Resumen de: WO2020004924A1

The present invention relates to a novel strain of the Thraustochytrium genus, which contains a high content of polyunsaturated fatty acids and a biomass production method using same. Since the novel CJM01 microalgae of the Thraustochytrium genus according to the present application has a biomass with high contents of lipids and unsaturated fatty acids such as docosahexaenoic acid, the microalgae itself, or a biomass produced by the cultivation and fermentation thereof, a concentrate thereof, or a dry mass thereof is very useful as a composition for animal foods.

Resumen de: US2020002665A1

Methods for culturing microalgae in ammonia or ammonium toxicity conditions to induce the uptake of nitrogen, increase the metabolic rate, and increase the accumulation of protein, are disclosed. Embodiments include methods of controlling the internal microalgae cell ammonium concentration by manipulating the culture pH and residual ammonia or ammonium concentration.

Resumen de: WO2019244177A1

Method for growing algae, preferably microalgae, comprising a first step (11) in which the growth of a biomass of algae takes place, a second step (12), wherein the biomass of algae is concentrated, and a third step (13) in which in the concentrated biomass of algae the transformation and accumulation of molecules of economic interest take place.

Resumen de: WO2019244178A1

Plant (10) for growing algae, preferably microalgae, comprising a first processing unit (1 1) provided with culture means (14) configured to grow a biomass of algae, a second processing unit (12) configured to concentrate said biomass of algae, and a third processing unit (13) configured to cause, in the concentrated biomass of algae, under certain stress conditions, the transformation and accumulation of molecules of economic interest.

Resumen de: US2019382704A1

Provided is a continuous microalgae culture module, including an outdoor culture unit, a high-density culture unit, a pigment induced unit, and a harvesting unit. A method of culturing microalgae containing macular pigment is also provided, including sequentially culturing microalgae with medium in the outdoor culture unit and the high-density culture unit, producing macular pigment in the pigment induced unit through different light irradiation, and collecting the microalgal biomass containing macular pigment in the harvesting unit.

Resumen de: WO2019238914A1

The invention concerns a method for obtaining an aqueous extract of Dunaliella salina microalga, in which said microalga is cultivated in the absence of light in a culture medium comprising a yeast extract, sugar and salt according to the following steps: a) solubilising a yeast extract in water; b) adding glucose to the mixture obtained in a); c) adding Dead Sea salt; d) after total solubilisation of the salt in the mixture obtained in b), the culture medium thus obtained has a pH of between 5 and 8, and the Dunaliella salina alga is added thereto; e) moderately stirring the mixture obtained in d), in darkness and at room temperature, for a period of at least 12 hours, in order to allow the fermentation of the Dunaliella salina microalga; f) grinding and then filtering the fermented Dunaliella salina mixture obtained in e) in order to separate the soluble and insoluble materials; g) recovering a soluble aqueous raw extract to which Dead Sea salt is added; h) carrying out sterilising filtration with a porosity threshold of less than or equal to 0.2 μm; and i) obtaining a fermented aqueous extract of Dunaliella salina in which the pH is between 3.5 and 4.5. The invention also concerns an aqueous extract of Dunaliella salina likely to be obtained by the method according to the invention, a composition comprising such an extract according to the invention, and the cosmetic use of a composition according to the invention for skincare, scalp care and skin appendage care.

Resumen de: KR20190139787A

본 발명은 미세조류로부터 목적하는 분자량 범위의 고분자 다당류를 선택적으로 수득하기 위한 방법에 관한 것이다. 본 발명에서는 목적하는 분자량 범위의 고분자 다당류를 선택적으로 생산하기위한 배양조건으로서 광파장, 플라스크 내에서 고분자 다당류의 추출 위치 및 추출용매에서 에탄올의 부피비와 염화나트륨의 농도를 제시한다. 본 발명에서 생산한 고분자 다당류를 분자량에 따라 다른 목적으로 활용될 수 있다.

