114 results about "Poultry meat" patented technology

The invention relates to a high-barrier antibacterial polylactic acid packaging material and a preparation method thereof, and belongs to the technical field of biodegradable packaging materials. The technical problems that a traditional polylactic acid material is insufficient in barrier property, poor in antibacterial performance and difficult to meet the packaging requirements of livestock and poultry meat, food and medicine are solved. A graphene oxide lamellar material is subjected to copper ion functionalization treatment and is bridged with tannic acid molecules through copper ions to form a nano filler, and then the filler is blended with a plasticized polylactic acid solution to prepare the membrane. The preparation method comprises the following steps: preparing a copper ion functionalized dispersion liquid from graphene oxide and copper nitrate, self-assembling the copper ion functionalized dispersion liquid and tannic acid under the condition that the pH is 8-10 to generate a nanofiller, uniformly dispersing the nanofiller, mixing the nanofiller with polylactic acid, polyethylene glycol and glycerol according to a specific mass ratio, coating to form a film, and controlling solvent volatilization conditions to obtain the high-performance packaging material. According to the method, the oxygen barrier property and the antibacterial activity of the material are remarkably improved through uniform dispersion of the nanofiller and reinforcement of a coordination network. The obtained material is suitable for packaging foods such as livestock and poultry meat.

The invention belongs to the technical field of intelligent food manufacturing, and particularly discloses a multi-modal data fused marinated product flavor directional design method and system. S1, constructing an auxiliary material database; s2, mining internal associations of components in the high-quality auxiliary materials by adopting an Apriori algorithm; s3, evaluating the sensory flavor of the marinated product to obtain a product index data set; s4, establishing a multivariate mapping model between the auxiliary material parameters and the sensory quality on the basis of a Python library of Statsmodels; s5, establishing a user score matrix in combination with consumption preference; and S6, optimizing the auxiliary material component model by using a genetic algorithm, and solving by combining the multivariate mapping model obtained in the S4 and the sensory weight obtained in the S5 to obtain the auxiliary material component with the optimal quality. By adopting the multi-modal data fused marinated product flavor directional design method and system disclosed by the invention, the problems of sensory flavor quality consistency control limitation and auxiliary material optimization intelligent management design management of traditional sauce marinated poultry meat are solved, and intelligent control between auxiliary material and flavor sensory is realized.

The invention discloses a low-temperature plasma cold sterilization and fresh-keeping method for a chilled poultry meat product, and particularly relates to a low-temperature plasma cold sterilization and fresh-keeping method for the chilled poultry meat product by virtue of low-temperature plasma activated water (PAW) and dielectric barrier (DBD). The method comprises the following steps: spraying and sterilizing the whole slaughtered and eviscerated poultry meat by virtue of PAW with the temperature close to the freezing point temperature of-1.5 to-2.5 DEG C of the product; the fresh-keeping method comprises the following steps: soaking the fresh-keeping materials in PAW at the temperature of less than or equal to-1.50 DEG C, cooling to the temperature of-1.5 + / -0.5 DEG C, cutting and packaging, carrying out DBD low-temperature plasma cold sterilization under the working voltage of 120-160 kV, and carrying out cold-chain logistics under the condition of the fresh-keeping temperature of-1.0 to-1.5 DEG C, so that the fresh-keeping period is prolonged from 4 days to 15 days. According to the method, PAW and DBD plasma cold sterilization and preservation are adopted at the temperature of the chilled products, the shelf life of the poultry meat chilled products is effectively prolonged on the premise of ensuring the freshness, safety and high quality of the poultry meat chilled products, and industrial innovation and sustainable development are promoted.

