192 results about "Bullfrog" patented technology

The invention discloses bullfrog skin peptide with DPP-IV inhibitory activity and a purification method and application thereof.The molecular weight of the bullfrog skin peptide is 681.40 Da, and the amino acid sequence of the bullfrog skin peptide is shown as SEQ ID NO.1. The bullfrog skin peptide is extracted through an enzymolysis means, then components containing peptide fragments are extracted through a column chromatography purification mode, finally the components are evaluated and screened, and the bullfrog skin peptide with the DPP-IV inhibitory activity is obtained. The purified bullfrog skin peptide with the DPP-IV inhibitory activity is obtained. The bullfrog skin peptide with the DPP-IV inhibitory activity has the advantages of being strong in DPP-IV enzyme inhibitory effect, safe and free of toxic and side effects, has the application potential of hypoglycemic peptides, is short in amino acid sequence and strong in operability, and has good social popularization and application value.

The invention discloses a bullfrog three-dimensional breeding system and an accurate feeding control method, and the bullfrog three-dimensional breeding system is characterized in that the bullfrog three-dimensional breeding system comprises a modular breeding unit, a gradient water level adjusting device and an interlayer isolation water circulation system, the three-step type three-dimensional framework is divided into a bottom layer tadpole pond, a middle layer froglet net cage and a top layer adult frog breeding bin, a control module is installed on each layer, and anti-escape assemblies are installed on the middle layer froglet net cage and the top layer adult frog breeding bin; the gradient water level adjusting device comprises a bionic step and a water level sensor which are arranged and installed, and the water level gradient adjusting and behavior inducing functions are achieved through engineering design. The interlayer isolation water circulation system comprises a distributed sensor, a UV sterilization and biological membrane filtration dual purification assembly and an adjustable air curtain, the adjustable air curtain forms a directional barrier between different layers of the three-dimensional culture system by dynamically regulating and controlling airflow, and independent environmental parameters of each layer are maintained.

The invention discloses bullfrog skin-derived peptide LGPQR and a purification method and application thereof.The molecular weight of the bullfrog skin-derived peptide LGPQR is 570.34 Da, and the amino acid sequence of the bullfrog skin-derived peptide LGPQR is shown as SEQ ID NO.1. The bullfrog skin-derived peptide LGPQR is obtained by extracting bullfrog skin enzymatic hydrolysate through an enzymolysis means to construct a polypeptide library, then screening the polypeptide library through computer-aided screening, and then evaluating the screened peptide fragments so as to be optimal. Finally, the purified bullfrog skin source peptide LGPQR is obtained. According to the bullfrog skin-derived peptide LGPQR as well as the purification method and the application thereof, the bullfrog skin-derived peptide LGPQR has relatively good functions of reducing blood sugar and resisting oxidation, has application potential of type II diabetes medicines, and is safe and free of toxic and side effects. The amino acid sequence is short, the operability is high, and the social popularization and application value is good.

The invention discloses a bullfrog extracted biological collagen composition and a preparation method thereof in the technical field of collagen. The bullfrog extracted biological collagen composition comprises the following components in parts by weight: 1-1.5 parts of hydrophobic bullfrog source collagen peptide, 0.6-0.8 part of hydrophobic bullfrog source elastin peptide, 1-1.5 parts of polyglutamic acid and 1-1.5 parts of polylysine. Collagen and elastin in bullfrog skin and bullfrog cartilage are extracted in a combined mode through a three-enzyme co-production method, and after bullfrog source collagen peptide and bullfrog source elastin peptide are subjected to hydrophobic modification, polyglutamic acid and polylysine are added to form a collagen combination. The stability, the medicine carrying capacity and the slow release capacity of the composition can be improved.

The invention discloses bullfrog skin-derived peptide and a purification method and application thereof.The molecular weight of the bullfrog skin-derived peptide is 1035.52 Da, and the amino acid sequence of the bullfrog skin-derived peptide is shown as SEQ ID NO.1. The bullfrog skin-derived peptide is extracted through an enzymolysis means to construct a polypeptide library, then the polypeptide library is screened through computer-aided screening, then screened peptide fragments are evaluated so as to be optimized, and the bullfrog skin-derived peptide is obtained. And finally obtaining the purified bullfrog skin source peptide. According to the bullfrog skin source peptide and the purification method and application thereof, the bullfrog skin source peptide has good blood sugar reducing and oxidation resisting functions, has the application potential of type II diabetes mellitus drugs, and is safe and free of toxic and side effects. The amino acid sequence is short, the operability is high, and the social popularization and application value is good.