Resumen de: US2019373915A1

Embodiments of the present disclosure pertain to compositions that include: (1) a microalgal co-product; and (2) microalgae whole cells. In some embodiments, the microalgal co-product is derived from Nannochloropsis sp., and the microalgae whole cells include Schizochytrium sp. In some embodiments, the compositions of the present disclosure are completely free of fish oil and fishmeal. Additional embodiments of the present disclosure pertain to methods of cultivating aquatic species by applying the compositions of the present disclosure to a water source that contains the aquatic species. The methods of the present disclosure may be utilized to cultivate numerous aquatic species (e.g., freshwater tilapia) and improve various metabolic parameters in the aquatic species.

Resumen de: KR20190136190A

본 발명은 한국 서해에서 분리한 새로운 단세포성 미세녹조류를 발굴하여, 분리주의 생화학적, 분자적 및 형태학적 특성에 대한 분석을 한 결과 로보스페라인시사() K-1으로 분류되었고, 지질에 있는 아라키돈산(C20:4ω6) 조성이 상대적으로 매우 높은 것을 확인하였다. 또한 알파-리놀레닉산(C18:3ω3)과 에이코사펜타엔산(C20:5ω3)을 포함하는 오메가-3 계열의 지방산 비율이 높았으며, 이는 생물공학 응용에 대한 신규성과 고부가가치 물질로 분류되는 오메가-3 또는 오메가-6 다중불포화지방산(PUFAs)의 생산에 매우 유용할 것임을 확인하였다.

Resumen de: WO2019228900A1

A method of providing a source of protein for food production.The method comprises the steps of: (a) providing one or more species of microalgae and/or cyanobacteria; (b) providing the microalgae and/or cyanobacteria with light and carbon dioxide; (c) contacting the microalgae and/or cyanobacteria directly as obtained in step (b) with one or more species of zooplankton which feed thereon; and (d) collecting a portion of the zooplankton; wherein waste from the zooplankton is contacted with bacteria and fed back to the microalgae and/or cyanobacteria. The method may be particularly useful for the provision of a protein source for use in aquaculture. It can also be used to provide food for humans, livestock and pets. An apparatus for providing a source of protein for food production and a use of such a method or apparatus to capture carbon dioxide is also described.

Resumen de: US2019352509A1

The present disclosure is in the field of ‘pharmacognosy’ and ‘chemistry of natural products’. The present disclosure generally relates to a process of isolation and purification of Biochemical Constituents from algae. The present disclosure particularly relates to a process of isolation and purification of Biochemical Constituents from a biomass of cyanobacteria. The present disclosure provides a process for isolating and extracting phycocyanins, chlorophylls, proteins and polysaccharides from the spirulina biomass.

Resumen de: WO2019220218A1

The present disclosure is in the field of 'pharmacognosy' and 'chemistry of natural products'. The present disclosure generally relates to a process of isolation and purification of Biochemical Constituents from algae. The present disclosure particularly relates to a process of isolation and purification of Biochemical Constituents from a biomass of cyanobacteria. The present disclosure provides a process for isolating and extracting phycocyanins, chlorophylls, proteins and polysaccharides from the spirulina biomass.

Resumen de: WO2019215246A1

The invention relates to a method for obtaining a culture supernatant form microalgae, particularly wherein the culture supernatant is IMAC-enriched microalga culture supernatant and to an IMAC-enriched microalga culture supernatant obtained by the method of the invention. The invention also relates to a combination comprising a microalgal culture supernatant of the invention and a growth factor and to a cell culture media. The invention also relates to cosmetic composition and pharmaceutical composition and uses thereof.

