Alerta

NOVEL COSMETIC USES OF AN OILY EXTRACT OF THE MICROALGA PORPHYRIDIUM CRUENTUM

Resumen de: WO2026120119A1

The present invention relates to the cosmetic use of a crude oily extract of the microalga Porphyridium cruentum or of an oily ingredient comprising same, for preventing the appearance and/or reducing the visibility of wrinkles and/or fine lines, in particular expression lines, and/or for smoothing the skin, and/or for improving sleep quality and/or reducing stress. The invention also relates to a cosmetic composition comprising the oily ingredient, and to a cosmetic care method comprising the topical application of the oily ingredient or the cosmetic composition comprising same.

EUKARYOTIC ALGAE COMPOSITIONS AND METHODS THEREOF

Resumen de: US20260159554A1

The present disclosure provides recombinant polynucleotide comprising a heterologous regulatory element operably linked to a first nucleic acid sequence encoding a cyanobacterial bicarbonate transporter protein. The disclosure also provides expression vectors comprising the recombinant polynucleotides as well as eukaryotic algae and methods of utilizing the eukaryotic algae for improved carbon removal and biomass production.

BIOSTIMULANTS AND ENHANCEMENT THEREOF IN SPIRULINA

Resumen de: EP4755865A1

0001 Biostimulant compositions and methods for enhancing soil organic carbon are provided. A mixture of bioavailable B12 and amino acids phenylalanine (Phe) and lysine (Lys) - was found to enhance soil organic carbon and crop growth due to synergistic effects between the bioavailable B12 and the PheLys. The bioavailable B12 and the PheLys may be derived from various sources, including, e.g., cyanobacteria (e.g., spirulina - Arthrospira platensis) or green algae (e.g., Nannochloropsis spp.) cultivated under photosynthetically controlled conditions to yield upregulated bioactive compounds such as bioavailable B12 and amino acids. One or more sources may be used to provide the bioavailable B12, Phe and Lys, and algal cultivation may be integrated with additional industries to yield synergistic biostimulation effects.

Composition for culturing microalgae containing rubidium chloride and method for producing carotenoids using the same

Resumen de: KR20260083143A

본 발명은 루비듐 클로라이드를 포함하는 미세조류 배양용 조성물 및 이를 이용한 카로티노이드 생산 방법에 관한 것이다. 구체적으로, 본 발명의 조성물 및 생산 방법을 활용하는 경우 루비듐 클로라이드(RbCl)를 저농도로 처리하였을 때 미세조류의 성장에는 영향을 미치지 않으면서도 카로티노이드의 생산량을 유의미하게 증가시킬 수 있으므로, 본 발명은 낮은 농도에서도 효율적인 색소 생산할 수 있는 신규한 미세조류 배양 기술을 제공한다.

CENTRIFUGAL-TYPE AUTOMATIC MICROALGAE HARVESTING DEVICE

Resumen de: WO2026117091A1

A disclosed centrifugal-type automatic microalgae harvesting device comprises: a centrifugal separation chamber for temporarily storing a culture medium in which microalgae supplied from a main incubator or sub-incubators are cultured; a harvesting motor for providing, into the centrifugal separation chamber, a centrifugal force that allows high-speed rotation required for harvesting the microalgae; and a harvesting drum which is provided inside the centrifugal separation chamber so as to receive, therein, the culture medium in which the microalgae are cultured, and which receives the centrifugal force from the harvesting motor so as to separate the microalgae from the culture medium such that the microalgae are collected and harvested.

CONTINUOUS EXPANSION-TYPE MICROALGAE CULTIVATION APPARATUS

Resumen de: WO2026117033A1

The disclosed continuous expansion-type microalgae cultivation apparatus comprises: a main cultivator for receiving water from the outside through a first pipeline, adding nutrients to the water to form a medium, and inoculating the medium with microalgae to cultivate the microalgae; a sub-cultivator for receiving, from the main cultivator, the medium inoculated with the microalgae and allowing expansion of cultivation of the microalgae; and a harvester for selectively receiving, from the main cultivator and the sub-cultivator, the medium in which cultivation of the microalgae is completed, to separate the microalgae from a filtrate, thereby harvesting the microalgae.

