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MARINE MICROALGA AS PRODUCER OF LUTEIN AND OTHER CAROTENOIDS

Resumen de: WO2026089638A1

The invention relates to the field of microbiology and biotechnology, and more particularly to a novel strain of the microalga Parachlorella sp., Nanno 1, which is a producer of carotenoids, especially lutein. The substances produced can be used in biologically active additives and food supplements for human consumption, as well as in various feed supplements, primarily for use in aquaculture. The novel strain has the ability to accumulate a high level of carotenoids, primarily lutein, which constitutes approximately 2/3 of the carotenoids accumulated, and the strain biomass additionally has good organoleptic properties. The strain exhibits a high growth rate with rapid pigment accumulation, and has a simple culture protocol which can be easily scaled up.

MARINE MICROALGA AS PRODUCER OF BETA-CAROTENE, LUTEIN AND OTHER CAROTENOIDS

Resumen de: WO2026089637A1

The invention relates to the field of microbiology and biotechnology, and more particularly to a novel strain of the microalga Desmodesmus subspicatus, Dia 5, which is a producer of carotenoids, especially lutein and beta-carotene. The substances produced can be used in biologically active additives and food supplements for human consumption, as well as in various feed supplements, primarily for use in aquaculture. The novel strain has the ability to accumulate a high level of both lutein and β-carotene, and the strain biomass additionally has good organoleptic properties. The strain does not require complex culture conditions, inter alia, it does not require a high concentration of NaCl in the cultivation medium.

Compositions from marine microalgae for improvement of hair health comprising promotion of stem cell-derived conditioned medium activity

Resumen de: KR20260059201A

본 발명은 스피룰리나 추출물을 처리한 지방유래 중간엽 줄기세포 체외 배양액을 포함하는 해양미세조류 유래 모발 건강 개선용 조성물에 관한 것으로, 본 발명에 따른 해양미세조류 추출물 처리 줄기세포 배양액은 모발 건강 개선 관련 성장인자 및 사이토카인의 발현 증가를 유도함으로써 모발 건강 개선 및 탈모의 예방에 유용하게 이용될 수 있다.

CASCADING FRACTIONAL COMPONENT EXTRACTION FROM MICROALGAE

Resumen de: EP4732673A1

The cascaded extraction of fractional components of an algal biomass includes an initial disruption of an algal cell mass and the centrifugation of the disrupted algal cell mass into each of an oil fraction, an aqueous fraction and a solid fraction. Thereafter, the oil fraction may be purified into an algal oil, while the aqueous fraction may be micro-filtrated and dried into a protein, and the solid fraction may be enzymatically digested, macerated, precipitated and dried into a chitosan.

Microalgae biofilm carrier with conductive coating as well as preparation method and application of microalgae biofilm carrier

Resumen de: CN121931093A

The invention discloses a microalgae biofilm carrier with a conductive coating as well as a preparation method and application of the microalgae biofilm carrier, and relates to the field of efficient culture of microalgae and resource treatment of wastewater. The microalgae biofilm carrier comprises a surface tension regulator modified substrate and a conductive active layer loaded on the surface of the substrate, and the conductive active layer comprises defect type UiO-66 (Zr)-NH2, a conductive agent and a surface tension regulator. The microalgae biofilm carrier has stronger surface tension, 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 the microalgae biofilm.

Microalgae seed bottle placing platform

Resumen de: CN224172735U

The utility model relates to the technical field of biological experiment equipment, and discloses a microalgae seed bottle placing platform which comprises a bottom shell, an inclined mechanism is arranged in the bottom shell, the inclined mechanism comprises a supporting plate, and a rotating rod is rotationally installed on the inner wall of the supporting plate. According to the microalgae seed bottle placement platform, a first motor operates to drive a connecting shaft to rotate so as to drive a second bevel gear to rotate, the second bevel gear drives a first bevel gear to rotate, the first bevel gear drives a fixed rod to rotate so as to drive a worm to rotate, and the worm rotates to drive a worm gear to rotate so as to drive a rotating rod to rotate; the rotating rod drives the angle of the connecting plate to be adjusted so as to drive the connecting shell to incline, through the arrangement of the structure, different inclination angles needed by the algae seed bottle can be effectively adjusted, the algae seed bottle can be fixed to prevent the algae seed bottle from toppling over due to collision, and the problems proposed in the background technology are solved.

Method for producing recombinant spider silk protein based on microalgae photosynthetic expression and non-chromatographic purification, recombinant spider silk protein and application

Resumen de: CN121931172A

The invention discloses a method for producing recombinant spider silk protein based on microalgae photosynthetic expression and non-chromatographic purification, the recombinant spider silk protein and application, and belongs to the technical field of recombinant spider silk protein production. The method comprises the following steps: designing a target recombinant spider silk protein structure, taking a spider dragline silk protein repetitive unit as a core, matching with an end-side elastin structural domain, inserting an amber termination codon TAG at a specified glycine site of the repetitive unit, and introducing non-natural amino acid containing a click chemical functional group by virtue of a gene codon extension technology; the method comprises the following steps: artificially synthesizing an optimized gene expression cassette, constructing a chlamydomonas reinhardtii expression system, synchronously constructing an unnatural amino acid insertion system, co-transforming the gene expression cassette and the unnatural amino acid insertion system into chlamydomonas reinhardtii, screening positive clones, carrying out photosynthetic culture induced expression, and carrying out pH-induced reversible phase separation in combination with magnetic nanoparticle click chemical non-chromatographic purification. Finally, the high-purity recombinant spider silk protein is prepared, and a technical basis is provided for industrialization of biological materials.

