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164 results about "Ellagic acid" patented technology

Ellagic acid is a natural phenol antioxidant found in numerous fruits and vegetables. The antiproliferative and antioxidant properties of ellagic acid have prompted research into its potential health benefits. Ellagic acid is the dilactone of hexahydroxydiphenic acid.

Zirconium-based MOF material and preparation method and application thereof

The invention discloses a zirconium-based MOF material and a preparation method and application thereof, in the zirconium-based MOF material, metal ions are Zr < 4 + >, an organic ligand is ellagic acid, a conditioning agent is gallic acid, and the material has an oxygen vacancy structure and a hierarchical pore structure; the preparation method comprises the following steps: (1) mixing ellagic acid, gallic acid, zirconium oxychloride octahydrate and a solvent, and carrying out solvothermal reaction; and (2) washing and drying the solid after the reaction in the step (1) to obtain the zirconium-based MOF material. According to the invention, renewable and low-cost ellagic acid and gallic acid are respectively used as an organic ligand and a conditioning agent, and an oxygen vacancy structure is constructed in a competitive coordination manner, so that more hydroxyl and unsaturated metal Zr active sites are exposed, the interaction with formaldehyde (HCHO) is enhanced, and meanwhile, the oxygen vacancy structure can be used as an oxygen vacancy catalyst. And the existence of the hierarchical pore structure can effectively promote mass transfer, so that the HCHO adsorption capacity is improved.
Owner:JIANGSU OCEAN UNIV

Method for improving in-vivo and in-vitro antioxidant activity of pomegranate peel polyphenol extract through combined enzymolysis of tannase and beta-glucosidase

The invention discloses a method for improving in-vivo and in-vitro antioxidant activity of pomegranate peel polyphenol extract through combined enzymolysis of tannase and beta-glucosidase, and relates to the technical field of food science and biology. The pomegranate peel polyphenol extract provided by the invention is obtained from pomegranate peel powder through solvent extraction. According to the present invention, tannase and beta-glucosidase are adopted to perform single or combined enzymolysis on the pomegranate peel polyphenol extract, and the determination on the in vitro antioxidant activity of the pomegranate peel polyphenol extract shows that the antioxidant activities of DPPH and ABTS after the combined enzymolysis are improved by 29.84% and 29.30% compared with the antioxidant activities of the untreated polyphenol extract; the UPLC-ESI-QTOF-MS is used for identifying and analyzing the components of the enzymatic hydrolysate, the content of macromolecular ellagic tannin is obviously reduced, and the content of micromolecular ellagic acid and gallic acid is increased. The enzymolysis polyphenol is applied to D-galactose induced oxidative stress mice, and the result shows that the oxidative damage relieving effect of the enzymolysis polyphenol on the mice is better than that of untreated polyphenol.
Owner:NANCHANG UNIV

Anti-aging, whitening, freckle-removing, moisturizing and skin care water and preparation process thereof

The present invention provides an anti-aging, whitening, freckle-removing, moisturizing skin care water and a preparation process thereof. A preparation process for an anti-aging, whitening, freckle-removing, moisturizing skin care water comprises the following steps: supercritical CO2 extraction of oat-yarrow extract; ultrasonic-enzymatic hydrolysis-assisted reflux extraction and concentration; adding oxidized resveratrol, salidroside and ellagic acid; adding purified water to dissolve and adding sodium alginate and glycerol; adding p-anisic acid and aromatic alcohol and homogenizing and mixing. The present invention is a skin care water prepared by first extracting extracts of bletilla striata, wormwood leaf, peony bark, oat and yarrow, and then adding oxidized resveratrol, salidroside, ellagic acid, sodium alginate, glycerol, p-anisic acid and aromatic alcohol. The skin care water not only has the effects of anti-aging, whitening, freckle removal and moisturizing, but also because its raw materials are all natural plant ingredients and no chemical agents are added, therefore, it will not irritate the skin and has no side effects, and can be used for a long time.
Owner:浙江宝韵生物科技有限公司

