56 results about "Deep sea fish" patented technology

The invention relates to the technical field of sample preparation equipment, in particular to deep sea fish oil micro-capsule determination sample preparation equipment which comprises a motor base, a linkage case is fixedly connected to the upper surface of the motor base, and a main motor is arranged in the motor base; a fish oil conveying box and a dispersing agent input box are fixedly connected to the upper portions of the two sides of the outer surface of the linkage machine box respectively, a stirring box is fixedly connected to a pipeline on the opposite sides of the fish oil conveying box and the dispersing agent input box, a rotating rod can move up and down through the action that a stirring assembly conducts sampling and pressing every time, the stirring uniformity is improved, and the stirring efficiency is improved. Single-batch multi-section sampling can improve the accuracy of the sample and reduce interference factors of various devices, meanwhile, the initial low speed can promote spreading of the micro-capsules, the rotation speed is increased to prevent oxidation of the dispersing agent and grease in the fish oil, and subsequent slow-down maintenance can facilitate fusion of the dispersing agent and avoid scattering of components in the deep sea fish oil through high-speed rotation; the observation is influenced.

To provide a foundation of a bionic suction bucket of a swim bladder of a deep-sea fish, and a working method thereof.SOLUTION: When it is necessary to push a foundation of a suction bucket into sea-bottom soil, a charge valve is closed, an annular air bag is held in an empty state, an upper end of a marine hose is connected to a suction pump, the valve is opened, the suction pump is opened, water is pumped from an inside of a bucket body with the suction pump, the bucket body is pushed into the sea-bottom soil until a bucket lid and a surface of the seabed soil are flush with each other, and the valve is closed. When it is necessary to pull out the foundation of the suction bucket from the seabed soil, the upper end of the marine hose is connected to an inflation pump, the valve and the charge valve are opened, gas enters the annular air bag and enters downward into an inside of the bucket body by pressurizing and inflating the marine hose, the charge valve is closed until the annular air bag is fully inflated, and the annular air bag uses the bucket body to gradually pull the foundation of the suction bucket out of the sea-bottom soil.SELECTED DRAWING: Figure 1

The invention relates to the technical field of marine product processing, in particular to a preparation method of high-activity fish protein powder, which comprises the following steps: cleaning and crushing deep-sea fish, transferring into an enzymolysis tank, adding brown sugar and / or molasses, yeast extract and clean water, and adding metalloproteinase and biological coenzyme for preliminary enzymolysis; bacterial enzymes such as bacillus velezensis, halophilic bacillus and Fengda salt-tolerant microorganisms are introduced for degradation; and mixing the bacterial enzyme degradation liquid with a chitosan solution, and performing spray drying to obtain the high-activity fish protein powder. According to the invention, macromolecular proteins are decomposed into small peptides and free amino acids by utilizing metalloproteinase and biological coenzyme through the synergistic effect of bacteria and enzymes, and microbial fermentation is introduced, so that the small peptides and other organic substances are further decomposed, efficient and comprehensive multi-stage degradation of fish proteins is realized, and release of nutritional active ingredients is maximized; finally, the fish protein powder is protected through a nano drying medium, and the stability and safety of the fish protein powder are improved.

The invention discloses a high-efficiency refrigeration unit control system and method for deep-sea fish, and relates to the technical field of equipment control. The invention calculates the impact values ​​of all environmental data on refrigeration efficiency, extracts the environmental data that affects the refrigeration efficiency as key influencing factors, extracts two classification nodes, and uses the two classification nodes to classify the key influencing factors into primary factors, secondary factors, and tertiary factors; collects all key influencing factors and refrigeration parameters of historical refrigeration units during operation, and constructs a relationship mapping model between the key influencing factors and the refrigeration parameters; uses the impact values ​​of key influencing factors of different levels to calculate the corresponding refrigeration parameter adjustment rate of each level of key influencing factors; detects the data values ​​of the key influencing factors in real time when the deep-sea fish are stored, and uses a change threshold to make judgments and early warnings; and selects the corresponding refrigeration parameter adjustment rate according to the level of the early warning key influencing factor to adjust the refrigeration parameter to a target value.

