129 results about "Euphausia" patented technology

The invention relates to antarctic krill peptide with umami and an antarctic krill peptide mixture as well as a preparation method and application thereof. Specifically, the amino acid sequence of the euphausia superba peptide is shown as any one of SEQ ID NO: 1-5. The euphausia superba peptide mixture with delicate flavor is obtained by carrying out enzyme digestion treatment on an euphausia superba peptide solution by using incision enzyme, excision enzyme and freshness enhancing enzyme and harvesting supernate. Molecular docking simulation shows that the euphausia superba peptide disclosed by the invention can be combined with a delicate flavor receptor T1R1 / T1R3. The Antarctic krill peptide and the Antarctic krill peptide mixture can be used for development of umami seasonings, and a new idea is provided for development of marine seasonings.

The invention discloses a calcium-containing antarctic krill oligopeptide nutritional composition for promoting bone cell growth and application thereof, and belongs to the technical field of functional foods.The calcium-containing antarctic krill oligopeptide nutritional composition is composed of antarctic krill oligopeptide and a calcium compound, and the mass ratio of the antarctic krill oligopeptide to the calcium compound is (0.5-5): 1; or the composition is composed of the euphausia superba oligopeptide, the calcium compound and the vitamin D, and the mass ratio of the euphausia superba oligopeptide to the calcium compound to the vitamin D is (0.5-5): 1: (2.5 * 10 <-5 >)-(15 * 10 <-5 >); the mass of the calcium compound is calculated according to the content of the calcium element in the antarctic krill oligopeptide; the antarctic krill oligopeptide is obtained by treating antarctic krill, antarctic krill powder or defatted antarctic krill powder by utilizing an enzymolysis method; the content of a peptide fragment with the molecular weight of less than 1000Da in the antarctic krill The raw materials of the nutritional composition are easy to obtain, the safety is high, and the nutritional composition can be used for preparing products with the effect of promoting bone cell growth.

The invention discloses an Antarctic krill yield analysis system and method based on multi-source big data, and relates to the technical field of marine fishery. The system comprises the following components: a data acquisition and management module, which acquires Antarctic sea area ocean current, ocean environment, ocean food chain and ecosystem structure data through satellite remote sensing, an ocean monitoring station and a scientific research and investigation ship, and stores the data in a distributed database after preprocessing; according to the method, multi-source big data from satellite remote sensing, an ocean monitoring station, a scientific research and investigation ship and the like are integrated, the influence of various complex factors such as ocean current change, ocean environment parameters, food chain dynamic balance and ecological system structure functions on the yield of the euphausia superba is comprehensively considered, and a fluid dynamic model and a numerical simulation technology are utilized; and by combining a high-precision ocean current simulation result, the krill yield fluctuation under different ocean current scenes can be more accurately predicted, and a scientific and prospective decision basis is provided for a fishery production department.

The invention discloses a preparation method of liposome for encapsulating euphausia superba oil, and belongs to the field of euphausia superba oil. Through material selection and hierarchical structure design, starch octenyl succinate, sodium alginate and pea protein are screened as composite wall materials, and the materials can achieve a synergistic effect on the molecule-interface-micro-nano scale to delay lipid oxidation, control the targeted release characteristic of active ingredients and improve the absorption efficiency of fat-soluble ingredients. Moreover, the liposome raw material of the euphausia superba oil is screened, and the liposome with low particle size and high stability is prepared.

The invention discloses microcapsule powder for covering the oil smell of euphausia superba oil and a preparation method of the microcapsule powder, and belongs to the field of euphausia superba oil processing. The microcapsule powder is composed of 50-75% of OSA starch, 10-30% of euphausia superba oil, 3-20% of sodium alginate, 1-10% of succinic acid and 0.5-5% of calcium hydrophosphate, during preparation, the OSA starch is gelatinized and then sheared and homogenized with the euphausia superba oil to obtain a miniemulsion, the succinic acid, the sodium alginate and the calcium hydrophosphate are prepared into a mixed solution, the mixed solution is mixed with the miniemulsion in proportion, and spray drying is performed to obtain a finished product. An OSA starch-sodium alginate double-wall material system is adopted, a compact cross-linked layer is formed through pH response, peculiar smell substances such as trimethylamine can be completely masked, the astaxanthin retention rate is up to 95.14%, the embedding rate reaches 89.48%, krill oil oxidation is effectively inhibited, krill oil is converted into powder, the stability and the sensory property are improved, application of krill oil in the food field is widened, the technology is simple, and the method is suitable for industrial production. The method is suitable for industrial production.

