42 results about "Liquiritigenin" patented technology

The invention relates to a qualitative and quantitative method for detecting active ingredients of root-strengthening and cough-relieving granules through UPLC-MS / MS, and belongs to the technical field of medicine analysis and detection. The four active ingredients of liquiritigenin, isoliquiritigenin, luteolin and bakuchiol in a sample can be detected at the same time. The method comprises the following steps: pretreating a sample by a 70% methanol ultrasonic extraction method to obtain a target sample solution, and detecting by using an SCIEX ExionLC AE high-pressure liquid phase system and an AB SCIEX 4500 mass spectrometer in combination with an MRM mode. Carrying out gradient elution on a liquid phase by using an HSS T3 C18 chromatographic column and 0.1% formic acid water-acetonitrile as a mobile phase; the mass spectrum is electrospray negative ion scanning, and a specific ion source and MRM parameters are set. The method can rapidly separate the four components, is short in detection period, high in sensitivity and strong in matrix interference resistance, can be accurately qualitative and quantitative, and provides support for preparation quality evaluation, pharmacodynamic mechanism research and clinical reasonable medication.

The invention discloses a method and system for predicting the effect of repairing lung injury by isoliquiritigenin based on machine learning, and relates to the field of drug effect prediction.The method comprises the steps that biomarker data and historical experiment repairing effect data are obtained; on the basis of molecular structure data and biomarker data, calculating a molecular interaction force index and a cell permeability index of the isoliquiritigenin, and analyzing through a multiple regression analyzer in combination with historical experiment repair effect data to obtain a repair effect coefficient; according to the repair effect coefficient, configuring an effect confidence interval, and performing range optimization on the molecular interaction force index and the cell permeability index to obtain an optimized biological activity index; and constructing an effect prediction model based on a neural network, inputting the optimized biological activity indexes into the effect prediction model, and outputting to obtain a lung injury repair effect prediction value. The problems that the prediction precision is insufficient and the prediction is too one-sided due to the lack of comprehensive analysis on a molecular mechanism and a biomarker are solved.

The invention discloses a platelet increasing capsule characteristic chromatogram and a construction method and application thereof, and belongs to the technical field of quality control of traditional Chinese medicine compound preparations. According to the method, 13 control components including gallic acid, catechin, paeoniflorin, forsythiaside B, benzoic acid, astragalus smicus glycoside, forsythin, arctiin, liquiritigenin, benzoyl paeoniflorin, paeonol, arctigenin and indirubin are selected, a high performance liquid chromatography-mass spectrometry technology is applied, multiple batches of preparation samples are analyzed, and the content of the components in the preparation samples is determined. And establishing a characteristic spectrum of the chemical components. Compared with a traditional method, the technology has good precision and reproducibility, the data result is accurate and reliable, meanwhile, the technology can identify the 13 components at the same time under the same chromatographic condition, the analysis efficiency is remarkably improved, synchronous monitoring of multiple effective components is achieved, and the consistency and stability of the preparation quality can be guaranteed.

The invention discloses an application of a composition of isoliquiritigenin (glycoside), licochalcone and ethnic groups thereof in personal care products, and relates to the technical field of daily chemicals, and the composition is an anti-allergy soothing composition prepared based on a natural plant licorice extract isoliquiritigenin or a glycoside compound isoliquiritigenin thereof, licochalcone A and ethnic groups of licochalcone B, C, D, E and G. The traditional Chinese medicine composition has multiple functions of resisting allergy, relieving, resisting bacteria, diminishing inflammation, improving skin itch and stabbing pain and the like, does not contain hormones and antibiotics, has no toxic or side effect, is mild in effect and non-irritant to skin, can be used for treating skin allergy, red and swollen skin, itch and stabbing pain caused by various reasons, is applied to cosmetics and skin care products, such as gel, cream, masks and facial cleansers, and can be used for treating skin allergy, red and swollen skin, pruritus and stabbing pain caused by various reasons. The skin care product is mild to human bodies, safe and non-irritant, is suitable for sensitive skin, is suitable for people of all ages to use, has strong market competitiveness, and has relatively high economic and social benefits and the like.

