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Resultados 149 resultados
LastUpdate Última actualización 11/05/2025 [08:03:00]
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Solicitudes publicadas en los últimos 120 días / Applications published in the last 120 days
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Column type microalgae photobioreactor

NºPublicación:  CN222374642U 21/01/2025
Solicitante: 
EVERBRIGHT ENVIROTECH CHINA LTD
EVERBRIGHT ENVIRONMENTAL PROTECTION TECHNOLOGY INSTITUTE SHENZHEN LTD
\u5149\u5927\u73AF\u5883\u79D1\u6280\uFF08\u4E2D\u56FD\uFF09\u6709\u9650\u516C\u53F8,
\u5149\u5927\u73AF\u4FDD\u6280\u672F\u7814\u7A76\u9662\uFF08\u6DF1\u5733\uFF09\u6709\u9650\u516C\u53F8
CN_222374642_U

Resumen de: CN222374642U

The utility model discloses a column type microalgae photobioreactor which comprises a vacuum pump, a buffer tank, a reactor, a bracket, an algae liquid storage pool and a central control device, the vacuum pump is sequentially connected with the buffer tank and the reactor through pipelines, the reactor is erected on the algae liquid storage pool through a support, and the central control device is connected with and controls all the devices. The reactor provided by the utility model takes the vacuum pump as driving force, and is provided with multiple buffer containers, so that the continuous operation of the system is prevented from being influenced by the pollution of the vacuum pump while the shearing force of a flow passage component of the water pump is avoided, and the problem of pain points in the application process of the traditional column type microalgae photoreactor is effectively solved; while the advantage of high carbon sequestration efficiency of the column type reactor is reserved, the problems that the column type reactor is difficult to clean, the water pump easily damages microalgae growth and the like are solved.

Preparation method and application of algicidal bacterial powder of pseudomonas

NºPublicación:  CN119331862A 21/01/2025
Solicitante: 
WUHAN HANYANG MUNICIPAL CONSTRUCTION GROUP CO LTD
\u6B66\u6C49\u5E02\u6C49\u9633\u5E02\u653F\u5EFA\u8BBE\u96C6\u56E2\u6709\u9650\u516C\u53F8
CN_119331862_PA

Resumen de: CN119331862A

The invention discloses a preparation method and application of algicidal bacterial powder of pseudomonas, and relates to the technical field of microorganisms. Pseudomonas HB01 is separated from bottom mud in a cyanobacterial bloom environment, and the pseudomonas HB01 is applied to treatment of cyanobacterial bloom in lakes by utilizing the characteristic that bacterial liquid containing the pseudomonas HB01 has good algae-lysing activity. The separated pseudomonas HB01 has a good algae-lysing effect on microcystis aeruginosa, the removal rate within 72 hours can reach 85% or above, and the pseudomonas HB01 also has good performance on other common water bloom algae.

Method for processing carboxylic acid-containing separation product of separation process

NºPublicación:  CN119343459A 21/01/2025
Solicitante: 
K D PHARMA BEXBACH GMBH
UNIV DES SAARLANDES
K.D.\u836F\u7269\u8D1D\u514B\u65AF\u5DF4\u8D6B\u6709\u9650\u516C\u53F8,
\u8428\u5C14\u5E03\u5415\u80AF\u5927\u5B66
CN_119343459_PA

Resumen de: CN119343459A

The invention relates to a method for processing a carboxylic acid-containing separation product of a separation process, in particular a process for separating fish oil and/or algal oil, wherein polyunsaturated hydrocarbons are produced at least from a portion of the carboxylic acid by means of a microorganism. Suitably, the polyunsaturated hydrocarbons are or include omega-3 fatty acids and/or omega-6 fatty acids, preferably EPA, DHA and/or DPA. In one embodiment of the invention, the microorganisms are or include yeasts, fungi, bacteria and/or in particular marine protists, preferably microalgae. The yeast is preferably a Yarrowia lipolytica-based yeast, and the marine protists are preferably microalgae of Schizochytrium limacinum, preferably Schizochytrium limacinum SR21. The invention also relates to a biomass containing polyunsaturated hydrocarbons produced by microorganisms.