Resumen de: WO2019214484A1

Provided in the present invention is a closed slope runway pool system for use in the large-scale cultivation and harvesting of microalgae, related to the field of large-scale cultivation of microalgae. The system mainly comprises a cultivating subsystem used for microalgae cultivation, an algae liquid regulating subsystem, and a microalgae harvesting subsystem. By providing a runway pool of a predetermined gradient in the cultivating subsystem used for microalgae cultivation, an algae liquid flows along the runway pool under the effect of gravity, thus greatly reducing the energy consumption for driving the flow of the algae liquid; by coupling the runway pool with a closed photobioreactor, implemented are the goals of inexpensive manufacturing costs, simple and convenient operations, easily controllable cultivation conditions, and reduced environmental pollution; and by utilizing a filter membrane to implement the real-time harvesting of microalgae, harvesting costs are greatly reduced.

Resumen de: US2019345523A1

A process of producing an organic compound and/or an intermediary compound by feeding carbon dioxide to a culture of Cyanobacteria cells and subjecting the culture to light, wherein the cells are capable of expressing a nucleic acid molecule that confers the ability to convert a glycolytic intermediate into said organic/intermediary compound. The expression of the nucleic acid molecule is under the control of a regulatory system which responds to a change in the concentration of a nutrient in the culture.

Resumen de: US2019343140A1

The invention provides for methods and foods with reduced or no chelating agents. The present invention also relates to methods for using high stability oils including high-stability high-oleic oils produced using genetically engineered microalgae. The oils can be used in multiple food-related applications including frying, spray-coating, and lubrication of equipment. The oils can also be blended with vegetable oils or interesterified with vegetable oils.

Resumen de: WO2017137668A1

The invention relates to a method for the protein enrichment of a microalga cultivated under heterotrophic conditions, of the genus Chlorella, and more particularly Chlorella protothecoides, characterised in that it comprises: - a first step intended to limit the supply of ammonium in such a way as to obtain a microalgal biomass having a protein content of less than 50 % expressed in N. 6.25, preferably of less than 30 %, and more preferably of between 20 and 25 %; - a second step in which the supply of ammonium in the fermentation medium is increased in such a way as to obtain a protein content of greater than 0 %, preferably of greater than 60 %, and more preferably of greater than 65 %.

Resumen de: WO2019211851A1

A device for storing live algae is disclosed. The device may include: a closed container, at least partially transparent to light, the container is configured to hold live algae aquaculture at a predetermined temperature; at least one light source for providing light to the closed container; a CO2 source for providing CO2 to the closed container; an air circulation system for circulating air inside the closed container; and a controller for controlling the at least one light source to illuminate an internal space of the closed container in an amount sufficient to keep the algae aquaculture alive but inhibits reproduction of the algae for at least 4 weeks.

Resumen de: WO2019211442A1

The present invention relates to the use of microalgae as a source of fucoidan.

Resumen de: CN209568099U

The utility model discloses a microalgae circulating culture device. Incubator, filter screen is arranged in incubator, a first discharge pipe is arranged on the left side of the filter screen; filtermembrane is arranged below the filter screen, a second discharge pipe is arranged on the left side of the filter membrane; a small water pump is arranged on the bottom wall in the incubator; the water pump is connected with a first water pipe; control valves are arranged on the first discharge pipe, the second discharge pipe and the liquid discharge pipe; a placing plate is arranged above the right side wall of the incubator; a servo motor is arranged on the placement plate, a lead screw is connected to the servo motor, the other end of the lead screw is arranged in the incubator, a sliding sleeve is screwed to the lead screw, an LED lamp is arranged at the bottom of the sliding sleeve, a limiting groove is formed in the upper portion of the front end face of the incubator, a limiting rodis connected to the sliding sleeve, and a storage battery, a first switch and a second switch are arranged at the bottom; the microalgae cultivation device is novel in structure, the LED lamp can move back and forth, the photosynthesis effect of microalgae is better, meanwhile, a culture solution can be circulated, and nutrient substances in the culture solution can be distributed more evenly.

