87 results about "Antarctic krill" 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 provides a method for regulating and controlling growth and metabolism of caproic acid bacteria by using marine active peptides in a baijiu fermentation process. According to the method, the marine active peptides are added in an anaerobic fermentation stage of baijiu preparation to regulate and control the growth and metabolism of the caproic acid bacteria; wherein the marine active peptide is chlorella pyrenoidosa peptide, schizochytrium limacinum peptide, fish albumin peptide or euphausia superba peptide. According to the method, active peptides with specific sources are added into an anaerobic culture system, so that the growth of caproic acid bacteria can be promoted, energy metabolism can be enhanced, and the activity of key enzymes such as caproic acid dehydrogenase and caproic acid synthase can be activated, and therefore, the generation amount of flavor acids such as caproic acid and butyric acid can be increased, the fermentation quality can be improved, and the flavor level and esterification precursor substance content of Baijiu can be improved.

The invention relates to the technical field of bioengineering, in particular to a preparation process for extracting antihypertensive peptide from euphausia superba. The process comprises the following steps: adding a ferulic acid / arginine double-grafted pullulan compound in a preparation process, and breaking an emulsification interface by utilizing beta-cyclodextrin adsorption and phospholipase A2 cracking to obtain a soluble pretreatment product; meanwhile, short-time round-trip pH pulse is implemented in the incision enzyme hydrolysis process to activate potential enzyme cutting sites, finally, hydrophobic aggregation peptides are removed through weak acid rapid elution, and excision hydrolysis is performed to obtain a target product with the molecular weight of 0.5-3 kDa, so that dynamic induction and antioxidant steady-state dual control of hydrolysis reaction is realized; the generation proportion of short peptides and the ACE inhibition persistence are improved, and the flavor and the storage stability are remarkably improved. The method is controllable in technological process, high in repeatability and suitable for large-scale preparation of the euphausia superba protein functional peptide and development and application of antihypertensive food.

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 relates to euphausia superba-derived diacylglycerol acyltransferase as well as a coding gene and application thereof, and belongs to the field of enzymology, the nucleotide sequence of the gene for coding the enzyme is as shown in SEQ ID NO.1, and the amino acid sequence of the enzyme is as shown in SEQ ID NO.2. The invention further discloses a preparation method of the euphausia superba-derived diacylglycerol acyltransferase. The invention also provides a recombinant plasmid and a recombinant engineering bacterium containing the gene of the enzyme. Diglyceride and an acyl donor are used as substrates, and triglyceride is catalytically synthesized through an acyl transfer reaction by using the enzyme. The invention provides an efficient tool for realizing enzymatic biosynthesis and large-scale production of natural triglyceride.

The invention discloses an animal feed additive composition, an animal feed and application of the animal feed. The animal feed additive comprises marine animal-derived hydroxyapatite, takifugu fish skin glue, composite algae powder and euphausia superba powder. Marine animal source hydroxyapatite is derived from takifugu calthrop bone meal. The animal feed additive composition comprises the following components in percentage by mass: 40%-50% of takifugu calthrop bone meal; 10%-15% of takifugu fish skin glue; 30%-40% of composite algae powder; and 10%-15% of euphausia superba powder. The invention also discloses an animal feed, which comprises a basal feed and the animal feed additive composition accounting for 3.0-6.0% of the mass of the basal feed. According to the application, the takifugu calthrops are converted into the animal feed additive composition with high additional value from fish skin processing waste for the first time, so that single-component chemical additives such as stone powder and calcium hydrophosphate which are widely used at present can be replaced, and resource utilization and high-value utilization of marine fishery waste are realized.

The invention relates to the technical field of food processing, and particularly discloses a processing method for preparing sea cucumber viscera into powder. The raw materials of the product comprise fresh sea cucumber viscera and composite auxiliary materials, wherein the composite auxiliary materials comprise marine fish collagen peptide and euphausia superba powder; the preparation method comprises the following steps: pretreating fresh sea cucumbers, taking out viscera, cleaning, mixing the viscera with composite auxiliary materials, pulping, filtering to obtain composite juice, carrying out ultrasonic-assisted enzymatic degradation on the composite juice, inactivating bio-enzyme, carrying out low-temperature concentration and drying to obtain primary powder, carrying out non-thermal sterilization and high-pressure sterilization on the primary powder, and packaging to obtain the sea cucumber beverage. And cooling and filling in a sterile environment. The product can be used as a functional food raw material, and has the advantages of reservation of heat-sensitive active ingredients such as sea cucumber saponin and stable quality; in addition, the preparation method disclosed by the invention has the advantages of efficiently utilizing byproducts of the internal organs of the sea cucumbers, being mild in process, not destroying active ingredients and controllable in operation, and resource waste and active ingredient loss can be reduced.

