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1149results about How to "Increase production" patented technology

Technique process of grainy calcium material for preventing and treating peanut blight

InactiveCN101550041AReasonable designLow raw material costFertilizer mixturesPelletizingBlight
The inventive technique process of grainy calcium material for preventing and treating peanut blight primarily includes: adopting the shell powder and weathered coal as raw materials, machining into peanut blight prevention material through agglomeration granulation. The invention has innovative and reasonable design, which not only has simple process, easy implementing, but also has low cost of raw materials, product application convenience, remarkable peanut blight prevention effect, and capability of promoting high-efficient production pf peanut. In particular, the invention applies coastal oyster shell wastes for machining calcium materials for preventing and treating peanut blight, which not only reduces environmental pollution, but also promotes recycling of resources, has very significant economic, social and ecological benefits and greater promotional value.
Owner:INST OF SOIL & FERTILIZER FUJIAN ACADEMY OF AGRI SCI

Recombinant escherichia coli for de novo synthesis of piceatannol and construction method and application thereof

The invention relates to recombinant escherichia coli for de novo synthesis of piceatannol as well as a construction method and application thereof, and belongs to the field of synthetic biology and metabolic engineering. According to the invention, an L-tyrosine production strain is used as an original strain, five key genes required for synthesizing piceatannol are combined and connected to a plasmid vector, and a recombinant plasmid is introduced into the original strain, so that an engineering strain for heterologous synthesis of piceatannol is successfully constructed. According to the invention, the yield of piceatannol is further obviously improved through copy number optimization.
Owner:MAIYUAN LABORATORY

Genetically engineered bacterium for producing polydeoxyribonucleotide as well as construction method and application of genetically engineered bacterium

The invention provides a genetically engineered bacterium for producing polydeoxyribonucleotide as well as a construction method and application of the genetically engineered bacterium. The genetically engineered bacterium comprises kluyveromyces marxianus for expressing a salmon DNA polymerase I gene. According to the invention, the edible probiotic Kluyveromyces marxianus is transformed through genetic engineering, efficient, safe and controllable production of PDRN is realized, the biological activity of PDRN is equivalent to that of PDRN from a natural source, and large-scale production and application of PDRN are facilitated.
Owner:SHANGHAI JIAXIN BIOTECHNOLOGY CO LTD

Fine positioning excavation of flowering gene of short-growth-period brassica napus and development of molecular marker

The invention relates to the field of genes, in particular to molecular markers for judging flowering time of brassica napus L. The molecular markers are Indel-282, Indel-326 and Indel-353 respectively and are located on an A02 chromosome of the brassica napus L.. The molecular marker has high specificity and stability, and is significantly related to the flowering time. The markers show high specificity and stability in brassica napus plants under different genetic backgrounds. By detecting the molecular markers through PCR amplification and electrophoresis, the flowering time of different plants can be quickly and accurately identified in the early stage of breeding. Therefore, the flowering time of the plant can be determined in the early stage, so that the breeding efficiency is improved. The molecular markers can be used for molecular marker-assisted selective breeding, and plants with early flowering or late flowering characteristics can be quickly screened by detecting the markers, so that the breeding process of excellent varieties is accelerated, and the functions and regulation mechanisms of related genes are further disclosed.
Owner:GUIZHOU OIL RES INST (GUIZHOU FLAVOR RES INST)

Multifunctional low-temperature corn straw degrading composite microbial inoculant, preparation method and application

The application discloses a kind of multifunctional low-temperature degradation corn stalk composite microbial inoculant, preparation method and application, the composite microbial inoculant is compounded by multiple microorganisms with straw degradation, potassium solution and promoting function, comprising the following strains: bacillus subtilis K15, curvularia geniculata L11 and bacillus mycoides L31.The composite microbial inoculant constructed in the application realizes synergistic effect and functional complementation, through strain scientific compounding, straw decomposition rate is significantly improved, and decomposition period is obviously shortened;Enhance the adaptability and colonization competitiveness of microorganisms in winter low temperature and complex soil environment.The composite microbial inoculant of the application also has multiple functions such as straw degradation, potassium solution and IAA production, etc.At the same time of releasing nutrients by rapid decomposition of straw, it can convert difficult-to-use soil potassium into available potassium.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Triangular final singling, interplanting and close planting seeding machine for wheat and corn

