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138 results about "Kaempferol" patented technology

Kaempferol (3,4′,5,7-tetrahydroxyflavone) is a natural flavonol, a type of flavonoid, found in a variety of plants and plant-derived foods. Kaempferol is a yellow crystalline solid with a melting point of 276–278 °C (529–532 °F). It is slightly soluble in water and highly soluble in hot ethanol, ethers, and DMSO. Kaempferol acts as an antioxidant by reducing oxidative stress. Many studies suggest that consuming kaempferol may reduce the risk of various cancers, and it is currently under consideration as a possible cancer treatment. It is named for 17th-century German naturalist Engelbert Kaempfer.

Exosome compound preparation with hair growth effect and preparation method thereof

The invention relates to the technical field of exosomes, in particular to an exosome compound preparation with a hair growing effect and a preparation method of the exosome compound preparation. Comprising 12 to 22 parts of ginsenoside Rb1, 15 to 12 parts of biotin tripeptide-15, 8 to 15 parts of diammonium glycyrrhizinate, 50 to 70 parts of fish collagen peptide, 10 to 20 parts of soybean peptide, 0.5 to 4.5 parts of SHH protein, 0.5 to 2.5 parts of SMO inhibitor, 0.5 to 1.5 parts of HhSP protein, 5 to 10 parts of N-acetyl tyrosine, 0.1 to 2 parts of hyaluronic acid, 0.1 to 1 part of melatonin, 0.1 to 1 part of quercetin, 0.1 to 1 part of kaempferol, 0.1 to 1 part of tanshinone, 0.1 to 1 part of biotin and 0.1 to 1 part of vitamin A. The compound preparation is combined with exosomes from various sources, so that the hair papilla cell function is synergistically enhanced, and the damaged hair follicle structure is repaired.
Owner:SHANGHAI CHUNSHEN EXOSOME BIOMEDICINE CO LTD

Application of kaempferol in preparation of medicine for treating or preventing porcine epidemic diarrhea virus infection

The invention discloses an application of kaempferol in preparation of a medicine for treating or preventing PEDV (Porcine Epidemic Diarrhea Virus) infection. The kaempferol can obviously inhibit the replication of the PEDV in Vero and LLC-PK1 cells through 3C-like protease targeting the PEDV, so that the kaempferol can be used for preparing the medicine for preventing and treating the PEDV. Besides, kaempferol, as a natural substance separated from mulberries, can be used as a feed additive for a long time so as to achieve the purpose of preventing epidemic diseases, and does not cause generation of drug-resistant strains and other toxic and side effects after being used for a long time; the defects of immune failure possibly caused by vaccination, virus variation caused by use of antiviral drugs and the like are overcome.
Owner:WUHAN POLYTECHNIC UNIVERSITY

Extracellular vesicle drug delivery system, preparation method thereof and application of extracellular vesicle drug delivery system in treatment of Alzheimer's disease

PendingCN121825870AOrganic active ingredientsCell dissociation methodsAmyloid betaMicroglial cell activation
The invention belongs to the technical field of biological medicine, and particularly relates to an extracellular vesicle drug delivery system, a preparation method thereof and application of the extracellular vesicle drug delivery system in treatment of Alzheimer's disease. According to the invention, one or more of stilbene glucoside, emodin, kaempferol, resveratrol and quercetin are used for regulating and controlling the expression of miRNA (micro Ribonucleic Acid) related to the disease progress in the extracellular vesicles, and the result shows that one or more of miR-let-7c-5p, miR-486-5p, miR-132-3p, miR-160b and miR-129-5p is remarkably up-regulated, and one or more of miR-342-3p, miR-16-5p and miR-125b-5p is remarkably down-regulated. The regulated extracellular vesicles can be used for treating Alzheimer's disease, relieving Tau protein abnormal phosphorylation, reducing amyloid protein beta deposition, inhibiting microglial cell activation, protecting neuronal cells and relieving memory deficits.
Owner:CAPITAL UNIVERSITY OF MEDICAL SCIENCES