Iron-based metal-organic complex catalyst, preparation method and method for removing ofloxacin in water body

The invention belongs to the technical field of sewage treatment and new materials, and discloses an iron-based metal-organic complex catalyst, a preparation method and a method for removing ofloxacin in a water body, and the catalyst is prepared by taking ellagic acid EA with an electron-rich structure as a ligand and iron atoms as coordination metal through a hydrothermal method. The invention relates to an iron-based metal-organic complex FeMOCs material which is an iron-based metal-organic complex FeMOCs material and is used for preparing six-coordination black powder with an amorphous nano-scale sheet structure and micron-scale cluster aggregation, the surface pore size distribution is mainly mesopores, and an efficient catalytic interface and a sufficient microscopic space are provided for a rapid and powerful reaction of an oxidizing agent persulfate and ofloxacin in a water body. The catalyst has an adsorption-degradation synergistic effect, and is named as an EFE-150 catalyst. The catalyst is synthesized by adopting a solvothermal method, is applied to catalyzing PDS to efficiently remove ofloxacin in a water body, has the characteristics of quick response, self-sustaining, low cost and the like, and can meet the requirements of large-scale popularization and application.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

EGFR targeted nano-drug carrier and preparation method thereof

The invention discloses an EGFR (epidermal growth factor receptor) targeted nano-drug carrier and a preparation method thereof, the EGFR targeted nano-drug carrier comprises drug-loading nanoparticles, an erythrocyte membrane coating the drug-loading nanoparticles and GE11 peptide connected to the erythrocyte membrane, and the drug-loading nanoparticles are formed by connecting tannic acid, ellagic acid and 1, 4-phenyldiboronic acid through boric acid ester bonds. The EGFR targeted nano-drug carrier disclosed by the invention can be enriched at an EGFR overexpressed tumor site in a targeted manner, and can be effectively prevented from being cleared by an immune system, and the drug loaded by the drug-loaded nanoparticles is released in a high-active oxygen environment, so that the treatment effect on tumors can be improved, and the toxic and side effects on normal tissues can be reduced; and photothermal therapy and chemotherapy effects can be simultaneously generated under NIR illumination, and the anticancer efficiency can be remarkably improved through the synergistic effect of the photothermal therapy and the chemotherapy.
Owner:CHONGQING UNIV CANCER HOSPITAL

Organic fertilizer suitable for increasing yield and killing pests of tea leaves and preparation method of organic fertilizer

The invention discloses an organic fertilizer suitable for tea yield increase and insect killing and a preparation method thereof, and relates to the technical field of organic fertilizer and microbial fertilizer manufacturing. The organic fertilizer is prepared from straw, chicken manure, radix inulae, clinacanthus nutans, affine cudweed, periploca forrestii schltr, ellagic acid-rice protein zymolyte, sodium laurate modified diatomite, sodium humate, urea, compound microorganism bacteria and water. The compound microorganism bacterium is composed of candida utilis saccharomycetes and neurospora intermedia. The compound microorganism bacteria in the organic fertilizer are beneficial to accelerating fermentation decomposition of the straw, the chicken manure, the sodium humate, the urea and the traditional Chinese medicine plants and promoting macromolecular substances to be converted into micromolecular active ingredients, then ellagic acid-rice protein zymolyte and sodium laurate modified diatomite are supplemented, and the yield of tea tree planting is increased through reasonable proportion of nutritional ingredients.
Owner:郴州市农业科学研究所

Fermented lonicera caerulea juice capable of reducing astringency and increasing organic calcium content as well as preparation method and application of fermented lonicera caerulea juice