The invention provides an intelligent retracting, releasing and self-cleaning system and method for an euphausia superba fishing truss. The system comprises a truss structure, a recognition module, a cleaning module, a monitoring module and a control module. The truss structure can be connected to the ship end in a multi-direction retractable mode and is used for pulling an underwater net. The identification module is mounted at the front end part of the truss structure and is used for identifying obstacles; the monitoring module is used for monitoring the winding and unwinding length of an operation rope of the truss structure; the cleaning module, the recognition module and the monitoring module are electrically connected with the control module; the control module is used for controlling accurate positioning of the truss structure according to monitoring information of the monitoring module and controlling folding and unfolding actions of the truss structure and cleaning actions of the cleaning module according to identification information of the identification module. The system can monitor the folding and unfolding state of the truss in real time and quickly feed back when encountering a foreign matter, so that measures can be taken in time; and a self-cleaning mechanism is also integrated, so that the foreign matter attachment and blockage risks are reduced, and the reliability and durability of the system are improved.

The invention relates to the field of euphausia superba fishing boat design and manufacture, in particular to an euphausia superba boat truss automatic folding and unfolding system which comprises a truss, a driving device, a hydraulic system and an intelligent control system. Rapid unfolding and retracting of the truss are achieved through equipment such as the rotary truss, the thrust oil cylinder and the steel wire rope winch, flexible operation of a ship under the complex sea condition is facilitated, and the fishing efficiency is improved; the automation degree is high, the difficulty and complexity of manual operation are reduced, and the long-term operation cost is reduced. The intelligent control system can monitor the environment condition and the state of the truss in real time, it is guaranteed that unfolding or retracting operation is not executed under the unsuitable condition, and therefore safe operation of equipment and safety of personnel are guaranteed.

The invention provides a feed for increasing dark red body color of goldfish and a preparation method of the feed, and relates to the field of fish feeds. The feed comprises the following raw materials in percentage by mass: 1-20% of fish meal, 5-20% of euphausia superba powder, 5-30% of corn flour, 2-20% of chrysanthemum powder, 10-30% of flour, 10-20% of vital gluten, 1-5% of bee pollen, 1-10% of carrot powder, 3-20% of chili meal, 0.1-3% of astaxanthin, 1-10% of spirulina, 1-10% of haematococcus pluvialis, 1-10% of phaffia rubra, 1-8% of fish oil and 0.1-3% of choline chloride. 0.01-3% of composite vitamins and 0.01-5% of composite minerals. After the feed is fed for a long time, the red brilliance and the brightness of the body color of the dark red goldfish can be improved, and the dark red goldfish can present a more beautiful swimming posture and a ruddy color.

The invention discloses a feed for promoting gonad development of sturgeons and a preparation method of the feed. Comprising the following raw materials: 35-40 parts of fish meal, 13-17 parts of fermented soybean meal, 5-10 parts of chicken meal, 3-5 parts of corn protein powder, 7-12 parts of a compound additive, 4-8 parts of a plant extract, 5-8 parts of cuttlefish meal, 3-6 parts of euphausia superba meal, 3-5 parts of shell powder, 5-10 parts of fish oil, 3-5 parts of spirulina, 3-4 parts of microcrystalline cellulose, 1.5-2.5 parts of fumaric acid, 2-3 parts of soybean lecithin and 1.5-2 parts of monocalcium phosphate. And 0.8 to 1.1 parts of a compound premix. According to the feed, the sturgeons can obtain the most sufficient nutrition in the gonad development stage, so that gonad development is better promoted, the egg laying amount of the sturgeons can be increased, and the nutritional value and quality of eggs can be improved.