Acanthopanax sessiliflorus flavone online extraction self-optimization method based on reinforcement learning

The invention discloses an on-line extraction self-optimization method for acanthopanax sessiliflorus flavone based on reinforcement learning. According to the method, multi-source data in the extraction process is collected in real time, and a fusion feature vector is generated after preprocessing; establishing a mapping relation from the feature vector to the contents of rutin, quercetin, kaempferol and hyperoside by using an offline test sample, and constructing a virtual measurer capable of outputting a target flavone composition vector and uncertainty thereof; constructing a safety domain boundary according to a solvent flash point temperature, an equipment tolerance temperature upper limit and a component thermal degradation temperature threshold, and calculating a time-varying safety constraint threshold in combination with uncertainty; performing linkage optimization on the temperature, the ethanol volume fraction, the solid-to-liquid ratio, the soaking time and the circulating flow by adopting a reinforcement learning strategy, and comprehensively considering flavone composition deviation and solvent energy consumption by a reward function; and finally, outputting the optimized parameters to extraction equipment for execution. According to the method, online, lossless and self-adaptive process optimization control is realized, inter-batch fluctuation is remarkably reduced, and the resource utilization efficiency is improved.
Owner:SHENYANG INST OF TECH

New application of raspberry extract

The invention provides a novel application of a raspberry extract. It is found through tests that any one of isoquercitrin, ellagic acid, vanillic acid, oleanolic acid, kaempferol-3-O-rutinoside, kaempferol-3-O-sophoroside, tiliroside, tormentic acid and raspberry extract can remarkably improve the activity of the human ovarian granular cells or remarkably improve the oxidative stress level, and the activity of the human ovarian granular cells can be remarkably improved. According to the present invention, the ovarian function can be effectively protected by the eight components, the ovarian function can be effectively protected by the eight components, or the mitochondrial membrane potential level can be significantly regulated and controlled, or the estrogen level in the microenvironment can be effectively maintained, such that the ovarian function can be effectively protected by the eight components, and the raspberry extract containing the eight components. The invention provides a new choice for ovarian function protection products, and also provides a new application for the substances.
Owner:INFINITUS (CHINA) CO LTD

Use of kaempferol in promoting gene editing

The application discloses an application of kaempferol in promoting gene editing and belongs to the field of biological medicines. The application specifically comprises kaempferol as a promoter of CRISPR gene editing and the application of kaempferol in preparing non-virus site-specific integration CAR T cells. It is found that kaempferol can significantly increase the efficiency of CRISPR gene editing, and it is found through cell experiments that kaempferol has a significant promoting effect on the positive rate of CAR T cells after electrotransformation, and greatly improves the tumor killing function of T cells.
Owner:ZHEJIANG LAB

Cerium nanoparticles of kaempferol and preparation method and application thereof

The application relates to kaempferol cerium nanoparticles and a preparation method and application thereof, and belongs to the technical field of biological medicines. The kaempferol cerium nanoparticles are prepared by performing coordination co-assembly on kaempferol and cerium ions in the presence of polyethylene glycol at a specific molar ratio, and the nanoparticles have uniform particle sizes and good dispersity. The nanoparticles have the anti-inflammatory activity of kaempferol and the ROS scavenging capacity of cerium ions, and show a significant synergistic effect in in-vivo and in-vitro experiments, can effectively reduce lung inflammation, inhibit oxidative stress, improve lung function, and have good biological safety, thereby providing a new drug candidate scheme for the treatment of ARDS.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV

Connecting peptide and application thereof in promoting compound glucose methylation modification

