42 results about "Fish skin" patented technology

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 the technical field of fishbone separating device, in particular to a fishbone separating machine for fish food processing, which comprises a base, the upper end of the base is fixedly connected with a processing cylinder, the outer side of the processing cylinder near the upper position is a feeding port, the inner side of the processing cylinder is provided with an extrusion roller shaft, the lower side of the extrusion roller shaft of the processing cylinder is fixedly connected with a filter cartridge, the inner side of the filter cartridge is installed with a separating mechanism for discharging minced meat, the inner side of the separating mechanism is installed with a fishbone removing mechanism for processing fishbone inside the filter hole of the filter cartridge, the hollow shaft and the installation cylinder are axially advanced by cooperating with the material removing assembly, the minced meat inside the filter cartridge can be stably and non-residually pushed outwards, which effectively avoids the decrease of separation efficiency caused by the accumulation of minced meat and the blockage of fishbone; the fishbone, fish skin and other waste materials outside the filter cartridge are synchronously cleaned by the driving arc-shaped scraper, forming a linkage operation mode of synchronous minced meat pushing and fishbone waste discharging.

This invention relates to a pufferfish TRPV1 inhibitory peptide, its preparation method, and its application. The amino acid sequence of the peptide is LDIF. The preparation method includes: 1. Enzymatically hydrolyzing pufferfish skin, then inactivating the enzyme, and screening for peptides with a molecular weight not greater than 1 kDa from the hydrolysate, followed by freeze-drying to obtain the pufferfish skin enzymatic hydrolysate peptide; 2. Performing mass spectrometry analysis on the pufferfish skin enzymatic hydrolysate peptide, using mass spectrometry analysis software, and selecting multiple non-repeating peptide sequences based on the criteria of confidence level -10lgP > 20 and amino acid count < 10; 3. Molecularly docking the selected peptide sequences with the TRPV1 receptor using software to select peptide sequences with strong binding affinity to the TRPV1 receptor; 4. Solid-phase synthesis of the selected peptide sequences to obtain the peptide LDIF. This invention uses pufferfish skin as raw material to obtain a peptide with good inhibitory effect on TRPV1, which can be used to prepare skin care products for soothing sensitive skin.

This application belongs to the field of biotechnology, specifically relating to giant salamander skin collagen peptides, their preparation methods, and applications. This application provides a method for preparing giant salamander skin collagen peptides. The method first pre-treats the fish skin, then performs ultrasonic-assisted extraction under acidic conditions to effectively promote collagen dissolution. The extract undergoes flocculation to remove impurities, significantly reducing interference from other proteins. The enzymatic hydrolysis stage employs a stepwise enzymatic hydrolysis strategy: first, a combination of alkaline protease and another specific protease is used for hydrolysis, sequentially cleaving the complex structure of giant salamander skin collagen to improve initial hydrolysis efficiency and generate specific intermediate peptides; subsequently, a flavor protease is added for further deep hydrolysis to achieve complete hydrolysis. This method has high enzymatic hydrolysis efficiency, controllable hydrolysis degree, concentrated molecular weight distribution of the obtained collagen peptides, high yield of the target product, and stable process.

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.

This invention relates to an efficient process designed to recycle materials from the food industry, preferably fisheries, such as materials extracted from fish skin, thereby enabling a universal, at least partially recyclable and sustainable process for consumer products, including bioplastic films.

1. Name of the designed product: ornament (ice and snow fish skin picture). 2. Use of the designed product: the designed product is used for ornament and display. 3. Design points of the designed product: in shape. 4. Picture or photo showing the design points: perspective view.

1. Name of the designed product: packing bag (fish skin). 2. Use of the designed product: for packing products. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo showing the design points: perspective view 1.