Equipment for preparing functional skin care product raw materials through microalgae culture

NºPublicación:  CN222374652U 21/01/2025
Solicitante: 
JIANGSU LANGQIN TECH CO LTD
\u6C5F\u82CF\u6717\u6C81\u79D1\u6280\u6709\u9650\u516C\u53F8
CN_222374652_U

Resumen de: CN222374652U

The utility model discloses equipment for preparing functional skin care product raw materials through microalgae culture, and relates to the field of microalgae culture preparation, the equipment for preparing the functional skin care product raw materials through microalgae culture comprises a servo motor and a box body, the top of the box body is movably provided with a top cover, and the top cover is provided with a rotating plate; a servo motor is fixedly connected to the bottom of the box body, a rotary placing plate is movably connected to the bottom of the inner side of the box body, an output shaft of the servo motor is fixedly connected with the rotary placing plate, a plurality of fixed bases are fixedly connected to the rotary placing plate, and culture bottles are fixedly mounted on the fixed bases; a rubber sealing cover is fixedly mounted at the top of the culture bottle, a fixed handle is fixedly connected to the rubber sealing cover, and the top of the fixed handle is attached to the bottom of the rotating plate, so that the problems that the breeding speed of microalgae is limited and the production efficiency is greatly reduced due to insufficient carbon dioxide caused by insufficient stirring of the microalgae are avoided.

Photobioreactor sheet with baffle structure as well as integral one-time forming manufacturing device and manufacturing method of photobioreactor sheet

NºPublicación:  CN119331708A 21/01/2025
Solicitante: 
INST OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES
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CN_119331708_PA

Resumen de: CN119331708A

The invention relates to the field of microalgae culture photobioreactors, in particular to a photobioreactor sheet with a baffle structure and an integral one-time forming manufacturing device and method of the photobioreactor sheet. The invention further relates to a manufacturing device and a manufacturing method for manufacturing a soft plate type photobioreactor by adopting the photobioreactor sheet with the baffle structure. The problem that the photobioreactor sheet with the baffle structure is difficult to integrally form at one time and continuously produce is solved; and the photobioreactor sheet with the baffle structure, which is stable and reliable in quality and has any length, and a corresponding manufacturing device and a corresponding manufacturing method are provided for subsequent welding of rib plates, drawstring welding and peripheral edge welding between flow channels of the soft plate type photobioreactor.

Manufacturing device and manufacturing method of soft plate type photobioreactor runner

NºPublicación:  CN119331709A 21/01/2025
Solicitante: 
INST OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES
\u4E2D\u56FD\u79D1\u5B66\u9662\u8FC7\u7A0B\u5DE5\u7A0B\u7814\u7A76\u6240
CN_119331709_PA

Resumen de: CN119331709A

The invention relates to the field of microalgae culture photobioreactors, in particular to a manufacturing device and a manufacturing method of a soft plate type photobioreactor runner. According to the manufacturing device, two (or one folded) photobioreactor sheets with baffle structures are automatically aligned and continuously welded with rib plates of any length in a large scale to form a soft plate type photobioreactor runner, and then the soft plate type photobioreactor is manufactured. The invention relates to a flexible plate type photobioreactor, and aims to solve the problems that in the manufacturing process of a flexible plate type photobioreactor with an internal baffle structure, two (or one folded) sheet rib plates of a photobioreactor with a baffle structure are difficult to weld, the production efficiency is low, the manufacturing cost is too high, the quality is difficult to guarantee, and only a small-size flexible plate type photobioreactor can be manufactured.

Reactor for fixing CO2 in fermentation tail gas through coupling of microalgae culture and fermentation

NºPublicación:  CN119331710A 21/01/2025
Solicitante: 
SHANGHAI JIAO TONG UNIV
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CN_119331710_PA

Resumen de: CN119331710A

The invention provides a reactor for coupling fixation of CO2 in fermentation tail gas in microalgae culture and fermentation. The reactor comprises a material supplementing tank, a material supplementing pump, a bioethanol fermentation tank and a microalgae photobioreactor, the material supplementing tank is communicated with the bioethanol fermentation tank through a first pipeline, and the material supplementing pump is arranged on the pipeline; the bioethanol fermentation tank is communicated with the microalgae photobioreactor through a second pipeline; a microalgae culture medium and a cold light source illumination assembly are arranged in the microalgae photobioreactor. The reactor provided by the invention can fix CO2 generated in the ethanol continuous fermentation process through microalgae, the microalgae growth and carbon fixation rate is high, and the reactor has a relatively good treatment effect on CO2 generated in the ethanol fermentation process.

