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42 results about "Mytilus" patented technology
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Mytilus is a cosmopolitan genus of medium to large-sized edible, mainly saltwater mussels, marine bivalve molluscs in the family Mytilidae.
Adhesive compounds and methods use for hernia repair
ActiveUS20120116424A1Inhibits and reduces growth of biofilmImprove cohesionSurgical adhesivesPolyether adhesivesMedicinal chemistryAdhesive proteins
Owner:DSM IP ASSETS BV
Hemostasis composite material based on chitosan and marine mussel mucin and preparation method of hemostasis composite material
InactiveCN105477674AExcellent new hemostatic effectSoft textureAbsorbent padsBandagesBiologyBiomedical engineering
The invention relates to a hemostasis composite material based on chitosan and marine mussel mucin and a specific preparation method of the hemostasis composite material. The hemostasis composite material comprises a chitosan type hydrogel carrier and the marine mussel mucin guided into the chitosan type hydrogel carrier. The hemostasis composite material is soft in texture, high in application performance, applicable to hemostasis of body-surface wounds and bleeding of parts such as internal tissue and organs, and excellent in hemostasis effect.
Owner:北京铂铱电气科技有限公司 +2
Preparation method and application of mussel oligopeptide
InactiveCN103710414AAnti-aging effectImproves antioxidant activityHydrolysed protein ingredientsAntinoxious agentsBiotechnologyDrosophila ornatifrons
The present invention discloses a preparation method and an application of a mussel oligopeptide, and belongs to the field of marine biotechnology application. The preparation method comprises: adopting mytilus edulis as a raw material, and adopting an alkaline cold extraction method to obtain mussel protein from mussel freeze-drying powder; and carrying out composite enzymolysis of protein to obtain mixed polypeptides, carrying out ultra-filtration to obtain the oligopeptide, adopting aging mouse models to carry out a series of anti-aging animal experiments and behavioral experiments, and carrying out a drosophila survive experiment to prove aging delay activity of the mussel oligopeptide so as to create a new approach for achievement of scientific and high-value mussel utilization. Compared with the method in the prior art, the method of the present invention has the following advantages that: the mussel protein is extracted and prepared, the optimal protease and the preferred process are adopted to carry out enzymolysis purification on the mussel protein, decomposition on the mussel protein molecule structure due to the high temperature is avoided, the grading of the mussel polypeptide at the molecular weight level is achieved, and the obtained mussel oligopeptide has the pure and good aging delay effect.
Owner:JIANGSU UNIV
Mytilus coruscus antibacterial peptide and preparation method and application thereof
InactiveCN102020709AReduce savingsReduce or even eliminate accumulationAntibacterial agentsFungiAquaculture industryOpen reading frame
The invention discloses a mytilus coruscus antibacterial peptide. The name of the antibacterial peptide is myticin, and the open reading frame of cDNA gene coded by the antibacterial peptide has a special nucleotide sequence. The invention also discloses a preparation method and a eukaryotic expression vector of the mytilus coruscus antibacterial peptide and application thereof in antibiotic preparation. The antibacterial peptide provided by the invention can be used as a feed additive to substitute some antibiotics in the traditional feed and used in the aquaculture industry, thereby realizing green culture, reducing or even eliminating the accumulation of antibiotic in aquatic products, and improving the quality of the aquatic products; and the antibacterial peptide also can be used as novel biological antibiotic and used for treatment or prevention of bacterial disease.
