199 results about "Fish bone" patented technology

The invention relates to the technical field of aquatic product processing, and discloses a fishbone removing device used on a production line, the fishbone removing device comprises a conveyor, the bottom of the conveyor is fixedly connected with a first fixing plate, the side wall of the first fixing plate is fixedly connected with a motor, the side wall of the conveyor is fixedly connected with an inclined plate, and the inclined plate is fixedly connected with the bottom of the conveyor. A motor is started to drive a rotating disc to rotate, a first connecting rod rotates and rotates on the right side of a fixed frame, the first connecting rod can drive the fixed frame to move in a reciprocating mode, in the moving process, the fixed frame slides in a sliding frame through a first sliding frame, the fixed frame descends when moving towards a screen plate, and the screen plate moves towards the fixed frame through rotation of a rotating plate; the second sliding frame slides in the sliding frame, the sieve plate can ascend when moving towards the fixed frame till the fixed frame makes contact with the fish steaks, the fish steaks are rubbed, fish fibers are separated more sufficiently, fish is prevented from being attached to fish bones when squeezed, and fish residues on the fish bones are reduced.

The invention discloses a novel cod bone calcium absorption promoting peptide as well as a preparation method and application thereof, and belongs to the technical field of biological polypeptides. The amino acid sequence of the fish bone calcium absorption promoting peptide disclosed by the invention is as shown in SEQ ID No.1, and the specific sequence is GRGNEGPQ. The fish bone calcium absorption promoting peptide provided by the invention has very high calcium absorption promoting activity and calcium chelation activity, can be used for developing calcium supplement preparations and improving the bioavailability of calcium, and can be used as a functional food ingredient to be applied to preparation of special dietary foods, health foods and calcium nutrition fortified foods or medicines.

The invention relates to application of polypeptide in preparation of a feed additive for improving disease resistance of prawns, and belongs to the technical field of aquaculture. The polypeptide is anglerfish bone polypeptide, and the molecular weight of the anglerfish bone polypeptide is 1000-5000 Da. The anglerfish bone polypeptide prepared by fermentation pretreatment and enzymolysis processes can effectively improve the growth performance, disease resistance and immune function of litopenaeus vannamei. The prawns fed with the feed additive show significant final weight gain and relatively high survival rate, and especially show strong resistance when coping with infection of common pathogenic bacteria such as vibrio parahaemolyticus and the like. Therefore, the survival rate and the production efficiency of the prawns in the culture process are improved, the use of antibiotics can be reduced, the drug residues and the drug resistance of pathogenic bacteria are reduced, and the development of the green and sustainable prawn culture industry is promoted.

The invention provides a biological fermentation feed for enhancing immunity of aquatic animals and a preparation method of the biological fermentation feed, and relates to the technical field of aquaculture. The biological fermentation feed is prepared by compounding fish bone meal, a rice bran fermentation material, soybean meal, a compound fermentation material, visceral meal, orange peel powder, corn starch, compound vitamins, tea saponin and protocatechuic acid. According to the present invention, the defects in the prior art are overcome, the weight gain growth of the aquatic product is comprehensively ensured through the compound addition of the microbial components of the aquatic product feed and the regulation and control of other components, the immunity of the aquatic product is further improved, and the artificial breeding benefit of the aquatic product is comprehensively ensured.

1. The name of this design product: Slow Food Bowl (Fish Bone Dog Paw). 2. Purpose of this product: This product is used to hold pet food. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The utility model relates to the technical field of food processing, in particular to a fishbone removing machine which comprises a supporting mechanism and a fishbone removing mechanism used for removing fishbones, and the fishbone removing mechanism is fixed above the supporting mechanism. The fishbone removing mechanism is arranged, when the fishbone removing device is used, a fishtail is placed on the mechanical clamping jaw, the mechanical clamping jaw is started, the mechanical clamping jaw operates to clamp and fix the fishtail, an electric push rod is controlled to stretch, the electric push rod stretches to drive a movable block and a cutter to move, the cutter moves to make contact with a fish body, and a motor is started; the motor runs to drive the rotating shaft and the winding drum to rotate, the winding drum rotates to wind the traction rope, the mechanical clamping jaw and the fish start to ascend, in the ascending process, the cutter cuts off fish meat on the two sides of the fish bone, the motor stops running when the mechanical clamping jaw ascends to the corresponding position, fish meat cutting is completed, and the cut fish meat falls into the collecting box; by means of the mode, fish meat on the two sides of the fishbone can be rapidly cut off, and the fish meat and fishbone separation efficiency is effectively improved.

