67results about How to "Reduced bioavailability" patented technology

The invention relates to the technical field of agricultural microbial agents, in particular to bacillus velezensis as well as a separation method and application thereof. The bacillus velezensis is preserved in the China General Microbiological Culture Collection Center, the preservation date is May 17, 2024, the preservation number is CGMCC No.30687, the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, the postcode is 100101, and the bacillus velezensis is classified and named as bacillus velezensis. The bacillus velezensis separated from the soil of the Ningboo garden of the Academy of Agricultural Sciences in Yitai City of Shandong Province or the fermentation inoculant thereof can be simultaneously used as a preparation raw material of a growth promoting agent, a yield increasing agent, a soil conditioner and a bio-organic fertilizer, and has multiple application scenes.

The invention discloses a method for degrading dioxin in fly ash and stabilizing heavy metals, which comprises the following steps: carrying out water washing treatment on the fly ash, and carrying out solid-liquid separation to obtain water washing slag; mixing the washed slag with water, adding zero-valent iron and sulfite, carrying out hydrothermal treatment, and carrying out solid-liquid separation to obtain hydrothermal slag and hydrothermal liquid; according to the method for degradation of dioxin in fly ash and stabilization of heavy metal in cooperation with degradation of dioxin in fly ash, under the combined action of zero-valent iron, chlorite and a hydrothermal environment, efficient degradation of dioxin in fly ash can be rapidly achieved under the lower reaction condition, stabilization of heavy metal in fly ash can be synchronously achieved, and the method is suitable for industrial production. The method has the advantages of being low in cost, mild in reaction condition, high in treatment efficiency, good in treatment effect, environmentally friendly and the like, can effectively solve the problems existing in the prior art, provides powerful support for harmless treatment and resource utilization of the waste incineration fly ash, and has wide engineering application prospects.

The invention relates to the technical field of soil improvement materials, and provides a soil heavy metal pollution repairing agent based on biomass power plant ash, which mainly comprises surface modified porous biomass power plant ash, polymer modified bentonite, a soil modified repairing agent and clay minerals. The surface modified porous biomass power plant ash is obtained through gamma-aminopropyltriethoxysilane and humic acid modified porous biomass power plant ash clustering, and the polymer modified bentonite is bentonite modified by acrylic acid and sodium carboxymethyl cellulose through a polymerization reaction. The preparation method comprises the steps of pretreatment of biomass power plant ash, liquid nitrogen freezing, freeze drying, porous structure formation, surface modification and the like. The components are mixed, granulated and molded, so that the obtained remediation agent can effectively reduce the bio-availability of heavy metals in soil, reduce the heavy metal absorption of crops and improve the soil environment quality.

The invention provides a ZIF-8-based composite antibacterial material and a preparation method and application thereof.Ce6 is efficiently packaged into ZIF-8 through a simple one-pot method, Ce6 at-ZIF-8 is synthesized, Ce6 at-ZIF-8 is endowed with excellent photodynamic bacterium killing efficiency, then MnO2 is doped into Ce6 at-ZIF-8, the antibacterial efficiency is greatly improved under photodynamic and chemical kinetics synergistic antibacterial effects, and meanwhile, the composite antibacterial material can be used for preparing a composite antibacterial material. Due to the addition of berberine, the antibacterial effect is improved, the healing rate of a wound is increased, the berberine has good dispersity, can be uniformly dispersed in water, has large specific surface area, can well inhibit growth and adhesion of bacteria, can be used as a dressing for promoting wound healing or resisting bacteria, not only can effectively kill bacteria except the wound, but also can be used as a dressing for promoting wound healing or resisting bacteria. In particular, wound healing of diabetic patients can be promoted, and the antibacterial material can be used as a novel antibacterial material for antibiosis and wound healing.

The invention relates to application of an antioxidant liposome in preparation of a medicine for preventing and / or treating inner ear injury caused by active oxygen accumulation, and belongs to the field of medical technologies and biological medical materials. The antioxidant lipidosome is rutin-entrapped lipidosome, and the inner ear injury is preferably cis-platinum induced inner ear injury. The antioxidant liposome disclosed by the invention is used for inhibiting active oxygen accumulation, mitochondrial injury and cell apoptosis in cells; the compound is used for inhibiting auditory hair cell mitochondrial injury in cochlea. The antioxidant liposome disclosed by the invention can be used for effectively packaging medicines and improving the bioavailability and the stability of the medicines; the limitation of a tympanic membrane barrier and other biological barriers can be overcome, so that the medicine can effectively reach the inner ear part; precise targeted delivery of the medicine can be achieved, and it is ensured that the medicine is intensively released at the needed position.