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

The present application belongs to the technical field of nutritional functional food and health food, and particularly relates to a preparation method of marine fish skin collagen oligopeptide beneficial to promoting skin health, and a product and application thereof. The method comprises the following steps: after deep sea fish skin is pretreated by salt dissolution with a NaCl solution, trisodium citrate is added as an enzymolysis aid, and neutral protease (from Trichoderma reesei) and papain are sequentially used for two-step enzymolysis, and after enzyme inactivation, impurities are removed, sterilization is performed, and concentration, drying are performed to obtain the product. In vitro cell experiment verification shows that the product can significantly promote human skin fibroblast proliferation; in vivo animal experiment verification shows that the product can significantly increase skin moisture content, reduce transdermal water loss, increase hydroxyproline content, improve SOD activity and reduce MDA content. The product is suitable for the field of nutritional functional food and health food, and has a good application prospect in promoting skin health.

The present application relates to a kind of fat powder for special aquaculture and its preparation method and application, the composition of the fat powder includes: compound oil, emulsifier, bile acid salt, lipase, antioxidant, fat-soluble vitamin, carrier material;The compound oil is composed of algal oil, deep sea fish oil, rice bran oil, 24 ℃ fractionated palm oil, refined coconut oil, soybean lecithin and medium-chain triglyceride.The present application is not simply mixed oil product, but is the comprehensive functional fat powder constructed around the growth, reproduction, resistance, intestinal health and meat quality of special aquatic animals, can simultaneously consider "promote growth, reduce fishy smell, enhance resistance, promote reproduction, protect intestinal tract, promote absorption" and multiple goals, with obvious system and uniqueness.

The application discloses a kind of liquid quick culture Ganoderma meat and its application, first, pre-made enzymolysis oat flour and sodium alginate-chitosan microcapsule fungicide and other modified raw materials;Further, the liquid culture medium consisting of enzymolysis oat flour, deep sea fish peptone, modified soybean peptide, microcapsule fungicide, black medlar extract, sodium selenite etc.;Then carry out "dark proliferation-blue light induction" two-stage directional fermentation, and pulse type adds methyl jasmonate inducer in illumination stage;Finally, low-temperature ripening and microwave vacuum drying obtain product.The application overcomes the defects of long traditional culture period, low active ingredient content, shortens the growth cycle to 9 days or less, the obtained Ganoderma meat product Ganoderma meat polysaccharide content is not less than 25%, and β-glucan accounts for more than 50%, and realizes the directional enrichment of selenium.The product can be used for preparing functional food for regulating immunity or auxiliary anti-tumor pharmaceutical composition, realizes the efficient, standardization, functional production of Ganoderma meat.

This invention discloses an active peptide remover, method, and application for removing inappropriate decorations from the surface of stone cultural relics, relating to the field of stone cultural relic protection technology. The active peptide remover comprises: 0.5-5% surface active peptides, 0.1-1% auxiliary components, and the balance being deionized water; the surface active peptides are one or more selected from soybean peptides, deep-sea fish skin peptides, sea cucumber peptides, wheat peptides, corn peptides, silk fibroin peptides, and whey protein peptides; the auxiliary components are stabilizers and / or pH adjusters, the stabilizers being one or more selected from xanthan gum, carrageenan, bentonite, and kaolin, and the pH adjusters being citric acid or sodium hydroxide, with the active peptide remover having a pH value of 6.5-7.5. This active peptide remover not only avoids damage to stone cultural relics caused by high-temperature steam and sandblasting media; it also breaks down the adhesion between the decorations and the stone, helping to reduce the pressure, temperature, and time required for steam cleaning and sandblasting removal.

The utility model relates to the technical field of fishing net cages, and discloses an efficient fishing box of a breeding work ship, which comprises a supporting frame main body, a hanging bracket is fixedly arranged on the top surface of the supporting frame main body, and a PLC (Programmable Logic Controller) is fixedly arranged on one side of the hanging bracket; through mutual cooperative use of a supporting frame main body, a hanging bracket, a fixed bin, a rotating bin, a supporting plate, a reinforcing pull rod, a fish discharging hole and an overturning plate, the effect of fishing marine fishes in a culture bin in a culture work ship can be achieved, and water can enter the rotating bin faster through opening of two water discharging holes and a second double-lug electric push rod; the fixed bin and the rotating bin are matched with each other to enable the rotating bin to rapidly sink into water, cultured deep-sea fishes are caught through the fixed bin and the rotating bin, the fishes can be automatically discharged through remote control after being transferred to the position above a set container, tedious manual operation of a traditional catching net is reduced, the fish pouring process is rapid and convenient, efficiency is high, use is convenient, and the fishing net is worthy of popularization and application. And the device is practical.