Owner:ZHEJIANG OCEAN UNIV
Preparation technology of mytilus crassitesta lischlk polysaccharide compound with anti-tumour activity
The invention relates to the technical field of medicines and provides a new method for separating a polysaccharide compound from mytilus crassitesta lischlk produced in the East China sea and purifying the polysaccharide compound. The invention also provides application of the polysaccharide compound in preparation of an anti-tumour drug.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
Use of mussel polysaccharide in preparing anti-aging medicine or food
The invention relates to the technical field of medicament and discloses a new application of mussel polysaccharide separated from extract of marine life mussels in preparing anti-ageing medicament or foods. The mussel polysaccharide is extracted from fresh mussel meat of mytilus crassitestas in the East China Sea, can respectively improve activity of SOD and GSH-px in blood serum, livers and brain tissues and lower content of MDA. Therefore, the mussel polysaccharide has anti-ageing activity and can be used to prepare anti-ageing medicament or foods. The invention provides a new application to mussel polysaccharide which is helpful to explore and use marine life.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
Automatic processing production line for Mytilus coruscus
ActiveCN111713546AReduce human resource outputSave human effortBivalves processingMytilus coruscusWater flow
The invention provides an automatic processing production line for Mytilus coruscus, belongs to the technical field of fishery tools, and solves the technical problems of high labor intensity and lowefficiency in existing Mytilus processing. The automatic processing production line for the Mytilus coruscus comprises a conveyor belt and a driving motor driving the conveyor belt to operate, whereinan inclined directional conveying device is arranged on the side, close to an input end, of the conveyor belt; multiple fixing boxes capable of accommodating and fixing the Mytilus coruscus are placed on the conveyor belt at intervals, a meat removing device is arranged on the side, close to an output end, of the conveyor belt, a shell opening device is also arranged between the directional conveying device and the meat removing device, the shell opening device comprises a shell opening tool and a cut-off tool which are arranged vertically downwards, and the shell opening tool and the cut-offtool are arranged in the width direction of the conveyor belt side by side at an interval; and the meat removing device comprises a jet nozzle for jetting high-pressure water flows. The automatic processing production line is high in automation degree and high in work efficiency.
Owner:ZHEJIANG OCEAN UNIV
Preparation method of mussel antiallergic peptide and application of mussel antiallergic peptide to cosmetics
ActiveCN110638681AImprove extraction efficiencyHigh ingredient activityCosmetic preparationsToilet preparationsAllergic antiUltrafiltration
The invention belongs to the field of marine biological component extraction, and relates to a preparation method of a mollusc antiallergic extract and application of the mollusc antiallergic extractto cosmetics, in particular to a preparation method of a mussel antiallergic peptide and application of the mussel antiallergic peptide to the cosmetics, and application of molluscs, especially the mussel antiallergic extract as an effective component to preparation of medicines, skin-care products or / and the cosmetics. The preparation method comprises the steps of pretreatment, homogenization, ultra-high-pressure extraction, subcritical extraction, enzymolysis and ultrafiltration, and can further comprise the steps of vacuum concentration and drying. A normal-temperature ultra-high-pressure technology and a subcritical extraction technology are combined to be applied to preparation of the mussel antiallergic extract, the produced extract can have the characteristics that the extraction efficiency is high, the component activity is high, chain scission is uniform, and the molecular weight can be controlled within 3KD, and the content of small peptides in mussels can reach upmost to 89.79%; and the mussel extract has the excellent antiallergic capacity and the high anti-oxidation effect.
Owner:广州市尚梓化工科技有限公司
Artificial breeding method for Mytilus coruscus
InactiveCN102150636AWater temperature requirements dropThe breeding process is reasonableClimate change adaptationPisciculture and aquariaMytilus coruscusSalinity
The invention provides a artificial breeding method for Mytilus coruscus, which comprises the step of larval breeding with the water temperature of 14-21 DEG C and the salinity of 25-28. Water is changed once through siphonage or a method of discharging water from the bottom of a pool in the morning every day, and the total water change volume is gradually increased from 30 percent to 50 percent; bait is taken as algae and fed twice every day, namely, being fed once after water change in the morning, and being fed once more in the evening according to the density of algae in the cultivating water body, so as to satisfy the requirement on algae density. The method provided by the invention has the advantages that as the prior art is further researched, the requirement on water temperature in the larval breeding step is decreased, and the breeding process is more reasonable by optimizing other parameters, therefore, compared with the prior art, the energy consumption is low, and the bred young Mytilus coruscus is strong.
Owner:SHENGSI OCEAN TECH DEV SERVICE CENT
Mytilus edulis G-type lysozyme gene and recombinant protein and application thereof
ActiveCN103160526AHigh purityStrong inhibitory activityAntibacterial agentsPeptide/protein ingredientsBase JTotal rna
The invention relates to lysozyme, specifically to a Mytilus edulis G-type lysozyme gene and a recombinant protein and application thereof. The G-type lysozyme gene is represented by a base sequence of SEQ ID No. 1 in a sequence table. A recombination expression product of the G-type lysozyme gene can be used for preparing an antibacterial agent, an aquatic product antistaling agent or an aquatic product feed additive. Mytilus edulis G-type lysozyme in the invention can be prepared through the following steps: extraction of total RNA from Mytilus edulis infected with pathogens, purification of mRNA, preparation of a cDNA template solution, screening of the G-type lysozyme gene, gene cloning, construction of recombinant plasmid, expression of a recombinant gene and purification of the recombinant protein, and an amino acid sequence of the G-type lysozyme is represented by SEQ ID No. 2 in the sequence table. The G-type lysozyme belongs to a novel Mytilus edulis lysozyme and has powerful inhibitory activity on a variety of marine-derived Gram positive and negative pathogenic microorganisms.
