233 results about "Puerarin" patented technology

The invention discloses a medicinal and edible anti-alcoholism composition and a preparation method thereof, and relates to the crossing field of biotechnology and food and medicine, the composition comprises the following components: dried orange peel powder, vitamin C, glutathione, phellinus igniarius extract, polygonatum sibiricum extract, oriental wormwood extract, isatis root extract, schisandra chinensis extract, ginseng powder, lucid ganoderma extract and licorice extract. Silymarin, puerarin, white tomato powder, watermelon powder, fucoidin, tomato powder, mung bean powder, celery powder, turmeric powder, hawthorn fruit powder, honey powder, corn peptide, soybean peptide powder, xanthan gum and stevioside are added. The composition provided by the invention has the effect of increasing the content of ethanol dehydrogenase and acetaldehyde dehydrogenase in blood after drinking, and has the capability of promoting alcohol metabolism.

The invention relates to the field of food and health care products, and discloses a composition for dispelling effects of alcohol and protecting liver, which comprises 20-100 parts of ampelopsis grossedentata leaf extract; 50 to 200 parts of a radix puerariae extract; 10-50 parts of a semen hoveniae extract; 10-50 parts of a turmeric extract; 10 to 100 parts of a yeast extract; 5-50 parts of a licorice extract; and 5 to 20 parts of pyrroloquinoline quinone disodium salt. The ampelopsis grossedentata leaf extract, the kudzuvine root extract and the hovenia dulcis thunb extract are utilized, alcohol decomposition is promoted, the blood ethanol concentration is reduced, and drunkenness symptoms are relieved. Puerarin improves activity of liver metabolic enzymes, accelerates discharge of ethanol and acetaldehyde, and reduces liver damage. The anti-oxidation effects of dihydromyricetin and PQQ can eliminate alcohol metabolism free radicals and protect liver cells. The components such as puerarin, hovenia dulcis thunb, curcumin and glycyrrhizic acid jointly promote liver cell regeneration, inflammation and oxidative damage are reduced, the levels of ALT and AST in serum are reduced, and liver health is maintained.

The invention discloses an edible and medicinal composition for dispelling effects of alcohol and protecting liver as well as a preparation method and application thereof, and belongs to the technical field of functional foods. The composition consists of the following raw materials in parts by weight: 1-8 parts of ampelopsis grossedentata extract freeze-dried powder, 1-8 parts of astragalus membranaceus extract freeze-dried powder, 1-5 parts of kudzu vine root extract freeze-dried powder, 1-8 parts of hawthorn extract freeze-dried powder and 1-5 parts of cassia seed extract freeze-dried powder. The composition is designed according to a multi-component synergistic interaction principle, and the functions of protecting the liver and dispelling the effects of alcohol are enhanced through targeted interaction of active ingredients such as ampelopsis grossedentata flavone, puerarin and astragaloside; the compound preparation has the compound effects of protecting the liver, dispelling the effects of alcohol, resolving dampness, resisting oxidative stress, regulating lipid metabolism and the like, can remarkably relieve the problems of acute and chronic liver injury and metabolic disorder caused by alcohol intake, and meets the food-grade safety standard and the medicinal activity requirement; the important application prospect is realized in the aspect of preparing a preparation for relieving alcoholic liver injury and improving the liver detoxification function.

The invention provides an application of puerarin in treatment of periodontitis. The molecular mechanism of puerarin (Pue) for treating periodontitis (PDS) is verified through a plurality of in-vitro and in-vivo experimental studies. In PDS mice, Pue treatment relieves periapical tissue inflammation and bone destruction, and promotes osteogenic differentiation and autophagy of periapical tissues. In a PDS cell model, Pue treatment promotes osteogenic differentiation and mitochondrial autophagy, inhibits inflammation, maintains mitochondrial membrane potential and mitochondrial dynamic homeostasis, and activates mitochondrial Mfn2. In addition, the mitochondrial autophagy inhibitor eliminates the influence of Pue on a PDS cell model, and Mfn2 silence reverses mitochondrial autophagy enhancement induced by Pue. In-vivo tests verify that Mfn2 knockout counteracts the therapeutic effect of Pue on PDS mice. The invention provides a sufficient basis and an exact molecular mechanism for application of puerarin in treatment of periodontitis.