The invention relates to the technical field of fermentation, in particular to fermented lonicera caerulea juice capable of reducing astringency and increasing the content of organic calcium as well as a preparation method and application of the fermented lonicera caerulea juice. The fermented lonicera caerulea juice disclosed by the invention is prepared from the following components in parts by mass: 95 to 105 parts of lonicera caerulea pulp, 0.5 to 1 part of eggshell powder and 1 to 4 parts of fermentation bacteria. The calcium content in the fermented lonicera caerulea juice prepared by the method disclosed by the invention can be up to 2000mg / L, bitter and astringent substances such as ellagic acid and secologanin are effectively reduced, the bitter and astringent taste is improved, and the roundness and aroma acceptance of the whole taste are improved. The obtained lonicera caerulea fermented juice is pleasant in flavor, balanced in nutrition, high in calcium content and suitable for development of functional beverages and healthy food.
Owner:CHENGUANG BIOTECH GRP CO LTD +1

Preparation method of nano waterproof fabric

The invention relates to a preparation method of a nano waterproof fabric. According to the method, ellagic acid is introduced in the self-polymerization process of dopamine for in-situ reduction, a polydopamine bonding layer and a silver nanoparticle anchoring layer are synchronously constructed on the surface of nano silicon dioxide, and then perfluorodecyltriethoxysilane is catalyzed by silver nanoparticles for a regioselective click chemical reaction, so that the nano silicon dioxide is obtained. The multifunctional bionic core-shell particles with catalytic activity and super-hydrophobicity are prepared. The particles are compounded with a fluorosilicone copolymer containing dynamic disulfide bonds, a fluorosilicone polymer containing boric acid ester groups and a tannic acid-metal complex to form a double-dynamic cross-linking finishing agent system. After a fabric is subjected to ultraviolet / ozone pretreatment, discontinuous polydopamine nanodot arrays are formed on the surfaces of fibers through short-time dopamine polymerization to serve as catalytic sites, then interface priority crosslinking is triggered by utilizing the sites, and finally, dynamic keys are driven to cooperatively exchange through ultraviolet light fixation and heat treatment, so that the intelligent dynamic waterproof membrane is formed.
Owner:ZHEJIANG GIUSEPPE GARMENT

Synergistic whitening composition, application thereof and cosmetics

The invention belongs to the technical field of cosmetics, and provides a synergistic whitening composition, application thereof and cosmetics, the synergistic whitening composition comprises ellagic acid and tetrahydromagnolol, and the mass ratio of the ellagic acid to the tetrahydromagnolol is 50: 1-1: 10. In the composition provided by the invention, the ellagic acid and the tetrahydromagnolol have a synergistic whitening effect, and in the aspect of inhibiting melanogenesis, the effect of the composition is obviously greater than the sum of the effects of independently using the ellagic acid and independently using the tetrahydromagnolol.
Owner:SHANGHAI HUARUI WANMEI BIOTECHNOLOGY CO LTD +1

Processing method and quality control method for toxicity reduction and efficacy enhancement of Lingshi

The invention relates to the technical field of traditional Chinese medicines, in particular to a processing method and a quality control method for toxicity reduction and efficacy enhancement of radix cynanchi bungei. According to the method, the content of alangiine, the content of ellagic acid, the common peak area of characteristic peaks and the content of water-soluble extracts in the wine-roasted berberis scenting decoction pieces are measured by adopting a high performance liquid chromatography (HPLC) method, and subjective assignment is carried out on the characters of the wine-roasted berberis scenting decoction pieces by combining Delphi evaluation to serve as evaluation indexes; the method comprises the following steps: determining the weight coefficient of each index by adopting an analytic hierarchy process-index repeatability correlation mixed weighting method (AHP-CRITIC), and screening the optimal wine roasting process of the Zhuang medicine Tibetan scene by combining the three factors of the frying temperature, the frying time and the yellow wine amount with star point design (CCD)-effect surface (RSM) according to the coefficients. And finally determining the optimal process of stir-frying the radix berberidis with wine as follows: the stir-frying temperature is 150 DEG C, the stir-frying time is 16min, the amount of yellow rice wine is 10%, and moistening is performed for 24h.
Owner:GUANGXI UNIV OF CHINESE MEDICINE

Elagic acid-copper metal organic framework nano-material, preparation method thereof and application of nano-material as antitumor drug carrier