The application discloses a deep-sea torpedo anchor construction device, wherein the deep-sea torpedo anchor construction device comprises a hoisting mechanism, a guide mechanism and an anchor chain, the hoisting mechanism is located on the sea surface; the guide mechanism is located between the hoisting mechanism and the seabed and is connected with the hoisting mechanism, a guide track is formed in communication between the top end and the bottom end of the guide mechanism, and the guide track is used for accommodating the torpedo anchor; the anchor chain is telescopically wound on the hoisting mechanism, the movable end of the anchor chain extends into the guide track from the top end of the guide mechanism, and is used for connecting the torpedo anchor in the guide track so as to limit the depth of the torpedo anchor extending into the guide track. The technical scheme of the application aims to reduce the influence of environmental load on the installation of the torpedo anchor and improve the bearing performance of the torpedo anchor after installation.

A meat core is formed by baking young pigeon meat and chicken, functional components such as deep sea fish oil, linseed oil and the like are embedded in a wall material containing cranberry powder, chicory roots, lactoferrin and zinc to form a functional coating to wrap the meat core, and a vacuum freeze drying technology is combined, so that the activity of the functional components is effectively protected, and the release performance is improved; zinc ions are supplemented, so that the antibacterial property and the stability are enhanced, and the hair health is promoted. The outermost layer of the cat food adopts the chicken liver powder, the valerian extract and chitosan to form a barrier oil film, oxidation is remarkably delayed, the shelf life is prolonged, meanwhile, the chicken liver powder and the valerian extract are used for improving the food calling effect and the emotion relieving effect, and the palatability is further improved. Unification of functional activity protection, texture optimization and product stability is realized.

The invention discloses an active peptide remover for improper makeup on the surface of a stone cultural relic, a method and application, and relates to the technical field of stone cultural relic protection. The active peptide remover comprises 0.5-5% of surface active peptide, 0.1-1% of auxiliary components and the balance of deionized water, the surface active peptide is one or more of soybean peptide, deep sea fish skin peptide, sea cucumber peptide, wheat peptide, corn peptide, silk fibroin peptide and whey protein peptide; the active peptide remover comprises an auxiliary component and an auxiliary component, the auxiliary component is a stabilizer and / or a pH regulator, the stabilizer is one or more of xanthan gum, carrageenan, bentonite and kaolin, the pH regulator is citric acid or sodium hydroxide, and the pH value of the active peptide remover is 6.5-7.5. According to the active peptide remover, the stone cultural relics can be prevented from being damaged by high temperature of steam and a sand blasting medium; and the binding force of makeup color and stone can be destroyed, and the pressure, temperature and time required during steam cleaning and sand blasting removal can be reduced.

The present invention relates to a method for customizing a deep-sea fish trapping strategy based on partitioned visual data, comprising: utilizing an intelligent deep-sea fish prediction model corresponding to a target deep-sea water area to intelligently predict the number of fish appearing in each sub-sea area of ​​the target deep-sea water area in a future time segment after the current moment based on multiple copies of layer-by-layer sea area visual data corresponding to multiple past time segments before the current moment; and determining, based on the intelligent prediction results, a key trapping sub-sea area of ​​the target deep-sea water area in the future time segment after the current moment. Through the present invention, it is possible to utilize an intelligent deep-sea fish prediction model designed for a customized structure of the current deep-sea water area to intelligently predict the number of fish appearing in each sub-sea area of ​​the target deep-sea water area in the future time segment after the current moment, and then determine a matching deep-sea fish trapping strategy for the target deep-sea water area, thereby improving the effectiveness and efficiency of deep-sea fish trapping in different time segments.

