58 results about "Fresh fish" patented technology

The utility model provides a fresh fish viscera removing and flushing device which comprises a base, a conveying belt is horizontally arranged above the base, a machine frame is arranged at the top of the base, a first lead screw is arranged on the machine frame, one end of the first lead screw is rotationally connected to the machine frame, and the other end of the first lead screw penetrates through the machine frame and is in driving connection with a first motor. The bottom face of the first moving block is connected with a first electric push rod, the telescopic end of the first electric push rod is connected with a pressing plate, the bottom of the pressing plate is connected with a cushion plate, two moving mechanisms are sequentially arranged on the top face of the base, the side face of the first moving mechanism is connected with a laparotomy mechanism, and the side face of the second moving mechanism is connected with a flushing mechanism. The flushing mechanism comprises a water spraying pipe, a viscera removing mechanism and a circular brush, the circular brush of the flushing mechanism is moved into the fish belly by the moving mechanism, the inner wall of the fish belly is rubbed by the rotating circular brush, and meanwhile, the inner wall of the fish belly is flushed by water flow generated by the water spraying pipe, so that black peritoneal dirty layers can be effectively removed, and fresh fish viscera are removed by the vacuum suction pipe.

The present invention discloses a composite method for high-quality quick freezing and high-recovery thawing of oily fresh fish, which belongs to the technical field of food freezing and processing. The present invention uses oily fresh fish as the main raw material, and undergoes raw material preparation, physical field assisted freezing and high-recovery thawing processes. In this method, rosemary extract and gallic acid are added in the raw material preparation stage and assisted by the effect of electrostatic field, so as to delay the fat oxidation of oily fresh fish. At the same time, ultrasonic and magnetic field combined immersion freezing, microwave combined with nano zinc oxide and graphene particles thawing can minimize the quality loss of fresh samples after freezing and thawing, thereby achieving high-quality freezing and high-recovery thawing. After using the above-mentioned treatment, the quality of subsequent fresh fish is significantly improved, such as reducing thawing loss, retaining nutrients, improving sensory quality, delaying fat oxidation, high recovery, etc., and extending the sales period to achieve the purpose of increasing revenue.

The utility model belongs to the field of fresh fish storage and transportation, and discloses a fresh fish storage and transportation device for a fishing boat, which comprises a storage component for storing fresh fish in running water, a moving component arranged at the top of the storage component and used for moving and driving the fresh fish, and a pollution discharge component mounted on the moving component and used for isolating the fresh fish and sucking dirt in water; the sewage discharging assembly comprises a sewage suction pipe, a sewage suction pump is installed at the front end of the sewage suction pipe, and a sewage discharging pipe is installed in front of the sewage suction pump. According to the fresh fish storage and transportation device for the fishing boat, dirt such as excrement in water in the storage and transportation box is sucked out through the arrangement of sucking the dirt in the water, the dirt in the water is reduced, and pollution of the dirt to the water quality is reduced; through the arrangement of a movable suction device, dirt scattered at all positions of the storage box is movably sucked while fresh fishes are driven, and the dirt cleaning effect is improved; through the arrangement of isolating fresh fishes, the dirt suction holes are separated from the fresh fishes, and the fresh fishes are prevented from being sucked by the dirt suction holes and being damaged.

The invention discloses a meat quality detection method and a meat quality detection system based on flexible biological impedance imaging. The meat quality detection method comprises the following steps: acquiring impedance original values, PH, chromatic aberration and tenderness of a to-be-detected meat sample measured according to a preset measurement principle at a plurality of time points; correcting the impedance original value of the to-be-detected meat sample by using the correction coefficient; reconstructing the corrected impedance original value to obtain a reconstructed impedance value; obtaining the time point of meat deterioration according to the PH, color difference and tenderness at different time points; obtaining the average impedance value of all the reconstructed impedance values of the meat sample to be measured at the deterioration time point and the initial time point, calculating the impedance change rate of the meat sample to be measured at the deterioration time point and the initial measurement time point by using the reconstructed average impedance value, and comparing the impedance change rate with the pre-calculated impedance change rate of the frozen meat sample, if the impedance change rate of the to-be-detected meat sample is greater than the freezing impedance change rate, the to-be-detected meat sample is an unfrozen fish, otherwise, the to-be-detected meat sample is an iced fish. The method is simple in step, easy to detect and accurate in detection result.

