76 results about "Brown algae" patented technology

The invention belongs to the field of agricultural chemistry and bio-fertilizer, and discloses a fertilizer synergist based on polyaspartic acid, alginate oligosaccharide and mannan oligosaccharide and a preparation method of the fertilizer synergist. According to the synergist, polyaspartic acid derived from plant source amino acid, alginate oligosaccharide extracted from natural brown algae and mannan oligosaccharide extracted from plants are used as main raw materials, and the polyaspartic acid, the alginate oligosaccharide and the mannan oligosaccharide cooperate to form an induction-complexation-adsorption three-effect-in-one mechanism, wherein the alginate oligosaccharide and the mannan oligosaccharide induce plant root activity and stress resistance gene expression; the polyaspartic acid is dominated to form a multi-point weak complex network, so that slow release and controlled release of nitrogen and potassium ions are realized; the three components cooperate on the surface of soil colloid to form an adsorption layer, and nutrient leaching loss is reduced. The preparation process adopts a green process of'enzymatic pretreatment-segmented complexing-low-temperature forming ', so that the oligosaccharide activity is maintained, and the use of an organic solvent is avoided. The obtained synergist can significantly improve the nitrogen utilization rate and the root activity and prolong the fertilizer efficiency period, and is suitable for green and efficient agricultural production of various crops.

The invention provides a stepped directional extraction method of fucoidan, and relates to the technical field of extraction of active ingredients of algae. The method comprises the following steps: pretreating brown algae powder by microwaves and ultrasonic waves, mixing the pretreated brown algae powder with a deep eutectic solvent, and carrying out ultrasonic extraction to obtain algin; the eutectic solvent is composed of choline chloride and lactic acid according to the molar ratio of 1: (1-3). According to the method disclosed by the invention, a microwave-ultrasonic synergistic wall-breaking coupling deep-eutectic solvent extraction process is adopted, so that the yield of algin is increased to 73.2%, meanwhile, an additional toxic chemical chelating agent does not need to be added, the effect of effectively adsorbing heavy metal ions is achieved, and the biological safety and commercial value of the product are greatly improved.

The invention relates to the technical field of open tile windows, in particular to an open tile window with sea moon as a raw material and a preparation method thereof, and the open tile window comprises a base material layer, a functional layer and a supporting structure; the base material layer is made of a transparent plate which is formed by mixing and hot-pressing a raw material and modified nano cellulose; the aurelia raw material is prepared by mixing a seaweed extract and pretreated aurelia shell powder; the functional layer is arranged on the surface of the base material layer and is a composite film prepared by a chemical vapor deposition process; the supporting structure is an aluminum alloy frame and is combined with the base material layer through laser welding. According to the invention, the raw material components are optimally proportioned, so that the components play a targeted role in improving the performance of the open tile window, and a foundation is laid for the overall performance. Wherein the sea moon raw material is composed of an algin extract and pretreated sea moon shell powder, and sodium alginate in the algin extract has excellent cohesiveness and light transmission.

The application provides a kind of cement-like solidification characteristics and mineral flavor seaweed mayonnaise and its preparation method, based on the principle of multistage homogenization in cement production, heat treatment and particle grading, porous activated carbon particles prepared by carbonization of brown algae fermentation are graded and matched, combined with ladder type homogenization emulsification process, the cement-like solidification gel characteristics are realized;The activated carbon particles of brown algae are calcined at high temperature to form a multistage pore structure, and form a cement-like mineral flavor in cooperation with black pepper powder, smoked chili powder, clove powder, litsea cubeba powder, catnip powder and garlic powder, etc.The product prepared by the application has unique touch, low-fat characteristics and functional dietary fiber, and is suitable for building theme catering and health food field.