SYSTEM FOR PRODUCING MICROALGAE ON AN INDUSTRIAL AND COMMERCIAL SCALE

Resumen de: WO2025021864A2

The present invention relates to a system for producing microalgae on an industrial and commercial scale including a plurality of leak-tight productive units containing the microalgae culture and nutrients, a pressurized air driving element, a pneumatic circuit which introduces air in the mentioned units, and a hydraulic drive circuit and a hydraulic return circuit which allow circulation between the units with a central manifold, such that the distribution of ducts forming said circuits enables a homogeneity of the content of the leak-tight productive units to assure the production of microalgae on an industrial scale.

EXTRACT FROM ALGA AGAINST PLANT PATHOGENIC BACTERIA

Resumen de: HUP2400501A1

The subject of the invention is a unicellular microalgal culture for use against fire blight or tomato, tobacco, pepper and potato rot. The invention also relates to the use of an organic solvent extract of the algal culture containing PUFA fatty acids.

NOVEL USE OF AN EXTRACT OF THE MICROALGA PHAEODACTYLUM TRICORNUTUM

Resumen de: WO2025017264A1

The invention relates to a Phaeodactylum tricornutum extract or to a composition comprising same for facilitating the resumption of a physical activity, advantageously a sports activity, and/or reducing cardiovascular risks and/or risks related to fragile bones and/or joints when resuming a physical activity, advantageously a sports activity.

Microalgae capable of adsorbing bornyl acetate chitosan nanoparticles as well as preparation method and application of microalgae

Resumen de: CN122070937A

The invention relates to the technical field of biological medicine, in particular to microalgae adsorbing bornyl acetate chitosan nanoparticles and a preparation method and application thereof. The microalgae capable of adsorbing the bornyl acetate chitosan nanoparticles disclosed by the invention comprises the following components: bornyl acetate, chitosan and spirulina platensis, the bornyl acetate is wrapped in the chitosan, and the bornyl acetate and the chitosan jointly form composite nanoparticles; the composite nanoparticles are adsorbed on the surface of the spirulina platensis through electrostatic interaction. Compared with single bornyl acetate, the microalgae adsorbing the bornyl acetate chitosan nanoparticles has a better anti-inflammatory effect and an intestinal retention effect.

KGP1-12 Novel Chlorella sp. KGP1-12 microalgae that produces high levels of polyhydroxyalkanoate and method for inducible production of polyhydroxyalkanoate using thereof

Resumen de: KR20260071903A

본 발명은 폴리-3-하이드록시부티레이트(Poly-3-hydroxybutyrate, PHB) 및 이를 단량체로 하는 폴리하이드록시알칸산(Polyhydroxyalkanoate, PHA) 생산에 이용되는 신규 클로렐라 속 KGP1-12 미세조류에 관한 것으로, 보다 상세하게는 신규 클로렐라(Chlorella sp.) KGP1-12 미세조류; 상기 미세조류를 포함하는 폴리-3-하이드록시부티레이트 및/또는 폴리하이드록시알칸산 생산용 조성물; 상기 미세조류를 배양하여 폴리-3-하이드록시부티레이트 및/또는 폴리하이드록시알칸산을 생산하는 방법을 제공한다.

Device for continuously culturing fresh water microalgae indoors at constant temperature

Resumen de: CN224258605U

The utility model provides a device for continuously culturing fresh water microalgae indoors at constant temperature. According to the device, a cross beam and a hanging frame are installed at the top of each main frame, breeding bags are correspondingly hung on the two sides of each hanging frame, a pH value detector and an air inlet pipe are arranged in each breeding bag, a monitoring alarm box is installed on the main frame at the end, and an upper light bar and a lower light bar are installed on the two sides of each main frame and correspond to each breeding bag. Sewage discharge grooves are formed in the ground at the two outer ends of the main frame, the bottom of each culture bag is communicated with a liquid conveying mechanism, and an algae liquid conveying mechanism is arranged on the ground at the inner end of the main frame. The buffer tank is provided with a non-contact liquid level monitor, a material pipe, a material pipe electromagnetic valve and a buffer tank electromagnetic valve; and the main conveying pipe is provided with a segmented electromagnetic valve, a connecting straight pipe and a branch pipe electromagnetic valve. According to the device, the culture bags are connected in series to culture the freshwater microalgae, the liquid conveying mechanism is used for unified conveying, the structure is simple and practical, the automation degree is high, the equipment investment cost is low, and the yield of the freshwater microalgae is high.