The invention discloses an ellagic acid-copper metal organic framework nano material, a preparation method thereof and application of the nano material as an anti-tumor drug carrier. According to the nano material, natural polyphenol ellagic acid is used as an organic ligand, copper ions are used as a metal center, and a three-dimensional supramolecular frame structure is formed through coordination. The preparation method comprises the following steps: mixing an N-methyl pyrrolidone solution of ellagic acid with a methanol solution of copper sulfate, and stirring and reacting at room temperature to efficiently synthesize the copper sulfate. The nano material has excellent antibacterial activity and efficient anti-tumor drug loading capacity, has the intelligent drug release characteristic of dual response of pH and glutathione, and can accurately release drugs in a tumor microenvironment. The nano material provided by the invention can be used as an anti-tumor drug carrier, synchronously realizes anti-tumor and antibacterial dual effects, effectively prevents and treats bacterial infection complications in tumor treatment, and provides a new material for developing a new strategy for tumor synergistic treatment.
Owner:LANZHOU INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

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

Herbal probiotic composition with whitening and anti-aging effects and preparation method thereof

The invention relates to the technical field of cosmetics, and discloses a herbal probiotic composition with whitening and anti-aging effects and a preparation method thereof. The herbal probiotic composition is prepared from alpha-arbutin, licoflavone, bakuchiol, resveratrol, ellagic acid, a metagen complex, skin micro-ecological prebiotics, sodium phytate, ferulic acid, rosemary polyphenol, polycystic liposome and the balance of a carrier suitable for skin. The herbal probiotic composition disclosed by the invention realizes stable co-delivery of hydrophilic and lipophilic activities and effective retention of cuticles under mild pH, synergistically inhibits blackness, resists oxidation and supports microecology, and improves the effective content and batch-to-batch consistency in the shelf life through metal ion accessibility control, so that the whitening and anti-aging effects are improved.
Owner:BEIJING XIEHE BIOLOGICAL ENG RES INST CO LTD

Oral Composition

The present invention provides an oral composition that can be used for anti-obesity, suppressing fat absorption, suppressing an increase in neutral fat, suppressing sugar absorption, suppressing an increase in blood sugar level, reducing body fat, or reducing BMI. An oral composition containing gallic acid and catechins, The oral composition has a mass ratio of gallic acid:catechins=1:0.1 to 5. The oral composition preferably further contains ellagic acid. It is also preferably used for anti-obesity, suppression of fat absorption, suppression of increase in neutral fat, suppression of sugar absorption, suppression of increase in blood glucose level, reduction of body fat, or reduction of BMI.
Owner:TOYO SHINYAKU KK

Method for producing ellagic acid-containing composition and ellagic acid-containing composition

An object of the present disclosure is to provide a novel method for producing an ellagic acid-containing composition, the method capable of improving the solubility of ellagic acid. The present embodiment is a method for producing an ellagic acid-containing composition, including: a step of providing a solution containing at least an aqueous medium and a raw material derived from a plant of the genus Terminalia, containing ellagic acid; and a step of heat-treating the solution. The present embodiment is the production method, further including a step of a hydrolysis treatment to hydrolyze ellagitannin contained in the raw material to produce additional ellagic acid, wherein the hydrolysis-treated solution is heat-treated.
Owner:SUMITOMO CHEM CO LTD

Application of ellagic acid in preparation of medicine or biological product for preventing or relieving ultraviolet radiation damage and aging