The invention discloses a connecting peptide and application thereof in promoting compound glucose methylation modification. A glycosyl transferase-methyltransferase fusion protein gene and genes LtLasS1 and LtLasS2 coded by benzenediol lactone synthetase, which are connected in series by connecting peptides, are co-expressed, and liquid phase and mass spectrometry of a fermentation product are carried out to determine that the fusion protein can realize glucose methylation modification by hydroquinone lactone. Wherein the conversion efficiency of the fusion protein hydroquinone lactone using the DL-4 connecting peptide is the highest, and the relative conversion rate is 65.54 + / -3.75%. Besides, by feeding a substrate kaempferol and testing the glucose methylation conversion efficiency of the artificial fusion protein constructed by the connecting peptide, the conversion efficiency of the fusion protein using the DL-4 connecting peptide to the substrate is 6 times of the conversion efficiency of the fusion protein using a single glycosyl transferase and a single methyltransferase to the substrate, and the relative conversion rate is increased to 60.12 + / -4.79%.
Owner:YANGZHOU UNIV +1

Copper ion-kaempferol nanocomposite and application thereof in treatment of inflammatory bowel disease

The invention discloses a copper ion-kaempferol nano-composite and application thereof in treatment of inflammatory bowel disease, the obtained nano-composite has very strong stability and active oxygen scavenging ability, and has excellent oxidation resistance and anti-inflammatory ability, and the specific performance is as follows: the surface is negatively charged, and the nano-composite can specifically target the diseased region of intestinal inflammation, so that the copper ion-kaempferol nano-composite can be applied to treatment of inflammatory bowel disease. The intestinal mucosal barrier injury is effectively repaired, the imbalance state of intestinal flora is adjusted, and the intestinal inflammation microenvironment is remarkably improved; the antioxidant and anti-inflammatory capacities of cells can be enhanced by regulating and controlling a PI3K-Akt signal channel and a nuclear factor kappa B (NF-kappa B) signal channel; the compound shows an excellent treatment effect in mouse models of typical inflammatory bowel diseases such as ulcerative colitis and Crohn's disease and related complications of bowel diseases. The invention provides a new way for constructing a multi-target and multi-layer treatment platform for the inflammatory bowel disease of a natural product.
Owner:ANHUI MEDICAL UNIV

Method for rapidly detecting content of aluminum ions in raw wine

The invention discloses a method for rapidly detecting the content of aluminum ions in raw wine. Kaempferol is used as a probe, the detection response is rapid, fluorescence signal reading is completed within 2 min, the method is far better than a traditional method, and the method is suitable for on-site rapid detection; the method is high in selectivity, free of interference of common metal ions in raw wine and good in linear relation.
Owner:JING BRAND

Application of kaempferol in repairing imbalance of fish intestinal microflora

The invention discloses application of kaempferol in repairing imbalance of fish intestinal microflora. Researches show that exposure of tetramethyl bisphenol A (TMBPA) affects richness and diversity of fish enteric microorganisms, the richness and diversity of the fish enteric microorganisms are dynamically changed during exposure, relative proportion of harmful bacteria in the fish enteric microorganisms is increased, and unbalance of the fish enteric microorganisms is caused; by adopting kaempferol administration treatment, the proportion of harmful bacteria in the intestinal tracts of the fishes can be reduced, the proportion of beneficial bacteria in the intestinal tracts of the fishes can be increased, and unbalanced intestinal microflora of the fishes can be helped to recover to a healthy state. The result shows that kaempferol can repair fish intestinal microflora imbalance caused by TMBPA and restore fish intestinal health.
Owner:GUANGDONG OCEAN UNIVERSITY

Application of zinc oxide quantum dot fluorescent sensor and detection of kaempferol

The application belongs to the technical field of chemical analysis and detection, and discloses a zinc oxide quantum dot fluorescent sensor and application of the zinc oxide quantum dot fluorescent sensor in detection of kaempferol. The zinc oxide quantum dot fluorescent sensor is prepared by stirring zinc salt solution and lye uniformly, then adding amino silane and water to carry out sol-gel reaction to prepare a ZnO-QDs fluorescent probe solution; then, a substrate is immersed in the ZnO-QDs fluorescent probe solution to carry out incubation, and drying is carried out to obtain the zinc oxide quantum dot fluorescent sensor. S The zinc oxide quantum dot fluorescent sensor is applied to detection of kaempferol, can produce specific response with kaempferol, makes the fluorescence intensity of the ZnO-QD fluorescent probe gradually increase with the increase of the concentration of kaempferol, and can effectively exclude the interference of structural analogs such as quercetin and luteolin, so that the kaempferol in the sample can be accurately quantified; and the detection cost is low, the operation is convenient, the detection efficiency is high, the detection is green and safe, and the zinc oxide quantum dot fluorescent sensor is suitable for popularization and application.
Owner:SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES

Plant-extracted anti-hair-loss hair-growing liquid and preparation method thereof

The invention relates to the technical field of hair supplies, in particular to plant-extracted anti-hair-loss hair-growing liquid and a preparation method thereof. The plant extraction anti-hair loss hair growth liquid provided by the invention is prepared from hair growth factors, peppermint oil, isohexylene glycol, 1, 3-butanediol and water, the hair growth factor is obtained by extracting polygonum multiflorum, eclipta, white mulberry root-bark, rhizoma kaempferiae and fructus chebulae. The hair growth liquid obtained by the invention has the advantages of low irritation, moistening and transdermal effects, good compliance effect for a user and efficient hair loss prevention and hair growth effects, and hair growth active factors can be efficiently delivered and effectively play the hair loss prevention and hair growth effects.
Owner:GUIZHOU GUIJIN MIAOYI HEALTH MANAGEMENT CONSULTING CO LTD

A ros response type liposome containing kaempferol, and a preparation method and application thereof

The application relates to the field of medicine, in particular to a ROS (reactive oxygen species)-responsive liposome containing kaempferol and a preparation method and application thereof, to solve the problems of poor kaempferol efficacy and how to reduce the toxicity of PFOB in the prior art, realize stable kaempferol drug release, and improve the bioavailability. The liposome is a ROS-responsive liposome containing kaempferol, the liposome is a DTP liposome, the DTP liposome is a double-layered inner and outer layer with distearoyl phosphatidyl ethanolamine-polyethylene glycol as the outer shell of the liposome, a ketone thioacetal bond is located between the outer shells of the liposome, the drug loaded in the DTP liposome is a PEG-PFOB-PEG-kaempferol combination, namely a DTP@PPPK liposome, and the DTP@PPPK liposome can fully exert the efficacy and improve the safety.
Owner:THE SECOND AFFILIATED HOSPITAL OF CHONGQING MEDICAL UNIV

Process for the preparation of acylated flavonoid glycoside b from ginkgo biloba leaf extract

ActiveCN117820394BSugar derivativesSugar derivatives preparationGinkgo Biloba Leaf ExtractAcyl group
The application belongs to the field of Chinese herbal medicines, and particularly relates to a method for preparing acylated flavonoid glycoside B (kaempferol-3-O-[6'''-O-E-p-coumaroyl-beta-D-glucosyl-(1->2)-alpha-L-rhamnose glycoside]) from ginkgo leaf extract. The method first uses macroporous adsorption resin to preliminarily purify the ginkgo leaf extract, and then uses activated white clay to decolorize the ginkgo leaf extract. After that, the decolorized flow fraction is separated by using flash medium-pressure preparative chromatography and silica gel column chromatography, and a large amount of acylated flavonoid glycoside B is successfully prepared. The purity of the separated acylated flavonoid glycoside B reaches UV >= 98%, ELSD >= 98%, and the recovery rate is high, wherein the acylated flavonoid glycoside B is 75%. The method has the advantages of large preparation amount, high stability, strong repeatability, simple process steps, high purity of the separated monomeric compound, and the like, and is an ideal separation process, which lays a foundation for subsequent industrial scale production.
Owner:ZHEJIANG WANBANG PHARMA