Resumen de: CN110395848A

The invention provides a method for treating a black and odorous water body based on a microalgae biotechnology, and belongs to the technical field of water pollution treatment. The method comprises the following steps: 1) adding bleaching powder into the black and odorous water body to disinfect the black and odorous water body; 2) aerating the disinfected water body, inoculating microalgae species, adding phosphorus-containing nutritive salt and iron-containing nutritive salt after 2-4 days, and treating the water body, wherein the inoculation amount of the microalgae species is 1*10<5> - 6*10<5> cells/mL. According to the method, pollutants in the pond can be effectively removed. Results of the embodiment show that when the inoculation amount of scenedesmus obliquus is 5*10<5> cells/mL,the removal rate of ammonia nitrogen after aeration treatment for 4 days reaches 91%, and effective deodorization can be achieved.

Resumen de: CN110396469A

The invention discloses a device for preparing biodiesel by fixing flue gas CO2 with microalgae. The device comprises a microalgae culture tank, a drying tank, a grinding tank and a centrifuge; the microalgae culture tank is cylindrical; a motor, a feed pipe and a discharge pipe are installed at the upper end of the microalgae culture tank, and a gas delivery pipe is installed at the lower end ofthe microalgae culture tank; a ventilating stirring paddle is arranged at the bottom of the microalgae culture tank; an air inlet is formed in the bottom of the ventilating stirring paddle, the air inlet is connected with the gas delivery pipe; a plurality of air holes and a plurality of stirring blades are arranged on the ventilating stirring paddle; a shaft part of the ventilating stirring paddle protrudes upwards and is fixedly connected with a transmission shaft; the transmission shaft extends upwards and is fixedly connected with an output shaft of the motor; and a discharging pipe is connected with the drying tank, a pump is installed on the pipe body of the discharge pipe, and a nozzle is installed at the end of the discharge pipe. According to the device, the project of productionof the biodiesel by the microalgae can be applied to industrial production, the constraints of the laboratory stage is got rid of, the structure is simple, the use is convenient, a large number of various instruments do not need to be prepared, and the production cost is reduced.

Resumen de: CN110396470A

The invention discloses equipment and a method of microalgae to fix smoke CO2 to transform biomass. The equipment comprises a box body, a movable box door, a locking mechanism and an equipment body; the inner wall of the box body is provided with a first LED lamp; the movable box door is connected with a fixing platform used for being provided with the equipment body; the equipment body comprisesa cultivation room, an isolation room, a mixing room and a transformation room; an interval cabin is formed between the cultivation room and the transformation rood, and is internally provided with asecond LED lamp; and at the same time, the cultivation room and the transformation room are correspondingly and internally provided with aerators. The method for preparing biodiesel comprises the steps that high temperature resistance microalgae bacterial strains are obtained by mutation breading, and after small-scale cultivation, mass cultivation is conducted in the cultivation room; and by controlling cultivation conditions of the transformation room, the microalgae is promoted to synthesized more biolipid in the transformation room, the biolipid is extracted, through pre-esterification andesterification reactions, and the biodiesel is purified in a rectification mode. According to the equipment and method, production of the biolipid synthesized by the microalgae is improved, and development of preparation of the biodiesel by the microalgae is promoted.

Resumen de: MD20180031A2

The invention relates to alternative energy sources, in particular to biogas plants, and can be used in various fields of agriculture and the processing industry for producing biogas.The plant, according to the invention, comprises a reservoir-reactor (1) with a spiral stirrer with a rod, feed and outlet branch pipes for the processed biomass, a gas exhaust pipe, connected to a gasholder (12). The reservoir-reactor (1), with a conical base with an opening, is placed inside an external conical silo reactor (2), equipped with openings (4, 7) for biomass loading. In the reservoir-reactor (1), on a shaft, is installed a spiral auger (3) with a defoamant (6), coupled with a motor-reducer (19), and on the side face of the plant is placed a water seal (9). The liquid is discharged from the upper part of the reservoir-reactor (1), enriched with CO2, soluble therein, and directed to a granular floating filter (17), and then to a microalgae cultivation pool (18).