The present application belongs to the technical field of food processing, and relates to a method for removing earthy smell of tilapia fillets. The method comprises the following steps: covering the surface of the tilapia fillets with pleurotus eryngii powder, and placing the tilapia fillets in a deodorizing and fresh-keeping liquid for 30-60 min; the deodorizing and fresh-keeping liquid is composed of ginger powder 15-20 parts, cannabis seed protein 5-10 parts, lysozyme 0.5-1 part, tea polyphenol 4-8 parts and water 60-100 parts in terms of mass fraction. The present application solves the technical problem of long-term maintenance of fresh fish flavor when removing the earthy smell of tilapia fillets.

The present invention provides a method for improving the gel strength of surimi products. Fresh fish is pretreated and successively subjected to meat extraction, rinsing, dehydration, and fine filtration, and then dihydromyricetin and / or EGCG are added. 0.1 - 0.5 parts of dihydromyricetin are added to every 100 parts of the finely filtered fish meat. After chopping and mixing evenly at 0 - 4°C and centrifuging to remove air bubbles, on the basis of the normal two-stage heating mode, a deteriorated two-stage heating mode is added. After the heat treatment is completed, it is quickly cooled in an ice-water bath to obtain surimi gel. The present invention discovers for the first time the anti-deterioration effect that dihydromyricetin can play in the processing of surimi products. It can be obtained from common natural raw materials (such as tengcha), is safe, easy to obtain, and economically feasible; it can help surimi products better resist gel deterioration that mainly occurs at 50°C - 70°C; the additive dihydromyricetin itself also has proven health care effects such as liver protection, antibacterial and anti-inflammatory, immune enhancement, antioxidant, and anti-thrombosis, which is conducive to the high-value development of surimi products.

The invention discloses a crocodile functional compound feed and a preparation method thereof, and the crocodile functional compound feed comprises the following raw materials: a compound animal protein source, a compound vegetable protein and energy source, a core functional additive, a compound grease source, a compound premix and a phosphorus calcium source, the functional additive comprises astragalus membranaceus, isatis root, radix bupleuri, liquorice, oriental wormwood, cowherb seed, astaxanthin, nano-selenium and zinc methionine, the compound premix comprises vitamin and mineral components, and the bait coefficient of the compound feed is lower than 1.5. According to the feed, chilled fresh fish can be replaced with the efficient replacement ratio of 1: 5, the breakthrough breeding effects that the survival rate of crocodiles is increased by 30%, the growth rate is increased by 20%, the laying rate is increased by 40%, and the bait coefficient is reduced to 1.3 or below are achieved, and the economic benefits are extremely remarkable.

1. Name of the designed product: packing box (live fish and fresh fish ball). 2. Use of the designed product: packing box for packing products. 3. Design points of the designed product: the pattern. 4. Picture or photo showing the design points: perspective view.

The invention discloses an extraction method of 5 alpha-carp cholesteryl sulfate, and belongs to the technical field of extraction and purification of bile acid active substances. The extraction method of 5 alpha-carp cholesteryl sulfate comprises the following steps: (1) carrying out freeze drying or rotary evaporation concentration on fresh fish bile to obtain a crude product; (2) mixing and dissolving the crude product obtained in the step (1) with hot methanol at 50-80 DEG C according to a mass ratio of the crude product to the methanol of 1: (5-10), carrying out suction filtration while the crude product is hot, and collecting filtrate; and (3) ethyl acetate is added into the filtrate obtained in the step (2), the mass ratio of the methyl alcohol to the ethyl acetate is 1: (1-2), standing is conducted, a solid is separated out, and the obtained solid is the 5 alpha-carp cholesteryl sulfate. The extraction method disclosed by the invention is simple and convenient, high in yield, high in product quality and low in cost.