The invention discloses application of ellagic acid in preparation of a medicine or a biological product for preventing or relieving ultraviolet radiation damage and aging, and belongs to the technical field of biological medicine and radiation protection. Experimental verification shows that ellagic acid with effective concentration can promote expression of antioxidant related genes, reduce expression of inflammation response genes and expression of apoptosis related genes, eliminate active oxygen and inhibit lipid peroxidation reaction, so that oxidative damage, inflammatory reaction and apoptosis caused by ultraviolet radiation are effectively relieved, and the anti-inflammatory effect of ellagic acid is improved. The stress tolerance of an organism is improved, and the aging health risk induced by ultraviolet radiation is relieved; the medicine or biological product can be applied before and / or after exposure of ultraviolet radiation, and is suitable for preventing or relieving oxidative damage and cell aging caused by ultraviolet radiation. The invention provides a new way for developing safe and effective ultraviolet radiation protection and anti-aging preparations.
Owner:DALIAN MARITIME UNIVERSITY

Low-sugar gum soft sweets and preparation method thereof

The invention relates to low-sugar gum soft sweets and a preparation method thereof. The soft sweets comprise the following raw materials in parts by weight: 18-35% of a pectin compound, 40-50% of a sweetening agent, 3-5% of a plasticizer, 0.3-0.8% of malic acid, 0.2-0.5% of sodium citrate and the balance of deionized water. Wherein the pectin compound comprises the following raw materials in percentage by weight: 10-20% of a cation matrix, 15-25% of an anion matrix, 5-10% of a neutral matrix and the balance of deionized water; the cation matrix comprises chitosan hydrochloride and calcium salt, the anion matrix comprises the following raw materials: low-methoxyl pectin, high-methoxyl pectin, ellagic acid and cumaric acid, and the neutral matrix is locust bean gum. The cation matrix, the anion matrix and the neutral matrix of the pectin compound cooperate to make up the defects of weak structure, poor water retention, easy aging and the like caused by sucrose deficiency in a low-sugar environment, so that the soft sweets have both elasticity and toughness.
Owner:RED KANGAROO INTERNATIONAL BIOTECHNOLOGY (GUANGZHOU) CO LTD

Novel beverage and preparation method thereof

The invention relates to a novel beverage and a preparation method thereof. Comprising the following components in percentage by weight: 0.05%-0.6% of a double-petal red rose distillation extracting solution, 0.05%-0.6% of food-grade hyaluronic acid, 0.05%-0.6% of xylitol or erythritol, 0.1%-0.3% of a butterfly bean flower extracting solution, 0.05%-0.2% of a turmeric root extracting solution, 0.03%-0.1% of mint leaf essence, 0.1%-0.4% of chia seed powder, 0.2%-0.5% of aloe juice, 0.1%-0.3% of a pomegranate extracting solution, 0.05%-0.2% of a green tea extracting solution, 0.02%-0.1% of citric acid and the balance of water. Hyaluronic acid and rose hydrolat are added, so that the oral liquid has the effects of moisturizing, resisting aging, soothing liver-qi stagnation and relieving and reducing pressure after being orally taken, aloe polysaccharide and chia seeds form a stable colloidal network, satiety and skin repair capacity are improved, low sugar and low burden are achieved, pomegranate ellagic acid has the effects of resisting inflammation, natural color matching with butterfly bean flowers is achieved, visual interest is enhanced, green tea catechin and curcumin are compounded to resist oxidation, promote metabolism and strengthen immunity, and the oral liquid has the effects of promoting metabolism and improving immunity. And the defects of irritation, single nutrition and the like of the traditional beverage are overcome.
Owner:HONGHE NATURE WATER IND CO LTD

Application of ellagic acid in preparation of medicine for preventing or treating ionizing radiation injury

PendingCN121059595AOrganic active ingredientsAntinoxious agentsRadiation-protective agentsIonising radiation exposure
The invention discloses application of ellagic acid in preparation of a medicine for preventing or treating ionizing radiation injury, and belongs to the technical field of biological medicine and radiation protection. Experiments prove that ellagic acid with an effective concentration can inhibit lipid peroxidation, enhance the activity of glutathione transferase and superoxide dismutase and promote the expression of antioxidant related genes such as sod-1, sod-2, gst-1 and gst-29 and immune related genes such as lys-1, irg-1, irg-2 and mul-1, so that the ellagic acid with an effective concentration can inhibit lipid peroxidation and improve the activity of glutathione transferase and superoxide dismutase. Therefore, oxidative damage, inflammatory response, reduced stress tolerance, accelerated aging and shortened service life caused by ionizing radiation exposure are relieved, and the compound can be applied to preparation of drugs for preventing or treating ionizing radiation damage and is suitable for nuclear accident emergency protection, space radiation protection of astronauts and adjuvant therapy of tumor radiotherapy patients. The invention provides a theoretical basis for developing an efficient and low-toxicity ionizing radiation protective agent based on ellagic acid, and has a wide application prospect.
Owner:DALIAN MARITIME UNIVERSITY

