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Antioxidant, method for removing active oxygen, and method for producing antioxidant

Absstract of: CN121693339A

The present disclosure provides novel antioxidants using cyanobacteria. The antioxidants of the present disclosure comprise secretions of cyanobacteria.

Application and method of bacillus pumilus in joint production of squalene and unsaturated fatty acid and obtained microbial oil

Absstract of: CN121674494A

The invention belongs to the technical field of microbial fermentation, and particularly relates to application and method of bacillus pumilus in joint production of squalene and unsaturated fatty acid and obtained microbial oil. A method for joint production of squalene and unsaturated fatty acid comprises the following steps: S1, respectively carrying out amplification culture on schizochytrium limacinum HS08 and bacillus pumilus to obtain a schizochytrium limacinum amplification culture and a bacillus amplification culture; wherein the preservation number of the schizochytrium limacinum HS08 is CGMCC (China General Microbiological Culture Collection Center) No.40902, and the preservation number of the bacillus pumilus is CGMCC No.1.1166; s2, one of the schizochytrium limacinum enlarged culture and the bacillus enlarged culture obtained in S1 is inoculated into a co-culture medium for fermentation; the bacillus pumilus and the schizochytrium limacinum HS08 are subjected to combined fermentation, so that the yield of microbial oil produced by microalgae fermentation is greatly increased, particularly the content of squalene and EPA is also greatly increased, the method is suitable for industrial large-scale production, and the production cost of squalene and EPA is reduced.

Efficient and energy-saving method for culturing seawater chlorella

Absstract of: CN121674216A

The invention discloses an efficient and energy-saving method for culturing seawater chlorella, and belongs to the technical field of microalgae culture, an annular bioreactor with a built-in light source is adopted, seawater is added, then disinfection is performed, and then a continuous culture method or a semi-continuous culture method is performed, the semi-continuous culture comprises a pre-culture stage and a semi-continuous culture stage, the continuous culture method comprises a pre-culture stage and a continuous culture stage, the seawater chlorella is continuously and stably cultured for not less than 30 days, and the daily productivity is not less than 0.194 g/L/day. The method has the advantages of simplicity in operation, low cost, high seawater chlorella growth rate and the like. According to the method, the annular photobioreactor is utilized, efficient and energy-saving production of the seawater chlorella is realized by optimizing a culture mode and illumination conditions, and the biomass stability in an experimental system is maintained to be not shorter than 30 days.

Klebsormidum sp. GXU-A8 and application thereof

Absstract of: CN121674219A

The invention relates to Klebsormidum sp. GXU-A8 and application of the Klebsormidum sp. GXU-A8, and belongs to the technical field of microalgae. The invention provides krill GXU-A8, the classification name of the krill GXU-A8 is Klebsormidium sp. GXU-A8, the krill GXU-A8 is preserved in the China Center for Type Culture Collection on June 16, 2025, the preservation address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 20251401. According to the invention, an alga is obtained by screening and culturing, the alga is Kribosome and named as Kribosome GXU-A8 through assembling, annotation and phylogenetic analysis on ribosome, chloroplast and mitochondrial genes of the alga, and experiments prove that the alga has the capability of resisting acidic, alkaline and high-salt environments, and can be used for preparing the Kribosome GXU-A8. The potential of repairing degraded soil and promoting crop growth is also realized.

Application of chemotherapeutic drug-microalgae embolism agent in preparation of drug for treating tumors by arterial embolism

Absstract of: CN121668337A

The invention discloses application of a chemotherapy drug-microalgae embolization agent in preparation of a drug for treating tumors through arterial embolization, belongs to the technical field of biological medicine, and particularly relates to the technical field of biological medicine manufacturing, and the chemotherapy drug-microalgae embolization agent is composed of a pharmacologically effective amount of chemotherapy drug and microalgae, the chemotherapeutic drug is electropositive in a physiological environment and is combined with the microalgae through electrostatic adsorption, and preferably, the mass ratio of the microalgae to the chemotherapeutic drug is 1: (0.1-10). The chemotherapy drug-microalgae embolization agent has pH responsiveness when releasing chemotherapy drugs, and can improve an acidic tumor microenvironment, so that the antitumor effect is synergistically enhanced; the chemotherapeutic drug, namely the microalgae embolization agent, also has good biocompatibility and biodegradability. The chemotherapeutic drug-loaded microalgae provided by the invention provides clinical transformation potential for malignant tumor treatment.

High-precision illumination adjusting device

Absstract of: CN224003628U

The utility model relates to the field of microalgae cultivation, in particular to a high-precision illumination adjusting device. The high-precision illumination adjusting device comprises lamp beads, the lamp beads have different colors, a lampshade wraps the lamp beads on the first face of a shell, the lampshade is ultrasonically welded to the first face of the shell, a fixing part is fixedly installed on the second face of the shell, and the fixing part is arranged on the second face of the shell. The fixing part is a fixing column with threads, an adjustable buckle structure or a magnetic attraction type adsorption part, the illumination adjusting device further comprises switches and an adjusting knob, each switch controls the multiple lamp beads with the same color, and the adjusting knob controls the brightness of all the lamp beads at the same time. According to the utility model, illumination with proper wavelength and intensity can be provided according to different growth stages of microalgae, and the culture efficiency and quality are improved.

Light-dark alternating type photobioreactor for sewage treatment

Nº publicación: CN224001200U 17/03/2026

Applicant:

ZHEJIANG KUNZE ENVIRONMENTAL TECH CO LTD
SICHUAN UNIV
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Absstract of: CN224001200U

The utility model discloses a light-dark alternating type photobioreactor for sewage treatment. The light-dark alternating type photobioreactor comprises a circulating flow channel, a circulating pump, a circulating pump fixer, a circulating pump controller and a simulated light source or an actual light source, the circulating flow channel is provided with a water inlet pipe, a water outlet pipe and a water distributor, sewage enters the circulating flow channel through the water inlet pipe and the water distributor, and the circulating pump is arranged in the circulating flow channel and drives the sewage and the microalgae to be mixed and circularly react; the circulating flow channel is provided with an opening facing the vertical upper portion, a light reaction area and a dark reaction area, the light reaction area and the dark reaction area are arranged in the flowing direction of the circulating flow channel in a spaced mode, a light shielding plate is arranged at the opening of the dark reaction area, and the simulated light source or the actual light source irradiates into the circulating flow channel from the opening of the light reaction area to form the light-dark alternating effect with the dark reaction area with the light shielding plate.