51results about How to "Reduce inhibition" patented technology

This invention belongs to the field of microbial technology, specifically relating to a strain of Acetobacter peroxide 672 and its applications. The Acetobacter peroxide 672 strain of this invention can enhance the antagonistic activity of Pichia pastoris against Rhizoctonia solani and also antagonizes Colloidal anthracnose, providing a multi-faceted solution for the biological control of crop diseases. Furthermore, the strain possesses the ability to produce indoleacetic acid, which can significantly promote the growth and development of grain crops such as wheat and corn, promote root expansion, enhance nutrient and water absorption, and thus effectively increase biomass. In addition, the strain can tolerate and degrade chemical pesticide components such as imidacloprid and carbendazim, alleviating soil pesticide residue pollution, and can effectively alleviate the inhibitory effects of low pH stress on crops, enhancing their stress resistance. Therefore, the Acetobacter peroxide 672 strain of this invention has significant application value in the biological control of crop diseases, crop growth promotion, soil pesticide residue remediation, and enhancing crop stress resistance.

The invention relates to the technical field of cutting fluid, in particular to cutting lubricating fluid as well as a preparation method and application thereof. The invention provides a special cutting lubricating liquid for finish machining of flutes on the inner wall of an aluminum alloy waveguide, the special cutting lubricating liquid comprises the following components in parts by weight: 89-91 parts of kerosene, 4-6 parts of No.40 engine oil, 0.8-1 part of rapeseed oil, 0.3-0.5 part of tung oil, 0.3-0.5 part of a flame retardant and 0.8-1 part of a penetrant, the composition comprises kerosene, engine oil, rapeseed oil and tung oil, and the flame retardant and the penetrant are supplemented. The lubricating fluid comprehensively solves the problems of built-up edges, oxidation corrosion and cutter wear in deep and narrow flute processing through complementation of advantages of all the components in permeation, lubrication, cooling and film-forming properties.

The invention relates to the technical field of submerged arc furnaces, and discloses a large energy-saving direct-current submerged arc furnace which comprises a bottom plate and a fixing frame arranged on the bottom plate. According to the large energy-saving direct-current submerged arc furnace, the particle size of ore is controlled through extrusion and crushing, materials are automatically stricken by a strickling plate, a conical rod rotates and guides, the particle size is screened according to intervals, and ferromagnetic impurities are removed through a magnetic attraction belt; the electrode and furnace lining loss is reduced; inert gas is introduced into an airflow plate of a heating furnace to strengthen stirring of a molten pool and promote full contact of effective components and a fluxing agent, a full-direct-current framework is adopted to eliminate alternating loss, a double-inverse-star-shaped non-in-phase inverse parallel topology is matched, and mutual counteraction of current and a magnetic field is utilized, so that the material with the particle size exceeding the standard is obtained. Copper pipe hysteresis and eddy current loss are reduced, the operating temperature is controlled, the topological multi-pulse rectification optimizes the current waveform, the reactive power is reduced, and a high-capacity reactive power compensation device is omitted; and meanwhile, the length of the short net is shortened, the conductor section is optimized, an additional heat dissipation pipeline is not needed, and energy consumption and investment are reduced.

The food freshness detection device specifically comprises a main body, and a sampling assembly, a detection assembly and an air exhaust assembly which are sequentially arranged on the main body, the sampling assembly comprises a shell, a temperature adjusting part and a triggering part, the shell is arranged on the main body, and a sampling cavity is concavely formed in the end, close to food, of the shell; the temperature adjusting part is arranged on the sampling cavity; the detection assembly comprises a detection cavity and a detector, the detection cavity is communicated with the sampling cavity, a gas outlet is formed in the side, away from the sampling cavity, of the detection cavity, and the gas extraction assembly is used for sucking gas in the sampling cavity into the detection cavity and discharging the gas from the gas outlet; the detector is arranged in the detection cavity and is used for detecting the concentration of ammonia gas in the detection cavity. By adjusting the food temperature, triggering air exhaust detection at a proper temperature and timely discharging residual gas, the interference of low temperature and gas residue on ammonia gas detection is effectively avoided, and the accuracy, stability and reliability of food freshness detection are improved.