Method for preparing the microalgae-derived exosome analogue and composition for improving immunity comprising the same

Resumen de: KR20260070008A

본 발명은 미세조류 유래 엑소좀 유사체 제조방법, 이로부터 제조된 엑소좀 유사체 및 이를 포함하는 면역 증강용 조성물에 관한 것으로, 본 발명의 방법은 미세조류 유래 엑소좀 유사체를 효율적으로 생산할 수 있으며, 본 발명의 미세조류 유래 엑소좀 유사체는 베타글루칸을 포함하고 있는 바, 베타글루칸의 낮은 용해도 문제를 해결할 수 있으며 면역 증강 효과가 우수하여 의약품, 건강기능식품 또는 화장료 조성물로 활용될 수 있다.

Method for improving fucoxanthine yield by adopting nutrition mode switching

Resumen de: CN122038128A

The invention relates to a high-fucoxanthine algae cell culture method, which realizes rapid accumulation of fucoxanthine by adjusting the nitrogen-carbon ratio and starvation culture transition in the microalgae growth process and the fucoxanthine accumulation process, and finally obtains microalgae cells with high fucoxanthine content.

Chlorella pyrenoidosa mutant strain J-1 with high biomass and high photosynthetic efficiency as well as construction method and application of chlorella pyrenoidosa mutant strain J-1

Resumen de: CN122038129A

The invention relates to the technical field of microalgae biology, in particular to a high-biomass and high-photosynthetic-efficiency chlorella pyrenoidosa mutant strain J-1 which is obtained by mutagenizing wild type chlorella pyrenoidosa through an atmospheric pressure room temperature plasma (ARTP) mutagenesis technology and combining an efficient screening strategy. When the strain is cultured for 4 days under a standard autotrophic condition, the biomass reaches 1.23 mg/mL, the OD750 reaches 6.27, and when the strain is cultured for 5 days under a high light stress condition, the OD750 reaches 16.70; according to the invention, the growth performance is obviously enhanced: the biomass of J-1 is higher than that of WT under autotrophic, mixotrophic or heterotrophic conditions, and the biomass of a J-1 mutant strain reaches 1.23 mg/mL and is increased by 53.8% compared with that of a wild type (0.80 mg/mL) after the J-1 mutant strain is cultured for 4 days under a standard autotrophic condition (50 mu mol * m <-2 > * s <-1 >); the OD750 reaches 6.27 and is higher than 5.75 of a wild type, the OD750 reaches 2.18 mg/mL (WT is 1.75 mg/mL) on the fourth day of mixotrophic culture, the OD750 reaches 1.39 mg/mL (WT is 1.05 mg/mL) on the fourth day of heterotrophic culture, and it is indicated that biomass can be efficiently accumulated in different nutritional modes.

Light guide optimization device and method for photobioreactor

Resumen de: CN122038096A

The invention discloses a device for light guide optimization of a photobioreactor, and relates to the field of microbiological devices. The device comprises a water-light lamp main body and a circulating water pump device, the water-light lamp main body is a transparent tubular container, a point light source incident port, a water outlet and a water inlet are formed in the water-light lamp main body, and nano silicon dioxide water suspension is contained in the water-light lamp main body; the circulating water pump device is connected with the water lamp body through a water pipe to achieve circulating flowing of turbid liquid. A point light source is converted into an area light source through turbid liquid scattering, the problems that an existing light guide device is low in side wall light emitting intensity and uneven in light distribution are solved, scattering stability is guaranteed, the microalgae and photosynthetic bacterium culture efficiency is improved, and the light guide device is simple in structure, high in adaptability and easy to popularize on a large scale.