Raspberry NFYA3 gene and application thereof in raspberry secondary metabolism

The invention provides a raspberry NFYA3 gene and application of the raspberry NFYA3 gene in raspberry secondary metabolism. The amino acid sequence of the NFYA3 gene is as shown in SEQ ID NO. 1, and the nucleotide sequence for coding the gene is as shown in SEQ ID NO. 2. The gene can regulate and control synthesis of secondary metabolites, especially ellagic acid, in transgenic plants. The overexpressed NFYA3 gene significantly enhances the synthesis of ellagic acid in raspberry, and has wide agricultural and medicinal values.
Owner:YUNNAN AGRICULTURAL UNIVERSITY

Method for manufacturing a whitening composition

To provide a whitening composition that has excellent whitening effects. [Solution] The present invention provides a whitening composition comprising eugenin, ellagic acid, and gallic acid, wherein the content of ellagic acid per 1 part by mass of eugenin is 5 parts by mass or more and 15 parts by mass or less, and the content of gallic acid per 1 part by mass of eugenin is 10 parts by mass or more and 30 parts by mass or less. Furthermore, the content of ellagic acid in the whitening composition is X EA [Mass %], gallic acid content is X GA When expressed as [mass %], 0.34 ≤ X EA / X GA It is preferable that the condition ≤0.80 is met. Furthermore, it is preferable that the sum of the content of eugenin, ellagic acid, and gallic acid in the whitening composition is 1.41% by mass or more and 1.85% by mass or less.
Owner:TOYO HAKKO

Environment-friendly bio-based chinlon core-spun yarn and preparation method thereof

The invention discloses an environment-friendly bio-based chinlon core-spun yarn and a preparation method thereof, and belongs to the technical field of bio-based high polymer materials and functional textile materials. The chinlon core-spun yarn comprises synergistically modified bio-based nylon-6, ellagic acid, an antioxidant, nano titanium dioxide, an antistatic agent and a lubricant; wherein the synergistically modified bio-based nylon-6 is a multi-network synergistically enhanced system formed by in-situ construction of a boron-oxygen heterocyclic structure, a dynamic sulfydryl exchange structure and an interface anchoring structure by bio-based nylon-6, phenylboronic acid, catechol, 2, 3-dimercaptosuccinic acid and gamma-aminopropyltriethoxysilane under a melting condition; the ellagic acid participates in the interchain multiple hydrogen bond and pi action through the rigid polyphenol conjugated structure of the ellagic acid, so that molecular-level synergistic regulation is realized. Under the condition of not increasing the load of the inorganic filler, the tensile strength and the thermal stability of the yarn are remarkably improved, the thermal shrinkage rate is reduced, the ultraviolet resistance and the thermo-oxidative aging durability are improved, and good environmental friendliness and industrial application prospects are achieved.
Owner:YANCHENG HONGSHUN TEXTILE CO LTD

Odor-free coating coalescing agent and preparation method thereof

The invention belongs to the technical field of coalescing agents, and particularly relates to an odor-free coating coalescing agent and a preparation method thereof. The active polymer in the coalescing agent is prepared by adopting renewable polyphenol ellagic acid as an initial raw material, forming a polyether chain segment by utilizing a plurality of phenolic hydroxyl groups in the structure of the reactive polymer and epoxypropane through ring opening polymerization, and then introducing disulfide through acylation and nucleophilic substitution reaction. The boiling point of the coalescing agent exceeds 290 DEG C, and the coalescing agent is an odorless coalescing agent, does not make paint generate unpleasant odor when being used in civil water-based paint, can effectively improve the film forming speed of the paint, and also can improve the glossiness, impact resistance and wear resistance of a paint coating.
Owner:SIPSON NEW MATERIALS (SHANGHAI) CO LTD