The present invention belongs to the technical field of underwater operation robots and specifically discloses a deep-sea fish-mouth-like underwater robot and its control method, wherein the underwater robot includes a robot body, which is used to provide a power source; a mounted collector, which is connected to the robot body via a mounting surface; wherein the mounted collector includes a fish-mouth upper jaw assembly, a fish-mouth lower jaw, a collection chamber, and a drive assembly; the fish-mouth upper jaw assembly includes an upper jaw body, a fixed joint, and a movable joint; during the pitching movement of the underwater robot, the drive assembly drives the movable joint to slide, the upper jaw body approaches or moves away from the fish-mouth lower jaw, and the mounted collector switches between a closed-mouth state and an open-mouth state to complete the mining operation. The present invention can operate efficiently without the need for additional motor drive, can realize multi-sample collection, and significantly improves the shortcomings of traditional underwater grabbing mining manipulators in terms of operational flexibility and energy consumption.

The invention relates to the technical field of agricultural fertilizers, in particular to a rooting and root protecting type organic water-soluble fertilizer. The fertilizer is prepared from the following raw materials in parts by weight: 15-23 parts of deep-sea fish protein enzymatic hydrolysate, 8-16 parts of humic acid, 6-12 parts of a seaweed extract, 6-10 parts of potassium fulvate, 3-10 parts of amino acid, 2-5 parts of a compound microbial agent, 2-5 parts of chitosan oligosaccharide, 1-2 parts of polyglutamic acid, 2-8 parts of monopotassium phosphate, 1-4 parts of medium trace elements, 1-2 parts of a plant-derived growth induction factor extract and the balance of water. The components in the rooting and root-protecting type organic water-soluble fertilizer disclosed by the invention are synergistic, the functions are comprehensive, and the rooting and root-protecting type organic water-soluble fertilizer has the advantages of rapid rooting, strong root protection, efficient stress resistance and comprehensive nutrition. The invention further provides a preparation process of the rooting and root protecting type organic water-soluble fertilizer, and a two-stage fermentation-low-temperature chelation process is adopted. According to the process, all organic components are fully degraded and biologically converted, the biological value is improved, the probiotics and the organic carrier are perfectly fused, and the high survival rate and colonization capacity after the probiotics are applied to soil are ensured.

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.

The invention provides a crop nutritional supplement containing glycopeptide as well as a preparation method and application of the crop nutritional supplement, and belongs to the technical field of biological agriculture. The crop nutritional supplement comprises fish protein peptide, fucose oligosaccharide, fulvic acid, silicon-calcium-potassium-magnesium fertilizer, bone meal, polyglutamic acid, a microbial agent and a carrier. Wherein the fish protein peptide is obtained by fermenting deep-sea fish meat with bacillus subtilis SH21 and performing enzymolysis with compound enzyme, and the microbial agent is prepared from trichoderma atroviride C61 and paenibacillus mucilaginosus HB-02. The crop nutritional supplement can activate the immune system of crops, enhance disease resistance, promote nutrient absorption and improve the yield and quality of crops, is environment-friendly, and can solve the problems caused by chemical pesticides and traditional chemical fertilizers.

The application relates to the technical field of nutritional supplements, and discloses an old dog and cat joint maintenance nutritional supplement containing deep-sea fish oil microcapsules and herbal essence, which comprises the following components in proportion by weight: A component deep-sea fish oil microcapsules, 10-30%; B component herbal essence, 5-15%; C component matrix forming agent, 40-60%; D component synergistic solubilizer, 1-5%; and E component melting rheological modifier, 5-15%. The deep-sea fish oil microcapsules of the A component are completely wrapped in a composite matrix formed by the C component and the E component, and the nutritional supplement is in the form of particles. By introducing the melting rheological modifier and a low-temperature and low-shear melting wrapping process, the structure of the fish oil microcapsules can be protected, the fish oil microcapsules and the herbal essence can be doubly isolated by the composite matrix, the destruction of the fish oil microcapsules caused by the moisture absorption characteristics of the herbal essence can be avoided, the fish oil fishy smell and the herbal essence bitter taste can be covered, the product stability and palatability can be improved, the long-term taking demand of the old dogs and cats can be met, and the continuous effectiveness of the joint maintenance components can be ensured.

1.The name of the design product: cat food packaging bag (deep sea fish). 2.The use of the design product: a bag for packaging cat food. 3.The design points of the design product: the combination of patterns and colors. 4.The picture or photo that best indicates the design points: perspective view. 5.The design for which protection is sought contains colors.