Classical prescription for treating hypoovarian reserve function

The invention relates to the technical field of traditional Chinese medicines, and discloses a classic prescription for treating hypoovarian reserve function, which is prepared from the following raw materials: 30 to 40g of Chinese yam, 20 to 30g of semen cuscutae, 10 to 20g of fructus lycii, 10 to 15g of radix achyranthis bidentatae, 10 to 20g of codonopsis pilosula, 10 to 20g of poria cocos, 20 to 30g of malt, 10 to 15g of angelica sinensis and 10 to 30g of radix puerariae. The classical prescription for treating the hypoovarian reserve function has a positive curative effect, and modern network pharmacology also scientifically proves that active ingredients such as quercetin, daidzein, kaempferol and the like contained in the kidney-tonifying and menstruation-regulating prescription are flavonoid compounds from the aspect of action mechanism, so that the prescription has very good anti-inflammatory and anti-oxidative stress ovarian protection effects; the application range is wide, clinical manifestations of patients with the ovarian reserve function decline are generally hypomenorrhea, menoxenia, amenorrhea, infertility or perimenopausal symptoms, and the kidney tonifying and menstruation regulating prescription has a certain regulating effect on the hypomenorrhea.
Owner:川北医学院附属医院

Compositions and their use in maintaining healthy blood glucose levels

The present application relates to the technical field of health food, and particularly relates to a composition and application thereof in maintaining blood glucose health level. The composition comprises rutin, quercetin, kaempferol and pectin. Experiments show that the composition of the present application significantly reduces the activity of alpha-glucosidase, significantly delays starch digestibility, thereby reduces the postprandial blood glucose level of mice, and the effect is obviously better than that of other flavonoid and pectin compositions. It is shown that the rutin, quercetin, kaempferol and pectin are compounded according to a certain proportion, and obvious synergistic effect is produced. In addition, the composition prepared by the present application reduces the use amount of quercetin, increases the utilization rate of pectin, reduces the production cost, and the raw materials are pure natural, safe and non-toxic, functional, low in cost, and have wide application prospect in the deep processing of starch-based health food.
Owner:SPICE & BEVERAGE RES INST CHINESE ACAD OF TROPICAL AGRI SCI +1

A method for constructing a fingerprint spectrum of Shenkun Yangxue granules and the fingerprint spectrum thereof

The application discloses a kind of Shenkun Yangxue granules fingerprint and its construction method, belong to traditional Chinese medicine detection technical field.Different batches of Shenkun Yangxue granules are prepared into test sample solution;Respectively with Danshensu, ephedrine hydrochloride, syringin, protocatechuic aldehyde, coffee acid, calycosin-7-O-β-D-glucoside, loganin, comphoric acid, shisonin, delphinidin and luteolin and kaempferol control preparation single control solution;Test sample solution and control solution are analyzed by high performance liquid chromatography and high resolution mass spectrometry respectively, 18 characteristic peaks are screened out, and 12 kinds of chemical components are identified by standard comparison and fragment information analysis, to obtain Shenkun Yangxue granules fingerprint.The Shenkun Yangxue granules fingerprint established by the method can be used for the quality control detection of Shenkun Yangxue granules, which is conducive to the comprehensive monitoring of product quality, and ensures the consistency, controllability and stability of product quality.
Owner:SHAANXI BAILU PHARM CO LTD

A Centella asiatica extract, its preparation method and uses

This invention provides an extract of *Hedyotis diffusa*, its preparation method, and its uses. When the extract is measured under reversed-phase high-performance liquid chromatography, the peak area A of 6''-malonyl *Hedyotis diffusa* I is... M Peak area A with cypermethrin I B The ratio is less than 0.1, and the peak area A of free kaempferol is... K With A B The ratio shall not exceed 0.15. The preparation method includes: adjusting the pH of the aqueous extract of *Kaempferia galanga* to 11-13.5, and performing alkaline hydrolysis at 25-65°C for 20-60 minutes. This invention utilizes the difference in stability of malonyl bonds and glycosidic bonds under alkaline conditions to achieve the selective conversion of 6''-malonylkaempferol I to kaempferol I, increasing the content of kaempferol I while maintaining the integrity of the glycosidic bonds and inhibiting or controlling the formation of free kaempferol. The resulting extract can be used to prepare anti-inflammatory and antioxidant drugs or health foods.
Owner:SHANDONG UNIV