ActiveCN224178639UIncrease seeding densityIncrease productionPlantingWatering devicesSeederPlanting seed
The utility model discloses a wheat and corn triangular final singling interplanting close planting planter, which comprises a traction frame, a land wheel and seeding monomers, the seeding monomers perform small double-row triangular final singling mode seeding during seeding, at least two seeding monomers are arranged on the traction frame side by side through a four-bar linkage, the land wheel is connected with the traction frame through a connecting frame, and the land wheel is connected with the traction frame through a connecting frame. The land wheel is linked with a transmission through a transmission mechanism, the transmission drives the seeding monomers to synchronously rotate through a driving mechanism to realize seeding operation, and the distance between the seeding monomers is matched with a corn interplanting area reserved during wheat planting and seeding; the sowing machine is improved on the basis of an existing sowing machine, a small double-row triangular final singling sowing mode is adopted for corn sowing in a corn interplanting area reserved during wheat sowing, the wheat and corn interplanting mode is optimized, the corn sowing density is increased, the interplanting land utilization rate is increased, and the yield is increased.
Owner:SHIHEZI UNIVERSITY +3

A method for structural reconstruction and saline-alkali improvement suitable for saline-alkali farmland and application thereof

The application belongs to the technical field of saline-alkali land improvement, and particularly relates to a structure reconstruction and saline-alkali improvement method suitable for saline-alkali farmland and application thereof. The application effectively improves soil structure, increases soil air permeability and water permeability, reduces salt concentration in soil, and further improves soil quality through measures such as soil improvement, water-salt regulation, salt spot ploughing layer reconstruction and leaching promotion. The optimized soil condition of the application provides a better growth environment for crops, which helps to improve the survival rate and yield of crops, and to enhance the growth environment of crops. The application integrates various improvement methods, can effectively manage different degrees of saline-alkali land, and has high adaptability and flexibility. Moreover, the application focuses on long-term effects, not only pays attention to short-term improvement effect, but also considers subsequent maintenance and management, which is beneficial to realize sustainable utilization of land resources.
Owner:XINJIANG ACAD OF AGRI SCI (XINJIANG BRANCH OF CHINESE ACAD OF AGRI SCI)

Nitrogen-doped hierarchical pore carbon material as well as preparation method and application thereof

The invention provides a nitrogen-doped hierarchical pore carbon material as well as a preparation method and application thereof, and the preparation method comprises the following steps: sequentially dissolving urea, alkali metal hydroxide and / or a pore-forming agent in water to obtain a mixed solution, cooling the mixed solution, adding cellulose-based biomass, and dissolving the cellulose-based biomass to obtain transparent sol; freezing the transparent sol into a solid, and performing vacuum freeze drying to obtain a white loose solid; mixing and grinding the liquid polymeric monomer and the white loose solid, and performing heat treatment to obtain a solid product; and carbonizing the solid product in an inert atmosphere, and then pickling and washing the carbonized product. According to the preparation method, chain-shaped arrangement in cellulose-based biomass molecules is converted into three-dimensional net-shaped arrangement through dissolution, macropores are formed, a macropore framework is kept stable and does not collapse in the carbonization process through polymerization reaction, and the formed hierarchical pore carbon material has a micropore / mesopore / macropore coexisting three-dimensional structure and controllable specific surface area and pore size distribution; meanwhile, in-situ nitrogen doping can also be realized.
Owner:PETROCHINA CO LTD

A composite microbial fertilizer, a preparation method and application thereof

The application provides a compound microbial fertilizer, a preparation method and application thereof. The compound microbial fertilizer comprises the following components in parts by weight: 10-30 parts of a compound microbial agent, 20-50 parts of an agent carrier, 30-50 parts of a compound fertilizer slow-release agent and 10-30 parts of modified urea aldehyde. The compound microbial fertilizer prepared by the application can be applied to growth tests of tomatoes, and higher yield, stem thickness growth value, vitamin C content and sugar acid ratio can be obtained. The compound microbial fertilizer has long-term effect, can release phosphorus, nitrogen and potassium and the like, has the effects of moisturizing and loosening soil, can increase the yield and quality of tomato fruits, promote the robustness of roots and stems and improve the eating taste.
Owner:YUEQING ZHUYUN TECHNOLOGY CO LTD

Method of hydrochemical enrichment of high-carbonate bauxites for alumina production