The invention belongs to the field of breeding of special aquatic products, and particularly relates to a bionic nutrient enrichment micro-capsule for jellyfish offspring seeds as well as a preparation method and application of the bionic nutrient enrichment micro-capsule. The capsule core is prepared from fish soluble powder, enzymolysis sea cucumber viscera powder, enzymolysis kelp powder, euphausia superba powder, scallop skirt powder, chlorella powder, schizochytrium limacinum powder, haematococcus pluvialis powder, diatomite, taurine, yeast wall-broken powder, disodium nucleotide, chondroitin sulfate, multivitamins and sodium carboxymethyl cellulose; the capsule wall consists of crab meat powder, fairy shrimp egg powder, L-glutamic acid, chitosan, sodium alginate, calcium glycinate, enzymolysis soybean protein and whey protein powder. According to the food intake requirements of the jellyfish offspring seeds, the superfine nutritional micro-capsules and the granular nutritional micro-capsules suitable for the jellyfish offspring seeds of different specifications are prepared.

The invention relates to the technical field of allergen proteins and antigen epitopes, and discloses an Antarctic krill allergen and an identification method and application of the Antarctic krill allergen, the Antarctic krill allergen and the antigen epitopes are used for identifying the Antarctic krill allergen and the antigen epitopes, and the identification method comprises the steps of Antarctic krill crude protein extraction, Antarctic krill allergen screening and identification. Extracting an antarctic krill map and verifying allergens; analyzing the homology of the euphausia superba and analyzing the conformation of tropomyosin of the euphausia superba; carrying out euphausia superba tropomyosin epitope analysis; and allergens and epitopes of the euphausia superba are applied. According to the invention, the antarctic krill allergen is identified as tropomyosin, eight antigen epitopes of the antarctic krill tropomyosin allergen are ascertained, the stability change rule in the hot working process is analyzed by utilizing the identified antarctic krill allergen and antigen epitopes, and the result shows that the stability of the antarctic krill allergen is greatly improved under the processing condition of 140 DEG C or below. And the conformation of the tropomyosin of the euphausia superba and the binding capacity of the tropomyosin with protein immune globulin E or immune globulin G are kept stable.

1. Name of the designed product: packing bottle (Antarctic krill oil). 2. Use of the designed product: for product packing. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best indicating the design points: front view.

The invention discloses a method for preparing high-quality euphausia superba powder by using euphausia superba shelling byproducts, which comprises the following steps: shelling euphausia superba cooked at low temperature, taking the euphausia superba shell byproducts, performing low-temperature vacuum drying until the moisture is below 15%, and crushing and sieving the obtained euphausia superba crisp substances to obtain the high-quality euphausia superba powder. According to the method disclosed by the invention, the euphausia superba unshelling byproducts are turned into wealth from waste, the high-quality euphausia superba meal which is superior to the traditional whole euphausia superba meal in key indexes is successfully prepared through precise process control, and a stable and excellent special raw material basis is provided for the high-end euphausia superba oil industry. According to experimental screening, the krill meal with the high astaxanthin content is obtained at the cooking temperature of 70 DEG C, the cooking time of 25 min and the vacuum drying temperature of 60 DEG C, the astaxanthin content reaches up to 4670.82 mu g / g oil and is far higher than that of krill meal prepared in the prior art, and breakthrough progress is achieved.

The invention relates to the field of polypeptides, in particular to an Antarctic krill active peptide and a preparation method and application thereof. The sequence of the euphausia superba active peptide comprises at least one of LFP, FDL and FSL. The Antarctic krill active peptide has a good anti-inflammatory effect and can be used for preparing the Antarctic krill selenium chelating peptide, and the prepared Antarctic krill selenium chelating peptide has a good effect in the aspect of treating ulcerative colitis.

The utility model discloses a cleaning device for euphausia superba, and mainly relates to the field of frozen shrimp cleaning. Comprising an outer shell, a cleaning frame is rotationally connected to the interior of the outer shell, a plurality of through holes are formed in the side wall of the cleaning frame, a plurality of cleaning nozzles are arranged on the side wall of the outer shell, a plurality of water outlets are formed in the bottom of the outer shell, and a feeding channel and a discharging channel which communicate with each other are formed in the upper end and the lower end of the outer shell correspondingly; the feeding channel and the discharging channel are both connected with power plates in a sliding mode, a feeding port and a discharging port are symmetrically formed in the cleaning frame, the feeding port and the discharging port are both connected with baffles in a sliding mode, and compression springs are arranged between the baffles and the cleaning frame. The frozen shrimp cleaning device has the advantages of being capable of solving the problems that existing frozen shrimp cleaning is low in efficiency and residual water after cleaning affects subsequent drying procedures, improving frozen shrimp cleaning efficiency, being more thorough in impurity cleaning, reducing residual water after cleaning and reducing cost of subsequent drying treatment of frozen shrimps.