The invention discloses a compound flavor enhancer for improving meat quality of turbots and application of the compound flavor enhancer. The compound flavor enhancer comprises glutamic acid, aspartic acid, succinic acid, inosinic acid and guanylic acid. The compound flavor enhancer is applied to cultivation of turbots, namely, the compound flavor enhancer is used as an additive component of feed, and traditional chilled fish cultivation is replaced by compound feed cultivation added with the compound flavor enhancer. The formula of the feed is scientific in design, nutritional requirements of the turbots can be accurately met, the breeding cost is effectively reduced, and the addition of the compound flavor enhancer can significantly improve the adverse effect on the meat quality of the turbots caused by replacing chilled fresh fish with the compound feed on the premise of not influencing the growth performance; therefore, the meat quality and flavor of the scophthalmus maximus cultured by the compound feed are close to or even reach the level of iced fresh fish culture.

The invention discloses a bone-derived collagen peptide with a joint protection effect and a preparation method thereof, and belongs to the technical field of collagen peptide preparation, the preparation method comprises the following steps: S1, cleaning and crushing fresh fish bones, and performing impurity protein removal treatment on fish bone powder by using a 0.1 M NaOH solution to obtain pretreated bone powder; s2, mixing the pretreated bone meal with 0.5-1.5 mol / L hydrochloric acid according to a solid-to-liquid ratio of 1: 5, and carrying out a decalcification reaction for 2-4 hours to obtain decalcified bone collagen; s3, performing sequential enzymolysis on the decalcified ossein by adopting pepsin and trypsin to obtain enzymatic hydrolysate; and carrying out inactivation, purification, vacuum concentration and freeze drying on the enzymatic hydrolysate to obtain the collagen peptide. According to the collagen peptide and the preparation method, the characteristic amino acid content of the prepared collagen peptide is increased by 40% or above compared with that of a traditional process, it is ensured that the collagen peptide is combined with a cartilage cell receptor in a targeted mode and inhibits secretion of inflammatory factors, and the inhibition rate reaches 58-68%; at a concentration of 500 [mu] g / mL, there is no toxicity to HaCaT cells (IC50gt; and the traditional Chinese medicine composition has no toxic or side effect and no skin irritation.

The utility model discloses a fish head removal mechanism for fresh fish processing, which comprises a base, the top of the base is symmetrically provided with two sliding grooves, the interiors of the sliding grooves are rotatably connected with threaded rods, the exteriors of the threaded rods are in threaded connection with connecting blocks, the connecting blocks are in sliding connection with the corresponding sliding grooves, the tops of the connecting blocks are fixedly connected with L-shaped plates, and the L-shaped plates are fixedly connected with the top of the base. The bottoms of the L-shaped plates are slidably connected with the top of the base, and the tops of the L-shaped plates are fixedly connected with air cylinders. The fish head removing device has the advantages that the fish head removing device can be adjusted according to the size of a fish, the fish head removing accuracy is guaranteed, the fish head can be removed more cleanly and neatly, the processing effect cannot be affected by different sizes of fish bodies, the position of the fish can be stabilized by pressing the two ends of the fish bodies, and the fish is prevented from sliding or shifting in the processing process; therefore, cutting stability and consistency are guaranteed, working efficiency is improved, and compared with a traditional device, operation quality and use efficiency are greatly improved.

The application discloses a fresh fish meat supply transportation management method, and particularly relates to the supply transportation management field, and is used for solving the problems that the existing fish meat supply process cannot take into account the demand difference of different freshness grade products, the lag of market fluctuation response and the lack of dynamic feedback of transportation allocation; the freshness grade of fish meat products in each supply place is unified and integrated, and sentiment tendency analysis and keyword frequency analysis are carried out in combination with network public opinion data, and demand trend indexes of different supply places and product categories are calculated; then, mutation detection and historical sales volume correlation modeling are carried out, and a supply demand list containing fish meat freshness, supply place and expected demand volume is generated; transportation and cold chain resources are matched according to the supply demand list, a multi-objective planning model is established to generate a transportation allocation scheme, and model parameters are dynamically adjusted according to actual goods receiving damage rate results, so that closed-loop control of supply prediction, transportation optimization and quality feedback is realized.