Application of microalgae polysaccharide in improving intestinal immunity of dairy cow

NºPublicación:  CN119326069A 21/01/2025
Solicitante: 
NORTHEAST AGRICULTURAL UNIV
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CN_119326069_A

Resumen de: CN119326069A

The invention relates to application of microalgae polysaccharide in improving intestinal immunity of dairy cows, belongs to the technical field of feeds, and the microalgae polysaccharide prepared by the invention is used for improving the secretion volume of intestinal mucosa to lgA, lgG and lgM. Kelp buds, dunaliella salina and haematococcus pluvialis are compounded and mixed according to a specific proportion, trypsin and nattokinase are adopted for pre-enzymolysis within a certain period of time, then hemicellulase and pectinase are adopted for enzymolysis within a certain period of time, and the enzymolysis effect is good. The obtained microalgae polysaccharide product has an excellent effect of promoting the intestinal tract of the dairy cow to secrete immune globulin, the content of IgA, IgG and IgM in the intestinal tract of the dairy cow can be greatly increased, the immunity of the intestinal tract of the dairy cow is further improved, and the microalgae polysaccharide product can be used as a substitute component for efficiently improving the immune function of the intestinal tract of the dairy cow.

Award imparting system, award imparting device, computer-readable medium, and award imparting method

NºPublicación:  CN119338519A 21/01/2025
Solicitante: 
HONDA MOTOR CO LTD
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CN_119338519_PA

Resumen de: CN119338519A

The present invention addresses the problem of providing a reward imparting system, a reward imparting device, a computer-readable medium, and a reward imparting method, whereby it is possible to increase the number of people participating in the cultivation of algae. In order to solve the problem, a reward imparting system according to an embodiment of the present invention is provided with a cultivation device for cultivating microalgae, a measurement device for measuring a physical quantity indicating the degree of cultivation of the microalgae, and a reward imparting device. A reward assigning device is provided with a reward determining unit and an assigning unit. The reward determination unit uses the physical quantity to determine the number of rewards corresponding to the carbon dioxide absorption amount of the microalgae or the degree of cultivation. The assigning unit assigns the number of rewards to the owner of the cultivation device.

CAPILLARY SHAPE IMPROVER

NºPublicación:  JP2025008101A 20/01/2025
Solicitante: 
SOPROS INC
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JP_2025008101_A

Resumen de: JP2025008101A

To provide a food composition and a pharmaceutical composition suitable for use as a capillary shape improver that can effectively improve a capillary shape even when consumed at low dosages, while ensuring safety and stable supply.SOLUTION: The present invention provides a capillary shape improver for oral administration that comprises any one of microalgae containing n-6 docosapentaenoic acid (n-6DPA), a fatty acid composition containing n-6DPA, and n-6DPA.SELECTED DRAWING: None

Rapid cracking reactor for microalgae biomass

NºPublicación:  CN222362091U 17/01/2025
Solicitante: 
GUANGZHOU DAORONG TECH CO LTD
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CN_222362091_U

Resumen de: CN222362091U

The utility model discloses a microalgae biomass rapid cracking reactor, relates to the technical field of microalgae biomass cracking, and provides the following scheme that the microalgae biomass rapid cracking reactor comprises a bracket and a reaction mechanism arranged above the bracket, and the reaction mechanism comprises a blanking assembly and a mixing assembly; the discharging assembly comprises a discharging port, a discharging valve, a cavity, a bottom fixing ring, a first rotating shaft, a hydraulic rod, a rear telescopic frame, a second rotating shaft, a third rotating shaft, a movable ring and a top cover. The cavity is fixedly installed above the support. By arranging a hydraulic rod, the hydraulic rod can stretch out and draw back in the device in the using process, due to the fact that the bottom of the hydraulic rod is connected with a bottom fixing ring through a first rotating shaft, and the top of the hydraulic rod is connected with the uppermost rear telescopic frame through a third rotating shaft, the hydraulic rod can drive the rear telescopic frame at the top to move upwards; and during moving, a rear telescopic frame and a second rotating shaft can be driven to stretch out and draw back, the position of a movable ring in the device is adjusted, and the interior of the device is cleaned.