Separation and extraction method and application of algicidal active ingredients of glycothrix fermentation product

Resumen de: CN122038167A

The invention relates to a separation and extraction method and application of algicidal active ingredients of a saccharothrix fermentation product, and belongs to the field of separation and extraction of microbial fermentation products. The preparation method comprises the following steps: preparing a seed solution, carrying out fermentation culture, carrying out 90% absolute ethyl alcohol precipitation, redissolving and the like, and separating an algae-lysing active component from a fermentation product of saccharothrix violaracirubra NBAL-S001 of which the preservation number is CCTCC (China Center for Type Culture Collection) NO: M20241734, so as to obtain the algae-lysing active component, wherein the algae-lysing active component is prepared from the fermentation product of the saccharothrix violaracirubra NBAL-S001; the mass percent of total polysaccharides of the component is at least 78%, monosaccharides comprise mannose, ribose, rhamnose, glucose, galactose and arabinose, the mass percent of the glucose is larger than 80%, and the glucose is a water-soluble non-protein substance and has a remarkable inhibiting effect on microcystis aeruginosa. The extraction method provided by the invention is simple and convenient in steps, low in cost, high in extraction efficiency and capable of realizing large-scale production; the active ingredients are good in algae-lysing effect, environment-friendly and free of secondary pollution, and an efficient technical scheme is prov

AUDITORY SUPPLEMENTS CONTAINING MICROALGAE EXTRACTS

Resumen de: KR20260069186A

본 발명은 미세조류 추출물을 함유하는 청각 기능 보충제에 대한 것으로서, Limnothrix종 KNUA002 균주를 통해 추출된 미세조류 추출물인 스피루리나를 함유하여, LDL-C 수치, HDL-C 수치 등 다양한 대사 지표를 개선하고, IL-6 수치와 대사증후군 개별 위험 요인이 개선되도록 하며, 특히 복용자의 청각 기능이 개선되도록 한다.

Method for controlling algae by using young silver carps and bighead carps

Resumen de: CN122030302A

The invention provides a method for controlling algae by using young silver carps and bighead carps, and relates to the technical field of ecological restoration of water bodies. The method provided by the invention comprises the following step: the weights of fry of the young silver carp and the bighead carp are both 5-9g. According to the method, the young silver carps and the bighead carps are adopted for controlling algae, the growth speed of the young silver carps and the bighead carps is high, the fry source is wide, the cost is relatively low, and a large amount of food is needed in the growth process to meet the energy requirement. The algae control capability of the young silver carps and bighead carps is evaluated through a system, it is determined that the content of chlorophyll a in water can be remarkably reduced through the method, and the control effect of the young silver carps and bighead carps on cyanobacterial bloom is clear.

Microalgae biofilm carrier with conductive coating and preparation method thereof

Resumen de: CN122038372A

The invention relates to the field of microalgae efficient culture and wastewater recycling treatment, in particular to a microalgae biofilm carrier with a conductive coating and a preparation method of the microalgae biofilm carrier. The preparation method comprises the following steps: adding carbon quantum dots into poly (3, 4-ethylenedioxythiophene)-poly (styrenesulfonic acid), adding a reagent for promoting material adhesion, and uniformly mixing to obtain a suspension; soaking the substrate in a surface tension adjusting reagent, and then drying to obtain a modified substrate; and spin-coating the suspension on the surface of a modified substrate, and then sequentially cleaning and freeze-drying to obtain the microalgae biofilm carrier. Compared with a traditional microalgae biofilm carrier, the microalgae biofilm carrier has higher electron conduction efficiency, is more beneficial to attachment of microalgae organisms, can improve the extracellular electron transfer efficiency of the microalgae and the photosynthesis rate of the microalgae, and promotes rapid formation of a microalgae biofilm.

Method and device for improving acidified soil by using nitrogen-fixing cyanobacteria

Resumen de: CN122030033A

The invention discloses a method and device for improving acidified soil by using nitrogen-fixing cyanobacteria, the device comprises a culture tank, the outer wall of the culture tank is provided with an extension part, the top of the extension part is fixedly provided with a fixed cover, the inner bottom of the culture tank is fixedly provided with a waterproof motor, and the output end of the waterproof motor is fixedly provided with a stirring rod; a flexible silica gel paddle is arranged on the outer wall of the end part of the stirring rod, an aeration assembly is arranged on the culture tank, and the aeration assembly comprises an annular microbubble aeration pipe fixedly mounted on the inner wall of the culture tank; the device has the beneficial effects that the flexible silica gel paddle is matched with the low-speed waterproof motor and the annular micro-bubble aeration assembly, so that the dual effects of mechanical stirring and air-lift uniform mixing are realized, algae clusters can be thoroughly scattered, the algae liquid is uniform, the damage of high-speed hard stirring to algae cells is completely avoided, the activity of nitrogen-fixing blue-green algae is retained to the maximum extent, and the nitrogen-fixing effect of the nitrogen-fixing blue-green algae is improved. The survival rate of the algae is greatly improved.