The invention relates to a method of beneficiation of high-carbonated bauxites to remove carbonates to produce alumina by the Bayer process, said method comprising grinding bauxite in a solution of ethylenediaminetetraacetic acid (EDTA) disodium salt with a concentration of no less than 100 g / dm3, holding the obtained slurry while stirring at a temperature of no less than 70 °C, followed by filtering the obtained slurry to obtain a beneficiated bauxite and solution saturated with calcium salts, the beneficiated bauxite with a reduced carbonate content is fed to alumina recovery and the solution saturated with calcium salts is fed to regeneration of the EDTA disodium salt. The proposed method provides for effective removal of carbonates from bauxites (> 90 %), as well as increases the recovery of market-grade alumina from bauxites.
Owner:OBSHCHESTVO S OGRANICHENNOY OTVETSTVENNOSTYU OBEDINENNAYA KOMPANIYA RUSAL INZHENERNO TEKHNOLOGICHESKIY TSENTR

Cutting forming mechanism

The utility model discloses a cutting forming mechanism which comprises a forming mechanism body, the forming mechanism body is integrally installed on a conveying mechanism, the forming mechanism body comprises a plurality of sets of discharging pipelines, and the multiple sets of discharging pipelines are arranged above the conveying mechanism and arranged in the direction perpendicular to the conveying direction of the conveying mechanism. The number of the cutting mechanisms is two, the two cutting mechanisms are oppositely arranged in the conveying direction of the conveying mechanism, and the forming mechanism is arranged between the two cutting mechanisms; the cutting mechanism comprises a second power device; the cutting frame is driven by a second power device to linearly move in the direction parallel to the product conveying direction of the conveying mechanism; one end of the pull rod is annular, and the pull rod vertically penetrates through the end part of the cutting frame and is fixed with the cutting frame; and one end of the cutting line is bound and fixed at the annular end of the pull rod. According to the multi-station synchronous cutting device, multi-station synchronous cutting is achieved, the yield in unit time is increased, and the large-scale production requirement is met.
Owner:SICHUAN WANLIN COLD FOOD CO LTD

A cushion block gluing loading disc and a cushion block automatic gluing device

ActiveCN224346282URealize continuous automatic feedingachieve adsorptionLiquid surface applicatorsCoatings
This utility model belongs to the field of transformer manufacturing and relates to a pad gluing and feeding tray and an automatic pad gluing device. The pad gluing and feeding tray has an inner cavity divided into an air supply chamber, an air extraction chamber, and an empty chamber. The air supply chamber is located at the lower part of the inner ring of the pad gluing and feeding tray, connected to one end of an air supply pipe, and the other end of the air supply pipe is connected to an air supply port, which is connected to an air supply mechanism. The air extraction chamber is connected to one end of an air extraction pipe, and the other end of the air extraction pipe is connected to an air extraction port, which is connected to an air extraction mechanism. A set of grooves are evenly distributed on the circumference of the outer ring of the pad gluing and feeding tray, with ventilation holes in the center of the grooves. The output shaft of the feeding tray motor is fixedly connected to the outer ring rotating shaft of the pad gluing and feeding tray via a coupling. The automatic pad gluing device includes an electric cylinder, a pneumatic slide table, and a dispensing machine. This utility model achieves continuous automatic feeding of pads, enabling automatic adsorption and automatic ejection of pads, and ensuring that the spacing and height of each pad are consistent after bonding with the paper tape.
Owner:SHANDONG FUTURE INTELLIGENT TECH CO LTD

Glass-liquid delivery apparatus and temperature control method thereof

ActiveCN118878185BRealize the insulation effectPrevent impurity defectsForehearthsGlass productionTemperature controlPlatinum
This invention provides a glass melt conveying device and its temperature control method, comprising an inner wall, an outer wall, and a cavity disposed between the inner and outer walls; both the inner and outer walls are made of refractory materials; the surface of the inner wall is provided with an anti-erosion layer; multiple inner wall temperature detectors are uniformly arranged in the inner wall; the outer sides of the two walls of the cavity are respectively attached to the inner and outer walls; multiple supports are uniformly arranged in the cavity; the two ends of the supports are respectively fixed to the inner sides of the two walls of the cavity. This invention can achieve a heat preservation effect on the bottom and sides of the glass melt through the anti-erosion layer, preventing related defects caused by temperature differences. At the same time, using non-precious metals such as molybdenum as the anti-erosion layer to prevent the glass melt from eroding greatly reduces construction costs; for platinum tube-type glass melt conveying devices, molybdenum electrode heating can be used instead of platinum heating in the high-temperature section, eliminating the situation where the entire channel is electrified, thereby improving production safety.
Owner:CHONGQING AUREAVIA HI TECH GLASS CO LTD