Therapeutic targets for pancreatic neuroendocrine tumours

The present invention relates to a use of a moiety selected from the group consisting of: (a) a nucleic acid encoding shRNA or siRNA specific for NR4A1 comprising the sequence of SEQ ID NO: 5 or SEQ ID NO: 6; (b) a NR4A1 antagonist selected from the group consisting of 1,1- bis(3'-indolyl)-1-(p-hydroxyphenyl)methane (DIM-C-pPhOH), resveratrol, a 3-chloro-5- methoxy analog (DIM-C-pPhOH-3-Cl-5-OCH3) and a flavonoid selected from the group consisting of kaempferol and quercetin; (c) a vector comprising a nucleic acid molecule encoding menin; and (d) a NF-ĸB inhibitor, in the manufacture of a medicament for treating pancreatic neuroendocrine tumors (PNETs) in a subject, wherein the medicament is to be administered to the subject, thereby reducing cellular proliferation of PNETs. The present invention also relates to a method of treating pancreatic neuroendocrine tumors (PNETs) in a subject.
Owner:AGENCY FOR SCI TECH & RES +2

Preparation method of sophora flower flavone extract

The invention relates to a preparation method of a sophora flower flavone extract, which comprises the following steps: adding sophora flower powder into an ethanol solution, sealing, carrying out ultrasonic-assisted water bath extraction and magnetic stirring at the same time, centrifuging, and taking supernatant to obtain a sophora flower flavone extracting solution; the sophora flower flavone extracting solution is concentrated to obtain concentrated thick paste, then water is added, the concentrated thick paste is heated and stirred, the concentrated thick paste is stored overnight at the low temperature of 4 DEG C, precipitates are taken through centrifugation, the precipitates are dried and ground, and the sophora flower flavone extract is obtained, the average kaempferol content in the extract obtained through the technology reaches 76% or above, and the extract shows excellent effects of dispelling the effects of alcohol and protecting the liver. The preparation process is reasonable, simple, convenient, stable and feasible, and the extracted sophora flower flavone extract has a commercial utilization value.
Owner:DONGHUA UNIV

Multi-source vegetable outer vesicle composition as well as preparation method and application thereof

The invention discloses a multi-source vegetable outer vesicle composition as well as a preparation method and application thereof. The multi-source vegetable outer vesicle composition is prepared from outer vesicles extracted from spinach leaves, ginger tubers, broccoli buds, bitter gourd fruits and celery stems. The spinach leaves, the ginger tubers, the broccoli flower buds, the bitter gourd fruits and the celery stems are mixed according to the fresh weight ratio of (3-5): (1-2): (2-3): (1-1.5): (2-4), and low-temperature homogenization, centrifugation and ultrafiltration purification are performed to obtain the spinach-ginger-containing beverage. The particle size of the multisource vegetable outer vesicle composition is 100-200 nm, and the multisource vegetable outer vesicle composition comprises transmembrane protein TET8 and membrane anchoring protein ANNEXIN, and further comprises active ingredients of miR159a, miR166a, quercetin and kaempferol. The outer vesicle can target a PPAR gamma / FAS pathway and regulate and control lipolysis and metabolism reprogramming of fat cells; meanwhile, an Nrf2 pathway is activated, free radicals are removed, oxidative stress injury is inhibited, and metabolic diseases such as obesity, type II diabetes mellitus and non-alcoholic fatty liver disease can be effectively improved.
Owner:NANJING DRUM TOWER HOSPITAL

Method for enhancing pine wood nematode disease resistance of larch through jasmonic acid signal mediated flavonoid biosynthesis