The present invention relates generally to methods and compositions for treating the skin of a subject. In some embodiments, the methods and compositions disclosed herein include topical or oral administration of a nutraceutical composition and / or topical composition wherein the composition comprises at least two of puerarin, collagen, and hyaluronic acid.

The invention belongs to the technical field of traditional Chinese medicine fermentation, and particularly relates to a radix puerariae fermented product with a blood pressure reducing effect and a preparation method thereof. The preparation method comprises the following steps: (1) adding water into kudzuvine root powder, uniformly mixing, and carrying out ultrasonic treatment to obtain a mixed solution; (2) sterilizing the mixed solution to obtain a sterilized solution; and (3) adding a leavening agent into the sterilized solution, fermenting at 25-35 DEG C for 24-72 hours to obtain a fermentation solution, and performing solid-liquid separation on the fermentation solution to obtain a fermentation supernatant, namely a fermentation product. According to the method, the content of puerarin, genistein and total triterpenes in the radix puerariae fermentation liquor can be increased, and a very good blood pressure reducing effect is achieved.

The invention relates to the technical field of cosmetics, in particular to a preparation method and application of a supramolecular solvent containing puerarin. The supramolecular solvent containing puerarin comprises puerarin, a hydrogen bond donor and a hydrogen bond receptor, the molar ratio of the hydrogen bond donor to the acceptor is (1-3): (1-2). The puerarin-containing supramolecular solvent formed by using weak interaction force such as hydrogen bonds can effectively solve the problems that puerarin is easy to separate out in the product and poor in transdermal absorption and the like, and meanwhile, the puerarin-containing supramolecular solvent can synergistically promote the effect of puerarin in the oil-control acne-removal product. Cosmetics prepared by adopting the supramolecular solvent prepared by the invention have good oil control and soothing effects, and the preparation process is simple, large-scale production is easy, and the properties are stable.

The invention discloses a composition formula for assisting in protecting the liver and dispelling the effects of alcohol, and relates to the field of health food, the composition has an assisting effect on protecting the liver and dispelling the effects of alcohol, and the composition comprises the following composition components: milk thistle (0.466-0.482), puerarin (0.069-0.075), globe artichoke extract (0.065-0.072), glutathione (0.04-0.049), dandelion extract (0.151-0.164) and hydrogen butyric acid (0.146-0.162). By adopting the composition formula for assisting in protecting the liver and eliminating the alcohol, the composition has obvious effects of inhibiting the liver from generating lipid oxide and assisting the human liver in eliminating oxide substances, and meanwhile, the composition can be used for preventing lipid peroxidation damage by improving the activity of glutathione reductase and improving the antioxidant effect; therefore, the effects of protecting the liver and reducing injury are achieved. The components of the composition are equal-part particles formed by physical stirring and uniform mixing, the components are complementary and synergistic, the composition is safe and free of side effects to human bodies, the raw materials of the composition formula are convenient to purchase, the production benefits are high, and wide application is facilitated.

The invention discloses a preparation method of a liver protection medicine composition containing dihydromyricetin, and relates to the technical field of medicine preparation.According to the method, dihydromyricetin, puerarin, pueraria flower extract, corn oligopeptide, pyrroloquinoline quinone disodium salt, curcumin and ganoderan are used as raw materials; dihydromyricetin and puerarin are stirred, homogenized and dried in a mixed solvent to prepare the liver protection medicine composition, wherein the mass ratio of dihydromyricetin to puerarin is 1: (0.5-2). A multi-target liver protection system is constructed through cooperation of multiple components, the problems that a traditional liver protection medicine is poor in component solubility, easy to degrade in activity and weak in synergistic effect are solved, the bioavailability and stability of the product are improved, the process is simple and controllable, the preparation method is suitable for industrial production and can be prepared into oral preparations such as tablets and oral liquid, and the preparation method is suitable for industrial production. The composition is suitable for protection of alcoholic and chemical liver injury.