The invention relates to the technical field of fish slice sorting and feeding, and discloses a fish slice sorting and automatic feeding platform conveying line which comprises a weighing frame, a weighing device is arranged in the weighing frame, and fish slices needing to be sorted after fish bone touching are weighed through the weighing device; the device comprises a placing frame, a connecting frame, a station table, a material pushing and feeding mechanism, a material storage mechanism and a conveyor. The material pushing and feeding mechanism is arranged, the conveyor is installed on one side of the station table, specifically, fish slices on the containing frame can be directly conveyed to the station table through conveying of the stirring piece and the feeding piece, workers only need to stand on the other side of the station table to conduct bone mold processing in the processing process, and the working efficiency is greatly improved. And the fillets are directly conveyed to the conveyor after bone touching, and then the fillets can be conveyed to the matching section of the sorting machine in sequence for sorting, so that the temperature of the fillets is prevented from rising in the storage process, and the product quality is ensured.

The invention discloses a preparation method of composite active peptide with anti-wrinkle, whitening and freckle-removing effects from marine fish byproducts, cod byproducts, namely fish heads, fish bones and fish skins, are used as raw materials and are mixed according to the mass ratio of 3: 3: 4, and the composite active peptide is prepared through the steps of pretreatment, enzymolysis, enzyme deactivation, centrifugal separation and purification. A compound enzyme used in the enzymolysis step is composed of trypsin and papain according to a certain proportion, and the enzyme addition amount, the enzymolysis time, the enzymolysis temperature and other conditions are optimized. The prepared composite active peptide with the anti-wrinkle, whitening and freckle-removing effects from the marine fish by-product has good anti-wrinkle, whitening and freckle-removing effects, resource utilization of the cod by-product is achieved, and the composite active peptide has high application value.

The utility model discloses fish processing boning equipment which comprises a base, a conveying platform is arranged at the top end of the base, fish clamping conveying belts are arranged at the edges of the two sides of the top end of the conveying platform, two middle bone cutters are arranged at the top end of the conveying platform through notches, and a fishbone discharging opening is formed in the bottom of the conveying platform below the middle bone cutters. And driving shafts are arranged on one sides of the two middle bone cutters, and the outer surfaces of the two driving shafts are installed in the conveying platform through bearings. According to the fish processing boning device, the fish clamping conveying belt and the middle bone cutter are used in cooperation, so that the fish processing boning device does not need manual boning, safety is high, operation can be completed without rich fish processing experience, the fishy smell is prevented from staining the hands during fish processing, the reverse scraper and the water injection nozzle are used in cooperation, fish scales are scraped and cleaned, and the fish processing boning device is convenient to use. And the fish is clearer during treatment and processing, manual fish scale removal is not needed, and the processing efficiency is high.

The invention provides a biological preparation for regulating placenta dysplasia, and belongs to the technical field of gynaecology and obstetrics. Core effective components of the biological preparation are lutjanus mixed polypeptide with the molecular weight ranging from 2 kDa to 10 kDa, and the lutjanus mixed polypeptide is prepared by combining lutjanus fish bones, fish scales and fish flesh according to the mass ratio of 5: 3: 2 through the steps of desalting treatment, ultrasonic-assisted degreasing, double-enzyme synergistic enzymolysis, double ultrafiltration purification and the like. Experimental results show that the lutjanus mixed polypeptide has a remarkable protection effect on a human trophoblast cell line HTR-8 / SVneo in a high-glucose environment, and can effectively promote cell proliferation and migration and reduce high-glucose-induced cell damage. Therefore, the biological preparation provides a novel effective intervention means for placenta dysplasia caused by gestational diabetes mellitus, and has a good application prospect.

