalis pygmaea petroleum ether part and a corydalis pygmaea aqueous extraction part, or a mixture of more than two of a corydalis pygmaea petroleum ether part, a corydalis pygmaea ethyl acetate part, a corydalis pygmaea n-butyl alcohol part and a corydalis pygmaea aqueous extraction part in an arbitrary mass ratio. The preparation method comprises the following steps of: grinding corydalis pygmaea, refluxing and extracting with an ethanol solution having a volume percentage concentration of 65-95 percent, concentrating and drying the extract to obtain an extract; dispersing the extract with distilled water to obtain an extract dispersant, extracting the extract dispersant sequentially with petroleum ether, ethyl acetate and n-butyl alcohol, and volatilizing a solvent to obtain a corydalis pygmaea petroleum ether part, a corydalis pygmaea ethyl acetate part and a corydalis pygmaea n-butyl alcohol part; and concentrating and drying the extracted extract dispersant to obtain a corydalis pygmaea water-phase extraction part. The corydalis pygmaea HDAC1 enzyme inhibition effective part can be applied to preparation of medicines for inhibiting HDAC1 enzyme, and can be used for preparing anti-tumor medicines.
Owner:QINGHAI UNIV FOR NATITIES

Extract of antineoplastic active components in vietnamese sophora root, and preparation method and application thereof

The invention discloses an extract of antineoplastic active components in a vietnamese sophora root and a preparation method thereof. The preparation method comprises the following steps: 1, successively carrying out extraction with water, condensation of extracted liquid, alcohol precipitation, centrifugation for removal of a precipitate and reduced pressure condensation for removal of ethanol so as to obtain extracted liquid, or successively carrying out heating extraction with 40 to 95% ethanol in a water-bath with a temperature of 80 DEG C, cooling, centrifugation and condensation for removal of ethanol so as to obtain the extracted liquid; and 2, extracting the extracted liquid with ethyl acetate, subjecting ethyl acetate extracted liquid to separation with a silica gel column, wherein eluents are dichloromethane-methanol with different volume ratios, collecting eluate obtained by using dichloromethane-methanol with a volume ratio of 50: 1 and recovering the organic solvent in the eluate so as to obtain the extract of the antineoplastic active components in the vietnamese sophora root. According to in vitro cytotoxicity experiments, the extract of the antineoplastic active components in the vietnamese sophora root has obvious inhibitory effects on U251 (glioma cells) and can be used for preparing antineoplastic drugs. The invention discloses the preparation method for the extract.
Owner:JIANGSU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products