The invention discloses puerarin hydrogel based on a natural eutectic solvent as well as a preparation method and application of the puerarin hydrogel, and belongs to the technical field of pharmaceutical preparations and transdermal drug delivery. The preparation method comprises the following steps: mixing a hydrogen bond acceptor and a hydrogen bond donor, heating and stirring to obtain a natural eutectic solvent; puerarin is mixed with the natural eutectic solvent, and a puerarin solution is obtained; mixing the puerarin solution with a polyvinyl alcohol aqueous solution to obtain a mixed solution; and pouring the mixed solution into a mold or spreading the mixed solution into a film, and then carrying out freeze-thaw cycle to obtain the puerarin hydrogel based on the natural deep-eutectic solvent. According to the invention, a natural eutectic solvent is introduced into a hydrogel system, so that a carrier system with'high solubilization, gel forming and controllable physicochemical properties' is obtained, and meanwhile, the bottleneck of low solubility and low permeability of puerarin is solved. The puerarin hydrogel based on the natural eutectic solvent can be used as a skin external preparation for local administration.

The present invention discloses a puerarin microcapsule for intestinal targeted release and its preparation method and application in the field of puerarin microcapsule embedding technology. The preparation method is as follows: using yeast β-glucan as an embedding carrier, in a solution environment, puerarin is embedded in yeast β-glucan under ultrasound to form a core material to obtain a first mixed solution; then sodium alginate powder is added to the first mixed solution under stirring to coat the surface of the core material with sodium alginate to form a layer of wall material to obtain a second mixed solution; using a sharp hole method, the second mixed solution is added dropwise to a coagulation bath for solidification, washed, and freeze-dried after solid-liquid separation to obtain puerarin microcapsules. The preparation method of the present invention is simple and easy to operate, selects medicine and food homologous substances as raw materials, does not introduce toxic and harmful chemical preparations such as cross-linking agents, avoids chemical pollution and potential health risks, and the puerarin microcapsules of the present invention have good intestinal sustained release and antioxidant properties.

The present invention discloses a nano-thermosensitive assembled gel for nasal administration, a preparation method thereof and its use, namely, mitochondrion-targeted puerarin nanoparticles, a thermosensitive gel, a preparation method thereof and its use. The nano-thermosensitive assembled gel for nasal administration of the present invention uses chitosan modified with SS-31 peptide having mitochondrion-targeting and transmembrane properties as a carrier material, and uses a thioketal cross-linking agent sensitive to reactive oxygen species (ROS) to cross-link the modified chitosan to prepare nanoparticles loaded with puerarin. Through a poloxamer thermosensitive gel system, a thermosensitive nanogel drug reservoir encapsulating the nanoparticles is constructed, and its application in the preparation of drugs for treating nervous system diseases realizes the targeting of the drug to the mitochondria of cerebral ischemic stroke injury, responsive cleavage in an environment rich in ROS, release of the drug, increase of the drug concentration in the mitochondria, and improvement of the brain bioavailability of puerarin, providing a more suitable and effective new dosage form for the treatment of stroke.