The invention relates to the technical field of bullfrog breeding, and particularly discloses a bullfrog dynamic disease recognition system and method based on deep learning, and the method comprises the steps: setting a monitoring region, setting a plurality of driving devices in the monitoring region, and driving bullfrogs in the monitoring region in a preset time period; acquiring first video information in a monitoring area in a preset time period and second video information in a feeding time period after the driving equipment is started, analyzing the first video information and the second video information, and performing disease early warning based on the jumping information and the moving information. According to the bullfrog disease early-warning method and system, diseases which can be reflected in appearance in common bullfrog diseases are judged through deep learning and recognition of pictures, and for diseases which cannot be reflected in appearance, disease early warning is carried out based on jumping information and moving information of bullfrogs in the driving and feeding processes, so that the bullfrog disease early-warning efficiency is improved. And a better bullfrog breeding management effect is achieved.

The invention discloses a bullfrog biological behavior recognition optimization system based on deep learning, and relates to the technical field of biological recognition. Performing frame decomposition processing on the image data of the bullfrogs to obtain image data frames, extracting first-class feature information and second-class feature information in the image data frames, training an image recognition model to construct moving tracks of different bullfrogs, obtaining theoretical active coefficients and correlation coefficients of the bullfrogs according to the moving tracks, and obtaining the theoretical active coefficients and the correlation coefficients of the bullfrogs according to the theoretical active coefficients and the correlation coefficients; optimizing the theoretical activity coefficient to obtain an actual activity coefficient, inputting the actual activity coefficient into a preset behavior prediction model, obtaining a predicted movement track of the bullfrog, and obtaining predicted bullfrog density of different activity areas according to the predicted movement track; the bullfrog activeness monitoring accuracy can be improved, and the bullfrog density prediction accuracy can be improved.

The invention discloses application of luteolin in bullfrog culture, promotion of bullfrog tadpole metamorphosis development and sex differentiation regulation. The luteolin is utilized to effectively shorten the metamorphosis development period of bullfrog tadpoles into froglets, accelerate the metamorphosis development of the bullfrog tadpoles, improve the success rate of the metamorphosis development of the bullfrog tadpoles, improve the breeding efficiency, promote the male differentiation of the bullfrog tadpoles and increase the yield of male bullfrogs; the method has the remarkable advantages of greenness, safety, simplicity and convenience in operation and stable effect. The invention provides a new technical choice for bullfrog breeding industry, which is beneficial to optimizing germplasm resources of bullfrogs and improving economic benefits.

The utility model discloses a bullfrog skinning and pulling device, and particularly relates to the bullfrog skinning field, the bullfrog skinning and pulling device comprises a support plate, one side of the top of the support plate is fixedly connected with a support frame, the other side of the top of the support plate is fixedly connected with a fixed plate, and the top of one end of the support frame is provided with a first electric push rod; the moving end of the first electric push rod penetrates through the supporting frame and is fixedly connected with a lifting plate, and a plurality of drag hooks are fixedly connected to the bottom of the lifting plate. Firstly, a second electric push rod is started to control the moving plate to move away from the bottom of the lifting plate, bullfrogs are conveniently placed on the top of the moving plate, a motor is started to control the supporting pressing plate to drive the fixing pressing plate to clamp and fix bullfrog meat, the clamping and fixing strength can be improved, and the bullfrogs are moved to the bottom of the lifting plate, so that the bullfrog meat can be clamped and fixed. The first electric push rod is started to control the lifting plate to drive the drag hook to hook bullfrog skin, the skinning and pulling effects can be achieved when bullfrog meat is pulled, the bullfrog meat is not prone to falling off, and the using effect is improved.

The utility model discloses a bullfrog breeding barrel convenient to discharge excrement, which comprises a support, a barrel body arranged on the support, a water outlet arranged at the bottom of the barrel body and an adjusting support plate arranged in the barrel body, grid holes are arranged on the adjusting support plate, and the size of the grid holes can be adjusted through the adjusting support plate. A sewage containing cavity is formed by the adjusting supporting plate and the bottom of the barrel body, and impurities discharged into water are precipitated into the sewage containing cavity through the grid holes. The bullfrog breeding device can solve the problems that a pool cannot be cleaned and breeding water is troublesome to replace, bullfrogs are not prone to being damaged when water is replaced, antibiotic drugs are reduced or avoided, the growth environment is stable, the growth cycle is stable, breeding facilities are convenient to build, cost is low, and popularization is easy.