This invention belongs to the field of aquatic product preservation technology and discloses a method for preserving fresh fish fillets based on source-based sterilization and endogenous antibacterial action. The method includes: non-thermal sterilization of fresh fish fillets, followed by ultrasonic-ultra-high pressure synergistic treatment in a nano-antibacterial emulsion, then draining, packaging, and refrigeration. The nano-antibacterial emulsion is prepared by dissolving natural antibacterial active substances in anhydrous ethanol as the oil phase and using an aqueous solution of a natural polymer as the aqueous phase. The oil and aqueous phases are mixed, homogenized under microfluidic high pressure, and then microfiltered. This invention utilizes a dual-core synergistic process of source-based non-thermal targeted inactivation of spoilage bacteria and enhanced penetration of a natural antibacterial system to significantly extend the shelf life of fresh fish fillets under 0-4℃ refrigeration conditions from the conventional 3-5 days to over 18 days, while preserving the texture, flavor, and nutrition of the fish fillets to the greatest extent possible.

The invention provides paste slurry type pellet feed for eriocheir sinensis and a production method and device of the paste slurry type pellet feed. According to the invention, compounded cuttlefish paste, shrimp paste and enzymolysis fish paste form external spraying paste, base material particles are put into a rotating cylinder to form dynamic rolling, and the external spraying paste is sprayed to the surfaces of the rolling base material particles through a nozzle of a spraying pipe, so that the external spraying paste uniformly coats the base material particles and is prevented from caking and falling off; finally, collaborative optimization of food calling enhancement and structural stability is achieved, and the technical defects that traditional pellet feed is insufficient in food calling, poor in water resistance and low in production efficiency are systematically overcome, so that the pellet feed has the chilled fish-grade food calling performance and the stability of commercial feed; an industrial feed solution with efficient ingestion promotion and lasting water resistance is provided for sustainable development of large-scale culture of the eriocheir sinensis.

The present invention discloses a method for studying cholesterol replacement in Chinese mitten crab feed and promoting gonadal development. By measuring the growth performance of Chinese mitten crabs in different cholesterol content groups and different squalene content groups and the amount of cholesterol deposition in the hepatopancreas of juvenile Chinese mitten crabs fed with different diets, a linear model of the amount of cholesterol deposition in the hepatopancreas of juvenile Chinese mitten crabs fed with different cholesterol levels was prepared, and the biological efficacy of different amounts of squalene added to replace cholesterol was analyzed. This method can be used as an effective method for screening cholesterol substitutes. In addition, the test results show that, compared with the existing commercially available Chinese mitten crab feed and chilled fish farming, by adding 0.4% squalene to the basic formula of Chinese mitten crab feed, the poor growth and gonadal development of Chinese mitten crabs in the rearing period can be effectively improved, basically achieving the effect of chilled fish farming.

The invention relates to fermented soft granules for livestock and poultry and a preparation method thereof, and belongs to the technical field of livestock and poultry feed. The granular feed comprises the following components: 30-60% of starch, 10-30% of iced fresh fish, 10-30% of protein, 0.5-1% of vitamins, 0.5-3% of minerals, 2-5% of fat and 0.5-2% of compound bacteria enzyme. The granular material achieves the purposes of reducing the breeding cost, increasing the absorption and utilization rate, improving the immunity of bred animals and being free of resistance, promotes healthy breeding, guarantees food safety, and also can improve the eating taste and flavor of the bred animals and the food quality. The problems that an existing feed is low in production ratio, and the yield is not easy to increase are solved.