The invention discloses a method for enhancing pine wood nematode disease resistance of larch through jasmonic acid signal mediated flavonoid biosynthesis. The method comprises the following steps that 1, the larch is inoculated with pine wood nematode; 2, performing high-throughput omics sequencing sampling and data analysis; 3, treating larch seedlings with methyl jasmonate; 4, the inhibition effect of the kaempferol and the citrus aurantium on the pine wood nematodes is obtained. According to the method, larch is taken as a research object, a disease stress system is constructed by artificially inoculating pine wood nematodes, leaf / stem tissues at different time points after infection are selected, and sequential multiomics analysis is carried out by combining transcriptome sequencing and a wide targeting metabolome technology; the theoretical basis and method for improving the pine wood nematode disease resistance of larch by regulating and controlling the biosynthesis of kaempferol and citrus aurantium through a jasmonic acid signal way are defined.
Owner:INST OF FOREST ECOLOGY ENVIRONMENT & PROTECTION CHINESE ACAD OF FORESTRY

Application of kaempferol in preparation of medicine for treating liver cancer related to non-alcoholic fatty liver

The invention relates to application of kaempferol in preparation of drugs, food or health care products for preventing or treating liver cancer related to non-alcoholic fatty liver or non-alcoholic fatty liver. According to the kaempferol disclosed by the invention, the liver weight, the liver weight ratio, the tumor quantity and the maximum diameter of the tumor of a mouse with the non-alcoholic fatty liver-related liver cancer are obviously reduced; in histology, the kaempferol can obviously improve hepatic tissue fatty degeneration and liver lipid droplet density, and improve liver cell inflammation and fibrosis degree; kaempferol can obviously reduce the content of cholesterol serum and cholesterol in the liver of a mouse with non-alcoholic fatty liver-related liver cancer, and can reduce liver injury indexes ALT and AST; the kaempferol can obviously reduce the expression level of mRNA related to liver fibrosis of mice with liver cancer related to non-alcoholic fatty liver.
Owner:SHUGUANG HOSPITAL AFFILIATED WITH SHANGHAI UNIV OF T C M

Culture solution for improving in-vitro cultured blastocyst rate of bovine oocytes and application of culture solution

PendingCN121674329AGerm cellsBiotechnologyBovine oocyte
The invention discloses a culture solution for improving in-vitro culture blastocyst rate of bovine oocytes and application of the culture solution, and belongs to the technical field of cell in-vitro culture. According to the culture solution, kaempferol is added into a basic culture solution, and the addition concentration of the kaempferol is 0.01-1 mu M / L; preferably, the addition concentration of the kaempferol is 0.1 mu M / L. By optimizing the concentration of the kaempferol and the synergistic proportion of the kaempferol and basic nutritional ingredients, the action mechanism of the kaempferol for regulating and controlling the mitochondrial function of the oocyte and meiosis spindle assembly is defined, and the direct association of'oxidation resistance-development potential improvement 'is established, so that the blastocyst formation rate and embryo quality of in-vitro culture of the oocyte are remarkably improved, and the development potential of the oocyte is improved. The requirements of the fields of assisted reproduction, embryo engineering and the like on an efficient and stable oocyte in-vitro culture technology are met.
Owner:JILIN ACAD OF AGRI SCI

A pharmaceutical preparation for repairing skin mucosa damage

The present application relates to the technical field of skin mucosa repair, and particularly relates to a pharmaceutical preparation for repairing skin mucosa injury. The preparation takes kaempferol, quercetin, 3-p-coumaroyl-1, 4, 6'-triacetyl sucrose, 3-p-coumaroyl-2', 3', 6'-triacetyl sucrose, (+)-syringaresinol and vitamin B12 extracted from Prunus tomentosa as active ingredients, so as to solve the problems of poor curative effect, long repair period and easy scarring of the existing skin mucosa injury repair preparation, and realize efficient, safe and high-quality skin mucosa injury repair effect.
Owner:JILIN UNIVERSITY

A flavonoid compound, preparation method and application thereof, pharmaceutical composition and application thereof