Immobilized microalgae purification mariculture tail water treatment system

Resumen de: CN121929876A

The invention discloses an immobilized microalgae purification mariculture tail water treatment system, which relates to the technical field of mariculture tail water treatment, and comprises a pretreatment unit, a core photo-biological purification unit and a deep treatment unit, the high-tolerance microalgae subjected to gradient domestication are embedded in the magnetic nanoparticle modified high polymer material, the formed magnetic immobilized microalgae complex is high in mechanical strength and excellent in settling performance, online recovery and backflow of lost microalgae can be achieved by combining a magnetic separation and recovery device, the operation cost is greatly reduced, secondary pollution is avoided, and the method is suitable for industrial production. A hollow optical fiber light guide aeration assembly with light-transmitting micropores is adopted, sunlight is accurately guided into the deep layer of the tail water, and meanwhile, microbubbles escape from the optical fiber micropores to form light-gas coaxial release, so that the technical bottlenecks of insufficient illumination and low mass transfer efficiency of the deep water body are effectively solved; in addition, the pretreatment unit adopts a nitrifying flora-loaded modified charcoal adsorption bed, so that a high-quality nitrogen source is provided for subsequent microalgae, and the starting time of the system is remarkably shortened.

Filamentous microalgae with rapid ball gathering and settling characteristics as well as screening method and application of filamentous microalgae

Resumen de: CN121931007A

The invention belongs to the technical field of microalgae biology, and particularly discloses filamentous microalgae with rapid ball gathering and settling characteristics as well as a screening method and application of the filamentous microalgae. The preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) NO. 46950 The invention also discloses a screening method of the algal strain, and the method comprises the following steps: sampling from the surface of water body sediment, applying settling time pressure in a stepped manner, carrying out enrichment culture, and finally obtaining a purified algal strain by combining a single algal filament picking and purifying technology which extends according to the phototropism of filamentous microalgae. The algal strain can spontaneously form dense algal balls in the growth process, sedimentation is completed within a short time (the sedimentation rate reaches 90% within 10 min), and the harvesting cost and energy consumption in the algae culture process are greatly reduced. The algal strain can be used in the fields of sewage treatment, high-value product production, feed, biomass energy and the like, and has a wide market application prospect.

Microbial agent for improving content of milk nervonic acid and preparation method thereof

Resumen de: CN121930971A

The invention particularly relates to a microbial agent for increasing the content of nervonic acid in milk and a preparation method thereof, the microbial agent comprises functional microbial thalli and a composite protective agent, the functional microbial thalli are microorganisms capable of synthesizing nervonic acid or a direct precursor thereof, are selected from natural isolated strains or genetic engineering modified strains, and cover saccharomycetes, bacteria, microalgae or fungi; the composite protective agent takes feed-grade lactose as a matrix and contains skim milk powder and glutamic acid, and the composite protective agent comprises the following components in percentage by weight: 75-85% of feed-grade lactose, 10-20% of skim milk powder and 3-7% of glutamic acid. The mixing mass ratio of the composite protective agent to the functional microorganism thalli is 1: (0.8-1.2); and the survival rate of functional microorganisms stored at normal temperature for 12 months is greater than or equal to 80%. After mammals are continuously fed with the microbial inoculum for 4 weeks, the nervonic acid content in milk is increased by 3-5 times compared with a control group, the DHA content is not obviously changed, the total fatty acid content is stable, and the directional enrichment effect of nervonic acid is clear and is not a passive result of increase of the total fatty acid content.

Water quality purification phycomycete composition, water quality purification system and application

Resumen de: CN121930977A

The invention discloses a water quality purification phycomycete composition, a water quality purification system and application, and belongs to the technical field of water treatment and ecological restoration. The phycomycete composition for water quality purification comprises mixed microalgae and a composite flora, the mixed microalgae comprise chlorella sorojin, chlorella vulgaris, chlorella pyrenoidosa, chlamydomonas reinhardtii and chlamydomonas plana; the composite flora comprises bread yeast, bacillus subtilis, bacillus amyloliquefaciens, bacillus licheniformis and pseudomonas putida. According to the invention, dominant algae species in an in-situ water body and external composite flora are combined as a water quality purification phycomycete composition, so that not only is the removal efficiency of nutritive salt improved, but also the increase of microalgae biomass is promoted by improving the phycomycete microbial environment and adjusting the ecological structure. The phycomycete composition disclosed by the invention can be directly used for in-situ treatment of rivers in cold regions, is directly arranged in rivers, bank zones or constructed wetlands, and overcomes the defect that a traditional process is difficult to efficiently and stably operate in treatment of rivers in cold regions.

Eel feed using schizochytrium microalgae and method for producing same

Resumen de: CN121941418A

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

Photobioreactor for microalgae cultivation

Nº publicación: KR20260056673A 27/04/2026

Solicitante:

정상화

Resumen de: KR20260056673A

본 발명은 미세조류 배양용 광생물 반응기에 관한 것으로서, 더욱 상세하게는 배양공간으로 유입되는 기체에 와류를 발생시켜 미세조류를 순환시킴으로써 미세조류의 배양효율을 향상시킬 수 있는 미세조류 배양용 광생물 반응기에 관한 것이다. 본 발명은 배양공간 내의 배양액과 배양액 내의 미세조류에 상승류 및 와류를 발생 및 배양공간 내에서 순환시킴으로써, 배양액 및 미세조류가 이산화탄소가스와 태양광을 균일하게 공급받을 수 있도록 하여 배양효율을 향상시킬 수 있다. 또한, 본 발명은 주기적 또는 비주기적으로 배양액 내의 상승류 및 와류 형태를 변화시켜 미세조류가 일정 부분에서 체류하는 것을 방지 및 서로 뭉치지 않고 분산된 형태로 순환되게 함으로써 이산화탄소가스 및 태양광을 균일하게 공급받을 수 있도록 하여 배양효율을 향상시킬수 있다.