The invention provides a preparation process of a soil remediation agent with multiple elements, and relates to the technical field of soil remediation. The preparation process of the soil remediation agent with the multiple elements comprises the following steps: selecting and grinding raw materials, namely selecting natural mineral raw materials containing silicon, calcium, magnesium and potassium elements, and grinding the selected raw materials to obtain powder with the particle size within a certain range, and the particle size is generally controlled between 100 meshes and 300 meshes; the organic matter is added, the content of the organic matter in the soil can be increased, the ground mineral powder and the organic matter are mixed according to a certain proportion, and the mixing proportion needs to be determined according to the specific requirements of soil remediation and the characteristics of raw materials. By combining silicon, calcium, magnesium, potassium and other elements, the remediation agent can meet the requirements of multiple nutrient elements in soil at the same time, promote plant growth and improve the soil structure, and by adding organic matter such as humic acid, the organic matter content of the soil can be increased, the water and fertilizer retention capacity of the soil can be enhanced, and the physical and chemical properties of the soil can be improved.

The invention belongs to the technical field of agricultural microorganisms, and particularly relates to an aspergillus niger composition and application thereof. According to the composition disclosed by the invention, the aspergillus niger and the fertilizer synergist are combined for application, a synergistic effect is achieved, and the aspergillus niger also has high-concentration lead tolerance and lead repairing capability. The composition disclosed by the invention not only has phosphorus dissolving and straw degrading functions, but also can effectively improve the soil fertility and reduce the effectiveness of heavy metal lead. The composition disclosed by the invention plays an important role in promoting reutilization of phosphorus-containing solid wastes, promoting decomposition of straws, reducing emission of industrial and agricultural wastes, reducing the bioavailability of lead, maintaining the safety of an ecological environment and the like.

The present invention relates to the field of agricultural environmental protection, and discloses an efficient pollution-free leaf surface resistance control agent and a preparation method thereof, the efficient pollution-free leaf surface resistance control agent comprises: a traditional Chinese medicine extraction liquid, which is obtained by extraction of milkvetch root, honeysuckle flower, dandelion and Chinese magnoliavine according to a ratio of 1: 1: 0.5: 0.3, and the use amount is 25-30% of the total mass; the chelating agent is ethylene diamine tetraacetic acid, and the dosage of the chelating agent is 5%-10% of the total mass of the traditional Chinese medicine extracting solution; the synergist adopts a seaweed extract, and the use amount of the synergist is 3-5% of the total mass; the stabilizer is selected from sodium carboxymethyl cellulose, and the use amount of the stabilizer is 1%-2% of the total mass; and water which accounts for 60-70% of the total mass and is used as a solvent to adjust the concentration of the whole formula. The formula of the leaf surface resistance and control agent is based on natural traditional Chinese medicine components including plant extracts such as astragalus membranaceus, honeysuckle, dandelion and schisandra chinensis, the components are natural, non-toxic and small in environmental pollution, toxicity of heavy metal to plants can be remarkably reduced, and the leaf surface resistance and control agent almost has no negative influence on soil and the ecological environment and can be safely applied to crops; no residual harm exists.

The invention relates to the technical field of soil improvement and ecological restoration, and discloses a liquorice planting method based on synergistic utilization of coal-based solid waste and desertified land, which comprises the following steps: crushing alkaline coal-based solid waste and acidic coal-based solid waste, mixing according to a mass ratio of 2: 8-4: 6, adding a modified humic acid-based heavy metal passivator and water, and uniformly mixing to obtain a mixture; uniformly mixing and aging to obtain a coal-based solid waste mixture; spreading the mixture on the surface layer of the desertification land, performing rotary tillage and deep tillage to mix the mixture with the sandy soil, and adjusting the pH value to be stable at 7.5-8.5; the treated liquorice seeds are sown, main roots are harvested in autumn of the third year, deep root systems and lateral root bud points are reserved, and overground straw is smashed and returned to the field; soil nutrition indexes are monitored regularly, other commercial crops are planted when the soil nutrition indexes reach a set threshold value, and if not, regeneration planting of the liquorice is maintained. Through synergistic compounding of acid-base solid waste and chelating of the passivating agent, substrate pH self-regulation and heavy metal resistance control are achieved, and the physicochemical property of sandy soil is improved.