The invention belongs to the field of microbial engineering, and provides a gentamicin C1a high-yield biological manufacturing method based on metabolic network modeling and reverse metabolic engineering renovation, which comprises the following steps: S1, constructing a genome scale metabolic model of a target production strain, predicting and screening a first target gene in positive correlation with gentamicin biosynthesis by using the model; s2, performing whole genome sequencing on the gentamicin high-yield mutant strain, and identifying a second target gene related to the high-yield character through comparative genomics analysis; s3, combining the first target gene predicted in the step S1 and the second target gene identified in the step S2, and constructing to obtain a recombinant engineering strain; s4, carrying out fermentation culture on the recombinant engineering strain, and supplementing materials in the fermentation process; by remarkably improving the production efficiency and strain performance of gentamicin C1a, important technical support and theoretical basis are provided for green biological manufacturing of antibiotics.

The invention belongs to the technical field of natural pharmaceutical chemistry and medicine, and relates to a sesquiterpene compound and a separation method thereof, and application of the sesquiterpene compound in blood sugar reduction. According to the 14-acetylated 1-indanone type sesquiterpene glucoside compound disclosed by the invention, a new 14-acetylated 1-indanone type sesquiterpene glucoside compound, namely 14-acetyl-(2S, 3S)-Pterosine C-3-O-D glucoside, is separated and identified from pteris multifida poir for the first time. According to the compound, a new chemical entity is added for a natural product library, and valuable candidate molecules are provided for drug research and development. The sesquiterpene compound disclosed by the invention shows excellent alpha-glucosidase inhibitory activity; an in-vitro enzyme activity experiment shows that the sesquiterpene compound has a remarkable inhibition effect on alpha-glucosidase from yeast (the inhibition rate reaches 52.1% under the concentration of 10 mg / mL).

The present application provides a kind of rice storage method and system for inhibiting the growth of mould, by low temperature flexible drying and biological protection coating composite pretreatment to rice, construct constant temperature and humidity, anoxic high CO2 Mould inhibition type storage environment, combined with ultraviolet pulse irradiation and natural plant extract slow-release composite inhibition intervention, real-time monitoring of storage environment parameters and rice mould growth related index, according to the monitoring results dynamic adjustment of environmental parameters and intervention strategy, realize the sustained inhibition of mould growth during rice storage period. Using the scheme of the present application, rice storage period can be extended by 3-6 months without chemical residues, while maintaining the original taste and nutritional quality of rice, solves the technical problems of traditional rice storage, such as easy breeding of mould, chemical inhibition residues, and quality deterioration.

This invention provides a method for achieving both image quality reduction from seams between panel units and sufficient brightness in a display device having a display surface composed of multiple panel units. The invention relates to a film comprising a light-transmitting layer containing particles and a colorant and having a total light transmittance of 10% to 30%, for use in a display device having a display surface composed of multiple panel units.

The application discloses a kind of agricultural nitrogen-stabilizing synergist for improving nitrogen utilization and application thereof, the agricultural nitrogen-stabilizing synergist includes active component, the active component includes main component and auxiliary component, main component is one or more of riboflavin, riboflavin salt, riboflavin derivative, riboflavin inclusion compound, riboflavin load or riboflavin slow release, auxiliary component is one or more of plant polyphenol compound, tannin substance, lignin substance and humus substance.The application promotes nitrogen conservation path from the perspective of reducing nitric oxide load and relieving reductase inhibition, reduces nitric oxide load, relieves the inhibitory effect of nitric oxide on nitrate or nitrite reduction nitrogen-conserving microorganisms and their related reductase system, promotes the conversion of nitrogen to ammonium nitrogen, and reduces the loss of nitrogen in the form of nitrate leaching or nitrogen-containing gas, thereby improving nitrogen utilization.

This paper discloses an anti-reflective layer, a semiconductor device, and a fabrication method. The anti-reflective layer comprises an interface bonding layer, a transition gradient layer, and a surface layer sequentially stacked. The interface bonding layer is used for bonding to a substrate and includes MoO. x1 Where x1 ranges from 2.0 to 2.2, the refractive index of the interface bonding layer is 2.77 to 2.80, and the transition gradient layer includes MoO. x2 The value of x2 ranges from 2.5 to 2.7, increasing from near the interface bonding layer to far away. The refractive index of the transition gradient layer ranges from 2.15 to 2.80, decreasing from near the interface bonding layer to far away. The surface layer includes MoO. x3 The value of x3 ranges from 2.8 to 3.0, and the refractive index of the surface layer is from 2.02 to 2.08. The interface bonding layer can reduce the interface reflection between the antireflection layer and the substrate; the surface layer can maximize the suppression of Fresnel loss; the transition gradient layer can achieve destructive interference of reflected light, further reducing the reflectivity of incident light.