The invention relates to application of specific primers in identification of euphausia superba oil and other oils and fats, and belongs to the technical field of food chemistry and analysis, the primers are F: 5 '-GTATTTTGACCGTGCAAAGG-3' and R: 5 '-ATAGGGTCTTATCGTCACCT-3', and the other oils and fats are salmon, tuna, cod and soybean oils and fats. According to the method, the enrichment of biological information substances in the euphausia superba oil and the separation of interference terms are realized by utilizing ionic liquid and a phase separation technology, so that the rapid identification of the euphausia superba oil is realized.

The application provides a Euphausia superba fishing truss intelligent winding and unwinding and self-cleaning system and method, the system comprising a truss structure, an identification module, a cleaning module, a monitoring module and a control module; the truss structure is connected to the end of a ship and can be wound and unwound in multiple directions to pull underwater nets; the identification module is installed at the front end of the truss structure to identify obstacles; the monitoring module is used to monitor the winding and unwinding length of the working rope of the truss structure; the cleaning module, the identification module and the monitoring module are electrically connected to the control module; the control module is used to control the accurate positioning of the truss structure according to the monitoring information of the monitoring module, and control the winding and unwinding action of the truss structure and the cleaning action of the cleaning module according to the identification information of the identification module. The system can monitor the winding and unwinding state of the truss in real time, and quickly feedback when encountering foreign matter, so that timely measures can be taken; the self-cleaning mechanism is also integrated, which reduces the risk of foreign matter attachment and blockage, and improves the reliability and durability of the system.

The invention relates to the technical field of marine food preparation, and discloses minced Antarctic krill with a high astaxanthin retention rate and a preparation method thereof.The preparation method comprises the steps that Antarctic krill is pretreated and then soaked in composite antioxidant liquid for composite antioxidant treatment, and then enzyme inhibition liquid is atomized and sprayed for low-temperature enzyme inhibition treatment; grinding at low temperature to obtain minced shrimps; and mixing the minced shrimps with the anti-oxidation emulsion, carrying out secondary anti-oxidation treatment, and then carrying out freezing and shaping. The euphausia superba is subjected to anti-oxidation treatment through the composite anti-oxidation liquid and the anti-oxidation emulsion, and the problem that the retention rate of astaxanthin is low due to the fact that the astaxanthin is sensitive to oxygen and metal ions and prone to oxidation is solved; meanwhile, the low-temperature enzyme inhibition treatment improves the elasticity and the viscosity of the minced shrimps and also reduces the loss of protease-mediated astaxanthin; the low-temperature grinding treatment not only protects the molecular structure integrity of astaxanthin, but also improves the separation rate of crustacean fragments.

1. The name of this design product: Packaging box (Antarctic krill oil). 2. Purpose of this design product: as packaging for Antarctic krill oil. 3. The key design points of this product are the combination of shape, pattern and color. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. The design for which protection is sought includes color.

The invention relates to the field of euphausia superba fishing processing boats, in particular to a stress testing method for an euphausia superba boat trawl truss. Through theoretical calculation and finite element analysis, weak stress points and large strain points of a truss structure are found, a load test method and a stress monitoring method are reasonably planned according to the structural characteristics and stress working conditions of the truss, and after stress and strain data information is obtained through tests, the stress and strain data information is obtained. And comparing the test result with theoretical calculation and finite element analysis, and finally verifying whether the result is consistent or not. Compared with a traditional method, the method has the advantages that the test period is remarkably shortened, and the test cost is reduced; through an accurate strain measurement system and an advanced data analysis means, the authenticity and reliability of a test result are ensured; potential problems of the truss are found in time, prevention and improvement measures are taken in advance, the safety of the truss is improved, and the service life of the truss is prolonged.