The invention provides a method for simultaneously separating three flavone monomeric compounds from glycyrrhiza glabra, and belongs to the technical field of compound separation. The method comprises the following steps: mixing glycyrrhiza glabra powder with ethanol, carrying out supercritical CO2 extraction, carrying out spin-drying, mixing an extract and ethanol, carrying out ultrasonic dissolution and standing in sequence, adding a supernatant fraction into a macroporous resin chromatographic column from the upper part, eluting the macroporous resin chromatographic column with ethanol, and carrying out vacuum concentration to obtain the glycyrrhiza glabra extract. Desolventizing the eluted fraction to obtain a main fraction extract; mixing the main fraction extract with a recrystallization solvent, and standing the mixed solution to obtain a solid 1 and a filtrate 1; standing the filtrate 1 to obtain a solid 2 and filtrate 2; standing the filtrate 2 to obtain a solid 3; according to the method, the extraction efficiency is high, the supercritical CO2 has low viscosity, high diffusivity, high mass transfer rate, strong permeability and relatively short extraction time; according to the method disclosed by the invention, three kinds of glycyrrhizic flavonoid compounds, namely glabridin, glabridin and isopentenyl coumestrol, are successfully obtained.

The invention discloses a Sorosil decoction specific chromatogram and a construction method and application thereof, and belongs to the technical field of traditional Chinese medicine analysis and detection. The method comprises the following steps: respectively dissolving reference substances of bergenin, arbutin, glycyrrhizic acid, liquiritin, liquiritigenin and gallic acid in a solvent to obtain reference substance solutions; adding soroxil decoction into a solvent, carrying out ultrasonic extraction, and filtering to obtain a test solution; and injecting the reference solution and the test solution into a high performance liquid chromatograph for detection, taking the specific chromatogram of the reference solution as a reference chromatogram, selecting common peaks from the specific chromatogram of the test solution, and constructing the specific chromatogram of the soroxil decoction. The invention also discloses a Sorosil decoction characteristic spectrum and application thereof. According to the specific chromatogram of the soroxi decoction, rapid identification of the formula of the soroxi decoction can be realized, the method is simple, the research blank of the specific chromatogram in quality control of the classic famous-prescription soroxi decoction and the preparation thereof is filled up, and a powerful guarantee is provided for quality improvement of the classic famous-prescription soroxi decoction.

The invention provides a cough-relieving and phlegm-eliminating composition and a preparation method thereof. The cough-relieving and phlegm-eliminating composition is prepared from the following raw materials: anhydrous morphine, anhydrous codeine phosphate, apigenin, liquiritin, isoliquiritin, liquiritigenin, isoliquiritigenin, glycyrrhizic acid, trans-anethole, camphor and sodium benzoate. The composition further comprises a luffa stem extract, an atractylodes lancea rhizome extract and a radix ranunculi ternati bark extract. The cough-relieving and phlegm-eliminating composition provided by the invention has the advantages of few impurities, clear and remarkable drug effect and small side effect. Under the action of the core antitussive drug, three plant extracts of luffa stem, Atractylodes lancea and Ranunculus ternatus Thunb. Are creatively added, so that the phlegm eliminating capacity and the overall antitussive effect of the whole formula are remarkably enhanced. The cough-relieving and phlegm-eliminating composition disclosed by the invention realizes the synergistic interaction of '1 + 1 + 1gt, 3' on the core indexes of inhibiting the cough frequency, prolonging the cough latency period, promoting sputum excretion and the like, and realizes the cough-relieving and phlegm-eliminating effects of treating both symptoms and root causes through the multi-target-point and multi-mechanism synergistic effect.

A small molecule composition, comprising licochalcone A, licochalcone C, licochalcone D, licochalcone E, echinatin, isoliquiritigenin, formononetin, liquiritigenin, licoflavone C, glabrol, licoisoflavone A and licoisoflavone B, and the use thereof in preparing anticancer or antitumor drugs, anti-ferroptosis drugs, or drugs for sensitization of anticancer or antitumor drugs. The small molecule composition can also be used in combination with other antitumor drugs.

The invention belongs to the technical field of traditional Chinese medicines, and particularly relates to a method for simultaneously extracting and purifying glabridin, glycyrrhizic acid and isoliquiritigenin. The method comprises the following steps: (1) adding ethanol into glycyrrhiza glabra, and extracting to obtain an extracting solution; (2) extracting the extracting solution with ethyl acetate to obtain an organic phase and a water phase; and (3) purifying the organic phase by using a rapid preparative liquid chromatograph, carrying out gradient elution by using 30%-70% of ethyl acetate-cyclohexane as a mobile phase, and collecting the eluent, thereby obtaining the glabridin. (4) carrying out acidification and centrifugal precipitation on the water phase to obtain a glycyrrhizic acid crude product and a supernatant, adding absolute ethyl alcohol into the glycyrrhizic acid crude product, and carrying out ultrasonic extraction and centrifugation to obtain a glycyrrhizic acid ethanol solution; and (5) extracting and purifying the supernate to obtain the isoliquiritigenin.