The invention discloses a bionic carrier-free nano-drug coated with a macrophage membrane as well as a preparation method and application of the bionic carrier-free nano-drug. The preparation method of the bionic carrier-free nano-drug comprises the following steps: S1, preparing PR-coated PBNPs: preparing a carrier-free self-assembled nano-drug PR-coated PBNPs from puerarin PR and probucol PB by adopting a nano-precipitation method; and S2, preparing MPR (at) PBNPs: coating the surface of the PR (at) PBNPs with a macrophage membrane, so as to obtain the bionic carrier-free nano-drug MPR (at) PBNPs. According to the nano-drug disclosed by the invention, due to the coating of a macrophage membrane, MPR-coated PBNPs can be promoted to be enriched to an AS diseased region; in the plaque region, the MPR-coated PBNPs releases PR and PB drugs, so that the oxidative stress and apoptosis of endothelium and macrophages are effectively relieved; in addition, endothelial cells can be inhibited from absorbing lipid and foam macrophages can be prevented from being formed, so that the atherosclerosis can be efficiently and safely treated.

The invention discloses a construction method and application of a specific chromatogram of a Shanhaidan pharmaceutical preparation, and belongs to the technical field of traditional Chinese medicine detection. The method comprises the following steps: preparing a test solution by using a plurality of different batches of Shanhaidan medicinal preparations in combination with high performance liquid chromatography and mass spectrometry technologies; the preparation method comprises the following steps: preparing a single reference substance solution from uridine, tanshinol, daidzin, p-hydroxybenzoic acid, puerarin, caffeic acid, 3 '-hydroxy puerarin, physcion, calycosin-7-O-beta-D-glucoside, stilbene glucoside, rosmarinic acid, alkannic acid, formononin, salvianolic acid B, daidzein and calycosin-7-one; and respectively carrying out high performance liquid chromatography analysis on the test solution and the reference solution to obtain the characteristic chromatogram of the Shanhaidan pharmaceutical preparation. The method is simple and convenient to operate, high in precision, good in reproducibility and accurate and reliable in result. And at least 16 components can be identified at one time under the same chromatographic condition, so that the detection efficiency is remarkably improved, the time and the cost are saved, and the quality of the Shanhaidan pharmaceutical preparation is comprehensively and scientifically evaluated.

The invention provides a traditional Chinese medicine composition for reducing blood sugar and blood pressure and a preparation method thereof, and belongs to the technical field of biological medicine, the composition comprises ivory white eggplant extract, parsley extract, banana zucchini rattan extract, coloured bean puffball extract, eucommia ulmoides glycoside and puerarin. The preparation method comprises the following steps: carrying out common enzymolysis on ivory white eggplant by using cellulase, pectinase and papain, and purifying by using an XAD-16 macroporous resin column and a Sephadex LH-20 gel column to obtain an ivory white eggplant extract; the method comprises the following steps: extracting parsley with an ethanol aqueous solution, and purifying with an AB-8 macroporous adsorption resin column to obtain a parsley extract; the preparation method comprises the following steps: extracting banana zucchini rattan by using an ethanol water solution, and purifying by using a D101 macroporous adsorption resin column to obtain a banana zucchini rattan extract; colored bean puffball is subjected to common enzymolysis with chitinase and ficin, extracted with a two-phase solvent and purified with an HPD-100 macroporous adsorption resin column, and the colored bean puffball extract is prepared. All the components are matched to realize synergy of reducing blood sugar and blood pressure.

The invention discloses an establishment method of an HPLC (high performance liquid chromatography) characteristic chromatogram of granules for treating common cold and clearing heat and a component content test thereof, and belongs to the technical field of pharmaceutical analys.According to the research, the HPLC characteristic chromatogram of the granules for treating common cold and clearing heat is established under the same chromatographic condition by adopting a high performance liquid chromatography, and the overall internal quality in a preparation is comprehensively reflected; the method for simultaneously determining the content of amygdalin, puerarin, cimicifugin and corydalis bungeana is established, methodology verifies that the method is simple, convenient and feasible, has good stability and repeatability, and can be used for detection in production process monitoring and quality evaluation of the cold and heat clearing granules to ensure that the quality of the cold and heat clearing granules meets the standard. The scheme not only scientifically restores the overall pharmacodynamic material basis of the compound preparation, but also provides a new generalizable normal form for quality control of traditional Chinese medicines with the advantages of low cost and high efficiency, and has milestone significance for promoting industry standardization and internationalization.