Owner:YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
Partially acidic hydrolyzed compound of mytilus coruscus polysaccharides as well as preparation method and application of compound
InactiveCN104558242AGood antitumor activityOrganic active ingredientsAntineoplastic agentsChina seaMytilus coruscus
The invention relates to the technical field of medicines and provides a new partially acidic hydrolyzed compound of East China Sea mytilus coruscus polysaccharides. The invention also provides a preparation method and an application of the partially acidic hydrolyzed compound of the mytilus coruscus polysaccharides.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
Multi-linked star-shaped polymers and synthetic methods therfor
InactiveUS20110318394A1Inhibits and reduces growth of biofilmControl bleedingAntibacterial agentsOrganic active ingredientsPolymer scienceSynthesis methods
Owner:KNC NER ACQUISITION SUB
Mytilus coruscus multi-drug resistance protein Abcc -- novel marine biological pollution detection marker
InactiveCN109336959AStrong specificitySensitive biological responseMicrobiological testing/measurementFermentationMytilus coruscusMolecular level
The invention discloses a mytilus coruscus multi-drug resistance protein Abcc. The multi-drug resistance protein Abcc is a cloned gene, which is obtained by cloning a gene core fragment of mytilus coruscus Abcc by a gene cloning technology. The invention also discloses a novel marine biological pollution detection marker, which uses mytilus coruscus as a biological sample for detecting marine pollution, and uses the mytilus coruscus multi-drug resistance protein Abcc as a detection marker for marine pollution. The relative expression amount of a multi-drug resistance protein Abcc gene of the mytilus coruscus multi-drug resistance protein Abcc is the highest in digestive glands and gills, and a PCR reaction system for cloning can ensure the specificity of an amplification reaction and improve the PCR amplification efficiency. The detection marker provided by the invention has strong specificity, can directly take target cells or target molecules in organisms as reaction endpoints to carry out sensitive biological reactions at the molecular level, and has an early warning effect on marine pollutant exposure and toxicity effects.
Owner:ZHEJIANG OCEAN UNIV
Usage of potassium ions in controlling metamorphosis of mytilus coruscus larvae
InactiveCN103210857AIncrease perversion rateShorten seedling timeClimate change adaptationPisciculture and aquariaMytilus coruscusPotassium ions
The invention relates to a usage of potassium ions in promoting the metamorphosis of mytilus coruscus larvae and shortening the seed settlement time of the mytilus coruscus larvae and further relates to a usage of a potassium ion antagonist in inhibiting the metamorphosis of the mytilus coruscus larvae and a method for promoting or inhibiting the metamorphosis of the mytilus coruscus larvae. The usage and the method have the advantages that evidences prove that by the potassium ions, the metamorphosis rate of the mytilus coruscus larvae can be improved, and the seed settlement time of the mytilus coruscus larvae can be shortened, so that the potassium ions can be used for increasing the production success rate of mytilus coruscus seeds and shortening the production period; and meanwhile, cheap and nontoxic sylvite is suitable for large-scale seed production. The evidences also prove that the potassium ion antagonist can inhibit the metamorphosis of the mytilus coruscus larvae, and a novel way is provided to control marine contamination. The conclusion of the study is helpful in stating the settlement and metamorphosis mechanism of mytilus coruscus.
Owner:SHANGHAI OCEAN UNIV
Application of 2 (5H)-furanone in inhibition of marine bacterial microbial coating formation in reduction of juvenile mytilus coruscus adhesion
The invention provides an application of 2 (5H)-furanone in inhibition of marine bacterial microbial coating formation in reduction of juvenile mytilus coruscus adhesion, and the method for reducing juvenile mytilus coruscus adhesion by 2 (5H)-furanone comprises the following steps: carrying out enlarged culture on bacteria in a liquid culture medium to obtain an initial bacterial stock solution;after centrifuging, discarding the supernatant, mixing with sterilized filtered seawater, and resuspending to obtain a bacterial solution from which the culture medium is washed away; adding the bacterial liquid and 2 (5H)-furanone into a sterile culture dish containing a sterilized slide for bacterial microorganism coating culture, then adding sterilized filtered seawater to wash the slide to obtain a bacterial microorganism coating, transferring the bacterial microorganism coating into the sterile culture dish, and adding mytilus coruscus juvenile mollusk; according to the method, the quorumsensing inhibitor 2 (5H)-furanone is used for interfering with microbial film formation such as EPS biomass and a bacterial metabolism process so that attachment of mytilus coruscus juvenile mollusksis remarkably reduced, and a basis is provided for the field of biological pollution prevention.