The invention belongs to the technical field of biology, and particularly relates to application of astragaloside in regulation of parthenogenetic activation embryo development. According to the method disclosed by the invention, the maturation rate of the oocytes can be obviously improved by adding substances such as astragaloside into the sheep oocyte in-vitro maturation liquid. The preparation method comprises the following steps: firstly, respectively adding lycopene, astragaloside, isoliquiritigenin, forsythin and baicalein into an oocyte maturation solution, and screening out the optimal dosage of each additive according to the first polar body discharge rate, the cleavage rate and the blastocyst rate; and finally, adding an additive combination into the oocyte maturation liquid according to the screened optimal dosage, detecting the first polar body discharge rate, the cleavage rate and the blastocyst rate to determine an optimal composition, and detecting the levels of ROS, GSH, mitochondrial membrane potential, oxidative stress and apoptosis related genes of the optimal composition to further determine the application effect of the composition.

The invention belongs to the technical field of traditional Chinese medicines, and particularly relates to a method for simultaneously extracting and purifying glabridin, glycyrrhizic acid and isoliquiritigenin by a column chromatography extraction method. The method comprises the following steps: adding an ethanol solution into glycyrrhiza glabra, extracting by adopting a column chromatography extraction method, extracting an extracting solution by using dichloroethane, enabling an organic phase to pass through a silica gel column, and crystallizing an eluent to obtain glabridin. Acidifying and centrifuging the extracted water phase, and dissolving the precipitate with acetone to obtain glycyrrhizic acid; and extracting and purifying the filtrate to obtain the isoliquiritigenin. The invention provides a simple and efficient new extraction technology which is low in energy consumption, small in solvent dosage and high in extraction rate compared with traditional ultrasonic extraction and the like, and aims to extract glycyrrhizic acid and glabridin in glycyrrhiza glabra at the same time, separate glycyrrhizic acid and glabridin, separate isoliquiritigenin from the remaining part through simple conversion, and improve the purity of glycyrrhizic acid and glabridin in glycyrrhiza glabra. The comprehensive development and utilization of the glycyrrhiza glabra are achieved.

The invention belongs to the field of analysis of traditional Chinese medicine preparations, and particularly discloses a method for determining the content of 15 components in a Xiaoyao preparation through quantitative analysis of multi-components by single marker and application of the method. According to the invention, pentagalloylglucose is used as an internal reference substance for quantitative analysis of multi-components by single marker; relative correction factors between the pentagalloylglucose and gallic acid, chlorogenic acid, albiflorin, paeoniflorin, schaftoside, ferulic acid, apiose liquiritin, liquiritin, senkyunolide I, paeoniflorin, senkyunolide H, formononin, liquiritigenin and glycyrrhizic acid in the Xiaoyao preparation are established, and the contents of the 15 components in the Xiaoyao preparation are calculated through the correction factors. The method disclosed by the invention is high in practicability, simple to operate, cost-saving and accurate and reliable in detection result, overcomes the defects of the quality detection method of the Xiaoyao preparation, especially the Xiaoyao mixture, and provides a new way for quality control of the Xiaoyao preparation and internal quality evaluation of medicines.

The invention provides an isoliquiritigenin-loaded drug-loaded liposome as well as a preparation method and application thereof, and relates to the technical field of drugs. The drug-loaded liposome is prepared from the following raw materials in parts by weight: 20-50 parts of lecithin, 6-15 parts of glycyrrhetinic acid and 2-10 parts of isoliquiritigenin, and can be used as a novel drug for treating androgenetic alopecia.

The invention discloses application of a composition of liquiritigenin (liquiritin) and glycyrrhizic acid and salts thereof in personal care products, and relates to the technical field of daily chemicals. Liquiritigenin or liquiritin and glycyrrhizic acid and salts thereof are compounded according to a preset proportion, and the components are taken from licorice natural plants; active ingredients of the composition have multiple functions of resisting bacteria, diminishing inflammation, balancing sebum secretion, removing redness and resisting allergy and the like, then the prepared composition is added into personal care products such as masks, essence, skin care cream, face cream and sunscreens according to the proportion of 0.005%-10% (w / w), synergistic interaction is achieved, the obtained composition is remarkable in relieving and anti-allergy effect, the preparation method is simple and convenient, safety is high, and the composition is suitable for industrial production. Wide market application prospects are realized.

