76 results about "Euphausia" patented technology

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 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 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.

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 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 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.

The invention relates to the technical field of feeding devices, and discloses an automatic feeding device and method based on high-fat euphausia superba powder production.The automatic feeding device comprises a cabin and a main screw, the main screw is arranged in an inner cavity of the cabin, and at least two machine barrels are arranged in the inner cavity of the cabin; main screw rods which are driven by a power device and are opposite in rotation direction are arranged in the machine barrel, each main screw rod is of a three-section structure and comprises a conveying screw rod, a crushing screw rod and a buffering screw rod which are sequentially connected, the screw pitch of the crushing screw rod is larger than that of the buffering screw rod, and the screw pitch of the buffering screw rod is larger than that of the conveying screw rod; a double-screw driving mode is adopted, the screws are divided into the conveying section, the crushing section and the buffering section, the rotating direction of the main screw and the rotating direction of the auxiliary screw are opposite, caked shrimp meal entering the crushing section is compressed and crushed due to the fact that the screw pitch is reduced, and the problem that in the hull bumping environment, due to the fact that high-fat krill meal is prone to adhesion and caking, the shrimp meal adheres and is conveyed unevenly is effectively solved.

The invention belongs to the field of food industry automation, and relates to a device and a method for improving the precision of an euphausia superba meter. Uncertain factors such as external disturbance and friction force in the system are inhibited by adopting a self-adaptive jerk controller, the robust gain is converged in a bounded range by adopting a self-adaptive law, and the robustness of the system is improved; a feedback control law is formed after integration of output signals of the self-adaptive jerk and acceleration controller, and stability and continuity of the control signals are guaranteed. Therefore, the positioning precision is improved, a stable control signal can be generated, the control performance of the system is obviously improved, the tracking error is reduced, high-frequency oscillation is avoided, and the control precision of the linear motor servo system is improved. Besides, the high-performance Hall sensor and the grating ruler are adopted, the precision of signal acquisition is improved, the TMS320F28379D chip is used as a core processor, the data processing capability of the servo system is improved, and the tracking precision is improved.

This invention discloses a low-salt Antarctic krill surimi gel and its preparation method based on the synergistic construction of ultra-high pressure pretreatment and sodium brine gel post-filling, belonging to the field of aquatic food processing technology. The method first constructs a sodium brine gel using chickpea protein, pullulan, and salt, then prepares Antarctic krill surimi with a low total salt content. The low-salt surimi is pretreated under ultra-high pressure at 300-450 MPa, followed by the addition of sodium brine gel and low-temperature chopping. After pre-geling at 35-45 ℃ and heat-curing at 85-95 ℃, a composite surimi gel is obtained. This process allows ultra-high pressure to primarily act on the myofibril proteins of Antarctic krill, with the brine-loaded gel serving as the subsequent network filling phase and sodium brine gel. + The locally enriched phase is dispersed in the continuous gel network, which simultaneously improves gel strength, water retention, texture and saltiness perception without increasing the total sodium content. It is suitable for low-salt shrimp paste, shrimp sausage and ready-to-eat shrimp paste products.

The invention discloses a preparation method of an euphausia superba conveying pipe. The preparation method comprises the following steps: respectively obtaining an inner rubber layer material, a first reinforcing layer material, a first middle rubber layer material, a second reinforcing layer material, a second middle rubber layer material, an outer rubber layer material and a rubber pipe mold core for later use; an inner rubber layer material, a first reinforcing layer material, a first middle rubber layer material, a second reinforcing layer material, a second middle rubber layer material and an outer rubber layer material are sequentially wound on the outer side of the rubber pipe mold core layer by layer, and a multi-layer composite pipe is formed; the rubber pipe mold core is pulled out of the multi-layer composite pipe, and the multi-layer composite pipe with the rubber pipe mold core pulled out is subjected to vulcanization treatment to form a formed pipe fitting; and the inner wall of the formed pipe fitting is coated, and an inner wall layer is formed. The Nanjing krill conveying pipe with the pipe body strength and the bending degree can be prepared, the pipe body replacement frequency caused by abrasion and breakage in the operation process is reduced, and the fishing efficiency of the euphausia superba is improved.

