Resumen de: US2022010260A1

A device of measuring an amount of lipid accumulation in microalgae includes a flow cell through which a fluid containing the microalgae is supplied to flow, an excitation light source irradiating the flow cell with excitation light, a fluorescence detector detecting autofluorescence generated from a chloroplast of each of the microalgae that have been irradiated with the excitation light, a scattered light detector detecting scattered light caused by each of the microalgae that have been irradiated with the excitation light, and an arithmetic unit calculating a size of the microalga from intensity of the scattered light, calculating a fluorescence density corresponding to intensity of the autofluorescence generated from the chloroplast per unit size of the microalga based on both the intensity of the autofluorescence generated from the chloroplast and the size of the microalga, and calculating an amount of lipid accumulation per microalga from the fluorescence density.

Resumen de: US2022010249A1

The invention relates to a device (10) for producing microalgae, comprising a basin (12) containing an aqueous medium and a movable support (14) capable of receiving a cell culture made up of algae cells, which movable support is immersed at least partially in the aqueous medium and has at least a first portion and a second portion, characterised in that the movable support is arranged in the basin such that the first portion is exposed directly to a main light source (18) and forms an exposure section (24), and the second portion is not exposed directly to the main light source (18) and forms an inhibition section (26), the device (10) further comprising a secondary light source (28) designed to emit actinic light in the direction of the inhibition section (26) so as to inhibit the pigment synthesis of at least some of the algae cells. The invention also concerns a method for producing microalagae.

Resumen de: WO2020174351A1

A modular kit for integration and installation of one or more bioreactors for microalgae cultivation is described, said kit comprising: - at least one bioreactor for microalgae cultivation, in the form of a vertically arranged transparent tubular column (i); - a supporting structure (2) adapted to integrate and support the base of said at least one bioreactor (1), and also adapted to internally house a first connection (3) to a system for loading and unloading a cultivation vector fluid into/from said at least one bioreactor, and a second connection (4) to a system for supplying C02-supplemented air into said at least one bioreactor; - multiple modules (5) forming respective frames with internal empty spaces (13) and adapted to be connected to one another to house, in said empty spaces, said at least one bioreactor (1); said multiple modules being also so shaped as to convey filtered light into said at least one bioreactor (1).

Resumen de: WO2021259752A1

1. A method for cultivating microalgae, the method comprising the steps of: (a) providing a photoreactor; (b) introducing a mixture of microalgae into the photoreactor; (c) introducing a culture medium into the photoreactor; (d) growing the microalgae in the culture medium in the photoreactor; (e) separating the microalgae into a floating layer and a non-floating layer within the culture medium; (f) optionally harvesting a portion of the microalgae in the floating layer; and (g) discharging at least a portion of the non-floating layer from the photoreactor.

Resumen de: US2021403392A1

Some embodiments include a microalgae culturing system including a bioreactor adapted to propagate microalgae in a culture solution using in combination at least one of natural and artificial light, and at least one nutrient including at least a carbon source, where the microalgae are freely suspended in and form part of the culture solution. A microalgae feed source is coupled to the bioreactor and a first controller between a water conditioning assembly and the bioreactor. The water conditioning assembly is coupled as an input of supply water to the bioreactor, and configured to condition the supply water to a specified purity that enables substantially unhindered growth of the microalgae in the culture solution to a specified concentration, and the first controller is configured to control supply of the microalgae feed source to the bioreactor.

Resumen de: WO2021259752A1

1. A method for cultivating microalgae, the method comprising the steps of: (a) providing a photoreactor; (b) introducing a mixture of microalgae into the photoreactor; (c) introducing a culture medium into the photoreactor; (d) growing the microalgae in the culture medium in the photoreactor; (e) separating the microalgae into a floating layer and a non-floating layer within the culture medium; (f) optionally harvesting a portion of the microalgae in the floating layer; and (g) discharging at least a portion of the non-floating layer from the photoreactor.

Resumen de: US2021395702A1

The present invention relates to transgenic microalgae for the production of cell wall degradative enzymes having a heat-stable cellulolytic activity (HCWDEs) and their relative uses in the biodegradation of cellulose or lignocellulose sources in the industrial field.

Resumen de: CA3084750A1

Disclosed are techniques and systems for producing microbials having anaplerotic oils that are rich in odd-chain fatty acids, and other beneficial components, at higher concentrations than those present in other natural dietary sources of OCFA, at lower cost, and higher production yield. Such compositions can comprise pentadecanoic and heptadecanoic fatty acids. The techniques described herein include methods for producing and deriving such compositions rich in odd-chain fatty acids from microbials, including microalgae and yeasts/fungi.

Resumen de: WO2020168203A2

Some embodiments include a microalgae culturing system including a bioreactor adapted to propagate microalgae in a culture solution using in combination at least one of natural and artificial light, and at least one nutrient including at least a carbon source, where the microalgae are freely suspended in and form part of the culture solution. A microalgae feed source is coupled to the bioreactor and a first controller between a water conditioning assembly and the bioreactor. The water conditioning assembly is coupled as an input of supply water to the bioreactor, and configured to condition the supply water to a specified purity that enables substantially unhindered growth of the microalgae in the culture solution to a specified concentration, and the first controller is configured to control supply of the microalgae feed source to the bioreactor.