The invention discloses an application of liquiritigenin in preparation of a bactericide or an antibiotic synergist. The invention discloses the synergistic effect, the antibacterial property and the synergistic mechanism of liquiritigenin on colistin and the potential value of in-vivo combined application of liquiritigenin. On the basis, a feasible treatment scheme is provided to cope with the increasingly aggravated drug resistance problem, the use curative effect of the colistin is effectively enhanced, and the clinical service life of the colistin is prolonged. The possibility that liquiritigenin is used as a colistin synergist to resist infection of multi-drug-resistant pathogenic bacteria is reduced. The liquiritigenin can reduce the minimum inhibitory concentration of the colistin to drug-resistant gram-negative bacteria by 16 times, and the antibacterial activity of the colistin is greatly improved.

The invention belongs to the technical field of biology, and particularly relates to application of lycopene in sheep oocyte in-vitro culture. It is determined that the maturation rate of the oocytes can be remarkably increased by adding the lycopene and astragaloside composition into the sheep oocyte in-vitro maturation liquid. The preparation method comprises the following steps: firstly, respectively adding lycopene, astragaloside, isoliquiritigenin, forsythin and baicalein into an oocyte maturation solution, and screening out the optimal dosage of each additive according to the first polar body discharge rate, the cleavage rate and the blastocyst rate; and finally, adding an additive combination into the oocyte maturation liquid according to the screened optimal dosage, detecting the first polar body discharge rate, the cleavage rate and the blastocyst rate to determine an optimal composition, and detecting the levels of ROS, GSH, mitochondrial membrane potential, oxidative stress and apoptosis related genes of the optimal composition to further determine the application effect of the composition.

The present invention proposes a traditional Chinese medicine composition, comprising an active ingredient prepared from goat horn or antelope horn, scutellaria baicalensis, fritillaria cirrhosa, liquorice, rhubarb, gypsum, bezoar and green stone, wherein the active ingredients include, by mass, more than 1600 parts of amino acids, more than 120 parts of gallic acid, more than 130 parts of liquiritin, more than 20 parts of liquiritigenin, more than 400 parts of baicalin, more than 40 parts of melaleucoside, more than 120 parts of wogonin, more than 280 parts of glycyrrhizic acid, more than 12 parts of chrysin-7-O-β-D-glucuronic acid, more than 50 parts of aloe-emodin-8-O-β-D-glucoside, more than 30 parts of chrysophanol-1-O-β-D-glucoside, more than 45 parts of chrysophanol-8-O-β-D-glucoside, more than 260 parts of hyodeoxycholic acid and more than 150 parts of cholic acid. The composition of the present invention has antipyretic, anti-inflammatory and antitussive effects.

The invention relates to the technical field of traditional Chinese medicine, in particular to a composition with a qi-blood tonifying effect and a pharmaceutical preparation and application thereof. The composition is prepared from the following raw materials in parts by weight: 0.2 to 1 part of tangeretin, 0.2 to 5 parts of nobiletin, 0.05 to 0.2 part of lobetyolin, 0.1 to 1 part of allantoin, 0.1 to 1 part of liquiritigenin, 0.1 to 1 part of alnus ketone, 0.02 to 0.2 part of rutin, 0.2 to 2 parts of apiose liquiritin and 0.1 to 1 part of ammonium glycyrrhizinate. The traditional Chinese medicine composition has the remarkable effects of replenishing blood and qi, treating anemia and resisting fatigue.

The invention discloses application of isoliquiritigenin in preparation of a medicine for treating 5-FU induced cardiotoxicity, and belongs to the technical field of biomedicine.The medicine comprises the isoliquiritigenin, and the isoliquiritigenin improves 5-FU induced oxidative stress and apoptosis by regulating an AhR-CYP1A1 pathway, so that the 5-FU induced cardiotoxicity is improved; the invention systematically reveals the action mechanism of the isoliquiritigenin for improving the 5-FU-induced cardiotoxicity by inhibiting an AhR-CYP1A1 signal channel for the first time from the animal overall level and the cell molecule level to mechanism analysis, and proves the application value of the isoliquiritigenin in preparation of the medicine for treating the 5-FU-induced cardiotoxicity; based on complete analysis of the mechanism, the invention provides a brand new active ingredient and a technical scheme for preparing the medicine for resisting 5-FU cardiotoxicity, lays a theoretical and experimental foundation for research and development of the medicine for relieving the side effect of 5-FU chemotherapy, and has an important medicine development value.