The invention discloses a method for rapidly culturing meat ganoderma lucidum in liquid and application of the meat ganoderma lucidum. The method comprises the following steps: firstly, preparing modified raw materials such as enzymolysis oat powder and a sodium alginate-chitosan microcapsule fungicide; further preparing a liquid culture medium consisting of enzymolysis oat powder, deep-sea fish peptone, modified soybean peptide, a microcapsule fungicide, a lycium ruthenicum extract, sodium selenite and the like; then carrying out two-stage directional fermentation of'dark proliferation-blue light induction ', and adding a methyl jasmonate inducer in an illumination stage in a pulse manner; and finally, performing low-temperature after-ripening and microwave vacuum drying to obtain the product. According to the method, the defects that the traditional culture period is long and the content of active ingredients is low are overcome, the growth period is shortened to be within 9 days, the content of ganoderma lucidum polysaccharide in the obtained ganoderma lucidum product is not lower than 25%, the proportion of beta-glucan exceeds 50%, and directional enrichment of selenium is achieved. The product can be used for preparing a functional food for regulating immunity or a pharmaceutical composition for assisting in resisting tumors, and efficient, standardized and functional production of the ganoderma lucidum is realized.

The present application relates to a plant extract-based liposoluble antioxidant and skin lightening composition and its skin care product. The plant extract-based liposoluble antioxidant and skin lightening composition comprises the following components by mass fraction: 5-50 of deep sea fish oil, 0.05-2 of tomato fruit extract & jojoba seed oil & squalane compound, and 0.05-1 of jojoba seed extract & olive fruit oil compound. The present application improves the skin lipid content through the synergistic effect of deep sea fish oil, tomato fruit extract & jojoba seed oil & squalane compound, and jojoba seed extract & olive fruit oil compound, resists oxidation in multiple dimensions, removes free radicals, reduces collagen loss, inhibits melanin production, increases skin hyaluronic acid content, enhances the ability of cells to resist oxidation, improves the glossiness and elasticity level of skin cells, and ultimately achieves the effects of antioxidant and overall whitening and skin lightening.

The present invention discloses a slow sinking fish feed and a preparation method thereof, and relates to the technical field of fish feeds, the slow sinking fish feed comprises basic raw materials: 200 kg of mulberry leaves, 138 kg of soybean meal 43%, 150 kg of peanut bran, 60 kg of fermented soybean meal, 60 kg of rapeseed meal, 100 kg of rice enzymolysis protein, and 150 kg of corn; additives: 20 kg of monocalcium phosphate, 40 kg of refined deep sea fish oil, 50 kg of microalgae meal, 2 kg of multi-vitamin for fish, 5 kg of organic multi-mineral for fish, 1 kg of VC powder, 2 kg of choline, 5 kg of table salt and 2 kg of liver and gallbladder protecting elements; the functional core comprises a composite functional system comprising 3kg of repair group microspheres and 2kg of support group particles, and 10kg of mulberry extract, the contradiction between the response speed and the mechanical strength of a temperature-sensitive material can be overcome, the problem of low self-repair efficiency in a water environment is solved, and the problems of feed pulverization caused by temperature difference, high loss of an antioxidant in water and high cost are solved.

The invention discloses a deep sea fish school distribution detection device and system. The detection device comprises five fish-finding transducers (3), the fish-finding transducers are installed on the basis of a main frame (1), and the five fish-finding transducers are arranged in a front-back, left-right and lower direction arrangement mode; the detection system comprises the detection device and remote control equipment, the remote control equipment comprises a control terminal, and the control terminal can control the detection device. The five fish-finding transducers arranged in the detection device are arranged in a front-back, left-right and lower direction arrangement mode, so that long-distance three-dimensional monitoring can be carried out on five directions in all directions, and real-time information of fish schools in all directions and in a large range is obtained.

The present invention relates to the technical field of deep-sea fish by-product processing, and in particular to a method for low-temperature separation of salmon by-product fish oil and protein, which comprises the following steps: drying the salmon by-product to reduce the moisture content of the material to 15-18%; crushing the material so that the oil / (oil+water) volume ratio in the crushed by-product fish paste is 65-85%, fully mixing and stirring, and obtaining fish oil and defatted protein after low-speed centrifugation and cold pressing. The present invention has simple process, easy operation, high separation efficiency, and achieves the maximum protection of the nutritional components of fish oil and the biological utilization value of fish protein and functional components in fish meal under the premise of achieving efficient separation.