This invention discloses a carbon-based fuel gasification method based on the principle of a galvanic cell, comprising the following steps: (1) forming a three-layer self-layered structure of a metal layer, a metal oxide layer, and a molten carbonate layer from bottom to top in a reactor; (2) adding carbon-based fuel to the molten carbonate layer; (3) gasification step: forming a galvanic cell with carbon-based fuel as the negative electrode, metal oxide as the positive electrode, and molten carbonate as the electrolyte, wherein the oxygen in the metal oxide is converted into oxygen. 2‑ The form diffuses through the molten carbonate layer to the carbon-based fuel interface, selectively oxidizing the carbon-based fuel to generate CO. The metal oxide is reduced to metal and sinks to the metal layer; (4) Regeneration step: a gaseous oxidant is introduced into the metal layer to oxidize the metal to metal oxide, replenishing the oxygen storage capacity of the metal oxide layer, and completing the storage of oxygen and the circulation of the reaction medium. This invention utilizes the potential of the galvanic cell to spontaneously drive the reaction and manages the gasification process by controlling the "charging / discharging" cycle. It has the advantages of high CO selectivity, good metal oxide volatilization inhibition effect, high fuel impurity tolerance, high gas production calorific value, and spontaneous and efficient reaction, which is suitable for the needs of clean and efficient conversion of distributed carbon-based fuels.

This invention belongs to the field of animal genetic engineering technology, specifically relating to a cashmere goat circRNA, an interference vector, and their application in regulating cashmere goat hair follicle development. The cashmere goat circRNA is circ-0000987; the base sequence of circ-0000987 is shown in SEQ ID NO.1, and it is used to regulate cashmere goat hair follicle development. This invention reveals for the first time the inhibitory effect of circ-0000987 on the proliferation of cashmere goat papillary cells. The results of this invention show that circ-0000987 plays a proliferative inhibitory role in cashmere goat papillary cells, inhibiting their activity by negatively regulating cell proliferation-related pathways; and participating in the transition of hair follicles from the anagen to catagen phase by inhibiting cell proliferation and promoting apoptosis.

The application discloses a high-efficiency carbon fixation microalgae breeding device, and relates to the technical field of carbon fixation microalgae breeding.The device comprises an elongated pool, a partition plate is arranged at the middle position of the elongated pool, so that a loop-shaped channel in the shape of a long strip is formed in the elongated pool, bottom plates are arranged in the two parallel straight channels of the loop-shaped channel, the upper surfaces of the bottom plates are arranged in an inclined manner, and the inclined directions of the two bottom plates are opposite.Two liquid lifting mechanisms are arranged at the high end positions of the two bottom plates respectively, and are used for lifting the algal liquid in the loop-shaped channel to the high end of the bottom plate, so that the algal liquid flows downward along the upper surface of the bottom plate automatically.Two groups of disturbance mechanisms are arranged on the upper surfaces of the two bottom plates.The algal liquid is driven to form a turbulent state by the bidirectional inclined bottom plates, the liquid lifting mechanism and the disturbance mechanism, the problems of surface light inhibition and bottom dark area are reduced, and the light energy utilization efficiency of the microalgae is improved significantly.

This invention relates to the field of catalyst preparation technology, and more specifically, to the preparation and application of a metal catalyst for the production of the rubber antioxidant 6PPD. Copper nitrate and zinc nitrate compounds are dissolved in deionized water, and silicate esters are added and mixed in a water bath. The pH is adjusted, the mixture is aged, filtered, and washed with water to obtain the catalyst precursor. Copper halide is added and stirred until homogeneous, then dried in an oven, ground, and calcined to obtain the metal catalyst for the production of the rubber antioxidant 6PPD. This invention's metal catalyst maintains high activity and selectivity while also being low in cost, exhibiting excellent stability and environmental friendliness. The preparation process is simple, reproducible, and suitable for large-scale production, providing a novel catalytic solution with high industrial application value for the efficient and green synthesis of p-phenylenediamine antioxidants.