The present application relates to the field of pharmacy, disclose the medicine composition for antibacterial and anti-inflammatory of Chinese herbal medicine and marine extract combination, including: baicalin extract 5~10 parts; andrographolide extract 3~7 parts; sulfated fucoidan 2~5 parts; spongin extract 0.2~1 part; wherein: baicalin extract is derived from the root of scrophulariaceae, is extracted by ethanol-water mixed solvent; andrographolide extract is derived from the whole plant of andrographis, is extracted by ethanol-water mixed solvent; sulfated fucoidan is derived from brown algae, is prepared by enzymolysis and alcohol precipitation method; spongin extract is derived from sponges, is extracted and separated and purified by organic solvent. Through the technical scheme of the synergistic combination of active ingredients of Chinese herbal medicine and marine extract, the technical effect of destroying the biofilm barrier and clearing the stubborn infection focus in the treatment of bacterial vaginitis, candida vaginitis and cervical inflammation associated with biofilm infection is achieved.

The invention discloses a special water and fertilizer integrated organic fertilizer for rosa roxburghii tratt and a fertilization method. The feed additive is prepared from the following components in parts by mass: 3-5 parts of glucose, 3-5 parts of bacillus subtilis, 5-8 parts of aspergillus niger, 5-8 parts of lactobacillus plantarum, 10-16 parts of saccharomycetes, 1-3 parts of cellulase, 12-18 parts of papain, 20-30 parts of roxburgh rose pomace, 45-60 parts of brown algae, 45-60 parts of deep-sea fish leftovers and 80-100 parts of purified water. The preparation method comprises the following steps: crushing and mixing the raw materials, fermenting for 5-8 days, and filtering to obtain the brown water-soluble fertilizer. The special organic fertilizer avoids the problems of poor solubility and pipeline blockage of organic fertilizer products, realizes cyclic utilization of the roxburgh rose pomace, and enhances the environmental adaptability of soil; rosa roxburghii growth is promoted, and yield is increased.

This invention belongs to the field of pharmaceutical technology, specifically relating to an alginate oligosaccharide, its preparation method, and its applications. Using brown algae as raw material, the invention first removes impurities from the algae, then extracts it through subcritical acid water, followed by neutralization, decolorization, heavy metal removal, membrane ultrafiltration / nanofiltration purification, and spray drying to obtain high-purity saturated alginate oligosaccharides with a specific degree of polymerization distribution. These alginate oligosaccharides can increase butyrate production by intestinal flora and exert a laxative effect. The alginate oligosaccharide and its preparation method provided by this invention directly use brown algae as raw material, overcoming the drawbacks of traditional methods that first prepare alginate and then hydrolyze it to prepare alginate oligosaccharides, greatly shortening the process steps and improving production efficiency. The alginate oligosaccharides provided by this invention have high purity and broad application potential in the preparation of intestinal health drugs, health products, or dietary supplements.

The invention discloses preparation and application of algal polysaccharide-based co-drug-loading tumor targeting nanoparticles. The algal polysaccharide-based co-drug-loaded nano particle disclosed by the invention is a self-assembled targeting nano particle co-constructed by biotin modified algal polysaccharide sulfate and arginine modified chitosan. The algal polysaccharide-based co-drug-loaded nano particle disclosed by the invention is an algal polysaccharide-based co-drug-loaded nano particle. The algal polysaccharide-based nanoparticles encapsulate anti-tumor hydrophilic drugs and hydrophobic drugs to realize targeted co-delivery of the drugs in solid tumor tissues, self-assembly is generated through electrostatic interaction of polysaccharide molecules to drive the encapsulated drugs to enter inner cores of the nanoparticles, and meanwhile biotin molecules are mainly distributed in shell layers of the nanoparticles. According to the algal polysaccharide-based co-drug-loading nano particle, the targeting property to solid tumor tissues is enhanced, the defect that a conventional drug-loading system can only encapsulate a single hydrophilic or hydrophobic drug is innovatively overcome, efficient co-delivery of hydrophilic and hydrophobic drugs with different attributes is realized, and proliferation and migration of tumors can be remarkably inhibited.