Owner:SHANGHAI OCEAN UNIV
Method for ecologic configuration of oil production high-salt wastewater artificial wetland to realize up-to-standard operation in winter
ActiveUS20210403355A1Secondary recoveryIncrease contact areaWaste water treatment from quariesBiological treatment apparatusConstructed wetlandShrimp
A method for ecologic configuration of an oil production wastewater artificial wetland to realize up-to-standard operation in winter. When artificial wetland is utilized to treat oil production high-salt wastewater, ecologic configuration of subsurface and surface flow artificial wetland is modified to realize up-to-standard operation in winter. Subsurface flow artificial wetland is composed of soil matrix, water distribution pipe disposed on bottom of soil matrix, wrapped with water-permeable nonwoven cloth and configured to deliver wastewater, and reeds with root systems growing on an inner side of wall of water distribution pipe, stems growing on outer side of wall of water distribution pipe and length being greater than thickness of soil matrix; and surface flow artificial wetland is composed of soil matrix, reeds growing on matrix, water, winter aquatic salt-resistant cold-liking plants, block-stocked fishes, shrimps, crabs, mussels, Mytilus edulis, oysters or clams and artificial sand dam.
Owner:SINOPEC SHENGLI OILFIELD +2
Method for improving adhesion rate of juvenile mytilus coruscus
ActiveCN113068641AGood adhesionSimple stepsClimate change adaptationPisciculture and aquariaMicroorganismMytilus coruscus
The invention discloses a method for increasing the adhesion rate of juvenile mytilus coruscus. The method for increasing the adhesion rate of the juvenile mytilus coruscus mainly comprises the following steps of (1) obtaining algae species; (2) carrying out primary culture; (3) treating a substratum with benthic diatom; (4) carrying out large-scale culture; and (5) carrying out seedling throwing and seedling raising. The method for increasing the adhesion rate of the juvenile mytilus coruscus is simple in step and convenient to operate, culture conditions are easy to control, after proper algae species (algae species) are selected for culture, a polyethylene film is treated, a layer of firm microbial film capable of inducing attachment of mytilus coruscus planktonic larvae is formed on the surface of the polyethylene film, and the seedling culture conditions are strictly controlled, so that the adhesion rate of the juvenile mytilus coruscus is effectively increased, and a theoretical and practical basis is provided for seedling culture of the mytilus coruscus.
Owner:MARINE FISHERIES RES INST OF ZHEJIANG
Sea cucumber and abalone oligopeptide powder and preparation method thereof
PendingCN112335888AFast absorptionHigh biological potencyPeptide preparation methodsFermentationWhite blood cellAdjuvant therapy
The invention provides sea cucumber and abalone oligopeptide powder and a preparation method thereof, and belongs to the technical field of health care products. The sea cucumber and abalone oligopeptide powder comprises sea cucumber oligopeptide powder, abalone oligopeptide powder, cod collagen peptide powder, oyster oligopeptide powder, marine mussel oligopeptide powder, tussah pupa oligopeptidepowder and crude polysaccharide, wherein the ratio of the total amount of the sea cucumber oligopeptide powder, the abalone oligopeptide powder, the cod collagen peptide powder, the oyster oligopeptide powder, the marine mussel oligopeptide powder and the tussah pupa oligopeptide powder to the total amount of the sea cucumber oligopeptide powder, the abalone oligopeptide powder, the cod collagenpeptide powder, the oyster oligopeptide powder, the marine mussel oligopeptide powder, the tussah pupa oligopeptide powder and the crude polysaccharide is not less than 90%. The sea cucumber and abalone oligopeptide powder can improve immunity, resist fatigue, prevent tumor cancer, and regulate blood pressure and blood fat, has an adjuvant therapy effect on diabetes, and can delay aging, facilitate sleep, delay occurrence of life spots, tonify kidney, strength bodies, resist radiation and improve the phagocytic activity of white blood cells.