The utility model relates to the technical field of enzymolysis, and provides a fishbone oligopeptide enzymolysis device which comprises a supporting frame, an enzymolysis shell is fixedly arranged at the top end of the supporting frame, a rotating shaft is rotationally arranged in the enzymolysis shell, three stirring rods are arranged on the outer side of the rotating shaft in a sleeving mode, a stirring scraping rod is fixedly arranged on the outer side of the lower portion of the rotating shaft, and the stirring scraping rod is arranged on the outer side of the lower portion of the rotating shaft. The outer side of the stirring scraping rod is attached to the inner wall of the enzymolysis shell, a feeding port is formed in the top end of the enzymolysis shell, a discharging channel is fixedly arranged at the top end of the feeding port, a smashing shell is fixedly arranged at the top end of the discharging channel, a feeding port is formed in the top end of the smashing shell, and a smashing wheel is rotationally arranged in the smashing shell; a plurality of filtering holes are formed in the inner wall of the lower portion of the smashing shell, and through the technical scheme, the problems that in the enzymolysis process of fish bones in the prior art, due to the fact that bone particles of the fish bones are large, the fish bones are not thoroughly connected with enzyme in the enzymolysis process, the enzymolysis effect is affected, and resources are wasted are solved.

The invention discloses a fish body slicing and sorting integrated device, which relates to the technical field of food processing equipment, and comprises a rack, a claw bracket, a fish meat bracket, a blade bracket, a sorting air tap, a blanking air tap and a fish bone separation cutter. The invention further discloses a processing method of the fish body slicing processing and sorting integrated device. The processing method comprises the steps of feeding, separating bones from meat, slicing fish meat, sorting fish slices and discharging. By arranging the fishbone hooks, the fish meat bracket and the fishbone separation cutter, when a fish body is sliced, the upper and lower groups of fishbone hooks can be turned over and inserted into the end part of the fishbone in the fish body and clamp the forked part of the fishbone, so that the fishbone is hooked, and the fishbone hooks can horizontally drive the fish body to move; in the traction process of the fish body, the obliquely designed fishbone separation cutter can be inserted into the fish body and is attached to the surface of the fishbone, so that the fishbone and the fish meat are separated in the traction process of the fish body.

The invention relates to the technical field of material grinding, in particular to a grinding device for solid organic fertilizer production and processing. Comprising a base which is fixedly connected with a rack; the hydraulic push rod is fixedly connected to the rack, and a telescopic part of the hydraulic push rod is fixedly connected with a first grinding ring; the motor is fixedly connected to the base, an output shaft of the motor is fixedly connected with a transmission frame, the transmission frame is provided with a grinding disc, the rack is fixedly connected with a second grinding ring, and the outer diameter of the first grinding ring is equal to the inner diameter of the second grinding ring; and the collecting shell is fixedly connected to the base. Fish bones are extruded through the first grinding ring, it is guaranteed that the fish bones make full contact with the grinding disc firstly, then the fish bones can move in a gap between the grinding disc and the second grinding ring through a pretreatment mode that the first grinding ring and the grinding disc are further refined under grinding, and the problem that the fish bones are clamped in the gap of the grinding disc due to the shape and size is solved; and the grinding work efficiency is ensured.

The invention relates to a well pattern combination method using super heavy oil difficult-to-exploit reserves, and belongs to the technical field of oil exploitation. The method comprises the following specific steps: step 1, analyzing a main reason that the vertical well is difficult to use in development; 2, when the development of the vertical well is poor, horizontal well development is deployed; and thirdly, the steam injection mode is adjusted on the basis of the second step. According to the method, fishbone horizontal well and horizontal well vertical staggered superposition type well pattern deployment is adopted, meanwhile, a branch horizontal well and horizontal well staggered superposition combined huff and puff mode is created on the matched technology, the one-time tubular column pump circulation steam injection technology is assisted, steam cavity balanced expansion is achieved, overall heating of an oil reservoir is facilitated, and the oil reservoir quality is improved. And the transformation of the steam wave and volume from'point 'to'body' is accelerated, and the oil reservoir temperature is gradually increased, so that the steam development effect is improved, and the utilization of the difficult-to-exploit reserves of the super heavy oil reservoir is realized.