The application discloses a kind of anti-reverse tolerance of poor root flower planting slow-release fertilizer and its preparation method, the slow-release fertilizer includes 30-45 parts of seaweed residue, humic acid 15-25 parts, diatomite 10-20 parts, oyster powder 5-15 parts, plant protein glue 3-8 parts, polyglutamic acid 1-3 parts, bacillus mucilaginosus powder 0.5-2 parts, brown algal oligosaccharide 0.1-0.5 parts, potassium silicate 2-5 parts, ammonium molybdate 0.05-0.15 parts, silicon phytic acid ester 0.5-2 parts, by introducing silicon phytic acid ester, fertilizer particles can be adjusted according to soil humidity release rate of nutrients, lock up nutrients in drought, accelerate release in wet; Absorption and fixation harmful metal ions in soil, reduce stress, and slowly hydrolyze in slow-release process, continuously provide beneficial substances, synergistically improve the fertilizer utilization rate of root flower in poor soil, resistance tolerance and sustained growth capacity.

This invention belongs to the field of cosmetic technology, specifically relating to a gentle exfoliating and brightening composition and its application. Specifically, this invention uses a combination of protease aqueous solution, probiotic-fermented brown algae, and panthenol to prepare a composition; then, using this composition as the main active ingredient, it is prepared into a skincare cosmetic. Experimental verification has shown that it can effectively restore the skin's microecological balance, while also brightening the skin. Furthermore, compared to conventional acid-based exfoliating ingredients like salicylic acid, it has a stronger exfoliating effect, a more pronounced exfoliating effect, and is gentler, thus possessing significant practical application value.

The invention belongs to the technical field of food preservation, and provides a gelatin / chitosan film loaded with brown algae extract and a preparation method and application thereof, and the preparation method comprises the following specific steps: (1) mixing brown algae with an ethanol solution, and concentrating to obtain the brown algae extract; (2) mixing a gelatin solution, a chitosan solution, glycerol and the brown algae extract to obtain a film precursor; and (3) carrying out tape casting on the film precursor to obtain the gelatin / chitosan film loaded with the brown algae extract. The brown algae extract is rich in effective active ingredients such as organic acid, so that the film is endowed with good antioxidant and antibacterial properties. By adding the extract, the mechanical property, the water vapor barrier property and the thermal stability of the composite film are effectively improved, and an active packaging material with a uniform structure is formed. In fresh-keeping application, the film effectively delays the quality deterioration process of the instant sea cucumbers in the normal-temperature storage period through the active function of the film, and the texture and sensory quality of the product are remarkably maintained.

The invention provides absorbent articles which are formed from or which incorporate a cellulose / alginate-containing material, wherein said material comprises cellulose fibres and a residue of alginate from a brown seaweed, and wherein said material is obtained by a process comprising at least the following steps: (i) providing a brown seaweed, or part thereof; (ii) dividing the brown seaweed, or part thereof, into a plurality of portions; (iii) washing the plurality of portions with water whereby to remove water-soluble components and recovering the residual solids; (iv) extracting alginate from the residual solids and recovering a residual wet residue comprising cellulose fibres and a residue of alginate; and (v) de-watering the residual wet residue whereby to provide said cellulose / alginate-containing material as a dry residue.

The present invention provides a method for providing a gelling effect from brown algae by applying mild conditions.

The invention discloses a dried seaweed floss product derived from waste undaria pinnatifida and a preparation method of the dried seaweed floss product, and belongs to the technical field of seaweed food processing. According to the method, waste brown algae raw materials such as stems, old leaves and leftover materials generated in the undaria pinnatifida processing process are utilized, pretreatment, vacuum freeze-drying and smashing are combined, and particularly cellulase and pectinase are adopted for compound enzyme structure softening, so that a loose, fluffy, light and crisp seaweed floss structure is prepared. The low-value part of the undaria pinnatifida, which is originally difficult to utilize, is converted into high-value-added food. A new product form is provided for deep processing of the undaria pinnatifida, and the undaria pinnatifida has high industrialization and market application prospects.