The application discloses a baicalin ternary co-amorphous drug and a preparation method and application thereof, and the amorphous substance can effectively improve the solubility and dissolution of puerarin and baicalin. The application mixes metformin hydrochloride, puerarin and baicalin according to a molar ratio of 1:1:1, and obtains the baicalin ternary co-amorphous drug through a ball milling method or a solvent-assisted milling method, the preparation method is green and efficient, the co-amorphous substance has high light stability and thermal stability, the solubility is increased by 1.7 times compared with that of a puerarin raw drug crystal, the solubility is increased by 46.8 times compared with that of a baicalin raw drug crystal, and the solubility is reduced by 14.8 times compared with that of a metformin hydrochloride raw drug crystal. The baicalin ternary co-amorphous drug has certain application prospects in liver protection, blood sugar reduction, treatment of damp-heat type colitis and cervical cancer.

The invention discloses a prebiotic black coffee beverage capable of improving the intestinal health function and a preparation method and application thereof, and belongs to the technical field of functional food. The invention discloses a prebiotic black coffee beverage with a function of improving intestinal health. The prebiotic black coffee beverage is prepared from the following raw materials: water, a black coffee concentrated solution, resistant dextrin, polydextrose, fructo-oligosaccharide, puerarin, mogroside and xanthan gum. The prebiotic black coffee drink added with prebiotics, dietary fibers and medicinal and edible components has the functions of improving intestinal health, promoting excretion and relaxing bowels, and is suitable for intestinal health management of people who have high sedentariness and irregular work and rest.

The invention relates to a male anti-ED composition containing a burdock root aqueous extract and a preparation method of the male anti-ED composition, and relates to the technical field of male anti-ED composition preparation. The composition comprises a burdock root aqueous extract, ginsenoside and puerarin, and the mass ratio of the burdock root aqueous extract to the ginsenoside to the puerarin is (5-8): (0.5-1): (0.2-0.5). The invention provides an anti-ED composition taking a burdock root aqueous extract, ginsenoside and puerarin as synergistic active components and a preparation method thereof. The curative effect is improved through a multi-target synergistic effect of ternary combination.

The invention discloses a medicinal and edible composite particle capable of relieving liver injury and a preparation method and application thereof.The particle is a puerarin-loaded phosphorylated hollow zein-chitosan oligosaccharide particle and has an efficient delivery structure with the exterior hydrophilic and the interior hydrophobic, the bioavailability is improved while the puerarin drug loading capacity is increased, and the bioavailability is improved. The circulation time in the body is prolonged, and the medicinal effect is enhanced. Meanwhile, the chitosan oligosaccharide in the components of the composite particle has a liver protection effect and can be cooperated with the anti-oxidation and anti-alcohol characteristics of puerarin, so that multi-target protection in alcoholic liver injury is realized, and the composite particle can be used for expanding and developing treatment medicines or health-care foods with anti-alcohol and liver-protecting effects and has remarkable economic and social values.

The invention discloses a method for efficiently extracting active ingredients from radix puerariae, the active ingredients comprise 3 '-hydroxypuerarin, the extraction method comprises the following steps: S1, raw material pretreatment: selecting dried radix puerariae tuberous roots, crushing and sieving with a 40-60-mesh sieve, and the invention relates to the technical field of plant active ingredient extraction. According to the method for efficiently extracting the active ingredients from the radix puerariae, through the synergistic effect of composite solvent extraction and gradient purification, synchronous and efficient enrichment is achieved on trace 3 '-hydroxypuerarin and a compound A in the radix puerariae, the extraction rate is larger than or equal to 15%, the extraction rate of the compound A is larger than or equal to 85%, and the extraction rate is increased by three times or above compared with a traditional single solvent extraction method; the total purity of the active ingredients is greater than or equal to 95%, the problems of low extraction rate of the target ingredients and difficult separation of impurities in the traditional process are solved, and the pharmacological activity of the 3 '-hydroxy puerarin and the compound A are synergistically enhanced, so that the application requirements of high-purity plant source active ingredients are met, and a high-quality raw material is provided for subsequent development.