The utility model discloses a poultry meat product salting device, which relates to the technical field of poultry meat processing, and comprises a salting tank main body, a driving component for driving the salting tank main body to rotate is arranged below the salting tank main body, an inner cavity is formed in the salting tank main body, a separating component for separating the cavity is arranged in the inner cavity, and a plurality of separating components are arranged in the separating component. A tank cover is rotatably arranged on the upper portion of the pickling tank body, an opening is formed in the upper portion of the tank cover, a plurality of first assembling grooves used for being combined with a partition assembly for use are formed in the inner wall of the pickling tank body, and the partition assembly comprises a supporting column; a plurality of second assembling grooves are annularly distributed in the outer wall of the supporting column at intervals. The problems that an existing pickling device is only provided with one cavity, so that a plurality of pickling devices need to be used when a user performs classified pickling on different poultry meat, the equipment cost is increased, the equipment occupied area is increased, and use and management by the user are not convenient are solved.

The utility model discloses pocket type detection equipment for on-site detection of meat quality. The pocket type detection equipment comprises a sample placing area; an annular light source module including a light emitting module for emitting a plurality of detection light of different wavelengths; the condensing convex lens is used for condensing the detection light to the sample placing area; the detection module comprises a spectrum detection module and a camera module, the spectrum detection module is used for receiving a sample fluorescence spectrum from the sample placement area and generating a malondialdehyde detection result, the camera module comprises a camera and an image processing module, the camera is used for collecting a sample image of the sample placement area, and the image processing module is used for processing the sample image; the image processing module is used for receiving the sample image and generating RGB (Red, Green and Blue) three-primary-color data according to the sample image to generate a detection result of volatile basic nitrogen; and a display module electrically connected to the detection module. According to the device disclosed by the utility model, malonaldehyde and volatile basic nitrogen contained in livestock and poultry meat can be rapidly and nondestructively detected in real time.

The utility model is suitable for the technical field of freezing equipment, and provides tunnel type variable-frequency variable-voltage rod electrode array coupling liquid nitrogen freezing equipment which comprises a freezing tunnel and a conveying belt penetrating through the interior of the freezing tunnel. An electric field device is further arranged in the freezing tunnel, the electric field device comprises an electric field generator, a frequency converter and a plurality of rod electrodes, and the rod electrodes are uniformly distributed in the freezing tunnel; the electric field generator is electrically connected with a plurality of frequency converters arranged in the freezing tunnel, so that an electric field is uniformly distributed in the freezing tunnel; a liquid nitrogen spraying device is further arranged in the freezing tunnel, and the liquid nitrogen spraying device is used for spraying liquid nitrogen. The quick freezing device is high in applicability and can be used for quickly freezing various fresh meat such as fish meat, livestock meat and poultry meat; and meanwhile, the controllability is high, and parameters such as frequency, voltage and freezing rate can be adjusted.

The application discloses a kind of poultry meat food pretreatment processing technology, including scalding and removing integrated machine and poultry meat cutting machine, including the following processing steps: step one, quality and health inspection is carried out to fresh poultry meat, and the poultry meat that is determined to be safe and qualified is selected out;Step two, the selected poultry meat is placed in the scalding and removing integrated machine hot water tank for 1-3min, wherein the water temperature of hot water tank is 60-70 DEG C, and the root of feather on poultry meat is softened;Step three, poultry meat after hot water immersion is transferred to the roller room between the hot water tank of scalding and removing integrated machine, until the complete dehairing.The conveying unit between the scalding and removing integrated machine and the poultry meat cutting machine is improved and replaced in the application, which can adjust the posture direction of poultry, facilitate the subsequent processing of poultry after scalding and dehairing, has simple structure, low manufacturing cost, improves the processing efficiency of poultry pretreatment, and reduces the processing cost.

The utility model discloses boiling equipment for poultry meat product processing, which belongs to the field of poultry meat product processing and comprises a bottom plate. A mounting frame is mounted on the bottom plate, and a poultry meat boiling barrel is mounted on the mounting frame; a height adjusting assembly is further vertically installed on the upper end face of the bottom plate. According to the boiling equipment for poultry meat product processing, poultry meat and spices can be placed in the collecting barrel and the spices barrel through collection of the collecting barrel and the spices barrel, so that the poultry meat and the spices are boiled in the poultry meat boiling barrel at the same time; after the poultry meat is boiled, the poultry meat and spices can be quickly separated through the lifting control of the height adjusting assembly on the collecting barrel and the spice barrel, and a large amount of time consumed by traditional manual separation is avoided; and the height adjusting assembly can lift or lower the collecting barrel and the spice barrel in a short time, so that the collecting barrel and the spice barrel are rapidly separated, poultry meat and spices in the barrel can be directly collected, the production period is greatly shortened, and the yield in unit time is increased.