Method for simultaneously determining contents of various components in Shuanling antidiarrheal granules based on UPLC-QQQ-MS / MS technology

The invention relates to the technical field of pharmaceutical analysis, and discloses a method for simultaneously determining the contents of various components in Shuanling antidiarrheal granules based on a UPLC-QQQ-MS / MS. The contents of 18 components in the Shuanling antidiarrheal granules are simultaneously determined by using an ultra-high performance liquid chromatography-tandem triple quadrupole mass spectrometer. The 18 components comprise adenosine, gallic acid, protocatechuic acid, neochlorogenic acid, chlorogenic acid, cryptochlorogenic acid, liquiritin, ellagic acid, kaempferitrin, narirutin, hesperidin, baicalin, oroxylin A-7-O-beta-D-glucuronide, wogonin, baicalein, wogonin, pachymic acid B and pachymic acid A. The invention further discloses a preparation method of the pharmaceutical composition. Through the UPLC-QTRAP-MS / MS combined technology, the technical prejudice that single component depends on in quality control of the traditional Chinese medicine compound preparation is broken through, the key problems that multiple components in a complex matrix are difficult to separate, low-content components are difficult to detect and the like are solved, efficient, accurate and synchronous determination of 18 components is achieved, and the method is suitable for large-scale popularization and application. A new reference path is opened up for modernized quality control of the traditional Chinese medicine compound preparation.
Owner:TAIJI GRP CHONGQING FULING PHARM FACTORY CO LTD

Application of Xinjiang pomegranate peel ellagic acid in caries prevention

PendingCN121197145AAntibacterial agentsOrganic active ingredientsMouth careStreptococcus sanguinis
The invention relates to the technical field of biological medicine, and particularly discloses application of Xinjiang pomegranate rind ellagic acid in caries prevention, in-vivo and in-vitro experiments prove that the ellagic acid can effectively inhibit floating growth and biofilm formation of streptococcus mutans, streptococcus sobrinus and streptococcus sanguis, MICs of the ellagic acid are 4 mmol / L, 2 mmol / L and 1 mmol / L respectively, and MBICs of the ellagic acid are 8 mmol / L, 4 mmol / L and 1 mmol / L respectively; meanwhile, the ellagic acid can obviously inhibit the acid production capacity of the cariogenic bacteria, the generation of water-insoluble exopolysaccharides and the adhesion to hydroxyapatite; in a rat caries model, by locally applying 1-8 mmol / L ellagic acid, the number of streptococcus in the oral cavity can be reduced in a dose-dependent manner, the caries damage degree of smooth surfaces of molar teeth and fossa and fissure can be relieved, the effect of the ellagic acid is equivalent to that of positive control drugs chlorhexidine and sodium fluoride under the high dose (8 mmol / L), and the ellagic acid shows good biological safety. Therefore, ellagic acid can be used for preparing safe and effective anti-caries drugs or oral care products.
Owner:FIRST AFFILIATED HOSPITAL OF XINJIANG MEDICAL UNIVERSITY

Low-odor high-smoothness polyethylene resin as well as preparation method and application thereof

The invention discloses low-odor and high-smoothness polyethylene resin as well as a preparation method and application thereof. The polyethylene resin comprises the following components in parts by mass: 100 parts of polyethylene resin A, 0.5-5 parts of smooth master batch, 0.5-5 parts of an initiator and 0-5 parts of an antioxidant, the smooth master batch is prepared by melting and blending raw materials including polyethylene resin B, a slipping agent, a grafting agent and a compatilizer; the slipping agent is selected from fatty acid amides, preferably one or more of oleamide, erucyl amide and octadecanamide; the grafting agent is selected from one or two of gallic acid and ellagic acid.
Owner:WANHUA CHEM GRP CO LTD