The present application relates to the technical field of soil remediation, and discloses a composite microbial inoculum for activating reverse conversion of oxidized iron in dry land soil and application thereof.The composite microbial inoculum comprises aerobic iron-reducing bacteria and phenazine electron shuttles.The present application mediates the aerobic iron-reducing process of the aerobic iron-reducing bacteria strain through the phenazine electron shuttles, significantly improves the electron transfer efficiency, enhances the iron-reducing capacity, and can efficiently generate high-activity weak-crystalline iron oxide under aerobic conditions, thereby breaking through the limitation of traditional iron reduction relying on anaerobic environment;by promoting the reverse conversion of high-crystalline oxidized iron to weak-crystalline oxidized iron, the mineral interface activity is improved, the fixation capacity for Cd, Pb, As and other multi-metals in dry land soil is significantly enhanced, the biological availability thereof is reduced, the biological toxicity and migration risk thereof are greatly weakened, the remediation process is stable, the risk of secondary pollution is low, and the present application has good application prospect and popularization value in the field of heavy metal contaminated soil remediation.

The present invention belongs to the technical field of soil improvement and restoration, and specifically relates to an environmental rock-based mineral material and a preparation method and application thereof. The present invention provides a preparation method for an environmental rock-based mineral material, comprising the following steps: the rock mineral is initially crushed and placed in a closed container, saturated water vapor is then introduced into the closed container for reaction, and secondary crushing is performed after the reaction is completed to obtain the environmental rock-based mineral material; wherein, during the reaction, the pressure of the closed container is 1-3MPa and the temperature is 200-350°C. The present invention prepares the material by heating the aqueous solution to a critical temperature, and the prepared powder has the advantages of complete grain development, small particle size, uniform distribution, good dispersibility, etc., and avoids the formation of hard agglomerates. Fine rock-based minerals have the characteristics of small particle size and large specific surface area, which are conducive to the adsorption and fixation of heavy metal Cd.

The invention belongs to the technical field of heavy metal pollution treatment, and discloses a method for reducing soil cadmium activity and wheat grain cadmium content. According to the method, the low-cadmium-accumulation wheat variety is selected, the composite conditioner is applied, the low-cadmium-accumulation wheat variety is Jimai 22, and the composite conditioner is composed of mineral source potassium fulvate and zinc fertilizer. The complex passivation effect of humic acid components in mineral source potassium fulvate on soil heavy metal is utilized, the ion antagonism effect of zinc and cadmium and the low cadmium accumulation characteristic of Jimai 22 are combined, the cadmium content of wheat grains is synergistically reduced to 0.1 mg / kg or below, meanwhile, the cadmium content of the soil can be remarkably reduced, and the soil with cadmium exceeding the standard can be repaired. The treatment method provided by the invention has the advantages of simple operation, easily available raw materials, low cost, stable synergistic cadmium reduction effect and the like.

The invention relates to the technical field of soil improvement, and discloses a garden soil composite improver and a preparation method thereof. The soil composite improver comprises, by weight, 12-15 parts of fermented organic fertilizer, 9-20 parts of modified water-retaining adsorbent, 24-30 parts of biochar, 5-8 parts of plant ash, and 1.2-2 parts of a microbial mixture. The soil composite improver has good adsorption to heavy metal ions, can effectively remove heavy metal ions in the soil, and has excellent fertilizer and water retention, and can maintain the nutrients in the soil for a long time. It has excellent air permeability and water retention, can keep the soil loose and moist, improve soil compaction, improve soil air permeability and soil activity, provide necessary air and water for the growth of plant roots, and each component complements and promotes each other, synergizes and enhances efficiency, and can effectively improve the quality of garden soil.

The present invention relates to the technical fields of medicine, food and daily chemicals, and in particular to two supramolecular eutectics to better solve the application problems of EGCG. The first is to form a supramolecular EGCG betaine eutectic with EGCG and betaine through supramolecular technology, and to synthesize a supramolecular EGCG betaine eutectic by supramolecular modification reaction using EGCG and betaine as precursors, which can improve the stability of EGCG to a certain extent, and the two can be used in combination to play a synergistic role. The second is to form a supramolecular raw material with a supramolecular EGCG betaine eutectic and cyclodextrin through host-guest self-assembly, and to obtain a supramolecular raw material by host-guest self-assembly of hydroxypropyl-β-cyclodextrin and supramolecular EGCG betaine. The supramolecular raw material obtained by the method can solve the stability problem of EGCG, improve its bioavailability, and have good anti-oxidation, whitening, anti-inflammatory, oil control and other effects, and has good application prospects.