The invention relates to the field of animal feed, in particular to cat food capable of improving cat tear stains and having a hair beautifying effect and a preparation method of the cat food. The cat food comprises the following components in parts by weight: 30-70 parts of poultry meat, 5-20 parts of fish meat, 2-22 parts of poultry viscera, 2-5 parts of vegetables, 0.5-5 parts of fish oil and 1.6-4.5 parts of a plant extract, the plant extract is cranberry extract, marigold extract and cassia seed extract; wherein the cranberry extract accounts for 0.5-2 parts, the marigold extract accounts for 0.5-1 part, and the cassia seed extract accounts for 0.5-1 part; 1-3 parts of yolk powder; the auxiliary materials comprise 0.1 to 0.5 part of taurine, 0.5 to 2 parts of lecithin, 0.1 to 0.5 part of yucca extract, 0.05 to 0.1 part of choline chloride, 0.1 to 0.2 part of sodium chloride, 0.1 to 0.3 part of fructooligosaccharide and 0.2 to 2 parts of additive premix feed. The raw materials are low in price and easy to obtain, all the components of the raw materials have a synergistic effect, nutrition is balanced, on the basis of improving cat tear stains, the hair beautifying function is achieved, meanwhile, the pet hair beautifying feed is beneficial to maintaining overall health of pets, the preparation method is simple and convenient, preservative additives are omitted, and the pet hair beautifying feed is safer and has good commercialized application prospects.

The invention relates to a rotating cylindrical mould member for moulding a product from a foodstuff raw material comprising poultry meat, pork, a meat substitute and vegetarian foodstuff, the mould member having a longitudinal axis and an outer circumference, comprising at least one mould body having a curved outer surface forming at least a part of the outer circumference of the mould member and an opposite inner surface, wherein the mould body is made of a porous material having a porous structure with interconnected pores, wherein the outer circumference is at least partially hermetically sealed, wherein each mould body comprises at least one cavity in which the foodstuff raw material is moulded, the cavity being formed in the curved outer surface, being delimited by a boundary comprising a wall and a bottom, the cavity comprising at a porous bottom wall and / or at a porous side wall thereof and / or at a curved / contoured boundary thereof a deformation layer formed by plastic deformation, the mould body comprising an inner volume of the mould body arranged between the deformation layer and the inner surface, the mould member further comprising a gas supply forcing gas through the inner volume and the deformation layer into the cavity to aid removal of the moulded product from the mould cavity. The invention further relates to a method of providing a cavity in a porous mould body.

This invention discloses a positioning and loading mold for poultry meat cutting and processing. The positioning and loading mold includes a trimming frame, a frame-mounted drive installed beside the trimming frame, a loading and positioning mold positioned between the trimming frames, a waste material conveyor installed at the end of the trimming frame, a trimming device installed in the center of the trimming frame, a lower guide drawer fixed between the trimming frames, and an even number of inner guide plates installed on the surface of the lower guide drawer. In this invention, the mold device uses a chain with a support frame to fix the plates; when changing the type of product, a downward-pressing rotating rod drives a U-shaped connected limiting ball joint to press down, causing the limiting ball joint to disengage from the limiting rod while swinging within the swing rod groove and disengaging from the pressure on the connecting swing rod. The connecting swing rod then drives the double-sided platform to tilt upwards with the assistance of a spring seat. Finally, after adjustment by a conversion sleeve, the double-sided platform rotates in a ring to switch to the placement surface of the target type, thereby achieving rapid switching and balancing efficiency improvement and flexible production capabilities.