The invention discloses a method for screening anti-inflammatory heart protection active components of Siji decoction. The method comprises the following steps: 1, finding eicosanoic acid related to the drug effect of the Siji decoction and measuring the content of eicosanoic acid; 2, identification of components absorbed into blood by the Siji decoction and determination of relative peak intensity; and 3, analyzing the correlation between the content of the eicosanoic acid metabolite related to the drug effect of the Siji decoction and the relative peak intensity of the component absorbed into blood by the Siji decoction, and screening the anti-inflammatory heart protection active component of the Siji decoction. The method comprises the following steps: by taking an eicosanoic acid metabolic profile as a drug effect target, constructing a correlation model of quantitative information of eicosanoic acid metabolites in a rat with heart failure at different time points and blood-entering component intensities of Siji decoction at different time points; through screening, it is determined that the four components of songorine, neoline, talasamine and isoliquiritigenin have the definite anti-inflammatory heart protection effect, and the method is accurate and efficient.

The invention relates to application of liquiritigenin in preparation of a medicine for relieving muscle injury caused by exercise fatigue, in particular to application of liquiritigenin in preparation of a medicine for relieving muscle injury caused by exercise fatigue, specifically, liquiritigenin inhibits expression of Caspase 3 by up-regulating the proportion of PI3K / Akt protein so as to inhibit muscle cell apoptosis; meanwhile, liquiritigenin reduces expression of inflammatory factors by up-regulating the proportion of PI3K / Akt protein, so that muscle injury caused by exercise fatigue is relieved; specifically, the liquiritigenin can further prolong the exhaustive exercise time of the mouse, enhance the endurance and improve the exercise ability of the mouse on the basis of improving the endurance of the mouse.

The disclosure relates to a traditional Chinese medicine composition, comprising active ingredients derived from Cornu caprae or Cornu saigae tataricae, Radix scutellariae, Bulbus fritillariae ussuriensis, Radix glycyrrhizae, Radix et rhizoma rhei, Gypsum fibrosum, Calculus bovis artifactus and Lapis Chloriti, the said active ingredients comprise in parts by weight: at least 1600 parts of amino acids; at least 120 parts of gallic acid; at least 130 parts of liquiritin; at least 20 parts of liquiritigenin; at least 400 parts of baicalin; at least 40 parts of oroxyloside; at least 120 parts of wogonoside; at least 280 parts of glycyrrhizic acid; at least 12 parts of chrysin-7-O-β-D-glucoronic acid; at least 50 parts of aloe-emodin-8-O-β-D-glucopyranoside; at least 30 parts of chrysophanol-1-O-β-D-glucopyranoside; at least 45 parts of chrysophanol-8-O-β-D-glucopyranoside; at least 260 parts of hyodeoxycholic acid; at least 150 parts of cholic acid. The traditional Chinese medicine composition in the present invention possess antipyretic, anti-inflammatory and antitussive effects.

A cosmetic composition is disclosed comprising i) a scalp health agent; and ii) a natural active selected from cotoin, isoliquiritigenin, xanthohumol, pinostrobin chalcone, and a mixture thereof; wherein the scalp health agent is selected from a group consisting of polyvalent metal salts of pyrithione, hydroxamic acid, hinokitiol, azole compound and selenium sulfide; wherein the weight ratio of the amount of said active to that of said scalp health agent is from 1:100 to 100:1.

The invention provides application of isoliquiritigenin in relieving toxicity of pinellia ternate and a pinellia ternate detoxification medicine, and belongs to the technical field of biology. The invention proves that the ISL can inhibit the expression increase of TNF-alpha and IL-1beta mRNA caused by pinellia ternate poison needle crystals and PTL, inhibit the increase of ROS in macrophages caused by pinellia ternate poison needle crystals, and weaken inflammatory response caused by pinellia ternate poison needle crystals. According to the present invention, the ISL can inhibit the oxidative stress reaction caused by PTL by inhibiting the combination of PTL and the macrophage membrane, and inhibit the excessive generation of ROS in the macrophage so as to block the MAPK inflammation pathway activation, such that the activation of the JAK-STAT signal pathway is inhibited, the secretion of inflammatory factors TNF-alpha, IL-1beta and IL-6 is reduced, the inflammatory cascade reaction process is blocked, and the inflammatory reaction degree is significantly weakened;

This invention belongs to the field of biomedical technology, specifically relating to an isoliquiritigenin composition for improving depression and its preparation method. The isoliquiritigenin composition for improving depression comprises the following raw materials in parts by weight: 22-40 parts isoliquiritigenin, 10-17 parts N-acetyl-D-glucosamine, and 15-20 parts β-lapaquinone. Isoliquiritigenin, N-acetyl-D-glucosamine, and β-lapaquinone constitute a multi-target synergistic isoliquiritigenin composition for improving depression. Experimental results show that by taking the isoliquiritigenin composition prepared according to this invention, it can systematically exert its effects and comprehensively improve the pathological state of depression, showing broad application prospects.