The invention relates to the technical field of automatic control of ocean fishery fishing equipment, and discloses an automatic euphausia superba fishing control system integrated with an automatic trawl control system, and the system comprises a multi-dimensional state perception and fusion module which is used for collecting operation parameters to construct a real-time state vector; a sea condition prediction and brake bias module that determines a baseline hydraulic brake bias value based on the real-time state vector; the hybrid braking decoupling and distribution module decouples the total demand torque into a frequency conversion and hydraulic instruction in combination with the offset value and the resistance thermal state; the hydraulic system standby management module is used for generating a pump set start-stop instruction according to the hydraulic instruction and the pressure of the energy accumulator; and the cooperative control instruction execution interface module converts the instruction into a physical signal and issues the physical signal. By means of the hybrid braking decoupling and distribution module, when it is detected that the thermal load of the braking resistor approaches the threshold value or encounters large surges, part of or all braking requirements can be transferred to a hydraulic system in a seamless mode, and the power burden of the electrical side is forcibly reduced.

The invention discloses broadside type Antarctic krill stringer trawl operation water layer adjusting truss equipment, and relates to the technical field of fishery trawl, the broadside type Antarctic krill stringer trawl operation water layer adjusting truss equipment comprises a stringer assembly, the stringer assembly is provided with a stringer plate, the stringer plate is of a plate body structure, the stringer plate is provided with a rotating rod body penetrating through the two ends of the stringer plate, and the rotating rod body is connected with the stringer plate. According to the scheme, the technical problem that in the prior art, depth self-adjusting truss rod equipment is too complex can be solved, and the adjusting stability of the equipment in water can be guaranteed.

The utility model belongs to the technical field of extraction and concentration equipment, and particularly relates to euphausia superba oil high-phospholipid extraction and concentration equipment which comprises an extraction and concentration equipment main body, a heating seat is arranged on the outer side of the extraction and concentration equipment main body, a cover is arranged at the upper end of the extraction and concentration equipment main body, and stirring equipment is arranged on the cover. According to the extraction and concentration equipment disclosed by the utility model, residues in the extraction and concentration equipment main body can be collected by arranging the filter screen, and the filter screen can be driven to slide in the extraction and concentration equipment main body by arranging components such as the threaded rod and the connecting rod, so that the residues are driven to move to the upper end of the inner side of the extraction and concentration equipment main body; the problems that when the euphausia superba oil high-phospholipid extraction and concentration equipment is used, the residues in the extraction and concentration equipment main body are inconvenient to take out, and cleaning is inconvenient are solved.

The invention relates to the field of mixture three-phase separation, and provides a shipborne three-phase separation recycling system and method.The system comprises the steps that a horizontal spiral centrifugal machine conducts three-phase separation on a fed euphausia superba solid-liquid mixture, and a first solid-phase output matter, a first liquid-phase output matter and a first oil-phase output matter are obtained; the disc centrifuge performs three-phase separation on the first liquid phase output substance and a third liquid phase output substance from the extruder to obtain a second solid phase output substance, a second liquid phase output substance and a second oil phase output substance, wherein the second solid phase output substance, the second liquid phase output substance and the second oil phase output substance are obtained from the second oil phase output substance; the first solid-phase output matter and the second solid-phase output matter are compressed, sheared and dewatered by the extruding machine, and a target euphausia superba solid matter and a third liquid-phase output matter are obtained; the heat exchange flocculation assembly is used for heating, flocculating and filtering the second liquid phase output substance to obtain the target protein phospholipid complex. The target protein phospholipid complex is obtained by fully utilizing the liquid-phase output substance, and the utilization rate is increased.

The present application relates to the technical field of Antarctic krill oil extraction, and discloses an antioxidant Antarctic krill oil extraction device and method, which comprises an extraction box, an ultrasonic generator is fixedly installed on the bottom wall of the extraction box, a door-shaped frame is fixedly installed at the top end of the extraction box, a crushing cylinder is fixedly installed through the top end of the door-shaped frame, a support frame is fixedly installed at the top end of the door-shaped frame, a feeding hopper is fixedly installed through the top end of the support frame, through holes are formed through the top end and the bottom end of the crushing cylinder, and support plates are fixedly installed on the inner walls of the opposite sides of the extraction box. When the material box moves back and forth, the stirring rod installed at the bottom of the material box is synchronously moved, the transmission gear installed at the bottom end of the stirring rod rolls on the rack, so that the transmission gear can drive the stirring rod to rotate, the stirring rod can scatter the Antarctic krill crushed powder in the material box, the Antarctic krill crushed powder is prevented from being bonded together, and the extraction effect of the Antarctic krill oil is further improved.