The invention belongs to the technical field of microorganisms, and particularly relates to a microvesicle bacterium capable of degrading sargassum horneri and application of the microvesicle bacterium. The microvesicles are microvesicles okinawensis, the microvesicles are preserved in the China General Microbiological Culture Collection Center on October 27, 2025, and the preservation number of the microvesicles is CGMCC (China General Microbiological Culture Collection Center) No. 36355. The microvesicle bacterium of the sargassum horneri component degrading enzyme is screened from rotten sargassum horneri, cell walls of the sargassum horneri can be efficiently cracked, release of effective components in brown algae is promoted, and therefore utilization of sargassum horneri resources is promoted.

The present application relates to a kind of mediated zymolytic enzyme of brown algae and application of double transcription unit recombinant bacteria of oxyprotein and brown algae, belong to genetic engineering technical field, the recombinant engineering bacteria is composed of two transcription units, one transcription unit is GAP-alpha-Vgb-AOX1TT, another transcription unit is AOX-alpha-102C300C-AOX1TT, two transcription units are expressed in tandem in pPICZ alphaA plasmid.The present application also provides the preparation method and application of the recombinant bacteria.The recombinant bacteria of the present application can improve the secretion expression efficiency of brown algae zymolytic enzyme, especially can be expressed in low-oxygen environment.

This invention relates to the field of feed additive technology, specifically to a compound plant-seaweed feed additive for reducing methane emissions in ruminants and its preparation method. It comprises the following raw materials in parts by weight: 40-60 parts sorghum husk powder, 30-50 parts purple sweet potato powder, 0.5-5 parts functional additives, 5-10 parts red algae, 5-10 parts brown algae, 5-12 parts *Lactobacillus plantarum*, 3-8 parts chitosan, 2-6 parts essential oil, 2-5 parts 3-nitrooxypropanol, 10-15 parts *Scutellaria baicalensis*, 8-12 parts *Codonopsis pilosula*, 3-8 parts *Isatis indigotica*, and 5-18 parts modified zeolite. Through the regulation of *Lactobacillus plantarum* and chitosan, the energy originally used to generate methane is converted into propionic acid. Propionic acid is a major gluconeogenic precursor in ruminants, which is directly converted into glucose for milk production or muscle growth.

The utility model provides a brown algae collecting device, which relates to the technical field of brown algae collection and comprises a telescopic cylinder, a mounting plate, a cutting component, a mounting rod, a collecting frame, a water leakage hole, a filtering piece, a limiting component and a suction pump, according to the device, after cutting of the brown algae is automatically completed, the cut brown algae and water flow are guided to the area of the collecting frame together, then water can be injected into the water storage cavity through the filtering piece and the liquid leakage holes in the collecting frame and finally is introduced into the lake again through the suction pump, and the brown algae and hard impurities in the water can be intercepted; furthermore, the probability that the suction pump is damaged by hard substances in the water is remarkably reduced, and the brown algae collecting procedure is better.

This application relates to the field of microbial fertilizer technology, specifically to a microbial suspension fertilizer based on seaweed nano-zinc oxide, its preparation method, and its application. First, *Sargassum fusiforme* (seaweed) is washed, dried, and ground into powder, then mixed with water to form an algae slurry. Alginic acid lyase is added to the *Sargassum fusiforme* slurry to obtain an enzymatic hydrolysate. Then, the *Sargassum fusiforme* enzymatic hydrolysate is mixed with zinc acetate under heating conditions. The reaction product is centrifuged, washed, and calcined to obtain seaweed nano-zinc oxide particles. Finally, the nano-zinc oxide particles and adjuvants such as compound microbial agents are formulated into a microbial suspension fertilizer. By utilizing the reaction between *Sargassum fusiforme* enzymatic hydrolysate and zinc acetate, seaweed nano-zinc oxide with more uniform particle size can be obtained, and its photocatalytic and antibacterial properties are improved. Furthermore, the microbial suspension fertilizer prepared based on this seaweed nano-zinc oxide can promote crop growth, improve crop quality, and fortify grain zinc nutrition, making it suitable for various agricultural production applications.

The invention relates to a biostimulant composition containing an extract of brown algae and its use for improving plant growth by stimulating the growth of favorable microorganisms present in soils.