The invention belongs to the technical field of traditional Chinese medicine preparation component detection, and particularly relates to a method for detecting the content of main active components in ginger and liquorice decoction. According to the content detection method disclosed by the invention, flavonoid, triterpenoid saponin and phenol components in the ginger and liquorice decoction are detected by adopting an HPLC (High Performance Liquid Chromatography). Through specific sample pretreatment and chromatographic conditions, main active ingredients such as liquiritin, apiose isoliquiritin, isoliquiritin, liquiritigenin, mono-ammonium glycyrrhizinate and 6-gingerol in the main medicines ginger and liquorice in the ginger and liquorice decoction can be quantitatively detected at the same time, so that the clinical efficacy of the ginger and liquorice decoction preparation is guaranteed; and a more comprehensive method is provided for quality control of the ginger and licorice root soup.

The invention discloses an iron-based-isoliquiritigenin nano-enzyme as well as a preparation method and application thereof, and relates to the technical field of biological medicines. The preparation method comprises the following steps: dissolving polyvinylpyrrolidone and ferric salt in a solvent, and carrying out a mixed reaction to obtain a reaction solution; and dissolving isoliquiritigenin, adding the isoliquiritigenin into the reaction solution, continuously reacting, and purifying to obtain the iron-based-isoliquiritigenin nano-enzyme. In view of the fact that traumatic brain injury is often accompanied by severe oxidative stress and neuroinflammation reaction, the invention provides a new application of the iron-based-isoliquiritigenin nano-enzyme in preparation of drugs for treating traumatic brain injury. The iron-based-isoliquiritigenin nano-enzyme which is stable in structure and clear in function developed by the invention not only expands the application of the nano-enzyme in the field of biomedicine, but also provides a brand new path for developing a novel medicament for treating traumatic brain injury.

The invention discloses an application of isoliquiritigenin and / or glabridin in preparation of a medicine for treating acanthamoeba infection. The research finds that the isoliquiritigenin and the glabridin are adopted to treat the acanthamoeba trophoblast cells, proliferation of the acanthamoeba trophoblast cells can be remarkably inhibited, toxicity to host cells is small, and the inhibition effect of the isoliquiritigenin and the glabridin on the acanthamoeba is more remarkable when the isoliquiritigenin and the glabridin are matched. Therefore, the isoliquiritigenin and / or glabridin can be used for preparing medicines or preparations for preventing and / or treating diseases caused by acanthamoeba infection, removing acanthamoeba cells or inhibiting acanthamoeba cell proliferation.

The invention discloses a sugar-free olopatadine hydrochloride oral solution and a preparation method thereof, and relates to the technical field of pharmaceutical preparations. According to the sugar-free olopatadine hydrochloride oral solution disclosed by the invention, 0.2-1mg of the regulating agent is added into each 1mL of the sugar-free olopatadine hydrochloride oral solution to cover the bitter taste of the medicine, and the olopatadine hydrochloride is wrapped in a medicine film formed by the regulating agent, so that the direct contact between the olopatadine hydrochloride and the oral cavity is reduced; the regulating agent comprises liquiritigenin, a modified polyglycerol fatty acid ester / beta-cyclodextrin carrier and zein, and the liquiritigenin can reduce the bitter taste of olopatadine hydrochloride. The sugar-free olopatadine hydrochloride oral solution disclosed by the invention has the advantages of simple preparation method, easily available raw materials, excellent sensory property in mouth and good stability.

To develop materials that effectively produce anti-inflammatory effects. [Solution] A composition containing glycyrrhizic acid, liquiritin, and isoliquiritin, The mass ratio of glycyrrhizic acid to liquiritin (glycyrrhizic acid:liquiritin) is 1:0.3 to 2. The mass ratio of glycyrrhizic acid to isoliquiritin (glycyrrhizic acid:isoliquiritin) is 1:0.5 to 3. composition.