The invention belongs to the technical field of biology, and particularly relates to a construction method of epigenome edited zebrafish, sgRNA of a targeted zebrafish runx2b gene promoter region and application of the sgRNA. The invention provides a construction method of epigenome edited zebrafish, which comprises the step of carrying out methylation editing by using a CRISPR / dCas9-methyltransferase system targeting runx2b gene promoter region, thereby inhibiting runx2b gene expression and reducing intermuscular bone formation. According to the method, the expression level of the runx2b gene is accurately regulated and controlled through an epigenetic editing technology on the premise that a DNA sequence is not changed, and formation of fish intermuscular bones is effectively reduced. The zebra fish F0 treated by the method represents that the runx2b mRNA expression level is obviously reduced, and the intermuscular bones of the eleventh to sixteenth sarcomedo regions of adult F0 generation fish are obviously shorter than those of a control group, and the shortening range reaches 23.3% to 38.8%. Besides, the method provides theoretical basis and technical support for improving fish economic traits by accurately regulating and controlling the expression mode of the key economic trait gene and simultaneously keeping the integrity of genome DNA (Deoxyribose Nucleic Acid).

The invention relates to the technical field of biology, in particular to a biological substrate modification composition, a preparation as well as a preparation method and application of the biological substrate modification composition. The biological substrate modification composition provided by the invention is prepared from the following components: bacillus subtilis YXSY-01 bacterial powder, sphingomonas aquatic bacteria HD-01 bacterial liquid, bentonite, oyster shell powder, attapulgite, zeolite powder, fish bone meal of raw fish and water. The biological substrate modification composition is prepared from the following raw materials in parts by weight: 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch and 20-30% of corn starch. The biological substrate modification composition and the preparation provided by the invention have the capabilities of degrading faeces of bred animals and reducing the content of nitrite. The composition and the preparation can reduce the accumulation of excrement of cultured animals in a culture pond, reduce the nitrite content, purify the water quality of the culture pond and reduce the morbidity of the cultured animals.

The present invention discloses a weighing chicken cage with a fishbone weighing device, comprising a frame, a net cage, a feed trough, a conveyor belt and a weighing mechanism, wherein a plurality of support frames are arranged in the middle of the frame, and the net cages are arranged in two parallel rows in front and back on the support frame, the feed trough is arranged on the support frame on the outward side of the net cage, the weighing mechanism is located on the lower side of the support frame, and the conveyor belt is arranged on the lower side of the weighing mechanism. The present invention adopts a weighing chicken cage with a fishbone weighing device of the above structure, which can weigh the entire chicken cage at any time, is convenient and fast, reduces the weighing cost, and improves the stability and accuracy of weighing.

The invention provides a fishbone-shaped horizontal salt cavern cavity group and a construction method and application thereof, and the construction method comprises the following steps: step 1, drilling a main vertical well to a target salt rock layer section, and expanding the lower end of the main vertical well; 2, a horizontal well is drilled beside the main vertical well, the horizontal well is the main horizontal well, and the drilling direction of the horizontal section of the main horizontal well faces the main vertical well till the horizontal section of the main horizontal well is communicated with a cavity at the lower end of the main vertical well; 3, cavity expansion is conducted on the horizontal section of the main horizontal well, and a main horizontal cavity is obtained; 4, a plurality of horizontal wells distributed in the length direction of the main horizontal cavity at intervals are drilled in the two sides of the main horizontal cavity respectively, the horizontal wells on the two sides of the main horizontal cavity are branch horizontal wells, and the drilling directions of horizontal sections of the branch horizontal wells face the main horizontal cavity till the horizontal sections are communicated with the main horizontal cavity; and 5, the horizontal section wells of the multiple branch horizontal wells are subjected to cavity expansion, branch horizontal cavities are obtained, in this way, the cavity size of the gas storage can be effectively increased, and the storage building cost is reduced.

1. Name of the designed product: ceramic tile (streaming stone companion · fish bone). 2. Use of the designed product: the designed product is a building decoration product, specifically a wall and floor decoration tile. 3. Design points of the designed product: the shape and pattern shown in design 1 front view. 4. Picture or photo that best indicates the design points: design 1 front view. 5. The rear view, left view, right view, bottom view and top view of design 2, design 3 and design 4 are the same as design 1, and the rear view, left view, right view, bottom view and top view of design 2, design 3 and design 4 are omitted. 6. Design 1 is designated as the basic design.