The application discloses collagen tripeptide and a preparation method and application thereof, and belongs to the technical field of bioengineering. The preparation method comprises the following steps: obtaining bacillus velezensis with high collagenase yield through separation and identification, the bacillus velezensis belongs to probiotics, and high-activity collagenase is obtained through fermentation culture and purification; taking shark cartilage or blue fish skin as raw materials, and obtaining collagen tripeptide through the following steps of combined enzymolysis of alkaline protease and collagenase after pretreatment, inactivation, centrifugal separation and freeze-drying. The collagen tripeptide prepared by the application has a molecular weight of less than 500 Dalton, contains active components such as GHK tripeptide, is easy to absorb and has high safety, and can be used for preparing antioxidant products, anti-inflammatory products, memory-enhancing products or immunity-enhancing products. The application solves the problems of unsafe collagenase source and low collagen tripeptide preparation efficiency, and has a good industrial application prospect.

The utility model discloses a dehydration device for fish skin processing, including cylinder, motor is fixedly installed to the bottom surface of cylinder, and the output of motor is fixedly connected with drive shaft, and the top of drive shaft is fixedly connected with the rotating plate, and the placing box is set up on the rotating plate, and the placing groove is seted up on the rotating plate upper surface, and the rotating plate upper surface is fixedly connected with the connecting column, and the cross -wise clamping groove is seted up in the connecting column center, and the hydraulic cylinder is fixedly installed to the top of cylinder, and the output of hydraulic cylinder is rotatably connected with the moving plate, and the bottom surface of moving plate is fixedly connected with the extruding block, and the bottom surface of moving plate is fixedly connected with the clamping plate. The utility model discloses through extruding block and press down the moisture in the inside fish skin extrusion, and the centrifugal force of rotating plate rotation carries out the dehydration to fish skin, improves the efficiency of fish skin dehydration, and the effect of dehydration is strengthened through the dehydration of double mode, and the cooperation of placing groove and placing box can simultaneously carry out the dehydration to the fish skin in multiple placing boxes, and the capacity of single dehydration of overall device is expanded.

The application relates to the cleaning field and discloses a cleaning device of a fish skin degreasing equipment. In the application, the cleaning device of the fish skin degreasing equipment comprises an upper loading plate, the upper end of the upper loading plate is fixedly connected with a placing box, a plurality of rotating shaft plates are fixedly connected in the inside of the placing box, clamping belts are rotationally connected to the side surfaces of the rotating shaft plates, the clamping belts are clamped in clamping grooves arranged in a rectangular clamping groove plate, the position of a clamping plate in the rectangular clamping groove plate is fixed, the position of the clamping belt is ensured to be stable, the water spraying head assembly at the lower end is limited, the position of the water spraying head assembly is ensured to be stable, the rotating use of the clamping belt is facilitated by using the rotating shaft plates, the staff can conveniently control and use, the working position of the connecting spring is limited by the limiting plate, and the position stability between components is ensured.

This invention relates to the field of food packaging materials technology, and discloses an edible antibacterial packaging film containing tilapia skin gelatin hydrolysate peptides, comprising the following components: tilapia skin gelatin: 55-65%; antibacterial peptides: 18-22%, wherein the molecular weight of the antibacterial peptides is less than 5 kDa, prepared by microwave-ultrasound synergistic directional enzymatic hydrolysis of gelatin; tea polyphenols: 0.8-1.2%; nanocellulose: 0.8-1.2%; citric acid: 0.8-1.2%; the balance being deionized water; in the preparation of the antibacterial peptides: the microwave parameters are 2.45 GHz, 300-500 W, pulse mode on for 25-35 seconds / off for 8-12 seconds; the ultrasonic parameters are 18-22 kHz, 180-220 W, and are synchronously turned on with the microwave pulse; the tea polyphenols and nanocellulose form a composite reinforcing agent through pre-adsorption and covalent cross-linking. By modifying the interface between tea polyphenols and nanocellulose, a uniformly dispersed composite reinforcing network is formed, which effectively enhances the mechanical strength and deformation resistance of the gelatin matrix, while reducing water vapor permeability, making the material more suitable for food packaging needs in high humidity environments.