The present application relates to the technical field of insect attractant, in particular to a mosquito and fly bait and a preparation method thereof, the mosquito and fly bait comprises the following raw materials in parts by weight: brown sugar, starch, skatole, ethanol, yeast extract, fresh fish skin and potassium sorbate. The mosquito and fly bait of the present application can attract mosquitoes and flies by using brown sugar which is preferred by flies, adding starch and yeast extract to produce a sour taste after fermentation, attracting mosquitoes and flies by smell, assisting volatilization by ethanol, attracting mosquitoes and flies by smell and providing a carrier by fresh fish skin, increasing the adhesion area of the bait, better attracting the bait, preventing the bait from being smelly and moldy by potassium sorbate, and the obtained mosquito and fly bait has strong attraction to mosquitoes and flies. When mosquitoes and flies smell the smell of the mosquito and fly bait, they will fly directly to the bait to feed, without environmental pollution and toxic side effects, and can long-term and efficiently attract mosquitoes and flies, with good attraction effect and long duration.

The invention provides a biofilm culturing type functional protein frozen feed and a preparation method thereof, relates to the field of aquaculture feeds, and solves the problems that in existing carnivorous aquaculture, chilled trash fish has many diseases and serious pollution, complete feed is poor in palatability and high in cost, and a core targeted biofilm culturing process is lacked. The feed comprises a carrier, wherein a high-protein functional biofilm culturing layer is attached to the surface of the carrier; the high-protein functional biofilm culturing layer is prepared from the following components in percentage by mass: 65%-75% of enzymolysis bait slurry, 3%-5% of a gelatinizing agent, 1%-3% of a bonding auxiliary agent, 0.2%-0.4% of an antioxidant, 2%-3% of probiotics, 0.2%-0.5% of compound vitamins and the balance of water. According to the feed, low-value wild trash fish is used as a natural carrier, through the enzymolysis slurry targeted biofilm formation and low-temperature quick-freezing keep-alive technology, the feed has the excellent palatability of iced fresh fish and the nutrition of compound feed, high-value utilization of low-value resources is achieved, and meanwhile the feed has the advantages of being environmentally friendly and free of chemical resistance in aquaculture.

The invention discloses a health care wine based on maggot cultured by a fresh fish fermented feed and a preparation method, the health care wine is composed of a base wine, a maggot extract, a traditional Chinese medicinal material composition and auxiliary materials, maggot is cultured by a feed obtained by fermenting fresh fish with a compound microbial agent, and then the maggot extract is prepared through cleaning, sterilization, freeze-drying and base wine reflux extraction; the traditional Chinese medicine composition is prepared from rhizoma polygonati, fructus lycii, mulberries, herba cistanche and radix morindae officinalis, a traditional Chinese medicine extracting solution is obtained through infiltration, decoction and concentration, finally, the base wine, the maggot extract, the traditional Chinese medicine extracting solution and the auxiliary materials are sealed, aged, filtered and filled, and a finished product is obtained. The fresh fish fermented feed is used for breeding maggots, potential safety hazards such as pathogenic bacteria and heavy metal brought by traditional feed are avoided from the source, nutritional ingredients of the maggots are improved, then the maggots are matched with traditional Chinese medicinal materials, synergistic gain of animal active ingredients and plant essence is achieved, and the product is rich in nutrition and easy to absorb; the traditional Chinese medicine composition has the effects of supporting healthy energy, strengthening tendons and bones and enhancing immunity.

1. The name of the product of this design: packaging box (Lanbowan AND fresh fish oil). 2. Purpose of this design product: used for packaging fish oil. 3. The design key points of this appearance design product are: the combination of shape, pattern and color. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. The design for which protection is sought includes color.