The utility model discloses a cleaning device for poultry meat processing, and relates to the technical field of poultry meat processing, which is technically characterized by comprising a water storage tank, a cleaning tank is fixedly mounted on the upper end face of the water storage tank, two sliding rods are slidably mounted on the inner walls of the two sides of the cleaning tank through connecting mechanisms, and limiting blocks are fixedly mounted on the outer walls of the two sliding rods. By arranging the reciprocating lead screw, the lead screw sleeve, the spraying pipe and other assemblies, the reciprocating lead screw can drive the lead screw sleeve to move through cooperation with the limiting rod when rotating, at the moment, the lead screw sleeve can drive the connecting pipe to move through the fixing plate, and the spraying pipe is fixedly connected with the connecting pipe. When the connecting pipe moves, the spraying pipe can be driven to move and pull the telescopic hose, so that the spraying pipe can drive a plurality of nozzles to reciprocate to spray water, the poultry meat can be thoroughly and efficiently cleaned, waste of water resources is reduced, and the processing efficiency and the product quality are improved.

The present application relates to livestock traceability technical field, specifically for livestock meat slaughtering, cutting and packaging traceability method and system based on internet, the method comprises: collecting quarantine information of livestock individual, obtaining initial traceability data; according to initial traceability data, determine the slaughter batch code, and the initial traceability data source is bound with the slaughter batch code, and the slaughter credible data package is obtained; based on the slaughter batch code, the cutting operation process information of livestock individual is tracked and filed in real time, and the cutting link data chain is obtained; based on the cutting link data chain, the multi-dimensional quality of livestock individual is judged, and the comprehensive quality index is obtained; based on the comprehensive quality index, the intelligent matching planning of meat product is carried out, and the packaging batch planning is obtained; based on the packaging batch planning, the livestock individual is coded and identified, and the product traceability code is obtained; the present application can improve the efficiency of livestock meat slaughtering, cutting and packaging traceability based on internet.

The invention discloses a meat duck pectoralis determination system and method. The system comprises a multi-modal pectoralis image fusion divider module, a muscle three-dimensional feature principal component fusion model module, a heterogeneous pectoralis multi-index grading model module, a poultry meat muscle parameter management analysis platform, a meat duck pectoralis parameter acquisition module and a parameter result output module. The method comprises the following steps: acquiring parameters such as muscle fiber diameter and intermuscular fat content through a meat duck pectoralis parameter acquisition module, storing and associating the parameters through a poultry meat muscle parameter management and analysis platform, and respectively transmitting the parameters to a multi-modal pectoralis image fusion divider and a muscle three-dimensional feature principal component fusion model; the former processes a multi-source image to generate a segmented image, the latter processes parameters to generate a feature vector, the two data are transmitted into a heterogeneous pectoralis multi-index grading model to analyze and judge grades, and finally, a parameter result output module integrates an output result. The meat duck breast muscle measuring efficiency and accuracy are improved, and the quality control requirement of the meat duck industry is met.

The invention discloses a poultry meat campylobacter quantitative detection method based on microdroplet type digital PCR and application of the poultry meat campylobacter quantitative detection method, and belongs to the technical field of genetic engineering. The invention provides a primer probe combination for detecting campylobacter. The primer probe combination comprises a forward primer with a nucleotide sequence as shown in SEQ ID NO.7, a reverse primer with a nucleotide sequence as shown in SEQ ID NO.8 and a probe with a nucleotide sequence as shown in SEQ ID NO.9. The invention also provides a non-diagnostic campylobacter detection method. The method comprises the following steps: designing a specific primer probe combination; optimizing the annealing temperature to 58 DEG C; constructing a ddPCR reaction system; and the like. The detection limit of the method provided by the invention reaches 1000CFU / g, and the method is suitable for rapid monitoring of poultry meat safety and provides reliable technical support for early monitoring of poultry meat safety risks.