The invention relates to the technical field of extraction, and discloses euphausia superba oil high-phospholipid extraction and concentration equipment which comprises an extraction tank, a stirring motor is fixedly connected to the upper surface of the extraction tank, the driving end of the stirring motor is rotationally connected with the inner wall of the extraction tank, the driving end of the stirring motor is fixedly connected with stirring blades, and the stirring blades are fixedly connected with the stirring blades. An extraction device is arranged on the surface of the extraction tank and comprises a rotating ring. According to the device, the first filter screen, the second filter screen and the third filter screen are arranged, the pore diameters of the filter screens are gradually increased, a mounting block is driven to rotate through a rotating ring, so that a groove is sequentially matched with different filter screens, graded extraction can be carried out on euphausia superba oil high phospholipid with different qualities, waste of the oil high phospholipid is effectively reduced, and diversified production requirements are met; compared with extraction equipment with a single filter screen, the oil high phospholipid extraction equipment can accurately separate oil high phospholipids with different purities, and the extraction efficiency and the product quality are effectively improved.

The utility model discloses ultrasonic extraction equipment for euphausia superba oil. According to the technical scheme, the ultrasonic extraction equipment is characterized by comprising an extraction tank, the feeding pipe is fixedly connected to the top of the extraction tank, and the bottom of the feeding pipe is inserted into the extraction tank; one end of the circulating pipe is fixedly connected to the bottom of the extraction tank, and the other end of the circulating pipe is fixedly connected to one side of the feeding pipe; the first ultrasonic generator is positioned in the feeding pipe and is arranged at a position where the feeding pipe extends into the extraction tank; the second ultrasonic generator is arranged in the extraction tank and can slide up and down in the extraction tank; and a stirring mechanism. And through the arrangement of the circulating pipe, materials can circularly pass through the first ultrasonic generator and the second ultrasonic generator, so that the problem that the crushing effect of the materials is poor due to the distance problem is solved, and the sufficiency of shrimp oil extraction is guaranteed.

The invention belongs to the technical field of euphausia superba shipborne processing, and particularly relates to a supercritical fluid CO2 low-temperature drying method for an euphausia superba shipborne processing process sample. According to the method, a minced euphausia superba sample obtained after shipborne processing and solid-liquid separation of euphausia superba is used as a raw material, and dried euphausia superba powder can be obtained through supercritical fluid CO2 low-temperature drying. The method is simple to operate, low in drying temperature, low in consumption and environment-friendly, and the obtained shrimp meal is good in quality, high in protein utilization rate and suitable for land-based processing, is also suitable for direct on-site utilization after CO2 capture of ocean krill ships in the future, so that carbon emission of ships is reduced, and the method has very good application prospects and social and economic benefits.

1. The name of the design product: packaging bag (Antarctic krill roll). 2. The use of the design product: outer packaging of food. 3. The design points of the design product: in the combination of patterns and colors. 4. The picture or photo that best shows the design points: reference drawing in use. 5. The design for which protection is sought includes color. 6. The design product is a thin product, and the left view, right view, top view, and bottom view are omitted.

This invention provides a method for preparing high-content krill phospholipids and removing organic arsenic using preparative high-performance liquid chromatography (HPLC). The method includes: S1, dissolving Antarctic krill oil; S2, separating Antarctic krill phospholipids and removing organic arsenic using preparative HPLC; and S3, concentrating the eluent to remove the solvent, obtaining Antarctic krill phospholipids with a total phospholipid content ≥60% and a total arsenic content <1 mg / kg. The chromatographic separation materials used in this invention are pure, and the solvents used are food-grade ethanol, n-hexane, etc., meeting food safety requirements. The process can be implemented using a fully automated preparative chromatography system, exhibiting good reproducibility. This method can obtain high-safety Antarctic krill phospholipid products with a total arsenic content of less than 1 mg / kg and a total phospholipid content ≥60%, ensuring that the total arsenic content of the product meets the safety limits for health food raw materials. This satisfies the needs of high-end application scenarios such as infant and pregnant women's nutritional products and is beneficial for developing functional Antarctic krill phospholipid products.