The utility model relates to the technical field of fish bone crushing devices, and discloses a salmon bone residue crushing device which comprises a box body, a first working box is fixedly connected to the position, close to one side, of the top face of the box body, and a rotating rod is movably connected to the middle of the first working box in a sleeved mode. The portion, close to one end, of the outer wall of the rotating rod is movably connected to the middle of the first working box in a sleeving mode, one end of the rotating rod is fixedly connected with a movable cutter in a sleeving mode, fishbones are poured in from the feeding hopper and flow into the feeding plate from the feeding hopper, and a notch is formed in the middle of a box cover and corresponds to a notch in the middle of the positioning cutter. A driving motor drives a rotating rod to rotate, the rotating rod drives a movable cutter to rotate in the first working box to smash the fish bones, and when the movable cutter rotates at a high speed, under the action of cutter blades, the circulation re-beating of carrier airflow in the first working box is increased; and the grinding effect of the crushed fish bones is greatly improved.

The invention discloses a preparation method of fishbone collagen tripeptide, which comprises the following steps: soaking fishbone dust (30-60 meshes) in a choline-arginine eutectic solvent, stirring, centrifuging or filtering, and collecting supernate; adding pure water with the volume 3-6 times that of the supernatant into the supernatant, standing for more than 24 hours, centrifuging or filtering again, and collecting the supernatant; carrying out tangential filtration treatment by adopting a nanofiltration membrane with the molecular weight cutoff of 200Da, recovering the eutectic solvent in the filtrate through vacuum concentration, adding pure water into the trapped fluid, carrying out repeated nanofiltration treatment to remove solvent residues, and collecting the trapped fluid; and carrying out spray drying on the trapped fluid to obtain a powder product with the collagen tripeptide content of more than 50%. Compared with a traditional enzyme method for preparing fishbone collagen tripeptide, the method disclosed by the invention has the advantages that the extraction rate is high, a deliming step is not needed, the enzyme cost is saved, an extraction solvent is green and can be recycled, and the like.

The invention belongs to the technical field of solid waste treatment, and particularly discloses a preparation method for increasing the content of soluble calcium in fish bones. The method comprises the following steps: pretreating fish bones to obtain fish bone powder; mixing fish bone meal and water, and sterilizing to obtain a fermentation substrate; according to the method, bacillus subtilis, lactobacillus plantarum and saccharomycetes are adopted for multi-strain sequential fermentation, the bacillus subtilis is inoculated firstly for ventilation fermentation for 2-4 days, the pH is adjusted to 6.5-7.0, then sterilization is performed, a carbon source is added, a mixed bacterium solution of the lactobacillus plantarum and the saccharomycetes is inoculated, and ventilation fermentation is performed for 2-4 days. Through a specific strain combination and an innovative sequential fermentation process, the enzyme production capacity of bacillus subtilis and the acid production capacity of lactobacillus plantarum and saccharomycetes are remarkably improved, dissolution of calcium in fish bones is synergistically promoted, the problem of bitter taste generated by a traditional enzymolysis method is avoided, and the method has the advantages of high efficiency, greenness and complete nutrition retention.

The invention discloses a preparation method of micro-nano fishbone dust particle-based Pickering emulsion and a product, and belongs to the technical field of food processing, fishbone is sequentially subjected to enzymolysis, degreasing, high-pressure cooking and drying, and fishbone coarse particles are obtained; carrying out micro-nano processing on the fishbone coarse particles to obtain micro-nano fishbone particles; mixing the micro-nano fishbone particles with water, and performing mechanical homogenization and ultrasonic treatment in an ice bath to obtain a micro-nano fishbone particle dispersion liquid; and mixing the micro-nano fish bone particle dispersion liquid with liquid oil, and carrying out homogeneous emulsification in an ice bath to obtain the micro-nano fish bone powder particle-based Pickering emulsion. The invention provides the Pickering emulsion prepared by taking the food-grade micro-nano fishbone particles as the solid stabilizer, the Pickering emulsion has wide application potential and prospect, sustainable full utilization of aquatic product processing by-product fishbone is realized, resources are saved, and environmental pollution is reduced.

1. The name of the design product: bone sawing machine. 2. The use of the design product: used for cutting various small and medium-sized animal bones, frozen meat, belt fish bones, frozen fish, ice blocks. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The bottom of the design product is not easy to see or not visible during use, omit the top view.