1. Name of the Design Product: Packaging Bag (American Bullfrog and Fish Hot Pot Seasoning). 2. Use of the Design Product: For product packaging. 3. Design Key Points of the Design Product: The combination of shape and pattern. 4. Picture or Photo Best Showing the Design Key Points: Front View. 5. The Design Product is a flat product, and the left view, right view, top view, and bottom view are omitted.

The utility model relates to a bullfrog processing fixing die which comprises a square frame, positioning notches allowing two forelimbs of a bullfrog to be embedded are formed in the two long side walls of a front end opening of the square frame, and front pressing plates sliding up and down are arranged at the positions, at the front end opening, of the two side walls of the square frame respectively. A rear pressing plate is arranged on a rear port of the square frame in a front-back sliding mode, a clamping hook structure capable of limiting backward movement of the rear pressing plate relative to the square frame is arranged on the rear pressing plate, the clamping hook structure is assembled on the rear pressing plate in a rotating mode, and a clamping hook is arranged at the free end of the clamping hook structure. When bullfrogs are placed in the fixing mold for bullfrog treatment, the front limbs of the bullfrogs are directly pinched by hands and pressed down into the square frame, then the front pressing plate slides upwards to limit the two front limbs of the bullfrogs so as to prevent the two front limbs of the bullfrogs from being separated from the positioning notches, and then the rear pressing plate moves forwards relative to the square frame and is buckled and positioned; the bullfrogs can be quickly pressed and fixed between the front pressing plate and the rear pressing plate, time and labor are saved, and operation is convenient.

The utility model discloses a bullfrog culture circulating water device which comprises a culture pond, one end of the culture pond is communicated with a circulating mechanism, the circulating mechanism comprises a circulating box communicated with the culture pond, the culture pond is communicated with the circulating box through a first connecting pipe, and the side, close to the culture pond, of the first connecting pipe is communicated with a filtering mechanism. The filtering mechanism comprises a filtering box communicated with the first connecting pipe, a filtering piece is arranged in the filtering box, a transition cavity, a neutralizing cavity and a storage cavity are sequentially communicated with the interior of the circulating box, the transition cavity is communicated with the first connecting pipe, a neutralizing mechanism is arranged at the top of the neutralizing cavity, and one end of a second connecting pipe is communicated with the interior of the storage cavity; and the other end of the second connecting pipe is communicated with the culture pond. According to the bullfrog breeding device, the repeated utilization rate of bullfrog breeding water is improved, and therefore the bullfrog breeding cost is reduced.

The bullfrog feed granulator with the cleaning effect comprises a machine body, the machine body is provided with a stirring cavity and an extrusion cylinder, the stirring cavity is communicated with the extrusion cylinder, a valve is arranged at the communication position of the stirring cavity and the extrusion cylinder, a feeding hole is formed in the upper end of the stirring cavity, and an installation opening is formed in the left side of the machine body. A mounting hole is formed in the upper end of the left side of the stirring cavity and communicates with the mounting opening, a first spray head is arranged in the mounting hole and communicates with a water inlet pipe, the water inlet pipe communicates with a hose, and a second spray head is arranged at the upper end of the stirring cavity and communicates with the hose. The device is provided with the mounting opening, the mounting hole, the first spray head, the water inlet pipe, the hose and the second spray head, when equipment needs to be cleaned, water can be directly sprayed out of the first spray head and the second spray head, then a stirring rod stirs water in a stirring cavity to clean the stirring cavity, and a push plate moves in a reciprocating mode to scrape residual raw materials in an extrusion cylinder; and residual raw materials can be discharged from the discharge hole or the extrusion hole, so that the use is convenient.

The invention relates to the technical field of solid-liquid separation treatment, in particular to bullfrog breeding waste solid-liquid separation treatment equipment which is characterized in that a first rotating shaft is fixedly mounted at the output end of the bottom of a double-head motor, rotating stirring blades are fixedly mounted on the side wall of the first rotating shaft, a spiral body is fixedly mounted on the side wall of the first rotating shaft, and a filtering barrel is arranged on the side wall of the spiral body; a first connecting cylinder is fixedly mounted on the side wall of the filter barrel, and a second connecting cylinder is fixedly mounted in the separation box, so that the flow resistance of liquid in pores of the filter barrel and gaps of solid particles is reduced, and meanwhile, water is promoted to overcome surface tension and adhesive force and is more quickly separated from the interior of a solid, so that the solid-liquid separation efficiency is greatly improved; compared with a traditional solid-liquid separation method, more wastes can be treated in a shorter time, the water content of the separated solid is remarkably reduced, the liquid is clearer, the efficiency and the quality of subsequent treatment of the solid and the liquid respectively are greatly improved, and the difficulty and the cost of subsequent treatment are effectively reduced.