Owner:四川必信科技有限公司
Artificial seawater composition, Shewanella loihica cultured by same and application of thereof
PendingCN110982747AImprove the breeding effectBacteriaClimate change adaptationDisodium glycerophosphateVitamin B12
The invention discloses an artificial seawater composition, Shewanella loihica cultured by the artificial seawater composition and an application of the Shewanella loihica. The composition is calculated by 1000mL of distilled water, and also contains 28 g of sodium chloride; 7g of magnesium sulfate heptahydrate, 4g of magnesium chloride hexahydrate, 0.70 g of potassium chloride, 1.11 g of calciumchloride, 0.10 g of sodium nitrate, 0.01 g of potassium phosphate, 0.014 g of beta-disodium glycerophosphate pentahydrate; 0.15 g of sodium silicate nonahydrate, 0.10 mL of vitamin B12 with a concentration of 2 [mu] g / mL, 1 mL of vitamin B7 with the concentration of 1 [mu] g / mL, 1 mL of vitamin B1 with the concentration of 100 [mu] g / mL, 10 mL of pIIMetals, 10 mL of S2Metals, 1 g of Tris and 0.10g of nitrilotriacetic acid. The effect of inducing juvenile mytilus coruscus to be attached by a biofilm formed by Shewanella loihica cultured by a culture medium is similar to that of natural seawater, and the culture medium has a guiding effect on culture and breeding of mytilus coruscus.
Owner:SHANGHAI OCEAN UNIV
Fraction B of Sargassum Heinzii Ethyl Acetate Extract and Its Preparation Method and Application in Biocontrol of Marine Fouling
InactiveCN108477224BWide variety of sourcesEasy separation and preparationBiocideAntifouling/underwater paintsFood chainEthyl acetate
The invention discloses an ethyl acetate extract separated component B of Sargassum henslouianum and its preparation method and application in marine fouling biological prevention and removal. The ethyl acetate extract separated component B of Sargassum henslouianum in a low dosage coats the surface of the solid and has an obvious effect of inhibiting the attachment of the barnacle and the mussellarvae, and thus the ethyl acetate extract separated component B can be used for preparation of a marine fouling biological prevention and removal agent. The ethyl acetate extract separation componentB of Sargassum henslouianum is selected from Sargassum henslouianum, is a natural organic compound, does not pollute the water environment, is transported through the food chain to cause its enrichment in the organism, is environmentally friendly and safe, effectively inhibits the attachment of marine organisms, does not contain heavy metal elements such as copper and tin, has good social benefits from the perspective of environmental protection, and has a wide range of sources, is easy to separate and prepare, is suitable for large scale production, has a large promotion potential and has agood application prospect in marine fouling biological prevention and removal.
Owner:GUANGDONG OCEAN UNIVERSITY
Application of ethanol to regulating and controlling mytilus coruscus larva metamorphosis
InactiveCN103210856AIncrease perversion rateShorten seedling timeClimate change adaptationPisciculture and aquariaAnimal scienceMytilus coruscus
The invention relates to an application of ethanol to accelerating mytilus coruscus larva metamorphosis and / or shortening spatfall time of mytilus coruscus larvae, and further relates to a method of improving a mytilus coruscus larva metamorphosis rate or shortening a mytilus coruscus cultivating period. The method comprises the following steps of putting the mytilus coruscus larvae into an ethanol solution with the concentration of 0.1-1 M to carry out exposure treatment for 1-24 hours; and then transferring into a utensil containing seawater to cultivate. According to the application and the method disclosed by the invention, the ethanol can obviously improve the mytilus coruscus larva metamorphosis rate and shorten the mytilus coruscus cultivating period and the cost of the ethanol is low, so that the ethanol has a wide application prospect in a mytilus coruscus cultivation industry; and the application further provides suitable dosage, treating time and induction time when the ethanol is used as an inductor to improve the mytilus coruscus larva metamorphosis rate; and under the condition, the induction efficiency is high, the effect is stable and specifications of obtained young shellfishes are the same, so as to provide guidance to production practices.