The multi-stage separation fish meal and fish bone screening machine comprises a roller device and a collecting cover, the roller device and the collecting cover are both installed on a support and are inclined, the roller device is rotatably installed on the upper portion of the support, and the collecting cover is installed on the lower portion of the support. The collecting cover is fixedly installed on the lower portion of the support and located below the roller device, a collecting hopper auger is rotatably installed in the collecting cover, when crude fish meal enters the powder screening machine from the feeding port, the crude fish meal can turn over and roll along with the roller device, and the fish meal can be screened and separated by a front screen and falls into a collecting device on the lower portion. The material collecting device drives a material collecting hopper auger to rotate, fish meal is conveyed to the discharging hopper below the first section of screen, and after being screened out in the last section of screen, fish bones independently fall into the discharging hopper below the last section of screen.

1. The name of the design product: fishbone clip. 2. The use of the design product: used for removing fish bones or fish bones when cooking or processing fish. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The invention discloses a preparation method of low-molecular-weight takifugu rubripes fishbone collagen peptide. The preparation method comprises the following steps: under a low-temperature condition, naturally unfreezing takifugu rubripes fish bones, washing the fish bones with distilled water, cutting the fish bones into pieces, adding a NaOH solution and stirring to remove impure protein, adding an EDTA-2Na solution and stirring to remove mineral substances, adding an isopropanol aqueous solution and stirring to remove fat, then washing the fish bones with distilled water, drying the fish bones in a drying oven, and crushing the fish bones with a universal crusher to obtain the takifugu rubripes fish bones. Adding water and compound protease, performing enzymolysis in a water bath, inactivating in a boiling water bath, centrifuging, taking supernatant, and performing freeze drying to obtain collagen peptide powder. The preparation raw materials are low in cost and easy to obtain, and the content of crude protein and collagen is high. According to the extraction method, a relatively mild enzyme method is selected for preparation, the influence on the collagen peptide is relatively small, alkaline protease and arenga pinnata plant protease are combined for use, Neutrase enzyme and Alcalase enzyme are combined for use, and a synergistic effect is achieved.

The invention discloses a middle bone removing slicer for yellow croaker production, which comprises a machine main body, first feeding belts, a bone removing blade, a second feeding belt and an adjusting plate, the bone removing blade is mounted on the surface of the machine main body through a rotating rod, and the first feeding belts are mounted on the surface of the machine main body on one side of the bone removing blade through a first rotating cylinder; the second feeding belts are installed on the surfaces of the portions, on the two sides of the boning blade, of the machine body through second rotating cylinders, the adjusting plates are arranged at one ends of the surfaces of the machine body, driving grooves are formed in the portions, below the adjusting plates, of the machine body, two-way lead screws are installed in the driving grooves, and the outer walls of the two-way lead screws are sleeved with sliding blocks in a threaded mode. The yellow croaker deboning and slicing device not only can automatically deboning and slicing, can flatten yellow croaker bodies and improve the accuracy of deboning and slicing, but also can wash and drain fish meat, so that the fish meat and fish bones are kept clean.

1. Name of the product in this design: Pull-out clip. 2. Purpose of this design: For plucking hair and removing fish bones. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The application discloses a preparation method of sturgeon peptide and application of the sturgeon peptide in improving immunity and sexual function. The method comprises the following steps: S1, one or more of sturgeon cartilage, fish bone and fish skin are crushed after being thawed, and pure water is added according to a material-liquid ratio of 1:3-1:4 and is pumped into an enzyme hydrolysis tank; S2, the enzyme hydrolysis tank is heated to 85-90 DEG C under the condition of a closed low pressure of 0.06-0.08 MPa, and protein is denatured for 15-20 min; S3, the temperature is reduced to 60-65 DEG C, the pH is adjusted to 8.0-8.5, 2‰-3‰ alkaline protease of the raw material amount is added, and constant-temperature enzyme hydrolysis is carried out for 170-190 min; the temperature is increased to 85-90 DEG C after the enzyme hydrolysis is completed, and the enzyme is inactivated for 14-16 min; S4, decolorization is carried out; S5, filtration and concentration are carried out; S6, vacuum concentration is carried out; S7, sterilization and drying are carried out, and sturgeon peptide finished products are obtained. The sturgeon peptide obtained by the preparation method has small molecular weight and high active ingredients.