The invention discloses a composition for improving sexual life and / or prostate symptoms and a preparation method thereof. The composition is prepared from the following components in parts by weight: 30 to 50 parts of algal polysaccharides, 15 to 25 parts of phospholipid, 8 to 12 parts of euphausia superba oil, 8 to 12 parts of magnesium oxide, 8 to 12 parts of lycopene, 2 to 4 parts of zinc gluconate, 1 to 3 parts of radix ginseng extract, 0.8 to 1.2 parts of flos sophorae immaturus extract, 0.8 to 1.2 parts of fructus rubi extract, 0.8 to 1.2 parts of mulberry fruit extract, 0.8 to 1.2 parts of fructus lycii extract and 0.8 to 1.2 parts of sodium selenite. By limiting the raw materials and the dosage, under the combined action of the raw materials, the prepared composition can improve erectile, ejaculation and anterior lacrimal gland symptoms, can improve the quality of sexual life, and has no side effect on the body.

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 discloses an euphausia superba fishing control method and system equipment and a storage medium. The method comprises the steps that marine environment parameters are monitored in real time, and sea condition analysis is conducted on the marine environment parameters; according to the sea condition analysis result, posture adjustment is conducted on a double-suspension extension arm truss of the fishing boat; after the posture of the double-suspension extension arm truss is adjusted, the mesh diameter of the fishing boat, left and right mesh opening coordinates of a USBL and left and right net position dragging force are obtained; according to the left and right network port coordinates and the left and right network position drag force of the USBL, working parameters of a pusher are adjusted, and working parameters of a vacuum pump are adjusted through the ocean current compensation amount calculated through CFD; after the working parameters are adjusted, an ecological protection strategy is generated according to the mesh diameter and the approaching speed of the sea birds, and the euphausia superba is caught based on the ecological protection strategy. Through cooperative control of the net position, the towing force and the ship position, eco-friendly fishing with high survival rate and low side fishing harvesting is achieved.

The present invention provides an Antarctic krill peptide or an Antarctic krill peptide mixture, and a preparation method therefor and a use thereof. Specifically, the Antarctic krill peptide has an amino acid sequence as shown in any one of SEQ ID NOs: 1-13, or a polypeptide having a homology (or identity) of 80% or higher with the amino acid sequence as shown in any one of SEQ ID NOs: 1-13. The Antarctic krill peptide or Antarctic krill peptide mixture of the present invention has excellent effects in the treatment and / or prevention of diseases related to lipid metabolism disorders, and can be used for the development of drugs, healthcare foods, foods for special medical purposes, and other products for diseases related to lipid metabolism disorders.

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 preparation method comprises the following steps: (1) compounding hermetia illucens larvae, whole tenebrio molitor and euphausia superba according to a mass ratio of (3-5): (2-4): 1, carrying out enzymolysis, and reacting with a yeast cell wall extract to form a glycopeptide compound; (2) coating the glycopeptide compound with a mannan oligosaccharide and chitosan solution to form microcapsules, and controlling the release rate of the microcapsules in simulated gastric juice to be lower than 30% and the release rate of the microcapsules in simulated intestinal juice to be higher than 80%; (3) co-fermenting the microcapsules, clostridium butyricum and pediococcus acidilactici, and adsorbing fermentation liquor on the porous starch; (4) performing dry mixing on the functional compound, the fermentation compound and the base material, and performing low-temperature puffing; and (5) sequentially spraying a vitamin D3 grease layer, a pectin-whey protein protective layer and a solution containing TGF-beta2 on the surfaces of the particles. Through cooperation of multiple processes, the immune function and intestinal health of pets are remarkably improved, and the product is good in stability and palatability.

The invention discloses application of retinaldehyde dehydrogenase activating peptides derived from three euphausia superba in prevention or treatment of radiotherapy intestinal side reactions, and belongs to the technical field of bioactive peptides. The euphausia superba-derived retinaldehyde dehydrogenase activating peptides have three kinds of amino acid sequences, and the amino acid sequences of the retinaldehyde dehydrogenase activating peptides are respectively shown as SEQ ID NO.1-3. The euphausia superba-derived retinaldehyde dehydrogenase activating peptide is applied to prevention or treatment of radiotherapy intestinal side reactions. According to the invention, three potential retinaldehyde dehydrogenase activated peptides are identified from the antarctic krill protein peptide sequence by using high-resolution mass spectrometry, and the effect of the retinaldehyde dehydrogenase activated peptides on preventing or treating radiotherapy intestinal side reactions is verified by using animal experiments. Results show that three small molecule peptides can improve weight loss and intestinal structure damage caused by radiation, thereby repairing intestinal mucosal barriers and improving side effects of radiotherapy intestinal tracts.

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.