According to one embodiment of the present invention, provided is a drug-clay mineral complex, in which the complex comprises a phospholipid, and the drug has an amine group.

The invention relates to a soil conditioner for improving the soil fertility of a newly cultivated land, and a preparation method and application thereof. The soil conditioner for improving the soil fertility of the newly cultivated land comprises a coating conditioner, shrimp shell powder, an organic fertilizer and a blended fertilizer, the coating conditioner is of a shell-core structure, an inner core is a mixture of a rich-harvest conditioner, wormcast and dry moss, and a shell is super absorbent resin; the harvest-prolonging soil conditioner is selected from an alkaline calcium-magnesium-silicon material. The invention also provides a preparation method of the soil improvement agent for improving the soil fertility of the newly cultivated land, which comprises the following steps: uniformly mixing the Fengchenyu conditioner, the wormcast and the dry moss, soaking with a potassium chloride solution, ensuring complete soaking and drying to obtain a mixture; coating the surface of the mixture with a layer of super absorbent resin, and freezing to obtain a coated conditioner; and mixing the coating conditioner, shrimp shell powder, an organic fertilizer and a blended fertilizer to obtain the soil conditioner capable of improving the soil fertility of the newly cultivated land. The method can quickly improve the soil fertility of the newly cultivated land and improve the soil structure of the plough layer.

The present invention discloses a method for repairing soil contaminated by electrolytic manganese slag by inoculating white rot fungi, comprising the following steps: mixing biomass and soil contaminated by electrolytic manganese slag to obtain compost raw materials; inoculating white rot fungi in the compost raw materials to obtain a pile; composting and fermenting the pile to obtain compost mature material, thereby completing the repair of soil contaminated by electrolytic manganese slag. The present invention effectively reduces the leaching amount of heavy metal manganese by inoculating white rot fungi, effectively reduces the mobility and bioavailability of heavy metal manganese, effectively changes the structure of microbial communities, increases the number and diversity of microorganisms, improves the seed germination index, and realizes the repair of soil in contaminated sites. It has the advantages of quickly starting composting repair, effectively reducing the leaching amount of heavy metal manganese, reducing the mobility and bioavailability of heavy metal manganese, increasing microbial diversity and community abundance, and improving the seed germination index.

The invention relates to the field of food processing, in particular to a lutein yeast microcapsule and a preparation method thereof. According to the preparation method of the lutein yeast microcapsule, the embedding rate of the yeast microcapsule prepared by utilizing the preparation method provided by the invention reaches 87.5% or above, and compared with the prior art, a better effect is achieved. According to the method, freeze drying serves as a non-thermal processing technology, the freeze drying technology can reduce the biological activity loss of encapsulated substances in the processing process, liquid microcapsule particles can be converted into solid microcapsule particles through the freeze drying method, the product characters are changed, transportation and storage are facilitated, and meanwhile the requirements of consumers are met. The freeze-drying technology can greatly retain the nutritional ingredients of the materials, the dried product has the characteristics of low water content, good rehydration property, light weight and the like, the storage period can be prolonged, and the transportation is convenient.

The application provides a kind of eye drop composition and its preparation method and application, belong to ophthalmic preparation technical field.The eye drop composition used in the application includes the following components: brimonidine tartrate, hyaluronic acid, collagen, trehalose, injection water;By compounding each component, a kind of eye drop capable of realizing brimonidine tartrate sustained release, prolonging the time of antihypertensive effect, and having the characteristics of reducing blinking discomfort, long-acting moisturizing, anti-inflammatory soothing, mild antiseptic, etc. is prepared;The eye drop of the application is helpful to glaucoma, high eye pressure, dry eye, postoperative inflammation or allergy, preservative-sensitive or preservative-allergic population, improves the quality of life, relieves the disease.

The present invention provides a JAK inhibitor having high oral bioavailability, characterized in that the JAK inhibitor comprises: a Formula I compound, or a stereoisomer, geometric isomer, tautomer, hydrate, solvate, or pharmaceutically acceptable salt thereof as an active ingredient. The JAK inhibitor with high oral bioavailability provided by the present invention can overcome the problem that existing JAK inhibitors have low oral bioavailability, and involves further modifying a chemical compound so as to change the physicochemical characteristics of one or several small molecule compounds, thus increasing the in-vivo cell absorption performance of said compound(s), greatly improving the bioavailability of the medication and providing new possibilities for drug delivery and utilization for said compound medication.