The present invention provides a flavonoid compound and a preparation method and application thereof, a pharmaceutical composition and application thereof, and relates to the field of biomedicine technology. The flavonoid compound provided by the present invention has excellent antioxidant activity and significant GSH-Px activation effect, has low toxicity and high efficiency, is suitable for preparing a variety of antioxidant drugs and drugs for treating diseases related to oxidative stress, has broad clinical application prospects and important drug development value, will promote the progress of flavonoid drug research and development, and provide new solutions for antioxidant therapy. In vitro experiments and cell model verification show that: in HUVECs and AML12 cell lines, compared with kaempferol, the flavonoid compound provided by the present invention significantly increased the activity of GPX4 and its protein expression level; the ability to scavenge DPPH free radicals is significantly higher than that of kaempferol, and the antioxidant property is significantly better than that of kaempferol; the toxicity to AML12 cells is significantly lower than that of kaempferol.
Owner:THE AFFILIATED HOSPITAL OF SOUTHWEST MEDICAL UNIV

Use of kaempferol-3-o-acetoside-7-o-rhamnoside in the preparation of a drug for preventing and / or treating diseases related to glycolipid metabolism disorder

PendingCN122342758Alower levelImprove glucose and lipid metabolism disordersGlycolipid metabolismTG - Triglyceride
The application relates to the field of biological medicine, and particularly relates to application of kaempferol-3-O-acacia di-saccharide-7-O-rhamnose glycoside in preparation of a medicine for preventing and / or treating diseases related to glycolipid metabolism disorder. The compound or a pharmaceutically acceptable salt, ester, solvate or prodrug thereof can be used for treating diseases such as type 2 diabetes, insulin resistance, hyperglycemia, hyperlipidemia and non-alcoholic fatty liver disease. The compound can significantly reduce intracellular glucose, triglyceride and total cholesterol levels, and can play a role by activating an AKT signal pathway, so as to improve glycolipid metabolism disorder and has potential clinical application value.
Owner:NORTHWEST INST OF PLATEAU BIOLOGY CHINESE ACAD OF SCI

Muscle-building dietary flavone compound protein composition as well as preparation method and application thereof

The invention discloses a muscle-building dietary flavone compound protein composition as well as a preparation method and application thereof, and belongs to the field of dietary supplements. The composition is prepared from the following components in parts by weight: 50 to 80 parts of concentrated whey protein powder, 5 to 20 parts of separated whey protein powder, 0.01 to 3 parts of hydrolyzed whey protein powder, 0.1 to 1 part of bovine colostrum powder, 0.01 to 0.05 part of kaempferol and 0.01 to 0.1 part of glucomannan. The composition can improve the muscle synthesis and growth rate, inhibit muscle reduction caused by sarcopenia, improve the muscle oxidation resistance, accelerate the muscle repair speed and activate the protein synthesis rate-limiting enzyme AKT and the growth kinase ERK. The composition can be used for preparing food, special diet and health food.
Owner:YUNNAN AGRICULTURAL UNIVERSITY +1

Flame-retardant modified ms sealant and preparation method thereof

The present application relates to the technical field of sealant, in particular to a flame-retardant modified MS sealant and a preparation method thereof.The present application obtains antibacterial fiber by adding chitosan, catechin, luteolin and kaempferol as main raw materials.Then, the present application obtains composite fiber by using silver ammine solution, glucose solution and antibacterial fiber as raw materials.The present application obtains silane modified acrylic resin by adding gamma-methacryloxypropyl trimethoxysilane, acrylic acid, flame-retardant acrylic monomer, antibacterial acrylic monomer, anti-aging vinyl monomer, azobisisobutyronitrile and ethyl acetate.Then, the present application obtains silane modified polyether resin by mixing the silane modified acrylic resin and polytetrahydrofuran and reacting.The present application obtains the finished product by mixing the silane modified polyether resin, composite fiber, plasticizer, filler, water removing agent and catalyst.The finished product prepared by the present application has excellent flame retardancy, antibacterial property and anti-aging property, so the present application has wide application prospect in the technical field of sealant.
Owner:JIANGSU RUIYANG ANTAI NEW MATERIAL TECH CO LTD