This invention discloses a highly efficient integrated anaerobic ammonia oxidation reactor and treatment method for kitchen wastewater sludge, belonging to the field of wastewater treatment technology. The reactor includes a tank and integrated pretreatment module, denitrification reaction module, solid-liquid separation module, temperature control module, aeration module, and sludge circulation module. The pretreatment module is located at the bottom of the tank and includes a grid filter unit and a bio-adsorption unit; the denitrification reaction module is located above the pretreatment module and is filled with granular anaerobic ammonia oxidation composite bacteria; the solid-liquid separation module is located above the denitrification reaction module and includes a three-phase separator and an inclined plate sedimentation unit. This invention, through its integrated design, achieves pretreatment, denitrification reaction, solid-liquid separation, and precise control within a single tank, solving the problems of low integration, easy loss of bacteria, and high operating costs in existing technologies. It has advantages such as small footprint, high efficiency, stable operation, and no need for external carbon sources, making it particularly suitable for kitchen wastewater sludge treatment.

The invention belongs to the technical field of microorganisms, and particularly relates to a compost pseudomonas, a microbial agent and application of the compost pseudomonas, the compost pseudomonas is P430, the compost pseudomonas is preserved in the China Center for Type Culture Collection, the preservation date is November 18, 2024, the preservation number is CCTCC NO: M 20242583, the strain has high siderophore production activity, the siderophore activity unit is 44.2% in 72 h, and the siderophore production time is 24 h. Under salt stress, the soybean emergence rate can be remarkably increased, soybean seedling growth can be remarkably promoted, and the inhibition effect of salt stress on rape radicle and bud growth can be remarkably relieved.

The present application takes into account both inhibition of adhesion of a space portion and shortening of drying time. An elastic wave device includes a support member including a support substrate having a thickness in a first direction; a piezoelectric layer provided in the first direction of the support member; and a plurality of resonators each having a functional electrode provided in the first direction of the piezoelectric layer. The support member is provided with a plurality of space portions at positions overlapping at least a portion of each of the resonators when viewed in the first direction, the plurality of space portions including a first space portion and a second space portion having a larger area than the first space portion when viewed in the first direction, the piezoelectric layer is provided with a first through-hole communicating with the first space portion and a second through-hole communicating with the second space portion, and the first through-hole has a larger area than the second through-hole when viewed in the first direction.

The embodiment of the specification provides a data alarm system, a processing method, electronic equipment and a storage medium, and relates to the technical field of network security data processing. The system comprises: a pattern recognition module, configured to generate dynamic intelligence sequences with a space-time correlation relationship according to alarm information of different sources, and recognize a dominant interaction mode of a current attack; a blocking probability determination module, configured to determine an alarm correlation link, and determine a local information blocking probability according to information continuity between adjacent intelligence frames in the alarm correlation link and a change frequency of the dominant interaction mode; a compensation factor determination module, configured to generate a compensation factor based on alarm handling channel information and based on network interaction characteristics; and a deployment processing module, configured to adjust a resource quota of an alarm handling channel and an alarm aggregation determination threshold according to the compensation factor in each preset deployment period. Based on this, adaptive reduction of redundant alarms can be realized, and security operation efficiency and protection accuracy can be improved.

The present disclosure provides a system for producing cellulosic ethanol by biomass saccharification and fermentation. The system includes a reactor A configured to carry out an enzymatic hydrolysis reaction of a biomass feedstock, a reactor B configured to carry out a fermentation reaction of the biomass feedstock, and a collection tank configured to collect the cellulosic ethanol produced from the fermentation reaction of the biomass feedstock. The reactor A is connected to the reactor B, the storage tank, and the collection tank, and the reactor B is connected to the storage tank. The present disclosure also provides a method for preparing cellulosic ethanol implemented by the system, by which multiple cycles processes of enzymatic hydrolysis, fermentation, and the ethanol extraction are carried out on the biomass feedstock at intervals, thereby reducing the inhibitory effect of the ethanol accumulation on the hydrolysis and fermentation processes and improving the conversion rate of the cellulosic ethanol. By setting a storage tank, two batches of materials can be processed simultaneously in one system, thereby greatly improving the production efficiency of cellulosic ethanol.

The invention belongs to the field of soil pollution treatment, and relates to a method for jointly relieving toxicity of microplastics to a soil-plant system based on a nitrification inhibitor-carbon nanomaterial. The method comprises the following steps: applying a nitrification inhibitor and a carbon nanomaterial to plant planting soil; the nitrification inhibitor is DMPP, and the carbon nanomaterial is one or more of a multi-walled carbon nanotube and a nanodiamond. The method can technically slow down microplastic pollution, improve soil health and guarantee quality safety of agricultural products.