Device and method for preparing high-quality bio-oil by culturing microalgae with wastewater and pyrolyzing

NºPublicación:  CN119320646A 17/01/2025
Solicitante: 
SHENYANG AEROSPACE UNIV
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CN_119320646_PA

Resumen de: CN119320646A

The invention relates to the technical field of environmental protection and biomass energy, and particularly provides a device and a method for preparing high-quality bio-oil by culturing microalgae from wastewater and pyrolyzing the microalgae, the device comprises a microalgae incubator, a solid-liquid separation device, a water quality detection device, a drying device, a crushing device, a stirring device and a catalytic pyrolysis purification system, an outlet of the microalgae incubator is connected with an inlet of the solid-liquid separation device through a pipeline, a liquid outlet of the solid-liquid separation device is connected with the water quality detection device, a solid outlet of the solid-liquid separation device is connected with an inlet of the drying device, an outlet of the drying device is connected with an inlet of the crushing device, and an outlet of the crushing device is connected with an inlet of the stirring device. An outlet of the stirring equipment is connected with an inlet of the catalytic pyrolysis purification system. The invention aims to reduce the microalgae culture cost, improve the quality of bio-oil and realize resource utilization of wastewater.

METHOD FOR PRODUCING MICROALGAE CONCENTRATES WITH LOW VISCOSITY

NºPublicación:  AU2023363047A1 16/01/2025
Solicitante: 
CJ CHEILJEDANG CORP
CJ CHEILJEDANG CORPORATION
AU_2023363047_PA

Resumen de: AU2023363047A1

The present invention relates to a method for producing a microalgae concentrate with low viscosity, the method comprising a step of adjusting the pH of a microalgae fermentation broth and a heat treatment step, in which utility costs and investment costs can be reduced in a dehydration and drying step to secure price competitiveness for production and commercialization of dried microalgae products.

MIXTURE OF CYANOBACTERIA, CHITOSAN, AND PLANT EXTRACTS FOR WOUND HEALING AND ELIMINATING PATHOGEN BACTERIA

NºPublicación:  US2025017989A1 16/01/2025
Solicitante: 
KING FAISAL UNIV [SA]
KING FAISAL UNIVERSITY
US_12097228_B1

Resumen de: US2025017989A1

A combination of cyanobacteria, chitosan, and plant extracts for wound healing, eliminating pathogen bacteria, or promoting antioxidant activity is provided. The cyanobacteria my be a Spirulina platensis extract and the plant extract may be shilajit.

RED ALGAE BIOMASS EXTRACT, AND COSMETIC USE THEREOF FOR ELIMINATING SKIN IMPERFECTIONS

NºPublicación:  WO2025012135A1 16/01/2025
Solicitante: 
FERMENTALG [FR]
FERMENTALG
WO_2025012135_A1

Resumen de: WO2025012135A1

The present invention relates to a photosensitizing polar biomass extract extracted from phycocyanin-producing organisms, in particular unicellular red algae (URA) or cyanobacteria, and to the cosmetic use thereof for preventing and/or eliminating skin imperfections, i.e. for improving the look of the skin.

MIXTURE OF CYANOBACTERIA, CHITOSAN, AND PLANT EXTRACTS FOR WOUND HEALING AND ELIMINATING PATHOGEN BACTERIA

NºPublicación:  US2025017990A1 16/01/2025
Solicitante: 
KING FAISAL UNIV [SA]
KING FAISAL UNIVERSITY
US_12097228_B1

Resumen de: US2025017990A1

A combination of cyanobacteria, chitosan, and plant extracts for wound healing, eliminating pathogen bacteria, or promoting antioxidant activity is provided. The cyanobacteria my be a Spirulina platensis extract and the plant extract may be shilajit.

Enhanced utilisation of microalgae biomass

NºPublicación:  IS050564A 15/01/2025
Solicitante: 
MAREA EHF [IS]
Marea ehf
US_2025019524_PA

Resumen de: US2025019524A1

Methods for extracting from microalgae biomass valuable biomaterials, including polysaccharides, which can be used as coatings (biofilms) and other applications are described. The methods provide for partial separation of biomaterials into fractions enriched in different materials, which increases the utility and value of the original biomass, including a protein-enriched fraction, a polysaccharide-enriched fraction, and a lignin-rich fraction. By using the methods of the invention, a biomass source which is currently underutilized can be refined and processed into higher value products, leaving very little or no left-over residue material. The methods can advantageously be used for utilization and valuation of left-over biomass after astaxanthin extraction from microalgae.