The invention discloses an integrated production method of various seasonings by fully utilizing defatted euphausia superba powder, which comprises the following steps: firstly, using defatted euphausia superba powder for soy sauce production, and then using soy sauce by-product soy sauce residue for seasoning production, thereby creating a full utilization technical system of the defatted euphausia superba powder in the field of seasonings. All the parts are synergistic, so that the antarctic krill soy sauce, the semi-solid seasoning and the liquid seasoning are integrally produced, the full utilization of the defatted antarctic krill powder is realized, and the variety of the seasoning is innovated.

The invention discloses a hydrodynamic heavy hammer at the two ends of a foot line of an euphausia superba trawl and a using method of the hydrodynamic heavy hammer, and belongs to the technical field of trawl fishing equipment.The hydrodynamic heavy hammer comprises a hammer body with sinking force, the hammer body is provided with a first surface and a second surface which are oppositely arranged up and down, and the first surface and the second surface are each of a cambered surface structure; the width of one end of the section of the hammer body is reduced towards the other end; the first surface is provided with a short line hanging ring, and a short line is connected to the short line hanging ring. The radius of curvature of the first surface is greater than the radius of curvature of the second surface. Continuous opening and stable shape of the net opening in the fishing process can be ensured, and the problems that the height of the net opening is reduced and the sea sweeping area is reduced when the superficial layer krill is fished at a high dragging speed are solved.

The invention belongs to the technical field of trawl stringers, and discloses an euphausia superba tracking type stringer based on gas self-adaptive regulation and control, which comprises a ship body, a mounting frame is fixedly connected to the edge of the ship body, an outer sleeve rod is fixedly connected to the mounting frame through a plurality of steel cables, and a trawl is fixedly connected to the bottom of the outer sleeve rod. Through cooperation of structures such as a guide rod, an elastic water ball and a hollow water bag, diffusion and concentration of weight distribution of a truss rod in the inflation and deflation process of the elastic inner containers are facilitated, the guide rod is adopted for positioning the pair of elastic inner containers to float in the middle, the uniformity of gas distribution of the truss rod is enhanced, and the trawl net is balanced; the hollow water bag is synchronously extruded, liquid is output outwards from the two sides to enter the elastic water ball, the gravity is dispersed at the four corners, rapid floating is facilitated, when the elastic inner container is deflated and shrunk, the liquid enters the outer sleeve rod, the gravity is concentrated, sinking is easier, the interior of the outer sleeve rod is always sealed in the adjusting process, and the situation that organisms enter an inner cavity to block the inner cavity is avoided.

The invention relates to the technical field of deep processing of aquatic products, in particular to minced euphausia superba gel with high gel strength and a preparation method of the minced euphausia superba gel. A one-stage heating procedure is adopted, the optimum temperature range of endogenous enzyme is quickly reached, decomposition of protein by the endogenous enzyme is avoided, exogenous additives are not needed, addition of other fishes / shrimps or other functional additives is avoided, the utilization rate of euphausia superba meat is remarkably increased, and the euphausia superba meat quality is improved. The flavor and the nutritional value of the euphausia superba are reserved to the maximum extent, the additional value of euphausia superba meat is improved, a new variety of euphausia superba minced product consumption is developed, and the euphausia superba minced product has good nutritional value and commercial value.

The application discloses a continuous Euphausia superba fishing pump for ships and belongs to the technical field of fishery. The pump body is connected with an inlet pipe at the inlet end and an outlet pipe at the outlet end. An inlet box is arranged between the inlet pipe and the pump body. The inlet box is provided with a pressure relief pipe. The connecting end of the pressure relief pipe and the inlet box is provided with a movable piece. The movable piece moves back and forth to control the connection between the pressure relief pipe and the inside of the inlet box. The application has the advantages of simple structure, easy operation, automatic adjustment of the suction force of the fish suction pump, prevention of blockage, reduction of damage to the catch and improvement of the efficiency of fishing operations.