The invention discloses a preparation method and application of a silver carp skin collagen-based antibacterial active coating. The silver carp skin collagen-based antibacterial and antioxidant active coating is prepared from the following raw materials: collagen, epsilon-polylysine, carvacrol, sulfobutyl-beta-cyclodextrin and ultrapure water; wherein the stoichiometric ratio of the sulfobutyl-beta-cyclodextrin to the epsilon-polylysine is 40: 1, and the mass ratio of the sulfobutyl-beta-cyclodextrin to the carvacrol is 2: 1. The silver carp skin collagen is used as a coating substrate, and the natural antibacterial peptide epsilon-polylysine and the plant essential oil carvacrol play a synergistic antibacterial role. In addition, the epsilon-polylysine and the sulfobutyl-beta-cyclodextrin are crosslinked through electrostatic interaction. The silver carp skin collagen-based antibacterial antioxidant active coating prepared by the invention does not contain a reagent toxic to a human body, is high in safety, and has a good coating preservation effect on fresh fish balls. In addition, the method is simple in technological process and can be easily applied to the field of aquatic food preservation.

The invention discloses a method for grilling fish with tea soup, and relates to the technical field of food processing, and the method comprises the following steps: A, fish treatment: selecting fresh and alive fish, removing scales, gills and viscera, cleaning, cutting a knife, and soaking with longjing tea soup; b, baking: baking by adopting an electric oven; c, stir-frying: stir-frying ginger, scallion and garlic, adding white tea soup, boiling, reducing the juice, and turning off fire; and D, fusing and shaping: putting the fully cooked grilled fish into a grilling tray, pouring the condiment, stewing with small fire to enable the grilled fish to absorb part of tea soup flavor, taking the grilled fish out of the pot, and embellishing side dishes. The invention relates to a method for grilling fish with tea soup, and provides a processing technology of grilled fish with tea soup, which is low in fat, healthy, fresh and lasting in tea soup flavor, fresh and tender in meat quality, efficient in preparation and controllable in parameters, and the health attribute and quality stability of products are improved.

The invention discloses a mandarin fish feed additive as well as a preparation method and application thereof, belongs to the technical field of aquaculture, and solves the problems that a conventional feed in the prior art is serious in water pollution, hypoxia stress of fish larvae, low in immunity, dysfunctional in gastrointestinal tracts and the like, and low in fry survival rate. The mandarin fish feed additive comprises the following components in percentage by mass: 45%-56% of enzymolysis fresh minced fillet, 8%-12% of gradient activated zeolite powder, 10%-20% of soybean meal or / and cottonseed meal, 2%-4% of an immunopotentiator, 1.5%-2% of compound probiotics, 6%-8% of fish oil or / and krill oil and 4%-5% of a premix. When the mandarin fish feed additive is used for culturing mandarin fish, the activity of serum peroxidase of the mandarin fish can be improved, the activity of glutathione peroxidase is improved, and the content of malondialdehyde is reduced; the selenium deposition of the liver can be increased, and the intestinal flora can be optimized; the survival rate of the mandarin fish can be improved.

The invention discloses a fresh fish meat supply and transportation management method, particularly relates to the field of supply and transportation management, and is used for solving the problems that in the existing fish meat supply process, the demand difference of products with different freshness levels cannot be considered, the market fluctuation response is lagged, and the transportation allocation lacks dynamic feedback. The method comprises the following steps: uniformly integrating fish meat product categories and freshness levels of various supply places, carrying out emotional tendency analysis and keyword frequency analysis in combination with network public opinion data, and calculating demand trend indexes of different supply places and product categories; then, through mutation detection and historical sales volume correlation modeling, generating a supply demand list containing the fish freshness, the supply place and the expected demand quantity; and matching transportation and cold chain resources according to the supply demand list, establishing a multi-objective planning model to generate a transportation allocation scheme, and dynamically adjusting model parameters according to an actual received goods damage rate result to realize closed-loop control of supply prediction, transportation optimization and quality feedback.