Algae fermentation culture method

NºPublicación:  CN119307378A 14/01/2025
Solicitante: 
SHENZHEN UNIV
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CN_119307378_PA

Resumen de: CN119307378A

The invention provides an algae fermentation culture method, which relates to the technical field of bioengineering, and comprises the following steps: selecting microalgae seeds; constructing an index fed-batch model corresponding to the selected microalgae seeds; inoculating the microalgae seeds into a fermentation tank of a Basal culture medium; culturing according to the index fed-batch model under a dark condition; after culturing under a dark condition, adding plant hormones and a nitrogen source to continuously culture to obtain the microalgae. According to the algae fermentation culture method provided by the invention, the growth of microalgae and the accumulation of xanthophyll are facilitated through index fed-batch fermentation, and after the index fed-batch fermentation culture, IAA high-nitrogen combined treatment is matched, so that the xanthophyll yield and yield of the microalgae in a fermentation tank can be effectively improved.

Probiotic algae bacteria and method for culturing isochrysis galbana by using same

NºPublicación:  CN119307397A 14/01/2025
Solicitante: 
NINGBO UNIV
\u5B81\u6CE2\u5927\u5B66
CN_119307397_PA

Resumen de: CN119307397A

The invention provides a beneficial algae bacterium and a method for culturing isochrysis galbana by using the beneficial algae bacterium, the beneficial algae bacterium separated from an isochrysis galbana solution is added to effectively improve the breeding density of the isochrysis galbana and inhibit harmful vibrio at the same time, the specific algae strain is isochrysis galbana 3018 (Isochrysis galbana) NMB-Ig-3018, and the preservation number is CCTCC (China Center For Type Culture Collection) 20241471. One specific bacterial strain is pseudoalteromonas aureus NMB-Ig-Pf-0001, and the preservation number of the pseudoalteromonas aureus NMB-Ig-Pf-0001 is CCTCC (China Center For Type Culture Collection) CM20241074. The invention further discloses a preparation method of the pseudoalteromonas aureus NMB-Ig-Pf-0001. According to the method disclosed by the invention, the breeding density of the isochrysis galbana is far higher than that of the isochrysis galbana cultured by a conventional Ningda No.3 culture medium, more microalgae can be supplied under the same water body condition, and the method is very beneficial to microalgae quantity control and production management in the actual large-scale shellfish production process. In addition, the effect of inhibiting vibrios is achieved while the density of the algae is increased, and poison of the vibrios in aquaculture water is reduced.

Method for producing biodiesel by using organic solid waste anaerobic fermentation liquor and microalgae

NºPublicación:  CN119307562A 14/01/2025
Solicitante: 
HUNAN UNIV
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CN_119307562_PA

Resumen de: CN119307562A

The invention discloses a method for producing biodiesel by using organic solid waste anaerobic fermentation liquor and microalgae, which comprises the following steps: inoculating microalgae into a culture medium for culture, and collecting algae cells; and adding the organic solid waste anaerobic fermentation liquor into the residual culture medium, inoculating microalgae for culture, and collecting new algae cells. According to the method, the organic solid waste anaerobic fermentation liquid is directly added into the residual culture medium, so that a new microalgae culture system can be quickly formed, the production process can be simplified, continuous culture of microalgae can be realized, the accumulation amount of microalgae biomass and the yield of biodiesel can be increased, the use amount of water can be remarkably reduced, and the production cost can be reduced. And addition of a new carbon source is avoided, so that the production cost is reduced. The method has the advantages of being simple in process, convenient to operate, low in cost, high in microalgae biomass yield, high in biodiesel yield, good in biodiesel quality and the like, is suitable for large-scale production of the biodiesel, and facilitates industrial application of the biodiesel.