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

The utility model provides a kind of poultry automatic cutting device, including processing table and cutting mechanism, the both sides of processing table are equipped with guard plate, the outer end of processing table both sides guard plate is respectively equipped with conveying chain, the scraping blade of interval distribution is equipped between two sides conveying chain, the clamping piece that is equipped with fixed poultry on scraping blade, to drive poultry to move on processing table, processing table side is equipped with the collecting box of collecting poultry;Clamping piece is arranged in scraping blade side with poultry, and poultry is dragged to move on processing table, after processing table both sides detect scraping blade in place by photoelectric sensor, pusher controls lower block to press on poultry to press, to level fixed poultry, drive piece controls cutting knife to extend lower block, to complete the slitting of poultry, realize the automatic cutting operation of poultry, improve the working efficiency of poultry processing.

To provide a feed and a method for improving meat quality of poultry and animal meat, especially for enhancing antioxidant power of the meat and reducing drip amount flowing out from the meat.SOLUTION: The feed for enhancing the antioxidant power of the meat of the birds and animals contains coffee bean grounds, and the feed for reducing the outflow of drip from the meat of the birds and animals contains coffee bean grounds. The method for enhancing the antioxidant power of the meat of the birds and animals and the method for reducing the outflow of the drip from the meat of the birds and animals include giving the feed.SELECTED DRAWING: None

The application discloses a longitudinal-bending coupling adaptive livestock and poultry meat ultrasonic cutting system and method based on acoustic black hole effect, and belongs to the technical field of food processing machinery equipment. The ultrasonic cutter head of the cutting unit has an energy focusing transition section; a cooling flow channel is arranged in the ultrasonic cutter head; a tissue recognition module is used for determining the type of livestock and poultry meat tissue to be cut; a piezoelectric sensor is used for detecting the electrical impedance signal of the piezoelectric transducer in real time; an adaptive control module is internally provided with an impedance reference parameter library, the parameter library stores target impedance values corresponding to different livestock and poultry meat tissue types; the adaptive control module receives the tissue type information; according to the tissue type information, the corresponding target impedance value is called from the impedance reference parameter library; the working frequency of the ultrasonic wave generator is dynamically adjusted; the application can adaptively adjust the output according to the change of the tissue type in livestock and poultry meat cutting, and can effectively control the thermal damage while improving the cutting efficiency.

The invention provides a multifunctional poultry slaughtering table, and relates to the technical field of poultry slaughtering tables, the multifunctional poultry slaughtering table comprises an operation table, two ends of the surface of the operation table are respectively provided with a cleaning barrel and a blood draining frame, one side surface of the operation table is provided with a control box, the cleaning barrel is internally provided with a rotary hanging bracket, and the bottom end of the cleaning barrel is fixedly communicated with a water outlet pipe; the section of the bottom end of the blood draining frame is in a necking shape, the surface of the bottom end of the blood draining frame fixedly communicates with a seepage frame, an adjusting device is arranged on the surface of the inner wall of the blood draining frame and comprises a plurality of sliding rods, the two ends of each sliding rod slidably penetrate through the surface of the side wall of the blood draining frame, and sliding grooves are formed in the two sides of the blood draining frame. The inner wall of the sliding groove is slidably connected with a moving column corresponding to the sliding rod, and the bottom end of the moving column is fixedly connected with the surface of the sliding rod. According to the invention, the problem that poultry meat without blood draining is easy to deteriorate in the storage and transportation process due to rapid decay of meat products caused by components in blood is solved.

The invention relates to the technical field of poultry breeding, and particularly discloses a traditional Chinese medicine poultry breeding formula and breeding method.The formula is composed of traditional Chinese medicine components and basic feed components, the traditional Chinese medicine components comprise 21 traditional Chinese medicines such as angelica sinensis, codonopsis pilosula and honeysuckle, the basic feed comprises soybean meal, bran and the like, and fermented feed is prepared through probiotic fermentation. The breeding method comprises the steps of formula pretreatment, segmented feeding in a brooding period / a growing period / a fattening period, regulation and control of environment temperature, humidity and illumination, scientific disinfection, regular addition of a traditional Chinese medicine epidemic prevention agent and the like. The poultry function is conditioned through traditional Chinese medicine components, the feed utilization rate is increased through probiotic fermentation, standardized breeding management is combined, epidemic disease occurrence and chemical preparation use are reduced, the breeding period is shortened, the poultry meat quality and breeding benefits are improved, and the feed is free of medicine residues, green, healthy and suitable for large-scale popularization.