This invention discloses a xanthine oxidase inhibitory peptide derived from Antarctic krill and its applications, belonging to the field of biotechnology, specifically relating to bioactive peptide technology. Using Antarctic krill protein as raw material, this invention obtains the xanthine oxidase inhibitory peptide WRIPSRL, with the amino acid sequence shown in SEQ ID NO: 1, through virtual screening, molecular docking, and in vitro activity verification techniques. This invention utilizes the BIOPEP-UWM platform for virtual hydrolysis, and obtains candidate peptides through PeptideRanker activity prediction and ToxinPred toxicity screening; then, molecular docking is performed with the xanthine oxidase crystal structure 1N5X using the Autodock Vina algorithm to screen for high-affinity peptides; in vitro activity assays show that the IC50 of the WRIPSRL peptide is high. 50 The value was 1.04 mM, and the inhibition rate reached 48.68% at a concentration of 1 mM.

The invention provides an astaxanthin composition containing an effective amount of astaxanthin. Furthermore, the invention provides an astaxanthin composition containing an effective amount of astaxanthin and xanthoceras sorbifolia bunge oil. Furthermore, the invention provides an astaxanthin composition containing an effective amount of astaxanthin, xanthoceras sorbifolia bunge oil, DHA algal oil and / or euphausia superba oil. Furthermore, the invention provides an astaxanthin composition containing an effective amount of astaxanthin, xanthoceras sorbifolia bunge oil, DHA algal oil and / or euphausia superba oil, and one or more vitamins. Furthermore, the invention provides application of the astaxanthin composition in the following fields: 1) relieving physical and visual fatigue; 2) improving fundus diseases and other eye symptoms, and promoting eye health; the astaxanthin / xanthoceras sorbifolia bunge oil composition has the advantages that the astaxanthin / xanthoceras sorbifolia bunge oil composition can be used for treating and improving prostatitis and benign prostatic hyperplasia, is beneficial to male health, can be used for promoting the basic metabolism level and realizing non-exercise fat reduction, and has a more remarkable action effect compared with a composition (agent) only containing an astaxanthin active component.

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 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.

This invention belongs to the field of functional marine food processing technology, specifically involving a method for producing a composite sausage made from Antarctic krill, tuna, and collagen, comprising the following steps: (1) preparation of Antarctic krill meat, (2) preparation of tuna blood-infused meat, (3) preparation of low-temperature raw pork skin collagen paste, (4) preparation of krill-derived composite enzyme solution, (5) mixing of meat materials and low-temperature enzymatic hydrolysis, (6) low-temperature chopping, (7) sausage filling and quick-freezing, and (8) thawing and maturation of the product. This invention uses Antarctic krill meat, tuna blood-infused meat, and low-temperature raw pork skin collagen paste as core raw materials, and utilizes krill endogenous composite enzymes for low-temperature enzymatic hydrolysis to produce a composite sausage with uric acid-lowering function, high protein content, and high unsaturated fatty acid content, providing a safe, convenient, and daily-consumable functional marine food for people with hyperuricemia.

This invention relates to the field of fishing technology and discloses an integrated device for continuous fishing and conveying of Antarctic krill. The device includes a base, with a winding mechanism mounted on the upper end of the base. The winding mechanism includes two sealing discs connected together by a drum. A flexible hose is wound around the outer surface of the drum, with one end of the hose connected to a bend, and one end of the bend connected to an expansion hood. One end of the expansion hood is connected to a first fixing disc, and a second fixing disc is located on one side of the first fixing disc. A fixing assembly is provided between the first and second fixing discs, and a fishing net is connected to one end of the second fixing disc. An anti-clogging mechanism is installed inside the expansion hood. Compared with existing technologies, this invention effectively solves the problem of suction blockage during krill fishing, avoiding disruption to the continuous fishing of Antarctic krill and effectively improving krill fishing efficiency.

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 relates to the field of marine biological resource survey technology, specifically disclosing a method for predicting Antarctic krill resource distribution based on multi-algorithm integration. The method includes: acquiring krill acoustic survey density data and multi-source environmental variable data; performing coordinate projection transformation, missing value processing, and grid aggregation on the data; constructing a modeling dataset and performing logarithmic transformation to mitigate the bias of zero-inflation features on model training; calculating the Pearson correlation coefficient and variance inflation factor among various environmental variables; and constructing a correlation-collinearity dual screening criterion by combining krill density correlation ranking. This invention constructs a complementary modeling system of multiple heterogeneous algorithms, utilizing the structural dissimilarity between algorithms to maximize the capture of diverse response patterns between krill density and environmental factors. This effectively suppresses the technical defects of single algorithms exhibiting drastic fluctuations in prediction performance under different sea areas and marine environmental conditions, significantly improving the generalization stability and environmental adaptability of Antarctic krill resource distribution prediction.