The invention discloses an antioxidant peptide derived from bullfrog mucus and application of the antioxidant peptide. The amino acid sequence of the antioxidant peptide is KFLNVVSGLLTSKYR, and the molecular weight of the antioxidant peptide is 1724 g / mol. Polypeptides are identified from bullfrog mucus through a high performance liquid chromatography technology for the first time, an unreported antioxidant peptide with antioxidant activity is screened out, the antioxidant peptide is synthesized through a solid phase method, and the antioxidant peptide derived from bullfrog mucus has the advantages of being safe, non-toxic and good in water solubility and stability and has good application prospects. After the vitamin B3 is combined with the vitamin B3, the oxidation resistance is remarkably improved, and the vitamin B3 can be widely applied to preparation of foods, cosmetics, medicines or health-care products and has important economic value and social significance.

The invention discloses an industrial aquaculture management system for antibiotic-free bullfrogs, and belongs to the technical field of aquaculture. The system comprises circulating water antibiotic-free treatment, antibiotic-free seedling cultivation, antibiotic-free cultivation management and a novel drainage vertical pipe system. The circulating water non-antibiotic treatment adopts a closed-loop flow, and antibiotics and ammonia nitrogen are efficiently removed through the working procedures of sewage tank microfiltration, ozone oxidation disinfection, constructed wetland biological photodegradation, aeration tank ammonia nitrogen removal, clean water tank plant bacterium adding purification reflux and the like; a staged plant nutrition and probiotic feeding mode is adopted for antibiotic-free seedling cultivation; the antibiotic-free cultivation management realizes antibiotic-free cultivation through density control, water quality and water temperature regulation and control, scientific feeding and animal health care; the novel drainage vertical pipe adopts a circular hole and vertical seam structure to prevent blocking. According to the method, whole-course antibiotic-free breeding is achieved, the survival rate in the seedling stage reaches 80% or above, the adult frog breeding period is about 120 days, the product is free of antibiotic residues, the national environmental protection and food safety specifications are met, and an efficient solution is provided for factory-like antibiotic-free bullfrog breeding.

The invention relates to the technical field of food processing, in particular to crystal bullfrog meat jelly and a preparation method thereof. The preparation method of the crystal bullfrog meat jelly comprises the following steps: (1) pretreating bullfrogs, putting the bullfrogs in ice water, and then refrigerating the bullfrogs; (2) mixing and pickling the bullfrogs obtained in the step (1) with pickling liquid, and refrigerating; (3) cooking the bullfrogs obtained in the step (2), and separating bones from meat; mincing bones into minced bones, marinating the minced bones in marinating soup, and filtering to remove residues to obtain bone glue; and (4) mixing the bullfrog meat in the step (3) with bone glue, and refrigerating in a mold to obtain the crystal bullfrog meat jelly. The crystal bullfrog meat jelly provided by the invention is fresh, tender and delicious in meat quality, glittering and translucent in jelly, just melts in the mouth, and has unique flavor when being dipped in vinegar; the bullfrog can be put into a plate for eating without cooking, so that the edible value of the bullfrog is improved, and the eating modes of the bullfrog are enriched.

The application provides a digital PCR kit for detecting highland invasive species red-eared slider and bullfrog, a set of red-eared slider specific primer probes, which are composed of a primer pair for a specific segment of a red-eared slider mitochondrial CYTB gene and a red-eared slider specific TaqMan probe matched therewith; a set of bullfrog specific primer probes, which are composed of a primer pair for a specific segment of a bullfrog mitochondrial 12S rRNA gene and a bullfrog specific TaqMan probe matched therewith, and a set of internal standard (IPC) primer pairs and internal standard TaqMan probes for monitoring the nucleic acid extraction and amplification reaction process monitoring. The application is provided with the primer pair for the specific segment of the red-eared slider mitochondrial CYTB gene and the red-eared slider specific TaqMan probe, the primer pair for the specific segment of the bullfrog mitochondrial 12S rRNA gene and the bullfrog specific TaqMan probe, and a common internal standard to construct a triple detection reaction system, thereby avoiding the quantitative uncertainty caused by the single species detection in the prior art which needs to be carried out in multiple reactions or relies on a standard curve for relative quantification.