High carbon sequestration type composite microalgae aquaculture auxiliary preparation

Resumen de: CN122036074A

The invention relates to a high carbon sequestration type composite microalgae aquaculture auxiliary preparation which is characterized in that the high carbon sequestration type composite microalgae aquaculture auxiliary preparation is formed by compounding 3-5 types of microalgae species, a microalgae auxiliary agent and a microalgae protection auxiliary agent, the microalgae species comprise 2-3 microalgae species with high carbon sequestration efficiency and 1-3 local algae species adapted to an aquaculture water body, the total proportion of the microalgae species with high carbon sequestration efficiency is 40-60%, and the total proportion of the microalgae species with high carbon sequestration efficiency is 1-3%. The total proportion of the local algae species is 20%-40%; the total ratio of the raw materials is 76.1%-96.5%; the ratio of the microalgae auxiliary agent is 1.6%-5.5%; and the ratio of the microalgae protection auxiliary agent is 1.9%-18.4%. The preparation has the advantages of solving the problems of poor environment adaptability, single function, inconvenience in storage and throwing and the like of the existing preparation, realizing the synergistic interaction of carbon sequestration and carbon reduction, water purification and bait replacement, reducing the breeding cost and assisting green breeding.

Petroleum hydrocarbon degrading bacterium and microalgae co-culture system, construction method and application

Resumen de: CN122038374A

The invention discloses a petroleum hydrocarbon degrading bacterium and microalgae co-culture system, a construction method and application, and belongs to the technical field of marine environment bioremediation, the system is formed by mixing and embedding alcanivorans, rhodococcus, dunaliella salina and chlorella in a dry weight ratio of 3: 1 in sodium alginate gel microspheres, photosynthetic oxygen supply of microalgae meets the aerobic degradation requirement, and the photosynthetic oxygen supply of microalgae meets the aerobic degradation requirement. COs generated by metabolism of degrading bacteria are used for carbon sequestration of microalgae, self-sufficiency metabolic circulation is formed, bacteria and algae space layering and day and night metabolism complementation are achieved through gel microspheres, the 21-day degradation rate of the co-culture system to diesel oil reaches 82% or above and is increased by 35% compared with single bacteria treatment, exogenous nutritive salt and aeration are not needed, and the co-culture system is suitable for in-situ remediation of marine oil spill.

MICROALGAE CULTURING APPARATUS HAVING DUAL STRUCTURE

Resumen de: KR20260066565A

본 발명은 튜브형 반응기; 상기 튜브형 반응기내 공기를 공급하는 에어토출부; 및 상기 튜브형 반응기 내부에 수직하게 지지고정되는, 한쌍의 대향하는 채널바 구조체를 포함하는 이중구조를 갖는 미세조류 배양장치를 제공한다.

Device for mixing and conveying carbon dioxide in fresh water microalgae culture air

Nº publicación: CN224227021U 12/05/2026

Solicitante:

JINGZHOU NATURAL SHRIMP QINGSU CO LTD
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Resumen de: CN224227021U

The utility model provides a device for mixing and conveying carbon dioxide in fresh water microalgae culture air. According to the device, an air compressor and a standby air compressor are installed on an installation frame, air filters are installed on the air compressor and the standby air compressor respectively, one-way gas valves are installed on pipelines, communicated with an air output pipe, of the air compressor and the standby air compressor respectively, and a condensate water inlet pipe and a condensate water outlet pipe are installed on a condenser respectively. The two ends of the condenser are communicated with the outlet end of the air output pipe and the inlet end of the mixed gas pipe respectively, a gas flow adjusting valve is installed on the carbon dioxide output pipe, one end of the carbon dioxide output pipe is communicated with the carbon dioxide storage tank, and the other end of the carbon dioxide output pipe is communicated with the mixed gas pipe. Carbon dioxide introduced by the device is mixed with air according to the amount of 1%-5% of the air content, the technical problem that a carbon source is needed in the growth process of microalgae is solved, and the device is reasonable in design, easy to operate, high in automation degree and suitable for most microalgae cultivation enterprises or research institutions.