Resumen de: AU2020280106A1

An algae-based thermoplastic foam is provided having a protein-rich algae biomass selected from either microalgae, macroalgae or combinations thereof. The protein content is greater than or equal to 15% by weight of the algae biomass and the algae biomass is dried to a moister content of less than or equal to 15% by weight having an average particle size of up to 200 microns. The composition includes a resin configured to exhibit rheological properties suitable for blending with algae including a melting temperature less than 250°C and a melt flow rate in excess of 0.01 g/10 min. The foam includes a foaming ingredient selected from the group consisting of crosslinkers, compatibilizers, plasticizers, accelerants, catalysts, blowing agents, other ingredients, and combinations thereof.

Resumen de: US2021380452A1

Disclosed is a method for the treatment and resource utilization of acidic organic wastewater, comprising: (1) performing activated sludge treatment on acidic organic wastewater; and (2) performing microalgae treatment on the acidic organic wastewater treated in step (1). By means of the combination of activated sludge treatment and microalgae treatment, the present invention can significantly reduce the COD of the acidic organic wastewater. In some embodiments, the use of acclimated activated sludge or activated sludge having a specific microbial flora structure can not only improve the treatment efficiency while shortening the treatment time, but also omit a pH value adjustment step without causing sludge accumulation.

Resumen de: EP3919606A1

TECHNICAL FIELDTHE INVENTION PERTAINS TO HIGH YIELD CULTIVATION OF MICROALGAE BIOMASS IN OUTDOOR RACEWAYS THROUGH CAREFUL CONTROL OF ALL GROWTH PARAMETERS AND THE ADJUSTMENT OF THE ALGAE INTERNAL COMPOSITION IN ORDER TO OBTAIN A SUPERIOR VOLUME OF METHANE PER UNIT OF BIOMASS THROUGH ANAEROBIC DIGESTION.A SELECTED SPECIES OF MICROALGAE IS SEEDED IN COVERED RACEWAYS AND GROWN UNDER STRICTLY CONTROLLED CONDITIONS OF NUTRIENT AND MICRONUTRIENT ADDITION, CO2 ADDITION, ARTIFICIAL LIGHT OF SPECIFIC SPECTRUM FOR THE ALGAL SPECIES AND THE APPLICATION OF A PULSED MAGNETIC FIELD. THE RACEWAY SOLUTION IS CONSTANTLY AGITATED TO ENSURE SUNLIGHT REACHES ALL OF THE MICROALGAE IN THE RACEWAY. THE OBJECTIVE OF CONTROLLING ALL GROWTH PARAMETERS IS TO MAXIMIZE THE CREATION OF BIOMASS BY PROVIDING, IN A TIMELY FASHION, THE ELEMENTS NEEDED BY THE MICROALGAE AS IDENTIFIED IN LABORATORY STUDIES.THE PULSED MAGNETIC FIELD IMPROVES THE GROWTH RATE OF THE ALGAE WHILE MAINTAINING A GOOD CELL DENSITY ( STIMULATION OF GROWTH AND METABOLIC CASCADES) BY CONTROLLING BIOCHEMICAL PATHWAYS. IN ADDITION THE PHOTOTROPIC CELLULAR COMMUNICATION IS ENHANCED LEADING TO A HIGHER CONTENT OF LIGHT HARVESTING PRIMARY AND ACCESSORY PIGMENTS. THIS RESULTS IN AN IMPORTANT INCREASE IN LIPID CONTENT OF THE ALGAE BIOMASS WHICH IN TURN YIELDS A HIGHER PRODUCTION OF METHANE COMPARED TO THE CARBOHYDRATE AND PROTEIN CONTENTS IN THE BIOMASS.THE PROCESS RECYCLES THE MAXIMUM QUANTITY OF WATER POSSIBLE AS WELL AS CAPTURING ALL THE CO2

Resumen de: WO2021240426A1

Disclosed are modified strains of Chlorella microalgae species, the modified strains having a reduced chitin content. Also disclosed is a method for producing them. The method involves performing mutagenesis of a parent strain of the microalgae. Furthermore, disclosed is a composition comprising algae biomass derived from the modified strains and their use in food and/or cosmetics amongst other applications. Advantages of the low chitin content include aiding digestibility and nutrient availability of the whole-cell ingredient without further downstream processing.

Resumen de: US2021371888A1

A continuous process for the synthesis of biodiesel from microalgae oil by transesterification with supercritical methanol, where the synthesis of biodiesel is carried out in a single transesterification step in a reactor that operates continuously, said process being ideal to be carried out at industrial scale since it can provide a continuous flow of biodiesel.