The invention belongs to the technical field of marine fishery, and provides an euphausia superba stringer trawl with a bird repelling effect. The device comprises a stern arm frame provided with a winch mechanism and a trawl, the winch mechanism comprises a warp winch and an integrated cable winch located below the warp winch, the warp winch comprises a warp capable of being attracted by magnetic substances, and the integrated cable winch comprises an integrated cable internally provided with the magnetic substances; the integrated cable is sequentially provided with a wear-resistant rubber layer and a braid layer from outside to inside, the braid layer is formed by weaving metal wires made of corrosion-resistant metal, and the surface of the wear-resistant rubber layer is provided with remarkable colors which comprise one or more of red or yellow. Birds are repelled by the passive sound production structure and the visual appearance driven by water flow, so that accidents of injury or death of the birds due to accidental rope collision are effectively reduced; the durability and the service life of the integrated cable are improved; and the passive generation structure works reliably in an extremely low-temperature environment and has no energy consumption requirement.

The invention discloses umami peptide from euphausia superba and application of the umami peptide, and belongs to the technical field of bioactive peptide. The number of the umami peptides from the euphausia superba is five, and the amino acid sequences of the umami peptides from the euphausia superba are shown as SEQ ID NO.1 The umami peptide can be used as or used for preparing a flavor enhancer. According to the method, the antarctic krill protein is taken as a raw material, virtual hydrolysis is carried out, joint screening is carried out by adopting an umami peptide prediction model, and through physicochemical property prediction, five potential umami peptides which are non-toxic and good in water solubility are finally obtained. Molecular interaction analysis shows that the umami peptide can be stably combined with a T1R3 key site, and the interaction mainly comprises non-covalent acting forces such as hydrogen bonds and hydrophobic interaction. The invention constructs a screening and mechanism analysis strategy of the antarctic krill umami peptide based on combination of virtual enzymolysis, multi-model prediction and molecular docking, and provides a theoretical basis for directional development of natural umami peptide and high-valued utilization of antarctic krill marine protein resources.

The application discloses a kind of side type antarctic krill truss drag net operation water layer adjusting truss equipment, it is related to fishery trawl technical field, a kind of side type antarctic krill truss drag net operation water layer adjusting truss equipment, including truss rod assembly, truss rod assembly has truss plate, truss plate is plate body structure, truss plate has rotating stem through both ends of truss plate, and the second connecting plate is connected by rotating stem in both ends of truss plate, the scheme of the present application can solve the technical problems that the truss rod equipment of prior art self-adjusting depth is too complex, and can ensure the stability of equipment in water adjustment.

The invention relates to a shrimp seed standard-thickness starter feed and a preparation method thereof, and belongs to the technical field of feed. The starter feed is prepared from imported fish meal, euphausia superba powder, deep sea fish oil, refined phospholipid, cuttlefish visceral meal, flour, compound enzyme, probiotics, antibacterial peptide, compound mineral salt, compound vitamins, magnesium ascorbyl phosphate and the like through a low-temperature micro-capsule embedding technology, the water dissolution rate of micro-capsule particles soaked in deionized water at 25 DEG C for 2 hours is smaller than or equal to 3%, and the DHA retention rate is larger than or equal to 90%. The mouth-opening feed is suitable for the P5-P10 scaling stage of shrimp seeds, can replace more than or equal to 50% of fairy shrimps for feeding, realizes efficient reservation and absorption of nutrition by precisely proportioning nutritional ingredients and functional additives and combining staged particle size feeding, and remarkably improves the survival rate, growth rate and health degree of the shrimp seeds.