Stable high-internal-phase Pickering emulsion gel only based on ellagic acid particles and 3D printing application of stable high-internal-phase Pickering emulsion gel

The invention belongs to the technical field of emulsion gel preparation, and discloses stable high-internal-phase Pickering emulsion gel only based on ellagic acid particles and 3D printing application of the stable high-internal-phase Pickering emulsion gel. The preparation method of the emulsion set comprises the following steps: dispersing ellagic acid powder in water, performing ultrasonic treatment to obtain a suspension, then centrifuging the suspension, collecting supernate, and drying to obtain ellagic acid nanoparticles; weighing the ellagic acid nano-particles, putting the ellagic acid nano-particles into a non-polar solvent, and mixing to obtain an oil dispersion liquid of the ellagic acid nano-particles; and mixing the prepared oil dispersion liquid with water, and carrying out high-speed shearing emulsification to obtain the stable high-internal-phase Pickering emulsion gel only based on ellagic acid particles. According to the invention, the single ellagic acid nanoparticles are used as a stable medium for the first time, so that the process complexity and safety risk caused by multi-component compounding are avoided, and the simplification and greenization of system components are realized.
Owner:JINAN UNIVERSITY

Bleeding-stopping and inflammation-diminishing dressing patch

The invention discloses a hemostatic and anti-inflammatory dressing patch, which comprises a base layer, a colloid dressing layer and release paper, and is characterized in that the colloid dressing layer is composed of specific active ingredients and colloid dressing. The active component is prepared from asiaticoside, panax notoginseng saponins, ellagic acid, gallic acid and paeonol according to a specific weight part ratio. The core of the preparation method is as follows: aiming at active ingredients with different properties, firstly performing differential pretreatment, then mixing with a gel matrix composed of carbomer-940, polyvinylpyrrolidone K90 and the like through a step-by-step drug loading process, and finally performing cross-linking curing through medium-wave infrared preheating and ultraviolet irradiation to form a stable interpenetrating network hydrogel structure. Through component compounding and process innovation, the technical problems that multiple active components are poor in compatibility, prone to inactivation and uncontrollable in release in a matrix are effectively solved, the product has the multiple synergistic effects of rapid hemostasis, powerful anti-inflammation, lasting analgesia and healing promotion, and the performance of the product is remarkably superior to that of an existing product.
Owner:YANCHENG REN YUE BIOTECHNOLOGY CO LTD

Long-acting bromhidrosis-removing nano composition and preparation method thereof

The invention provides a long-acting bromhidrosis-removing nano composition and a preparation method thereof, and relates to the field of traditional Chinese medicine preparations. The long-acting bromhidrosis removal nano composition capable of treating both symptoms and root causes is obtained by fusing the traditional Chinese medicine sweating syndrome treatment theory and the nano transdermal technology, fundamental regulation and control of the armpit microenvironment are achieved through the triple mechanism of eliminating evil and strengthening the body resistance, transdermal synergism and ecological balance, and the drug effect durability is improved; the in-vitro half-life period of active ingredients such as ellagic acid is prolonged; preferably, the particle size of the nano silicon dioxide can convey the active ingredients to an apocrine duct, so that the effect of removing the active ingredients such as bromhidrosis berberine and ellagic acid is improved; according to the long-acting bromhidrosis-removing nano composition, fractionated coconut oil is adopted to neutralize the bitter cold property of coptis chinensis or berberine, and the skin irritation index is reduced to 0.32 (the traditional preparation is greater than or equal to 1.05), so that the long-acting bromhidrosis-removing nano composition has excellent long-acting antibacterial and bromhidrosis-removing effects and is small in skin irritation.
Owner:ZHEJIANG JINGNING SHE AUTONOMOUS COUNTY GUCI MEDICAL TECH CO LTD