Owner:SHANGHAI OCEAN UNIV
Method for ecologic configuration of oil production high-salt wastewater artificial wetland to realize up-to-standard operation in winter
ActiveUS11383997B2Secondary recoveryIncrease contact areaWaste water treatment from quariesBiological treatment apparatusConstructed wetlandShrimp
A method for ecologic configuration of an oil production wastewater artificial wetland to realize up-to-standard operation in winter. When artificial wetland is utilized to treat oil production high-salt wastewater, ecologic configuration of subsurface and surface flow artificial wetland is modified to realize up-to-standard operation in winter. Subsurface flow artificial wetland is composed of soil matrix, water distribution pipe disposed on bottom of soil matrix, wrapped with water-permeable nonwoven cloth and configured to deliver wastewater, and reeds with root systems growing on an inner side of wall of water distribution pipe, stems growing on outer side of wall of water distribution pipe and length being greater than thickness of soil matrix; and surface flow artificial wetland is composed of soil matrix, reeds growing on matrix, water, winter aquatic salt-resistant cold-liking plants, block-stocked fishes, shrimps, crabs, mussels, Mytilus edulis, oysters or clams and artificial sand dam.
Owner:SINOPEC SHENGLI OILFIELD +2
Method for repairing seaweed field by culturing shellfish-algae complex
ActiveCN113508767AAvoid growth effectsPromote repairClimate change adaptationPisciculture and aquariaWild speciesSporeling
The invention provides a method for repairing a seaweed field by culturing a shellfish-algae complex. The method comprises the following steps of collecting wild species algae before sargassum vachellii and sargassum horneri are mature, temporarily culturing the wild species algae in an outdoor water tank, and placing an oxygenation pump for temporary culture; washing the seed algae with flowing water, collecting the sargassum horneri and sargassum vachellii juvenile sporophytes, and moving to a collecting barrel; evenly laying mytilus coruscus at the bottom of the collecting barrel, smearing spore liquid on the surface of the mytilus coruscus through a brush, slightly adding seawater along the barrel wall, and placing the oxygenation pump outdoors for the temporary culture; after growing the sargassum horneri and the sargassum vachellii to 5-10 centimeters on the surfaces of the mytilus coruscus, separating the piled mytilus coruscus one by one, and putting the shellfish-algae complex into an algae field to restore a sea area. According to the method, attachment of the juvenile sporophytes is completed in the culture pond firstly, then secondary attachment is rapidly achieved with the help of the mytilus coruscus, the influence of sediments and illumination intensity on growth of the juvenile sporophytes can be effectively avoided, and the finally-grown shellfish-algae complex can better repair the algae field repair sea area.
Owner:SHANGHAI OCEAN UNIV
An artificial fish reef with discarded mussel shells as the main body and its preparation method
ActiveCN108353836BLow costLarge amount of energy saving and emission reductionClimate change adaptationPisciculture and aquariaEcological environmentOyster
Owner:NINGBO UNIV
Partial acid hydrolysis compound of mussel polysaccharide and its preparation method and application
InactiveCN104558242BGood antitumor activityOrganic active ingredientsAntineoplastic agentsPartial acid hydrolysisAcid hydrolysis
The invention relates to the technical field of medicines and provides a new partially acidic hydrolyzed compound of East China Sea mytilus coruscus polysaccharides. The invention also provides a preparation method and an application of the partially acidic hydrolyzed compound of the mytilus coruscus polysaccharides.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
Application of oyster peptide in promoting marine shewanella to induce juvenile mytilus coruscus to adhere
The invention discloses application of oyster peptide in promoting marine shewanella to induce juvenile mytilus coruscus to adhere. The marine shewanella is preserved in the China General Microbiological Culture Collection Center, the preservation number is CGMCC No: 9798, the concentration of the oyster peptide is 0.01-1 mg / mL, and the oyster peptide is oyster oligopeptide with the oligopeptide mass percentage content not lower than 65% and the molecular weight smaller than 1 kDa. The oyster peptide has the promoting effect on inducing juvenile mytilus coruscus to adhere through the marine shewanella, aquaculture of mytilus and stability of mytilus populations in the ocean are facilitated, and the oyster peptide has important significance in exploring the juvenile mytilus coruscus adhering mechanism and cultivating and breeding of mytilus coruscus.