Resumen de: US2021369794A1

A probiotic formulation is provided including one or more bacteria, bacterial strains or bacterial species of the genus Veillonella, genus Faecalibacterium, genus Phascolarctobacteria, genus Oscillospira, genus Ruminococcus, genus Bacteroides, genus Blautia, family Christensenellaceae, genus Dialister, or phylum cyanobacteria.

Resumen de: WO2021234316A1

The present invention relates to a method for obtaining a substitute for spreadable food products based on fish and/or crustaceans, which is greatly reduced in fat and which comprises a succession of steps including the addition of extracts of macroalgae and of microalgae oil. The invention also relates to said substitute for spreadable food products based on fish and/or crustaceans.

Resumen de: WO2021234293A1

The present invention relates to a microalgae-based egg substitute for, according to an embodiment, reducing the fat and sugar content of a food product incorporating same. The invention also relates to the method for obtaining the microalgae-based egg substitute, comprising steps of adding various compounds including a microalgae product. Finally, the invention also relates to the use of the egg substitute in a food product, a method for incorporating the egg substitute into the preparation of a food product, and the food product comprising the egg substitute.

Resumen de: KR20210139101A

본 발명은 미세조류 배양장치에 관한 것으로, 일측면에 광이 조사되며 내부에 미세조류를 포함하는 적어도 하나의 배양부(100); 상기 적어도 하나의 배양부 하단에 배치되어 회전함으로써 상기 적어도 하나의 배양부를 회전시키는 회전부(200); 및 상기 적어도 하나의 배양부의 일측면에 연결되어 적어도 하나의 배양부의 내부에 공기를 주입하는 공기주입부(300);를 포함함으로써 배양과정 중 미세조류를 균일하게 교반하고, 공기와 광을 지속적 및 균질적으로 공급하여 미세조류의 유용물질 축적 효율을 향상시키는 것이 가능하다.

Resumen de: US2021352934A1

Methods for making a plant-based food product from a microalgae are described. An example method includes obtaining a microalgae, extracting chlorella protein from the microalgae, modifying a factor associated with the chlorella protein and/or adding a stimulant to the chlorella protein to change an amino acid combination of the chlorella protein, and utilizing the modified chlorella protein as a protein flour to create the plant-based food product.

Resumen de: US2021352917A1

The present invention discloses biomass compositions for improving shelf life, increasing fruit water retention, and/or decreasing needle-drop in conifer species and methods for making the same. The composition comprises pasteurized microalgae selected from Chlorella, Aurantiochytrium, Scenedesmus, or any combination thereof.

Resumen de: US2021355419A1

A bioreactor system for cultivating microalgae is described. The bioreactor system includes a bioreactor. The bioreactor includes one or more holes. One or more light sources are implanted into each of the one or more holes. A culture media comprising a carbon source is located inside of the bioreactor. A microalgae comprising a photoreceptor sensitive to a region of a visible spectrum is located in the culture media. Each of the one or more light sources produce an irradiance of light including the region of the visible spectrum in a sufficient intensity to transduce the photoreceptor of the microalgae.

Resumen de: WO2021229298A1

Methods for making a plant-based food product from a microalgae are described. An example method includes obtaining a microalgae, extracting chlorella protein from the microalgae, modifying a factor associated with the chlorella protein and/or adding a stimulant to the chlorella protein to change an amino acid combination of the chlorella protein, and utilizing the modified chlorella protein as a protein flour to create the plant-based food product.

Resumen de: WO2021231471A1

Systems and methods for cultivating or accumulating climate-focused marine target products are described herein. The target product may be microalgae, macroalgae, plankton, marine bacteria or archaea, filter feeders (such as oysters or clams), or crustaceans either for the purpose of bioremediation, eventual cultivation or for sequestering carbon dioxide; or the target product may be direct chemical or biological accumulation of carbon or carbon containing organisms. The system is primarily a floating apparatus designed to hold the target product in a region of the water column and in a spatial region of the water where it will best accumulate target product mass. In some embodiments the system is designed to achieve eventual passive sinking (transformation from a floating to sinking apparatus) into the deep ocean. In some embodiments, the system is equipped with purpose-chosen sensors to instrument and quantify the various biological and mechanical processes occurring onboard.

Resumen de: WO2021229296A1

A bioreactor system for cultivating microalgae is described. The bioreactor system includes a bioreactor. The bioreactor includes one or more holes. One or more light sources are implanted into each of the one or more holes. A culture media comprising a carbon source is located inside of the bioreactor. A microalgae comprising a photoreceptor sensitive to a region of a visible spectrum is located in the culture media. Each of the one or more light sources produce an irradiance of light including the region of the visible spectrum in a sufficient intensity to transduce the photoreceptor of the microalgae.

Resumen de: US2021355512A1

A method comprising a series of selective extraction techniques for the parallel production of biodiesel and isolation of several valuable co-products including an alkenone hydrocarbon mixture of the kerosene/jet fuel range (primarily C10-, C12-, and C17-hydrocarbons) and fucoxanthin, a high-valued carotenoid, from the marine alkenone-producing microalgae Isochrysis.