The invention discloses a mineral-based material capable of slowly releasing calcium and alkali, a preparation method of the mineral-based material and application of the mineral-based material in rice cadmium reduction, and belongs to the technical field of heavy metal polluted farmland soil remediation. The preparation method comprises the following steps: mixing metakaolin and a strong alkali solution to react I, removing supernatant after the reaction is completed, adding a calcium salt solution, oscillating to react II, and drying to obtain the mineral-based material capable of slowly releasing calcium and alkali. Calcium ions and basic ions are gradually dissolved and continuously released, the pH value and the structure of soil are improved, favorable conditions are created for plant growth, and the long-term effect of cadmium reduction is kept.

A soil conditioner that blocks the absorption of cadmium by the roots of crops and a preparation method thereof, relating to the technical field of soil remediation. The aforementioned soil conditioner that blocks the absorption of cadmium by the roots of crops is mainly composed of sawdust compost and calcium carbonate igneous rock, supplemented by silicon fertilizer, calcium magnesium phosphate fertilizer, potassium sulfate, boric acid, and sodium selenite, wherein the weight of sawdust compost and calcium carbonate igneous rock accounts for more than 70%. The aforementioned soil conditioner that blocks the absorption of cadmium by the roots of crops can significantly inhibit the absorption of cadmium by crops such as water spinach, peppers, sweet potatoes, and rice, thereby reducing the cadmium content in the corresponding agricultural products.

The invention belongs to the technical field of soil heavy metal remediation, and relates to an adsorbent for soil heavy metal remediation and a preparation method and application thereof. The invention provides a preparation method of an adsorbent for soil heavy metal remediation. The preparation method comprises the following steps: grinding nostoc sphaeroids kutz through liquid nitrogen, and extracting with an organic solution to obtain a nostoc sphaeroids kutz extract; dispersing the nostoc sphaeroids kutz extract, charcoal and sodium alginate in a polyethyleneimine solution to prepare a core material; and dropwise adding the core material into a calcium chloride solution to prepare the adsorbent. The adsorbent provided by the invention can realize soil heavy metal remediation, is beneficial to improvement of AMF activity and mycelial growth, improves the infection rate of AMF to rice, and reduces the content of heavy metals in rice grains. The invention aims to solve the technical problem that application of biochar to soil heavy metal remediation and agricultural safety production cannot be considered at the same time.

The invention discloses a method for treating soil contaminated by heavy metal ions and arsenic, comprising the following steps: adjusting the soil pH, and dissolving heavy metal ion arsenate into heavy metal cations and arsenate anions after the alkalinity increases; oxidizing the dissolved arsenate anions with an oxidant to oxidize As III with high toxicity in the contaminated soil into As V with low toxicity and adsorbed by iron salts; using flocculent amorphous Fe(OH)3 gel generated in situ by water-soluble iron salts in alkaline soil solution to adsorb the dissolved and oxidized arsenic complex; using phosphate calcium salts to precipitate heavy metal ions with enhanced activity after dissolution to convert them into stable heavy metal ion complexes; the arsenic complexes adsorbed, dissolved and oxidized by the Fe(OH)3 gel and the stable heavy metal ion complexes are cured and buried in the soil to complete soil treatment.

The invention provides modified hydroxypropyl methyl cellulose for a capsule shell wall material and a preparation method of the modified hydroxypropyl methyl cellulose, and belongs to the technical field of pharmaceutic adjuvants. The preparation method comprises the following steps: modifying hydroxypropyl methyl cellulose prepared from straws through KH560 to prepare silane modified hydroxypropyl methyl cellulose, mixing the silane modified hydroxypropyl methyl cellulose with modified enzymolysis starch prepared through enzymolysis and silane coupling agent modification, adding the mixture into water, adding gelatin, stirring and mixing uniformly to form a glue solution, adding EDC, and stirring and reacting to prepare the modified hydroxypropyl methyl cellulose for the capsule shell wall material. The prepared modified hydroxypropyl methyl cellulose for the capsule shell wall material has better stability, film-forming property, water and oxygen resistance and mechanical strength, is green and non-toxic, is low in cost, also has low allergy and chemical stability, has proper drug dissolution rate and bioavailability, has biodegradability and good biocompatibility, and can be used for preparing the capsule for treating the hyperplasia and hyperplasia of the hyperplasia and hyperplasia of the hyperplasia and hyperplasia of the hyperplasia and hyperplasia of the hyperplasia and hyperplasia. The capsule shell material is a good capsule shell material and has a wide application prospect.