Short-term and accurate prediction method of tuna longline fishing center and hooking route based on middle layer water temperature and ocean current spatial characteristics

ActiveCN114819269BDelicately characterize environmental elementsAccurately grasp the rules of changeForecastingMarine engineeringFishing
The application discloses a short-term accurate prediction method for tuna longline fishing center fishing ground and hooking route based on middle layer water temperature and ocean current spatial characteristics, and has the characteristics that the fishing ground position is accurately predicted according to the spatial vortex characteristics of the middle layer water temperature (reference 100m water layer, auxiliary reference 50m water layer) and the ocean current (preferably the ocean current of the 100m water layer, auxiliary reference the ocean current of the 50m water layer), and the hooking route is designed according to the method that the hooking route is maximally 90 degrees with the 100m water layer ocean current. The application can accurately predict the fishing ground position and the hooking route by combining the marine environment and the tuna longline fishing boat operation characteristics, and can improve the catch by 10-20% and improve the production effect.
Owner:EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI +1

Solar powered radio controlled adjustable flow valve system

The application provides a solar power wireless electric control adjustable flow valve system, and belongs to the technical field of oil and gas well ground throttling pressure control. The system comprises an erosion-resistant adjustable flow valve, an electric actuator, an electric control box and a solar power supply system. The solar power supply system supplies power to the electric control box, and the electric control box controls the adjustment of the erosion-resistant adjustable flow valve nozzle aperture through the electric actuator. The application collects wellhead pressure through a pressure sensor and transmits pressure data to the electric control box in real time. The electric control box controls the electric actuator according to real-time pressure changes, thereby controlling the automatic adjustment of the erosion-resistant adjustable flow valve Φ2-25 mm nozzle aperture. At the same time, the solar power supply system (containing a battery pack) automatically provides sufficient power to the electric control box, thereby ensuring the normal operation of the entire solar power wireless electric control adjustable flow valve system.
Owner:CHINA NAT PETROLEUM CORP +1

A precise intelligent agricultural greenhouse control system based on Zigbee transmission technology

The application discloses a precise intelligent agricultural greenhouse control system based on Zigbee transmission technology and relates to the technical field of intelligent agricultural greenhouse environment control. The system continuously monitors leaf surface temperature, air temperature and humidity and breeze speed, identifies local dewing risks by combining the change track of the leaf surface temperature to the dew point temperature and the influence of the breeze speed on the leaf surface air boundary layer, constructs link congestion states by combining the node retransmission times and the cache queue occupation amount, and realizes the priority scheduling of the control instruction and the environment data transmission. In the case that the dewing risk is increased and the link is congested, the anti-dewing control instruction is preferentially issued to the local microcirculation fan and the top ventilation window, and the non-key sensing node report is dynamically suspended, so that the high precision, real-time performance and spatial positioning of the anti-dewing control are realized. The application can prevent the local low wind speed area from dewing in advance, improves the yield and quality of the greenhouse crops, and effectively reduces the local disease risk.
Owner:YANGZHOU JINXIU ECOLOGICAL AGRI TECH CO LTD

Engineered bacteria for increasing lipopeptide production, their construction methods, and applications.

ActiveCN119101697BIncrease production
This invention discloses an engineered bacterium that increases lipopeptide production, its construction method, and its uses. The construction method involves eliminating the endogenous plasmid of Bacillus amyloliquefaciens to obtain engineered bacterium 1 that increases lipopeptide production. Compared with Bacillus amyloliquefaciens that has not undergone the elimination of the endogenous plasmid, engineered bacterium 1 of this invention can produce more lipopeptide substances such as surfactantin, fengycin, and iturin A during the culture process.
Owner:TIANJIN UNIV

Plant exosome with anti-acne effect as well as preparation method and application of plant exosome

The invention belongs to the technical field of exosome preparation, and discloses a plant exosome with an anti-acne effect and a preparation method and application of the plant exosome with the anti-acne effect. According to the application, an integrated technical route of microbial regulation and induction, complexing-agent-free green extraction and synergistic acne resistance is established: a microbial strain spore suspension is used as a biological inducer, a plant active precursor is released by dynamic countercurrent of ethanol, and PEG / CaCl2 residues are completely eradicated through physical separation in the whole process; finally, the microorganism-induced plant exosome with high yield, high activity and high safety is obtained.
Owner:SHAANXI UNIV OF CHINESE MEDICINE