The application discloses a preparation method and application of a recombinant collagenase type I and a mutant thereof. A mutant of the collagenase type I is provided in the application, and the mutant has good alkali resistance and can be applied to enzymatic extraction of fish skin waste. The application further provides an expression method of the recombinant collagenase type I and the mutant thereof based on a prokaryotic expression system. The expression method can improve the expression amount of soluble protein, and the product has high activity and is suitable for industrial amplification production.

This invention discloses a method for deodorizing rainbow trout skin using a blanching-tea polyphenol coupling process. The method includes the following steps: S1. The fish skin is frozen and thawed at 4°C before use. After thawing, the muscle tissue attached to the surface of the fish skin is mechanically scraped off to remove residual meat scraps and impurities, and then the fish skin is washed. S2. The fish skin treated in step S1 is cut into fish skin samples of the same shape according to the same specifications. S3. The fish skin cut in step S2 is blanched in pure water at a medium temperature for a short time. S4. The fish skin blanched in step S3 is soaked in a tea polyphenol solution of a certain concentration at room temperature for 60 minutes and then drained. This invention is green, natural, and deeply deodorizes the fish. The blanching-tea polyphenol coupling process effectively improves the defects of heavy residual fishy smell and high risk of undesirable residues, and has broad application prospects in the field of high-value utilization of fish by-products.

1. Name of the product in this design: Clothing Chain (Fish Skin). 2. Purpose of this design: This design is intended for use in the decoration of clothing. 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. 5. As shown in other views, the left view, right view, top view, and bottom view are omitted.

This invention relates to the field of bio-health technology, specifically a method for preparing and applying a peptide composition. The preparation method includes the following steps: S1, preparation of hydrolyzed fish collagen as a raw material for the peptide composition; S11, enzymatic hydrolysis of fish skin collagen; S12, purification using ion exchange resin; S2, mixing and preparing the peptide composition. The peptide composition prepared by this method is used in skin brightening and spot-fading products, with a peptide content of 0.5-10%. The hydrolyzed fish collagen produced by this invention is highly compatible with palmitoyl oligopeptides without precipitation. Furthermore, this invention uses a 0.22-micron polypropylene membrane for filtration, which uses less water and is more efficient than ultrafiltration or nanofiltration, thus preventing bacterial contamination from prolonged filtration of protein peptides. This invention combines hydrolyzed fish collagen with palmitoyl oligopeptides such as palmitoyl tripeptide-5, resulting in excellent anti-wrinkle activity when applied to skincare products.

Provided are a biological patch, a preparation method therefor, and use thereof. The biological patch is a fish skin-based biological patch, and contains a first fatty acid and a second fatty acid. A mass percentage of the first fatty acid in the biological patch is greater than or equal to 1.4%, and a mass percentage of the second fatty acid in the biological patch is less than or equal to 2.0%. The first fatty acid includes at least two of butyric acid, caprylic acid, lauric acid, myristic acid, pentadecanoic acid, etc. The second fatty acid includes an ω-6 unsaturated fatty acid. The biological patch includes collagen fibers with a certain diameter, and the biological patch includes micropores with a certain pore size and a certain porosity. The preparation method for the biological patch includes degreasing, pigment removal, and decellularization. The obtained biological patch is used for repairing soft tissue or used as a skin repair dressing. The biological patch can reduce or eliminate inflammatory response of an administration site, and exhibit good mechanical performance and degradation performance.

This invention relates to the technical field of specialized equipment for agricultural and sideline food processing, specifically to a processing apparatus and method for low-temperature vacuum tumbling and marinating fish products. The apparatus includes a vacuum chamber and a horizontally rotating drum. Several sets of extrusion components are evenly arranged along the circumference of the drum. Each extrusion component includes a telescopic pressure plate, an elastic reset component, and a lever drive component; one end of the lever drive component is an abutment end, and the other end is a gravity end. During drum rotation, the gravity end is driven by gravity to oscillate back and forth around a fulcrum axis. When it is in the lower half of the drum's circumference, it pushes the telescopic pressure plate radially inward, deeply extruding and massaging the bottom layer of fish products. When it is in the upper half of the circumference, it releases the telescopic pressure plate to reset its position. This invention cleverly utilizes gravity to achieve active extrusion, significantly improving the penetration efficiency of the marinating liquid without increasing additional power load, and effectively avoiding mechanical damage to the fish skin caused by the fixed structure, thus improving processing quality and production efficiency.