Owner:SHANGHAI OCEAN UNIV
A kind of preparation method of mussel oligosaccharide and its product and application
ActiveCN107227327BHigh yieldSimple processOrganic active ingredientsMetabolism disorderBiotechnologyAmylase
The invention provides a method for preparing Mytilus edulis oligosaccharides. The method comprises the following steps: dissolving Mytilus edulis polysaccharide powder in distilled water, adding alpha-amylase to carry out enzymolysis on principal chains of Mytilus edulis polysaccharides, adding saccharomycete cells into the enzymolysis solution to remove monosaccharides, disaccharides and trisaccharides, and carrying out activated-charcoal purification to remove undegraded polysaccharides, thereby obtaining the Mytilus edulis oligosaccharides with the polymerization degree of 4 to 8. The method for preparing the Mytilus edulis oligosaccharides, provided by the invention, has the characteristics of high yield, simple process, moderate conditions, easiness in amplification, and the like. Meanwhile, the invention further provides application of the Mytilus edulis oligosaccharides in preparation of blood fat regulating drugs or food. The Mytilus edulis oligosaccharides have a prospect for further research and development of blood fat lowering drugs and health-care food.
Owner:SHANDONG ACADEMY OF PHARMACEUTICAL SCIENCES +2
Ethyl acetate extract separated component B of Sargassum henslouianum and its preparation method and application in marine fouling biological prevention and removal
InactiveCN108477224AWide variety of sourcesEasy separation and preparationBiocideAntifouling/underwater paintsFood chainBiofouling
The invention discloses an ethyl acetate extract separated component B of Sargassum henslouianum and its preparation method and application in marine fouling biological prevention and removal. The ethyl acetate extract separated component B of Sargassum henslouianum in a low dosage coats the surface of the solid and has an obvious effect of inhibiting the attachment of the barnacle and the mussellarvae, and thus the ethyl acetate extract separated component B can be used for preparation of a marine fouling biological prevention and removal agent. The ethyl acetate extract separation componentB of Sargassum henslouianum is selected from Sargassum henslouianum, is a natural organic compound, does not pollute the water environment, is transported through the food chain to cause its enrichment in the organism, is environmentally friendly and safe, effectively inhibits the attachment of marine organisms, does not contain heavy metal elements such as copper and tin, has good social benefits from the perspective of environmental protection, and has a wide range of sources, is easy to separate and prepare, is suitable for large scale production, has a large promotion potential and has agood application prospect in marine fouling biological prevention and removal.
Owner:GUANGDONG OCEAN UNIVERSITY
Mussel-sourced biological adhesive for stomach recovery and preparation method thereof
The invention discloses a mussel-sourced biological adhesive for stomach recovery and a preparation method thereof. According to the mussel-sourced biological adhesive, mytilus coruscus or perna viridis which is abound in the southeastern coast of China is used as a material and adductor muscle with the thickness of no more than 4mm and ligaments and shells thereof are innovatively used as extracting objects; the extracting objects are extracted to obtain the biological adhesive. According to the technology disclosed by the invention, 1.06g of a crude extract adhesive and 0.42g of a water-soluble adhesive can be extracted from each 30 mussels averagely; in a whole preparation process, only less urea solution is needed; the mussel-sourced biological adhesive is convenient to prepare and low in cost and the preparation operation is convenient. The mussel biological adhesive prepared by the method disclosed by the invention has the characteristics of high yield, low cost, good biocompatibility, good adhesion effect and the like, also has a relatively good waterproof performance and has a wide market prospect.
Owner:SOUTHERN MEDICAL UNIVERSITY
Use of sulfitobacterr sp. in inducing adhesion of young mytilus coruscus
The invention provides use of sulfitobacter sp. in inducing adhesion of young mytilus coruscus. Sulfitobacter sp.G213-c has the preservation number of CCTCC NO:M 2019806. The invention discloses use of a microbial film formed by the sulfitobacter sp. in inducing adhesion of young mytilus coruscus. An induction process comprises the following steps: separating and purifying sulfitobacter sp. to obtain purebred sulfitobacter sp.; carrying out inoculated culture on the purebred sulfitobacter sp., and precipitating and washing to obtain a suspended bacteria solution; and adding sterilized seawaterfor culturing to obtain a microbial film and performing an induction culture on glass slides attached with the microbial film and the young mytilus coruscus. Therefore, the microbial film formed by the sulfitobacter sp. can induce adhesion of young mytilus coruscus, an induction activity of the microbial film with different bacterium initial densities on the young mytilus coruscus is different, and the sulfitobacterr sp. has important significance on artificial culture of the mytilus coruscus.
Owner:SHANGHAI OCEAN UNIV
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