Herbicidal compositions containing flumioxazin and cyhalofop-butyl and their use

This invention discloses a herbicidal composition containing propyzoxystrobin and chlorpyrifos, and its application, belonging to the field of pesticide technology. The active ingredients of this herbicidal composition are propyzoxystrobin and chlorpyrifos, with a weight ratio of propyzoxystrobin to chlorpyrifos of 1:5 to 5:1. Through the synergistic effect of the two active ingredients, this herbicidal composition addresses the seed dormancy and germination characteristics and resistance issues of black nightshade in pumpkin fields, achieving a synergistic control effect of "rapid-acting + long-lasting" and "closed + foliar" action. The control efficiency can reach over 80%, with an optimal ratio reaching as high as 93.1%. It also significantly increases pumpkin yield without adversely affecting pumpkin growth, solving the technical problems of the lack of dedicated control agents for black nightshade in pumpkin fields and the strong resistance of conventional agents in existing technologies.
Owner:ANHUI HEFENG HERUN AGRICULTURAL TECHNOLOGY CO LTD

Battery cell, battery, electrical device, and method and apparatus for manufacturing battery cell

Provided are a battery cell, a battery, an electrical apparatus, and a method and device for manufacturing a battery cell. The battery cell includes a case (110), an end cover (120), an electrode assembly (130) and a solder (140), the case (110) has an accommodating cavity (111) and an opening at one end; the end cover (120) is connected to the case (110); the electrode assembly (130) is provided in the accommodating cavity (111), the electrode assembly (130) has a first tab (131), and the first tab (131) faces the opening; the solder (140) is provided between the end cover (120) and the first tab (131) and connects the end cover (120) and the first tab (131); an insulating member (150) is also provided between the end cover (120) and the first tab (131), an insulating cavity (151) is provided on the insulating member (150), a feed port (152) is provided on one side of the insulating cavity (151), and the feed port (152) faces the solder (140).
Owner:CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED

Method for inducing polyploidy of radix peucedani by using fasciculate buds and application thereof

ActiveCN120898725Bprevent oxidationReduce the incidence of browningBiotechnologyColchicine
The application provides a method for inducing poly-podophylli rhizoma by using clump buds, comprising the following steps: S1, cutting stem segments from a podophylli rhizoma mother plant, soaking and cleaning to obtain explants; S2, disinfecting and cleaning the explants, inoculating into a clump bud induction medium to obtain podophylli rhizoma clump buds; S3, inoculating the clump buds into doubling liquid I, washing with a liquid clump bud induction medium after culture, and then transferring into doubling liquid II; S4, taking out the clump buds, cleaning, inoculating into a clump bud induction medium, and then inoculating into a bud proliferation medium; S5, waiting until 1-2 cm, screening out potential mutant strains through phenotypes, inoculating into the bud proliferation medium for subculture, and obtaining mutant plants; and S6, rooting culture of the mutant plants, and after root systems grow, planting and raising seedlings, and then poly-podophylli rhizoma plants are obtained. In the research, suitable concentration of colchicine is used for induction treatment twice, and through stage concentration switching and intermittent recovery strategies, the poly-ploid induction efficiency and explant survival are effectively considered.
Owner:HANJIANG NORMAL UNIV

Method for old ginseng hole continuous cropping of ginseng

The present application relates to the field of Gastrodia elata cultivation, and particularly relates to a method for continuously planting Gastrodia elata in old planting holes. The present application effectively improves the yield of Gastrodia elata, and significantly reduces the incidence of new Gastrodia elata and the decay rate of mother Gastrodia elata by scientifically planting after rhizoma polygonati. In the present application, the breeding hole is sexual reproduction, and it does not need to cultivate armillaria bed. The armillaria, fungus material and Gastrodia elata seeds can be placed at the same time. The planting hole is asexual reproduction. Since the Gastrodia elata seed needs a large amount of nutrient elements, the armillaria bed needs to be cultivated. This operation mode can form the difference of microbial community between the breeding hole and the planting hole, which is beneficial to ecological competition, and thus improves the soil recovery and improvement.
Owner:GUIZHOU JIULONG TIANMA CO LTD