The invention relates to the technical field of microbial fermentation and feed production, in particular to a free gossypol degrading bacterium YJQ-1 and application thereof.The free gossypol degrading bacterium YJQ-1 is Wickerhamomyces anomalus, is preserved in the China Center for Type Culture Collection on March 4, 2026, has the preservation number of CCTCC M 2026367 and is separated from Sichuan Dazhou sweet distiller's yeast. The strain can tolerate 2.0 g / L of gossypol acetate, and the degradation rate of 1.0 g / L of gossypol acetate within 72 h reaches 83.75%. The microbial inoculum prepared from the strain is inoculated to cottonseed meal sieved by a 40-mesh sieve according to the inoculum size of 5%, the moisture content is adjusted to 40%, solid state fermentation is performed at 30 DEG C for 7 days, the gossypol degradation rate is 86.52%, the free gossypol is only 144 mg / Kg, and nutritional indexes such as cottonseed meal crude protein and protein digestibility are remarkably improved. The technology is low-carbon and environment-friendly, the application range of the cottonseed meal is widened, and a foundation is laid for biological manufacturing of oil processing byproduct protein resources.

The present application relates to a kind of boron stainless steel sheet for thermal neutron absorption preparation method, comprising the following process steps: (1) induction melting; (2) atomization and deposition; (3) forging; (4) hot rolling; (5) profile processing.The present application is through innovative process route, reasonable melting, plate processing deformation and heat treatment process, significantly improve the microstructure of material, refine hard and brittle boride particles, and then improve the hot workability of material and the mechanical properties of finished plate, meet the higher requirements of boron stainless steel sheet for thermal neutron absorption.According to the process manufactured by the present application, the performance of the plate is similar to powder metallurgy boron stainless steel, also has excellent comprehensive performance, and the process flow is shorter, and the manufacturing cost is also lower.

The application discloses a pH-responsive deformable double-targeting nano-protein and a preparation method and application thereof, and the method comprises the following steps: after carboxylated mannose is activated through an EDC / NHS system, the carboxylated mannose is reacted with an albumin solution, and mannose-modified albumin is obtained through dialysis purification; the mannose-modified albumin is mixed with an inhibitor IRG1-IN-1, and IRG1-IN-1 is loaded through hydrophobic interaction to obtain mannose albumin nanoparticles; ferritin is used as a carrier, and oxaliplatin is loaded through a solvent displacement method to obtain ferritin nanoparticles; CHO-PEG2k-CHO is used as a connecting agent, and the mannose albumin nanoparticles and the ferritin nanoparticles are crosslinked through a Schiff base reaction to form large-size pH-responsive double-targeting nano-proteins. The double-targeting separable characteristics of the nano-proteins can realize specific treatment, kill tumor cells, interfere with immune cell metabolism, block metabolic immunosuppression, and promote anti-tumor immunotherapy.

The invention discloses an application of a Cu / Zn-ZIF (Cu / Zn-ZIF) material in strengthening anaerobic digestion of organic wastes, which comprises the following steps of: adding a bionic metal organic framework material Cu / Zn-ZIF with a Cu (II) / Zn (II) bimetal active center into an anaerobic digestion system of the organic wastes, and simulating a catalytic mechanism of natural copper-zinc superoxide dismutase; oriented removal is carried out on excessive active oxygen generated by induction of exogenous disturbance factors and endogenous factors in the anaerobic digestion process, oxidative stress mediated by the active oxygen is reduced, the activity and metabolic stability of key functional microorganisms such as methanogenic archaea are maintained, the endurance capacity of an anaerobic digestion system to exogenous impact is remarkably improved, and the purpose of improving the anaerobic digestion efficiency is achieved. The methane yield and the stability of the anaerobic digestion system are synergistically improved. The method is simple and convenient to operate, low in operation cost and high in applicability, is suitable for stable operation of a newly-built anaerobic digestion facility, is also suitable for shock resistance strengthening transformation of an existing device, and has good environmental benefits and economic values.

The utility model relates to a ganoderma spore powder processing equipment technical field especially relates to a ganoderma spore powder processing is used to reduce noise wall breaking machine. Its technical scheme includes base, the top of base is equipped with the wall breaking cup body for processing, one side of wall breaking cup body is equipped with the pull handle, the outside of wall breaking cup body is equipped with the noise reduction structure for reducing the noise, the noise reduction structure includes the installation shell no.