The invention discloses a comprehensive care formula cat food, which comprises animal protein sources, plant protein sources, a grease composition, an additive, a vitamin group, an auxiliary agent and organic trace elements, and has the beneficial effects that the comprehensive care formula cat food comprises various animal protein sources and plant protein sources, so that the comprehensive supply of protein is ensured; comprising deep sea fish oil, linseed oil and beef tallow, provides various essential fatty acids, is beneficial to skin, hair and overall health of cats, and is added with vitamins A, C, D3, E, K, B and the like to guarantee various physiological needs of cats; comprehensive micronutrients are provided through organic microelements, biotin, folic acid, nicotinic acid and calcium pantothenate are beneficial for promoting metabolism and overall health, and meanwhile, the freshness-locking puffing processing technology ensures that nutritional ingredients are reserved at a proper temperature, so that high-quality food is provided for cats.

1. The name of the appearance design product: deep-sea fish hook. 2. The use of the appearance design product: hooking large fish. 3. The design points of the appearance design: embodied in the combination of the perspective view, bottom view, top view, rear view and right view of the product. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to a fish protein-containing organic water-soluble fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers, the fish protein-containing organic water-soluble fertilizer comprises the following raw materials: fish protein hydrolysate, a composite extract, a nitrogen-phosphorus-potassium composite material and a trace element composite material. The fish protein hydrolysate is prepared by performing enzymolysis on deep-sea fish processing leftovers, adding phyllanthus emblica and sophora alopecuroide, and performing co-fermentation; the compound extract comprises a pinus armandii extract, a cryptomeria fortunei extract and a red clover extract. The fish protein-containing organic water-soluble fertilizer prepared by the invention can accelerate the decomposition and conversion of organic matters in fish protein, provides richer available nutrients for crops, fundamentally improves the utilization efficiency of the fertilizer, and also can effectively promote the development of root systems and promote the growth of plants.

The invention relates to the field of cosmetics, in particular to deep sea fish skin collagen peptide, a preparation method thereof and cosmetics. Drying the fat-removed deep sea fish skin to obtain dried deep sea fish skin; mixing the first fermentation seed solution and the second fermentation seed solution to obtain a mixed fermentation seed solution; inoculating the mixed fermentation seed solution into a fermentation culture medium for fermentation; the first fermentation seed solution is a pseudoalteromonas gelatinolyticum seed solution; the second fermentation seed solution is a lactobacillus plantarum seed solution; based on the total volume of the fermentation culture medium, the fermentation culture medium is prepared from 20.0-100.0 g / L of dried deep sea fish skin and 0.5-1.5 g / L of sodium carbonate; 0.5 to 1.5 g / L of disodium hydrogen phosphate; 0.1 to 0.5 g / L of monopotassium phosphate; a solvent of the fermentation culture medium is artificial seawater. The deep sea fish skin collagen peptide has a stable collagen structure, is rich in unique collagen functional peptide fragments, and can be applied to the field of cosmetics.

The invention relates to the technical field of anti-fatigue peptide preparation, and discloses an anti-fatigue peptide preparation method, which comprises: 1, raw material pretreatment: selecting fresh deep sea fish skin, washing, dicing, carrying out freeze drying, and carrying out superfine grinding under nitrogen protection to obtain fish skin micro powder; step 2, preparation of a composite enzymatic hydrolysate: mixing trypsin, papain and bromelain according to a ratio, and adding the mixture into a phosphoric acid buffer solution to prepare the composite enzymatic hydrolysate; a compound enzyme and ultrasonic wave synergistic enzymolysis process is adopted, the synergistic effect of the compound enzyme is combined with assistance of ultrasonic waves, full contact of the enzyme and a substrate is promoted, the enzymolysis efficiency is greatly improved, and compared with a traditional single enzymolysis method or a non-ultrasonic-assistance method, the yield of the anti-fatigue peptide is improved by 20% or above; meanwhile, through a macroporous adsorption resin and ultrafiltration membrane two-step purification combination technology, impurities are effectively removed, the product purity is improved by 30% or above, the molecular weight distribution is more uniform, and the product quality is improved.