The invention relates to the technical field of aquaculture, in particular to an indoor artificial propagation method for trachinotus ovatus. Comprising the steps of parent selection; transferring and transporting for multiple times, anesthetizing by using anesthetics with different concentrations during the period, and transferring to an indoor circulating water culture system for culture after fresh water bath and disinfection; adding purified seawater and adjusting the water temperature in the early stage of cultivation; starting an indoor recirculating aquaculture system; after the parents enter the indoor recirculating aquaculture system and feed is stopped for 3 days, chilled fresh fishes are fed firstly, compound feed with the chilled fresh fishes and the parents in the initial mass ratio of 3: 1 is fed on the fourth day, and the compound feed is completely fed on the fifteenth day; krill meal and krill oil are added into the parent compound feed in the early stage and the later stage of cultivation respectively, and chilled fresh fish is fed once every three days; after the gonad of the parent is mature, injecting oxytocic to the female fish for three times; the injection time is synchronous with the third injection time of the female fish; after injection, the parent fishes begin to spawn, roes are collected and hatched, and the spawning rate, the fertilization rate and the hatching rate are greatly increased.

1. The name of the product of this design: packaging bottle (Lanbowan AND fresh fish oil). 2. Purpose of this design product: used for packaging fish oil. 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: three-dimensional picture. 5. Other situations that require explanation Other explanations: Part A is marked with transparent material.

The invention relates to the technical field of crushing, and discloses a fish meat processing crusher which comprises a supporting mechanism, the supporting mechanism comprises a crushing box, the outer wall of the top of the crushing box is fixedly connected with a feeding port, the inner wall of the crushing box is provided with a groove, and the inner wall of the side, away from the groove, of the crushing box is provided with an air outlet. The device comprises a crushing box, the outer wall of the bottom of the crushing box is fixedly connected with a discharging box, the outer surface of the discharging box is fixedly sleeved with a supporting frame, the outer wall of the bottom of the supporting frame is fixedly connected with supporting legs, and the device further comprises a cooling mechanism arranged in the crushing box. The rotary crushing roller is cooled through the cooling mechanism, so that heat generated by friction between the crushing roller and the fish meat is guided away in time, meanwhile, low-temperature carbon dioxide is injected into the bottom of the crushing box to prevent temperature rise of the crushed fish meat, protein denaturation in the fish meat is avoided, and the flavor of the minced fish can be kept.

This invention belongs to the field of feed additives for Chinese mitten crabs, and discloses an adjuvant for fattening and color improvement of Chinese mitten crabs, and its application. The adjuvant provided by this invention includes: 400-600 mg of concentrated traditional Chinese medicine liquid, 800-1200 mg of red phaf yeast powder, 400-600 mg of probiotic microcapsules, 400-600 mg of compound vitamins, and 8-12 g of maltodextrin. This adjuvant can effectively promote the development of crab roe and crab paste during the fattening period of Chinese mitten crabs, increasing the roe yield; it can effectively improve the antioxidant capacity and immunity of the crab body; and it can effectively improve the color of the crab roe and crab paste, making it more vibrant red. This adjuvant can be used in combination with feed during the fattening period to replace feeding with frozen fish, solving the problems of unstable sources of frozen fish, water pollution, and the easy transmission of pathogens.

The application relates to the technical field of aquatic product processing, and discloses an automatic bubble cleaning machine for fresh fish processing, which comprises a cleaning machine, the cleaning machine is provided with a cleaning tank, a conveying device is arranged in the cleaning tank, the conveying device comprises symmetrical and uniformly distributed transmission belts and conveying belts arranged on the transmission belts, the transmission belts are provided with uniformly distributed limiting rods, uniformly distributed connecting holes are arranged on the conveying belts, the limiting rods penetrate through the connecting holes, and uniformly distributed bubble generators are arranged in the cleaning tank. The limiting rods movably connect the conveying belts and the transmission belts, so that the bubbles blocked by the conveying belts break under the conveying belts, the impact force generated by the breaking of the bubbles drives the conveying belts to vibrate and deform at high frequency, the fresh fish on the conveying belts continuously changes the positions of the fresh fish under the vibration and deformation of the conveying belts, the fresh fish on the conveying belts are spread flat, and the problem that the cleaning effect of the bubbles on the accumulated fresh fish is poor due to the accumulation of the fresh fish is solved.