1. The name of this design product: lunch box bottom box (bullfrog). 2. Purpose of this design product: used as the base box of take-out lunch boxes. 3. The design key point of this appearance design product lies in the shape of the product. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic drawing 1. 5. Designate Design 1 as the base design.

The utility model discloses an outdoor ecological bullfrog culture pond, which belongs to the technical field of aquaculture, aims to solve the problem of water leakage during use due to insufficient waterproof measures of the outdoor ecological bullfrog culture pond, and comprises a first barrel support and a second barrel support. The two ends of the first barrel support are movably connected with the two ends of the second barrel support through fixing mechanisms respectively, the first barrel support and the second barrel support which are connected form a pond body shell, and a waterproof mechanism is contained in the pond body shell to form a culture pond. The pond body shell and the waterproof mechanism are matched to form the culture pond, the waterproof mechanism can improve waterproof measures of the culture pond, the water leakage phenomenon is reduced in the using process, the applicability of the culture pond is improved, and the service life of the culture pond is prolonged.

The utility model discloses an incubation device for giant spiny frogs, which belongs to the technical field of giant spiny frog incubation and comprises a shell, an empty groove is arranged in the middle of the shell, a first suspension plate, a partition plate and a second suspension plate are sequentially arranged in the empty groove from top to bottom, an extension plate is arranged on one side of the partition plate, and first movable grooves are arranged on the outer side of the shell. A supporting plate is movably arranged in the first movable groove, the supporting plate abuts against the bottom of the second suspension plate, a first incubation hole is formed in the first suspension plate, and a cavity is formed between the partition plate and the shell; by arranging the first incubation holes and the second incubation holes, giant spiny frog eggs are placed in the first incubation holes of the first suspension plate, the movement range is limited, energy consumption is reduced, the partition plate is moved through gear and rack transmission, the connecting holes are aligned with the incubation holes, tadpoles autonomously move into the second suspension plate, and the incubation holes are switched. The growth and development requirements of different stages can be conveniently met.

The invention discloses a bullfrog farm tail water quality treatment method based on glass pumice, and relates to the technical field of breeding tail water treatment, and the method comprises the following steps: establishing a water quality change rule model of the glass pumice for treating the breeding tail water; according to the water quality change rule model, glass pumice in the optimal proportion is prepared according to the scale of the aquaculture tail water, and the glass pumice is put into the corresponding aquaculture tail water to be purified; the water quality index of the breeding tail water is detected regularly, and when the water quality index reaches the upper limit set value of water quality pollutants, the put glass pumice stone is replaced or the steps are repeated. Compared with a traditional treatment means, the cost can be saved, and the treatment means is ecological and environmentally friendly.

The invention belongs to the technical field of food processing, and particularly relates to pre-prepared fruit and vegetable sour soup braised crayfish, fruit and vegetable sauce and a production method of the pre-prepared fruit and vegetable sour soup braised crayfish. The preparation method comprises the following steps: mixing 15%-17% of rumex hanus, 20%-25% of passion fruits, 18%-20% of steamed pumpkins, 6%-7% of small lime, 15%-17% of carambola and 15%-17% of lemons according to the total weight of the fruit and vegetable sauce, crushing the mixture into paste, and frying the paste at 115-125 DEG C for 8-10 minutes; 0.5%-1% of table salt is added in the stir-frying process to form homogenized fruit and vegetable sauce with the pH value of 3.8-4.2, and then the fruit and vegetable sauce is used for producing the pre-prepared fruit and vegetable sour soup braised crayfish. According to the production method, local fresh fruits and vegetables in Hainan are adopted to prepare the instant sour fruit and vegetable sauce, so that the problems of fruit and vegetable skin shrinkage, water loss, core vitamin content attenuation and the like caused by transportation of fresh fruits and vegetables from other places are avoided; meanwhile, flavor upgrading and efficiency improving of the crayfish dish are achieved, and the method is particularly suitable for the scenes of chain catering and industrial production of the crayfish, the crabs, the shellfish, the fish, the bullfrog, the chicken and the beef braised with the sour soup and the oil by the prefabricated dishes.