The utility model discloses a heterotrophic denitrification device and a heterotrophic denitrification system for deep denitrification of petrochemical high-salinity wastewater, aims to solve the problem of inhibition of a high-salinity environment on a heterotrophic denitrification nitrogen removal process, and provides an efficient and stable wastewater nitrogen removal solution. The device mainly comprises a salt-tolerant denitrifying flora immobilization system, a carbon source slow-release module and a reaction parameter monitoring system. The biological stability of the salt-tolerant heterotrophic denitrifying flora in a high-salt environment is improved through an immobilization technology, and sufficient nutrition supply is provided through a carbon source slow release system. The online monitoring system monitors key parameters such as pH value, dissolved oxygen, oxidation-reduction potential, salinity and pressure difference in real time to ensure optimal reaction conditions. Compared with the prior art, the device disclosed by the utility model can be used for efficiently and stably removing nitrogen pollutants in the wastewater in a high-salinity environment, is relatively low in operation cost and is widely applied to deep denitrification of high-salinity wastewater in industries such as petrochemical industry and the like.

This invention discloses a rapid flotation process for efficiently recovering coarse copper slag, comprising the following steps: (1) crushing and ball milling the copper slag, adding grinding aids and oxidants during grinding to obtain the slurry required for rapid flotation; (2) adding collectors and frothers for rapid flotation to obtain coarse copper sulfide; (3) adding modifiers, collectors and frothers to the remaining slurry for flotation, combining the roughing product and the coarse copper sulfide obtained by rapid flotation into copper concentrate; (4) continuing to add modifiers, collectors and frothers to the remaining roughing slurry for flotation, returning the middlings obtained by scavenging to the roughing operation, and filtering and drying the remaining slurry as tailings. This invention improves the liberation of copper slag and the physicochemical properties of the surface of copper-containing particles in the slag by adding grinding aids and oxidants. Rapid flotation can recover a portion of copper sulfide concentrate before roughing, increasing the recovery efficiency of fine copper particles in subsequent operations.

This utility model relates to the field of leather wastewater treatment technology, and more particularly to a device for hydrogen sulfide removal in a biogas stripping anaerobic system. The device includes an anaerobic reaction assembly, a gas hood assembly, a gas-liquid separator, a desulfurization tower, and a blower. The anaerobic reaction assembly includes a reaction tank with a first inlet inserted into its side wall. The gas hood assembly includes a stripping gas collection hood fixed inside the reaction tank. Compared to traditional hydrogen sulfide removal devices in biogas stripping anaerobic systems, this utility model, by incorporating a gas hood assembly and a stripping perforated pipe, allows hydrogen sulfide to be stripped through the perforated pipe and collected by the stripping gas collection hood. The hydrogen sulfide is then lifted to the gas-liquid separator for gas-liquid separation and drying, and finally desulfurized by the desulfurization tower. Activating the blower accelerates the biogas flow rate, allowing the biogas to re-enter the reaction tank, stripping perforated pipe, and stripping gas collection hood, thereby reducing the hydrogen sulfide content inside the reaction tank, reducing inhibition of anaerobic bacteria, and thus improving the efficiency of anaerobic treatment of leather wastewater.

The invention provides a preparation method of modified stropharia rugosoannulata crude polysaccharide and application of the modified stropharia rugosoannulata crude polysaccharide in lactobacillus fermentation of rhizoma polygonati, and belongs to the technical field of bioengineering. The method comprises the following steps: carrying out irradiation treatment on crude stropharia rugoso-annulata polysaccharide, and then carrying out ultrahigh pressure treatment to obtain the modified crude stropharia rugoso-annulata polysaccharide. In order to solve the problem that the proliferation of lactic acid bacteria is inhibited in the fermentation process of rhizoma polygonati, the growth of the lactic acid bacteria is promoted by adding the modified stropharia rugoso-annulata crude polysaccharide. The method can effectively reduce the inhibition effect of the polygonatum sibiricum primary pulp on lactic acid bacteria and improve the fermentation efficiency. After the fermentation broth is applied to polygonatum sibiricum fermentation, the content of irritant components is reduced, the taste and flavor of primary pulp are improved, the content of saponins, total phenols and total flavonoids is remarkably increased, and meanwhile the content of cholesterol is reduced. In addition, the inhibition capability and the antioxidant activity of the fermented polygonatum sibiricum primary pulp on alpha-glucosidase are enhanced, and the comprehensive quality of the product is remarkably improved.