The invention discloses a biological feed for improving flavor and nutritional level of meat products and a use method of the biological feed. The biological feed comprises the following substances in parts by weight: 60-80% of basic feed raw materials; 0.5%-5% of a compound probiotic preparation; 3%-10% of a plant functional extract; 10%-20% of fermented soybean meal and 0.1%-1% of a trace element The biological feed is used for replacing 20-40% of conventional feed in daily ration of livestock and poultry; continuously feeding for 30-60 days, and stopping feeding 7 days before slaughtering. According to the biological feed capable of improving the flavor and nutritional level of the meat product and the use method of the biological feed, in the aspect of improving the flavor of the meat product, the plant functional extract is added into the biological feed, the biological feed is rich in various bioactive components, the meat product of livestock and poultry can be endowed with unique flavor and fragrance, and the meat product is more delicious in taste; the requirements of consumers on high-quality meat products are met.

The present invention relates to a high-barrier and antibacterial polylactic acid packaging material and a preparation method thereof, and belongs to the technical field of biodegradable packaging materials. The invention solves the technical problems that traditional polylactic acid materials have insufficient barrier properties, poor antibacterial performance and are difficult to meet the packaging needs of livestock and poultry meat, food and medicine. Graphene oxide sheet material is functionalized with copper ions and bridged with tannic acid molecules through copper ions to form a nanofiller, which is then blended with a plasticized polylactic acid solution to form a film. Graphene oxide and copper nitrate are used to prepare a copper ion functionalized dispersion, which is self-assembled with tannic acid at pH 8-10 to generate a nanofiller, which is then evenly dispersed and mixed with polylactic acid, polyethylene glycol and glycerol in a specific mass ratio. The high-performance packaging material is obtained by coating to form a film and controlling the solvent volatilization conditions. The method significantly improves the oxygen barrier and antibacterial activity of the material by evenly dispersing the nanofiller and strengthening the coordination network. The obtained material is suitable for packaging livestock and poultry meat and other foods.

The invention relates to an automated food / feed block transport processing line comprising at least one grinder, at least two mixers and at least one distribution / molding device, and the system is particularly suitable for blocks consisting essentially of highly viscous protein food / feed such as poultry meat, chicken, pork, beef, meat substitutes, vegetarian meat substitutes, fish or pet food. The invention further relates to a method for operating the processing line.

The invention discloses a method for regulating and controlling the quality of ready-to-eat poultry meat based on composite treatment of thermal ultrasound, a germinating agent and a licorice extract, and belongs to the technical field of food processing. The method comprises the following steps: performing germination induction treatment on meat products by adopting a germinating agent, then adding a licorice extract, mixing, performing thermal ultrasonic treatment, and finally performing vacuum packaging and storage. According to the method, the color stability of the instant chicken breast can be remarkably improved, the meat color is natural and bright, the sensory acceptance of the product is remarkably improved, the moisture distribution of the chicken breast can be effectively regulated and controlled, free water loss is reduced, the proportion of water not prone to flowing is increased, the water-retaining property of the product is enhanced, the phenomena that the meat is dry and tender are improved, and the eating juiciness and palatability are improved; characteristic flavor substances can be stably reserved, loss of key flavor components such as alcohols and esters is reduced, generation of putrefying peculiar smell is inhibited, the flavor of the product is purer, the flavor consistency in the shelf life is higher, and the problem that the flavor is seriously deteriorated in traditional high-temperature sterilization is solved.