The utility model relates to an extraction device, in particular to a hovenia dulcis thumb flavone puerarin extraction device. The hovenia dulcis thumb flavone puerarin extraction device comprises a bottom plate, an extraction tank, a pipeline, a condensing tower, a liquid outlet pipe, a filtering tank and the like, the left side of the top of the bottom plate is provided with an extraction tank, the left side of the upper part of the extraction tank is connected with two pipelines, the upper part of the extraction tank is connected and communicated with a condensing tower, the upper part of the condensing tower is connected and communicated with a liquid outlet pipe, and the lower part of the right end of the liquid outlet pipe is connected and communicated with a filtering tank. According to the puerarin concentration device disclosed by the utility model, the filtering membrane is arranged to filter an extracting solution after an extract is dissolved, and meanwhile, the semi-permeable membrane is arranged in the concentration tank to separate and purify a solvent, so that the concentration of the solvent is increased, the purity and the quality of a concentration procedure during puerarin extraction are improved, and the quality and the yield of later puerarin extraction are ensured.

The invention relates to a method for detecting the content of puerarin and phloretin in a plant extract, which belongs to the technical field of detection and analysis, and comprises the following steps: sample dissolution, liquid chromatography-tandem mass spectrometry detection and result calculation. According to the method, the content of phloretin and puerarin can be effectively detected, and the limit of quantitation reaches 0.1 ng / mL; according to the present invention, the LC-MSMS spectrum determined by the liquid chromatography-tandem mass spectrometry detection method has characteristics of stable baseline, no drift, strong tandem mass spectrometry detector selectivity and less interference, and has characteristics of good sensitivity, good linear relationship, good precision, good accuracy and good stability when the method is used for determining the phloretin content and the puerarin content, the method has important research value in the aspects of analysis, control research and the like of active ingredients in plant extract raw materials.

The application provides a pharmaceutical composition for functional dyspepsia and a preparation method and application thereof, and belongs to the technical field of medicines, and the pharmaceutical composition comprises the following components: Aucklandia, Atractylodes, Mentha, Agastache, Citrus aurantium, Uncaria, Tribulus terrestris, Guangdong Shenqu, Chrysanthemum, Poria cocos, Radix Trichosanthis, Coix seed, Magnolol, Imperatorin, Isoimperatorin, Oxypeucedanin, Ferulic acid, Vanillic acid, p-Coumaric acid and Puerarin. The pharmaceutical composition comprises traditional Chinese medicine components and compounds, the components interact with each other, the effect of the pharmaceutical composition on improving functional dyspepsia can be improved, and meanwhile, the pharmaceutical composition has excellent stability.

The invention discloses a method for extracting puerarin from kudzu vine root peel by using an ultrasonic-assisted ionic liquid solution. The method comprises the following steps: by taking waste kudzu vine root peel as a raw material, carrying out drying and crushing pretreatment, carrying out oscillation extraction under an ultrasonic condition by taking an ionic liquid aqueous solution as an extraction solvent, and adsorbing and purifying an extracting solution through an adsorbent to realize separation of puerarin and the ionic liquid. According to the method, the ionic liquid is used as a green solvent, mass transfer is enhanced by combining the ultrasonic cavitation effect, the extraction rate of puerarin is remarkably increased, and efficient recovery of the ionic liquid is achieved. The process is simple and convenient to operate, can be carried out at room temperature, and has outstanding environmental protection advantages. According to the method, the extraction rate of puerarin can reach 91.4% under optimal conditions, the recovery rate of ionic liquid can reach 99.9% through adsorption and purification, and the relative content of puerarin in desorption liquid is 92.9%.