The present application belongs to the field of soil remediation, and particularly relates to a method for remediation of cadmium contaminated soil. The specific technical scheme is as follows: a soil remediation method comprises the following steps: before planting economic crops, applying sulfate-reducing bacteria to the soil to be remediated; after harvesting the economic crops, planting cadmium extraction crops in the soil to be remediated. The present application provides a water-flood rotation soil remediation method which can produce while remediation. On the one hand, the biological passivation can reduce the biological availability of cadmium in the soil, thereby reducing the stress of cadmium on plants and the absorption and accumulation of cadmium by plants; on the other hand, the biological technology can strengthen the ability of nightshade to extract cadmium, thereby extracting cadmium in farmland soil.

The present disclosure relates to a nucleoside compound and an application thereof in the treatment of feline infectious peritonitis. The compound belongs to the GS-441524 analogues. The compound has little toxic effect on normal cat cells, while it has a significant inhibitory effect on feline coronavirus. The compound can be used to prepare feline coronavirus inhibitors for the treatment of feline infectious peritonitis. It has the advantages of good curative effect, high safety, and excellent water solubility, which makes it easier to be absorbed.

The invention discloses application of baicalin in relieving copper toxicity of duckweed, and belongs to the technical field of plant adversity physiology and heavy metal pollution remediation. Systematic research on the physiological regulation mechanism of baicalin on duckweed under copper stress innovatively discovers that the relative growth rate of duckweed can be remarkably increased through treatment of baicalin; according to the application, the chlorophyll synthesis level is effectively recovered, the photosynthesis inhibition effect caused by copper toxicity is fundamentally improved, it is proved that the threshold concentration for effectively relieving the copper toxicity is 400 [mu] M, the optimal action concentration window is 200-800 [mu] M, and the concentration interval can achieve synergistic antagonism on the toxicity of copper ions by adjusting the antioxidant metabolic pathway of duckweed. And a green and efficient new strategy is provided for heavy metal polluted water body remediation. The method is not only suitable for ecological restoration engineering of copper-polluted water areas, but also can be expanded and applied to cultivation of stress-resistant varieties of aquatic economic plants, and has important theoretical value and practical application prospect in improvement of heavy metal tolerance of stressed plants.

The invention relates to the technical field of urban residual sludge treatment, and particularly discloses a sludge aerobic composting method based on a carbon-loaded functional fungicide, which comprises the following steps: A1, mixing sludge powder and straw powder, fully soaking the mixture with a pore-forming agent solution, drying, and heating and calcining at high temperature to obtain biomass charcoal; a2, livestock manure, biomass charcoal and straw powder are mixed, aspergillus niger liquid is added into the mixture for fermentation, then compound bacteria liquid is added, fermentation continues, after fermentation is finished, strain protection liquid is added, drying is conducted, and a charcoal-loaded functional bacterial agent is obtained; and A3, uniformly mixing the sludge, the straw powder and the carbon-loaded functional fungicide, and carrying out aerobic composting on the sludge. According to the method, the aerobic composting temperature of the sludge can be increased, the composting time can be shortened, the form of heavy metals in the compost can be changed, the bioavailability of the heavy metals can be reduced, and harmless, reduction and resource utilization of the residual sludge can be realized.

The invention relates to the field of functional beverage preparation, and particularly discloses a litsea coreana beverage and a preparation method thereof.The litsea coreana beverage is prepared from fermented litsea coreana, plant extract, barley grass, scaphium scaphigerum, chrysanthemum, liquorice, honeysuckle, beverage auxiliaries and water; the preparation process of the litsea coreana beverage comprises the following steps: (1) crushing barley grass, scaphium scaphigerum, chrysanthemum, liquorice and honeysuckle, mixing, soaking, performing ultrasonic treatment, boiling, adding fermented litsea coreana, continuously boiling, naturally cooling, filtering and centrifuging to obtain filtrate A; and (2) adding a beverage additive and a plant extracting solution into the filtrate A prepared in the step (1), homogenizing, packaging and sterilizing to obtain the litsea coreana beverage, and the prepared litsea coreana beverage has various health-care effects of resisting oxidation, resisting inflammation and the like.