FIELD: pharmaceuticals.SUBSTANCE: relates to a formulation in the form of capsules for oral administration, for immediate release of a native collagen product. A formulation in the form of capsules for oral administration, for immediate release of a native collagen product, which is a gelatin capsule containing a central part, the central part contains a native collagen product from fish skins, ascorbic acid and an anti-caking component – calcium stearate, wt.%: native collagen product 83.08, ascorbic acid 14.96, calcium stearate 1.96.EFFECT: intended for oral administration for immediate release of the native collagen product.1 cl

This invention discloses a method for decellularizing milkfish skin to produce a skin patch. The method involves a series of steps, comprising: (1) pretreatment of milkfish skin; (2) deodorization; (3) decellularization; (4) decolorization; (5) extensive washing; (6) lyophilization; and (7) sterilization. The present method employs a simpler processing approach while ensuring the removal of cellular components and preserving the structural and biological integrity of the extracellular matrix. This makes the milkfish skin patch suitable for various applications in tissue engineering and regenerative medicine.

The utility model relates to food manufacturing equipment's technical field especially, and it is a kind of instant fish product peeling device, when using, the fish meat to be peeled is placed on conveying assembly, fish skin is below fish chunk, conveying assembly conveys fish chunk to the inside of shell and is peeled by peeling assembly Operation, improve peeling sufficiency;Including shell, top cover and conveying assembly and peeling assembly, the shell top end is provided with top cover, shell interior is separately provided with a group of conveying assembly and peeling assembly, the conveying assembly is used to fish meat conveying, the peeling assembly is used to remove fish skin below fish meat.

The present application relates to the technical field of food processing, and particularly relates to a preparation method and application of fish skin collagen peptide, and a collagen-absorbable jelly and a preparation method thereof.The present application provides a preparation method of fish skin collagen peptide, and the method comprises the following steps: firstly, mixing freeze-dried fish skin and phosphate buffer solution, boiling and then enzymolysis; then, centrifuging the enzymolysis product, taking the supernatant for drying, and obtaining fish skin collagen peptide; the prepared fish skin collagen peptide can be used in the preparation of an anti-anxiety product.The present application also utilizes a composite gel, metal ions, citric acid and fish skin collagen peptide to be compounded to obtain a collagen-absorbable jelly which has certain elasticity, adhesiveness, chewiness, good water retention and sensory evaluation.

1. The name of the design product: packaging bag (non-Hishimanchuan flavor fish skin). 2. The use of the design product: used as a packaging bag. 3. The design points of the design product: the combination of shape, pattern and color. 4. The picture or photo that best indicates the design points: front view. 5. The design for which protection is sought includes color. 6. The design product is a flat product, and other views are omitted.

This invention belongs to the field of cosmetic preparation technology, specifically relating to a composition with anti-aging and whitening effects and its preparation method. The composition comprises 8-10 parts by weight of cyclophosphamide skin extract, 1-2 parts of lemon extract, and 0.25-1.25 parts of pullulan. Cyclophosphamide skin extract is rich in small-molecule marine collagen active peptides and various skin-friendly amino acids, which can reduce collagen fiber degradation and loss, and improve early signs of aging such as skin laxity and fine lines. Lemon extract is rich in natural, highly active polyphenols, flavonoids, and vitamins, exhibiting outstanding antioxidant capacity. It can quickly remove excess free radicals from the skin, alleviate oxidative stress damage, and improve dullness and pigmentation. Pullulan, as a natural water-soluble high-molecular-weight moisturizing film-forming matrix raw material, can form a thin, breathable protective film on the skin surface, effectively locking in moisture. Therefore, the above composition can be used for anti-aging and whitening.