The present invention relates to the technical field of liver-protecting formula compositions, and in particular, to a liver-protecting milk thistle formula composition, and a preparation method thereof. Technical problems: the liver-protecting milk thistle formula composition, and a preparation method thereof are intended to solve the technical problems that most of existing liver-protecting compositions in the prior art are designed for the general liver protection needs of the general population and cannot specifically treat liver damage caused by excessive alcohol intake and liver diseases such as cirrhosis, acute hepatitis, hepatitis, fatty liver, cholangitis, cholelithiasis, psoriasis, and hypercholesterolemia. Technical solution: a liver-protecting milk thistle formula composition, including the following components: silymarin, puerarin, artichoke extract, glutathione, dandelion extract, and GABA. The liver-protecting formula composition has a good therapeutic effect on liver damage caused by excessive alcohol intake, and liver diseases such as cirrhosis, acute hepatitis, hepatitis, fatty liver, cholangitis, cholelithiasis, psoriasis, and hypercholesterolemia.

The application provides a method for establishing HPLC fingerprint of Changnyle capsule (I), which is characterized in that 16 active components including gastrodin, danshensu, quercetin-3-O-beta-D-glucose-7-O-beta-D-gentiopicroside, 3'-hydroxy puerarin, puerarin, 3'-methoxy puerarin, puerarin apioside, paeoniflorin, daidzin, rosmarinic acid, shikonin, isoquercitrin, ononin, daidzein, salvianolic acid B and calycosin are used as reference substances, HPLC is adopted, methanol-acetonitrile-0.5vol% phosphoric acid aqueous solution is used as a mobile phase, different batches of samples are detected, and finally the fingerprint of Changnyle capsule (I) is obtained. The fingerprint can comprehensively represent the main components in Changnyle capsule (I), thereby being beneficial to the quality control of Changnyle capsule (I).

The invention discloses application of a rutin composition in preparation of a medicine for relieving toxicity of porcine hepatocytes, and belongs to the technical field of medicines. The rutin composition comprises rutin, vitamin C, vitamin E, tanshinone IIA, puerarin and licochalcone B. The invention further discloses a preparation method of the rutin composition. According to verification of the embodiment of the invention, it can be obtained that the rutin composition can relieve porcine liver cell toxicity by improving IPLs cell viability, restoring zearalenone to inhibit IPLs cell proliferation and restoring zearalenone to improve ROS yield in IPLs cells.

The invention relates to a florfenicol preparation for reversing drug resistance, and every 100 kg of the florfenicol preparation is prepared from the following raw materials by weight: 30 to 50 kg of florfenicol, 5 to 10 kg of puerarin, 0.5 to 1 kg of magnesium stearate, and the balance of silicon dioxide. The florfenicol preparation is subjected to low-temperature crushing treatment, the crystal form of the medicine can be prevented from being converted, the dissolution rate of the medicine is prevented from being reduced, the florfenicol and the puerarin are reasonably proportioned according to the formula, the optimal reverse drug resistance effect is achieved, and meanwhile, the product process is particularly suitable for industrial production.

The invention discloses a hydrogel dressing with antibacterial property, antioxidant property and pH responsiveness as well as a preparation method and application of the hydrogel dressing, and belongs to the technical field of biomedical materials. An aldehyde group generated after ring opening of genipin as a chemical cross-linking agent and an amino group in a high-molecular polymer are subjected to a Schiff base reaction to realize chemical cross-linking, puerarin molecules are self-assembled through non-covalent bonds including hydrogen bonds and hydrophobic interaction, and a gel network is formed; and Ag-coated CR composite nanoparticles synthesized by a microalgae extract and silver nitrate are loaded. The multifunctional hydrogel material provided by the invention has antibacterial, antioxidant and pH-responsive properties, shows excellent antibacterial ability for common pathogenic bacteria such as escherichia coli, staphylococcus aureus and the like, and can effectively inhibit wound infection.