Apparatus, methods, and compositions including fibrous material and seaweed wherein the device has a surface for engaging with substrate and has a rigidity that decreases over time upon exposure to water, substrate, earth, or a combination thereof. The device may be a pot, disk, or sheet and may have a second surface to engage with earth. The fibrous material may be present in 70 weight percent or more or 60 to 97 weight percent. The seaweed may be present in 30 weight percent or less. The seaweed may include a brown macroalgae species and may include intact seaweed, derivatives of seaweed, seaweed processing waste, or a combination thereof. Methods and compositions including forming a slurry of seaweed and fibrous material, molding the slurry into the device, and drying the device. Forming the slurry may include hydrating fibrous material, seaweed, or both or introducing fibrous material to an agitation vessel.

A C-terminal truncated alginate lyase and its application. This invention belongs to the fields of bioengineering, genetic engineering, and enzyme engineering, and relates to a C-terminal truncated alginate lyase TY2 designed with molecular docking assistance, its encoding gene, recombinant vector, strain, and its application in the preparation of low-polymerization degree alginate oligosaccharides. Using wild-type MhAly6 as the parent, the truncation boundary was determined through structural prediction and molecular docking. A portion of the linker peptide was retained, and the C-terminal GH28 family domain was deleted to obtain the truncated form TY2. TY2 has approximately twice the specific activity of the wild-type enzyme, and even higher residual activity after incubation at 45°C for 1 hour, achieving a synergistic improvement in catalytic activity and thermal stability. + The relative enzyme activity reached 4.3 times that of the control group, which can degrade pretreated Sargassum powder. The product is mainly ΔDP2–ΔDP4 low-polymerization brown algae oligosaccharides, which are suitable for related enzymatic degradation and oligosaccharide preparation.

The application discloses a alginate lyase mutant E87Q, a coding gene, a recombinant expression vector and a genetically engineered bacterium, and belongs to the technical field of genetic engineering. The application takes alginate lyase PpAly7A as a starting template, and a mutant with improved relative specific activity is obtained through site-directed mutagenesis. Compared with the wild enzyme PpAly7A, the mutant E87Q has a relative specific activity increased to 133.82%, and the corresponding site can be used as a new target for subsequent rational design.

According to the preparation method and application of the biodegradable special cat litter provided by the invention, efficient, odorless and thorough treatment of cat excrement is realized by constructing a multi-layer synergistic biodegradation system. The core of the system is as follows: firstly, a high-tolerance functional strain is obtained through a composite screening process combining nitrogen ion beam irradiation mutagenesis with multiple stress and brown algae polyphenol; secondly, according to the characteristics of different strains, a multi-mode microbial agent delivery system combining quick release particles, slow release pellets and common bacterial powder is prepared, and quick control over a pollution source and long-acting stable conversion of ammonia gas are achieved; the uricase is embedded by adopting the microcapsules, so that the stability and the catalytic durability of the uricase are remarkably improved; under the combined action of the technologies, finally, the cat litter can rapidly permeate and degrade excrement, ammonia release and peculiar smell generation are effectively controlled, and the comprehensive effects of being small in dosage, long in cleaning period and environmentally friendly are achieved.

The invention belongs to a microorganism and an application technology thereof, and discloses a kelp degrading bacterium, a method for preparing kelp fermentation liquor by using the kelp degrading bacterium and application of the kelp fermentation liquor. The bacterial strain is cofibraurea, the classification name of the bacterial strain is cofibraurea, and the preservation number of the cofibraurea is CGMCC (China General Microbiological Culture Collection Center) No.33267. The algin lyase produced by the strain can effectively degrade algae, and is mainly used for degrading algin into micromolecular alginate oligosaccharide. The strain is used for preparing seaweed fermentation liquor, the seaweed fermentation liquor can promote plant seed germination, plant growth and / or root growth, and the strain has wide application prospects in the aspects of improving the utilization rate of waste seaweed, especially kelp, and preparing plant organic fertilizer.