Microalgae culture method and optimization method and application thereof

NºPublicación:  CN119307376A 14/01/2025
Solicitante: 
QUZHOU ZHEJIANG UNIV OF TECHNOLOGY ECOLOGICAL INDUSTRIAL INNOVATION RESEARCH INSTITUTE
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CN_119307376_PA

Resumen de: CN119307376A

The invention discloses a method for culturing microalgae with swine wastewater and an optimization method and application thereof, and belongs to the field of microalgae culture, the culture method comprises the following steps: (1) diluting culture wastewater, and adding a carbon source and a phosphorus source, the addition amount of the carbon source being 0-5000 mg/L; the addition amount of the phosphorus source is 0-100 mg/L; then adjusting the pH value of the wastewater; (2) inoculating microalgae into the wastewater in the step (1), and culturing; the initial algae density of the microalgae is 0.05 to 1.0 OD660. By adding a specific carbon source and a phosphorus source, the problems of C/N and N/P imbalance and the like in the culture wastewater are solved, and the culture conditions of algae are optimized, so that the protein content in microalgae cells and the microalgae biomass are improved, and the cost of algae culture is reduced. According to the method, in the algae biomass harvesting process, pollutants such as ammonia nitrogen, phosphate and total organic carbon in the wastewater can be synchronously removed, and deep purification of the wastewater is achieved.

Algae/bacterium symbiotic hydrogel with core-shell structure and preparation method of algae/bacterium symbiotic hydrogel

NºPublicación:  CN119307484A 14/01/2025
Solicitante: 
SICHUAN UNIV
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CN_119307484_PA

Resumen de: CN119307484A

The invention discloses a core-shell structure algae/bacteria symbiotic hydrogel and a preparation method thereof, the core-shell structure algae/bacteria symbiotic hydrogel (algae is a core and bacteria are a shell) is prepared by using a 3D printing technology, the algae and the bacteria are separated from each other in space, and a customized latticed structure can effectively disperse light, so that microalgae in a bracket can receive the light, and the algae/bacteria symbiotic hydrogel is prepared. The problem of low hydrogen production efficiency caused by serious mutual shielding among cells, low light energy utilization rate, nutrient substance competition and the like is solved, the system almost eliminates the requirement on a liquid medium, and growth of microalgae and bacteria in the hydrogel can be supported only by forming a layer of solid culture medium at the bottom of the printed hydrogel; water resources are saved; and the space utilization rate is improved.

Crab and shellfish mixed culture method

NºPublicación:  CN119302249A 14/01/2025
Solicitante: 
NINGBO UNIV
NINGBO INST OF OCEANOGRAPHY
DONGYING HEXIE AQUATIC PRODUCT TECH CO LTD
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\u5B81\u6CE2\u6D77\u6D0B\u7814\u7A76\u9662,
\u4E1C\u8425\u548C\u87F9\u6C34\u4EA7\u79D1\u6280\u6709\u9650\u516C\u53F8
CN_119302249_A

Resumen de: CN119302249A

The crab and shellfish mixed culture method comprises the following steps: S1, water purification: selecting a pond, and adding a composite microalgae ecological preparation containing microalgae in the culture water to purify the water; s2, fingerling stocking: putting healthy crab fingerlings and shellfish fingerlings into the aquaculture water purified in the step S1, and feeding the crab fingerlings and the shellfish fingerlings with feed for aquaculture; s21, disease control: adding a mixture of copper sulfate and zinc sulfate into the culture water body during the culture period in the step S2; the method is characterized in that in the step S21, the content of copper sulfate in the copper sulfate and zinc sulfate mixture is 0.4-1 g/mL, the content of zinc sulfate is 0.8-2 g/mL, and the dosage of the copper sulfate and zinc sulfate mixture is 0.03-0.045 mL of the copper sulfate and zinc sulfate mixture is put into per cubic meter of the aquaculture water. Under the dosage, the concentration of the copper ions in the culture water body cannot generate an inhibition effect on the growth of the microalgae, and the synthesis of chlorophyll a in the microalgae can be remarkably promoted, so that the growth rate of the microalgae is improved.

Aquaculture Feed for Fresh-Water Eel Using Microalgae of Genus Schizochytrium and Methods for manufacture thereof

Nº publicación: KR20250007431A 14/01/2025

Solicitante:

씨제이제일제당주

KR_20250007431_PA

Resumen de: WO2025009883A1

The present invention relates to a feed composition for eels, the composition comprising Schizochytrium sp. microalgae-derived biomass, and a method for culturing eels using same. When the eel feed composition containing the Schizochytrium sp. microalgae-derived biomass is supplied to the eel, growth of the eel is promoted, and thus the biomass can be advantageously used as a feed composition or a feed additive for eels.

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