Liquid hydrogen production device and working method thereof

The invention discloses a liquid hydrogen production device and a working method thereof.The liquid hydrogen production device comprises a first heat exchanger, a pipe mechanism, a conversion mechanism, a cooling mechanism and a valve bank, a second cooling medium inlet, a first inlet and a first outlet are formed in the first heat exchanger, and the pipe mechanism comprises a first cooling pipe; and the first cooling pipes are connected with the first heat exchanger. The valve set comprises a second throttling valve, the second throttling valve is installed on a first cooling pipe, the first cooling pipe is communicated with a first outlet and a second cooling medium inlet, and circulating hydrogen entering the first heat exchanger from the first inlet exchanges heat with circulating hydrogen cooled and depressurized through the cooling mechanism. And the first cooling medium flows into the first cooling pipe from the first outlet, is throttled by the second throttling valve and enters the first heat exchanger from the second cooling medium inlet. The raw material hydrogen is cooled through the mode that expansion continuous refrigeration of the cooling mechanism cooperates with high-pressure throttling refrigeration, energy is saved, and meanwhile the product hydrogen with the parahydrogen content reaching 97% is produced.
Owner:SHANGHAI LIFENGAS CO LTD

Reinforcement learning intermittent process control method based on improved AC algorithm

ActiveCN116520703BSolving the sparse reward problemIncrease productionAdaptive controlLearning controllerEngineering
The application discloses a kind of reinforcement learning batch process control methods based on improved AC algorithm, it is related to the field of deep reinforcement learning and batch process control field.The method will be based on reinforcement learning method The batch process control is modeled as an optimal control problem on the basis of Markov decision process;Control action constraint is introduced in the reward function of reinforcement learning controller, the number of effective reward samples is increased to improve the learning rate of reinforcement learning controller, and the control cycle is shortened.Priority sampling method is introduced in the Actor-Critic algorithm of deep reinforcement learning, and a soft actor-critic algorithm with priority sampling is proposed to improve the sampling efficiency in the experience replay pool.The present application does not depend on prior knowledge and process model, and can realize model-free control of batch process.
Owner:JIANGNAN UNIV

Method for preparing two-dimensional MXene material in seconds by high-energy shock fluorinated salt etching

The application belongs to the technical field of two-dimensional materials, and relates to a method for preparing two-dimensional MXene materials through high-energy electric shock fluorinated salt etching in seconds, which comprises the following steps: 1) after grinding and mixing of a parent phase MAX powder and a fluorinated salt, the mixture is loaded into a quartz tube of a high-energy electric shock device, graphite electrodes are inserted into two ends of the quartz tube, and the material is compacted to be in close contact with the electrodes; 2) after completion of capacitor charging of the high-energy electric shock device, a discharge button is opened, high-energy electric shock is performed, the reaction is completed after flash phenomenon occurs, fluorinated salt is supplemented, and electric shock is repeated for 2-3 times; 3) the product after electric shock is ground and washed with acid, and after washing with deionized water until neutral, standing or centrifugal layering is performed, and the MXene two-dimensional material is obtained from the upper layer. Through high-energy electric shock, the reaction is completed in an instant, the comprehensive energy consumption is lower, and the etching efficiency is faster, and due to fast reaction time, high-temperature oxidation of the MXene can be effectively inhibited, and the application prospect is better.
Owner:ZHENGZHOU UNIV

De-acetylated sophorolipid as well as preparation method and application thereof

The invention belongs to the field of microbial fermentation and the technical field of daily chemicals, and particularly relates to deacetylated sophorolipid as well as a preparation method and application thereof. By using cheap culture medium components and screening out saccharomycetes with high yield of lactone type sophorolipid, the problem that the production cost of the sophorolipid is too high is effectively solved, and the application of the sophorolipid in various fields is promoted; through the step of carrying out enzymolysis on a fermentation substrate in advance, the problems of long single fermentation period, low thallus utilization rate, high energy consumption and high cost of traditional saccharomycetes are solved. A multi-round fermentation circulation system is designed, and bacteria liquid is settled and recycled and then inoculated and fermented, so that thalli are efficiently and repeatedly utilized, the unit yield is increased, the fermentation period is shortened, and the production cost is effectively controlled. The structure is adjusted through a resin modification technology, a final product mainly comprises acetylated sophorolipid, and compared with acetylated sophorolipid and deacetylated sophorolipid, the sophorolipid has better foam stability and sensitive skin repairing effect and is suitable for the application fields of cosmetics, washing care and the like.
Owner:SOUTH CHINA UNIV OF TECH