The invention provides a skin anti-aging composition and application thereof, and belongs to the technical field of cosmetics. The composition comprises an effective amount of at least two algae extracts selected from spirulina, porphyridium, euglena, phaeodactylum tricornutum and brown algae, and optionally comprises other synergistic anti-aging active ingredients. The skin anti-aging composition prepared by the invention systematically acts on five key dimensions of cell nucleus, mitochondria, extracellular matrix, cell surface communication and cell life cycle, and takes regulation and control of self functions of cells as a core, so that a natural active ingredient composition for actively repairing and reversing age feeling and application thereof are realized.

This invention relates to brown algae ( ) Alaria esculenta The extract is used as a cosmetic active ingredient to protect the scalp from the harmful effects of indoor or outdoor air pollutants, including: toxic gases such as sulfur, sulfur dioxide and ozone; heavy metals such as cobalt, mercury, cadmium, lead and nickel; precious metals such as rhodium, platinum and palladium; volatile organic compounds (or VOCs); tobacco smoke such as cigarette smoke, and dust.

The application discloses a kind of special nutrient solution for container seedling of forest and preparation method thereof, belong to the technical field of forest seedling.The nutrient solution is based on macroelement, ethylenediaminetetraacetic acid chelated iron and conventional trace element, compound mineral source humic acid, compound amino acid, brown algae extract, paclobutrazol and compound rooting powder, add citric acid and mineral source potassium fulvate to stabilize EC value, prevent and control salt injury, and supplemented with chitosan and betaine to enhance seedling resistance, the pH value of nutrient solution is 5.5-6.5, EC value is 1.2-2.0 mS / cm.The application is prepared by mother liquor pretreatment, step-by-step dissolution, parameter control and membrane filtration process, can be segmented according to forest growth stage Application, can promote root seedling, control overgrowth, reduce salt injury, significantly improve seedling survival rate and seedling quality, suitable for large-scale production of container seedling of forest.

This invention belongs to the field of cosmetic technology, specifically relating to a composition containing 10-hydroxy-2-decenoic acid and its application. The composition is obtained by compounding probiotic-fermented brown algae, pterostilbene, and 10-hydroxy-2-decenoic acid in a certain proportion. Experiments have shown that the components of the above composition can produce a synergistic effect, significantly inhibiting the production of inflammatory factors, resisting inflammatory aging, and inhibiting lipid peroxidation. Furthermore, this invention unexpectedly discovered that compounding probiotic-fermented brown algae, 10-hydroxy-2-decenoic acid, and pterostilbene can significantly improve the light and heat stability of pterostilbene, thus possessing good practical application value.

The invention relates to a high-phosphorus compound fertilizer preparation method, and belongs to the technical field of compound fertilizer preparation. The method comprises the following steps: crushing monoammonium phosphate, monocalcium phosphate and potassium sulfate to 80 meshes; mixing with urea, ammonium bicarbonate and ammonium polyphosphate by a dry method for 10-15 minutes; the preparation method comprises the following steps: preparing a 5-8wt% aqueous solution from algal polysaccharides and polyglutamic acid, and mixing for 5-10 minutes by an atomized spraying wet method; adding a granulating agent, and granulating for 20-30 minutes under the conditions that the temperature is 60-70 DEG C and the rotating speed is 15-25 revolutions per minute, so as to obtain particles with the particle size of 2-4mm; and drying the particles at 80-90 DEG C for 20-30 minutes, cooling, and screening to obtain a finished product. Wherein the ammonium polyphosphate is short-chain ammonium polyphosphate with the polymerization degree of 2-8, the pH value is 4.0-4.5, and the PO content is greater than or equal to 60%; the algal polysaccharide is a brown algae extract, and the molecular weight is 10-50kDa; the polymeric amino acid is polyglutamic acid, and the molecular weight is 200-500 kDa. The PO content of the compound fertilizer prepared by the method is greater than or equal to 30%, the water-soluble phosphorus proportion is 85-90%, the phosphorus utilization rate in alkaline soil with the pH value of 8.0-8.5 is greater than or equal to 40% and is increased by 40-60% compared with that of a conventional compound fertilizer, and the compound fertilizer is suitable for a water and fertilizer integrated system.