The invention relates to a feed additive for improving the muscle quality of bullfrogs and application of the feed additive. The additive is prepared from broad beans, radix scutellariae, rhizoma coptidis and radix et rhizoma rhei. According to the research, broad beans can remarkably improve the muscle quality of bullfrogs, meanwhile, radix scutellariae, rhizoma coptidis and radix et rhizoma rhei are added, so that potential negative effects of the broad beans on the bullfrogs can be remarkably improved, the digestion ability of the feed is improved, and the survival rate and the weight gain rate of the bullfrogs are kept. Therefore, the invention provides a special feed additive for directionally improving the meat quality and taste of bullfrogs, which can realize collaborative optimization of quality-growth-health, and has important application value for high-quality green breeding of bullfrogs.

The invention provides application of epicatechin in preparation of a medicine for resisting frog iridovirus. Related experiments prove that the epicatechin can efficiently prevent and control infection and transmission of the frog iridovirus, so that the harm of the frog iridovirus to healthy culture of frogs such as bullfrogs can be reduced to a great extent, and high-quality ecological culture and economic benefits of the frog culture industry are promoted.

The utility model discloses a bullfrog three-section type cutting device, and particularly relates to the technical field of bullfrog cutting, which comprises a working plate, two supporting plates arranged at the top of the working plate, a connecting frame arranged at the tops of the two supporting plates, a cutting mechanism arranged at the bottom of the connecting frame, and a collecting mechanism arranged on one side of the working plate. Clamping mechanisms are arranged on the surfaces of the two supporting plates, each clamping mechanism comprises a sliding groove formed in the surface of the corresponding supporting plate, a first motor is arranged on one side of each supporting plate, a first bidirectional screw is arranged at the output end of each first motor, one end of each first bidirectional screw extends into the corresponding sliding groove, and two first sliding blocks are arranged on each first bidirectional screw; a first electric telescopic rod is arranged on one side of the first sliding block. The bullfrog cutting device can clamp and fix bullfrogs according to the shapes and the sizes of the bullfrogs, the bullfrogs are cut into three sections when the bullfrogs are cut, and the bullfrog cutting efficiency of the bullfrog cutting device is improved.

The invention discloses a three-dimensional amphibious circulating breeding device for amphibians, which comprises a frame, a circulating hanging chain system, a breeding platform unit, a long groove type water tank, a heat preservation maintenance unit, a constant temperature unit, a water treatment system and an electric control system, and is characterized in that the circulating hanging chain system is mounted on the frame, and the breeding platform unit is hung on the circulating hanging chain system; the long groove type pool is installed at the bottom of the frame, the maintenance heat preservation unit is installed on the periphery of the frame, the constant temperature unit comprises a traditional energy heater or a heat pump heating and refrigerating system and a heat exchanger, and the traditional energy heater or the heat pump heating and refrigerating system is installed in the frame. The time of amphibious life can be accurately controlled according to different habits of animal varieties and growth stages, the requirement for the reasonable water dwelling time of multilayer three-dimensional stocking bullfrogs is well met, the water consumption is reduced, and the water treatment cost is reduced.

The utility model discloses a kind of bulking devices for bullfrog feed production, comprising: box, its bottom is set as opening, both sides are fixedly connected with L-shaped support;Base is connected in the bottom of two L-shaped supports;Steam dispersion enters component, is communicated and fixed in the left side of box;Round pipe, is communicated and fixed in the top of box.The utility model is provided with a series of structures, can be pre-crushed to caking raw material when bullfrog feed raw material is added Handle, and by stirring cooperation dispersed feed high-temperature steam mode, ensure the uniform effect of contact between feed and steam, to ensure the drying and curing speed of feed, and it is convenient to directly overall remove large-area shielding to box bottom after curing, to facilitate drying and curing feed directly with large-area passage mode Anti-blocking fast smooth discharge work, avoid the phenomenon that existing small-bore discharge pipe is easy to block, feed is difficult to discharge and discharge efficiency is low, improve discharge efficiency and stability.

The application discloses an antioxidant peptide derived from bullfrog mucus and application thereof, and the amino acid sequence of the antioxidant peptide is KFLNVVSGLLTSKYR, and the molecular weight is 1724 g / mol. The polypeptide is identified from the bullfrog mucus by high performance liquid chromatography for the first time, and an unreported antioxidant peptide with antioxidant activity is screened out. The antioxidant peptide derived from the bullfrog mucus is synthesized by a solid phase method, and has the characteristics of safety, non-toxicity, good water solubility and stability. After being combined with vitamin B3, the antioxidant property of the antioxidant peptide is significantly improved, and the antioxidant peptide can be widely applied to preparation of cosmetics, medicines or health products, and has important economic value and social significance.