This utility model relates to the field of collagen peptide extraction technology, specifically an extraction device for fish collagen peptides. It includes a frame assembly, an extraction assembly, a feeding assembly, and a stirring assembly. The frame assembly includes a mounting frame; the extraction assembly includes an extraction cylinder; the feeding assembly includes a feeding cylinder; and the stirring assembly includes a motor and a filter box. The inner wall of the extraction cylinder is fully welded with a heat-conducting plate, forming a sealed heating layer between the extraction cylinder and the heat-conducting plate. A steam pipe is spirally wound inside the heating layer. Stirring blades are welded to the outer wall of the stirring shaft. The stirring blades exert shear force on the material, disrupting the raw material's structure, making it easier for collagen to be released from the fibers and dissolve in the aqueous phase. Simultaneously, it prevents fish skin residue or colloids from accumulating at the bottom of the extraction cylinder and prevents material near the heat-conducting plate from carbonizing due to localized overheating. During drainage, the stirring blades can push the material towards the conveying pipe, reducing residue.

The application discloses a carp attracting method based on an analog wake path bionic robot fish, and provides a complete scheme for precisely attracting carps. The robot fish is 40 cm in full length, is divided into four parts such as a fish head and a fish body, is internally provided with three rudders as movable joints, is externally covered with soft rubber waterproof fish skin, has motor noise controlled in 60-80 dB, and supports remote control through Bluetooth. The working process of the robot fish is as follows: first, light and water flow speed information is collected; then, four behavior parameters such as carp swimming speed and speed synchronism are obtained through a quantitative formula; subsequently, the swimming speed, tail swing frequency and trajectory are adjusted according to the environment and parameters; the light environment adopts a circular trajectory, and the dark environment adopts a close-range circling trajectory; finally, the wake path of the carp is simulated to induce the carps to form leading and following behaviors. The scheme realizes dynamic adaptation of fish attracting strategies, greatly improves the success rate of fishway fish attracting, and is suitable for carp migration guiding and breeding management.

This invention provides a fish skin collagen extract and its application in anti-aging and anti-wrinkle treatments, belonging to the field of biomedical materials. This invention utilizes biomimetic mineralization technology, using collagen fibers as templates to guide the in-situ growth of zeolite molecular sieves, constructing a nano-confined reactor, and then employing a vitamin C / copper ion catalytic system for directional shearing to precisely prepare collagen peptides with molecular weights concentrated in the 1000-1500 Da range. This extract possesses excellent functions in promoting collagen synthesis, anti-oxidation, anti-glycation, and repairing the skin barrier, solving the problems of existing collagen peptide products such as a single anti-aging mechanism, wide molecular weight distribution, uncontrollable activity, and potential sensitization. The preparation process of this invention is simple and mild, and the product has high activity and good safety, making it suitable for preparing high-end anti-aging and anti-wrinkle cosmetics.

This invention relates to an environmentally friendly polypeptide-based water-based lubricant additive and its preparation method. The additive is a polypeptide component extracted from fishery waste such as fish skin, exhibiting good biodegradability, good solubility in water-glycol lubricating fluid, and good friction-reducing effects. The polypeptide additive involved in this invention is an environmentally friendly friction modifier.

This utility model discloses a fish skin extraction device, relating to the field of fish skin extraction technology. The utility model includes an extraction cylinder, a heating component, a scraping component, and a stirring component. The scraping component is disposed inside the extraction cylinder, and the stirring component is disposed inside the scraping component. The scraping component includes a first sleeve block, a second sleeve block, a third sleeve block, four side scraping plates, and four lower scraping plates. By configuring the scraping component, after the fish skin is boiled into a gel and discharged into the extraction cylinder through the gel discharge hole, the four side scraping plates and the four lower scraping plates can respectively scrape the inner wall and the arc-shaped inner wall of the extraction cylinder. Because the four side scraping plates and the lower scraping plates are all in contact with the inner wall of the extraction cylinder and the scraping movement is circular, it can effectively prevent residual material from accumulating in areas that the side scraping plates and the lower scraping plates cannot reach during the scraping process, resulting in a better scraping effect on the inner wall of the extraction cylinder.