The invention relates to a vacuum precooling and vacuum packaging integrated method for cooked meat products, which comprises the following steps: putting the cooked meat products into a packaging bag for prepackaging, then sterilizing, putting the sterilized cooked meat products into a vacuum box, and putting the packaging bag into an ice-water mixture; closing the vacuum box, starting a vacuum pump to vacuumize, sealing the packaging bag after the temperature of the cooked meat product is reduced to a preset temperature, closing the vacuum pump, and recovering normal pressure to obtain the pre-cooled cooked meat product. The ice-water mixture is used as a cooling auxiliary carrier and cooperates with vacuum pre-cooling to complete cooling of the sample, after pre-cooling is completed, the cooked meat product does not need to be removed out of a vacuum box for vacuum packaging, a re-pressing process is avoided, and the risk of secondary pollution is avoided. The invention further provides equipment of the vacuum precooling and vacuum packaging integrated method, and the vacuum precooling and vacuum packaging integrated method for the cooked meat products is suitable for treating livestock and poultry meat products, especially chicken and pork.

The application belongs to the technical field of livestock and poultry meat product processing safety, and specifically discloses a low-sodium nitrite ham and a preparation method thereof.The raw material of the ham comprises pork and a pickling liquid.The pickling liquid comprises 0.01 g / kg-0.05 g / kg of sodium nitrite, 1.0 wt%-3.0 wt% of salt, 2 mL / kg-10 mL / kg of a compound probiotic bacteria liquid, and 1.0 wt%-2.0 wt% of a hawthorn-wolfberry compound extract.The compound probiotic bacteria liquid comprises Pediococcus pentosaceus MJ11 and Lactobacillus pentosus GM09.The pickling liquid can inhibit the synthesis of nitrosamine in the ham and reduce the content of nitrosamine.Therefore, the ham prepared by using the pickling liquid has the advantages of low sodium nitrite and stable quality.

The invention discloses a poultry slaughtering and meat sampling integrated experimental device and a sampling method, and belongs to the technical field of poultry meat sampling, the poultry slaughtering and meat sampling integrated experimental device comprises a sampling experiment table, the sampling experiment table is provided with a compression type fixing assembly used for fixing poultry, and the compression type fixing assembly is provided with a clamping groove; poultry meat sampling assemblies located on the sampling experiment table are arranged on the two sides of the pressing type fixing assembly, a minimally invasive bloodletting assembly used for poultry slaughtering bloodletting is arranged on the side face of the sampling experiment table, and a disinfection and sterilization protective cover with a lifting function is arranged above the sampling experiment table. The invention adopts the poultry slaughtering and meat sampling integrated experimental device and the sampling method. The problems that an existing poultry meat sampling device is poor in adaptability of a fixing mechanism, poor in fixing effect, low in slaughter bloodletting operation precision, insufficient in safety, inconvenient in blood collection, insufficient in meat sampling operation normalization, high in sample pollution risk, tedious in operation process, low in efficiency and high in labor intensity are solved.

This invention relates to the field of food labeling technology, and more particularly to a smart label assembly and its preparation method. A smart label assembly includes: a substrate layer, a color-developing layer, and a protective layer; the color-developing layer is fixed to the surface of the substrate layer, and the protective layer covers the surface of the color-developing layer; the color-developing layer includes: an amine oxidase-type color-developing area and a glucose oxidase-type color-developing area. When livestock and poultry meat spoils and produces volatile amines and glucose degradation products, these two types of substances are catalyzed by amine oxidase and glucose oxidase, respectively, to produce ammonia and hydrogen peroxide, which then react with indicators on the label to produce color changes. The two types of labels are used together for mutual verification, forming a rapid detection method for livestock and poultry meat spoilage using smart labels, which can directly determine the quality of livestock and poultry meat. This label is simple to prepare, low in cost, and suitable for fresh livestock and poultry meat packaging, allowing monitoring from the freshness stage.

This invention relates to a method, apparatus, and medium for rapid sorting of poultry meat percentage based on X-ray imaging. The method includes: Step S1: acquiring X-ray images of the poultry to be tested; Step S2: identifying the sternal region and skin boundary based on the X-ray image; Step S3: drawing a normal at the sternal apex, obtaining the intersection of the normal at the sternal apex and the skin boundary as the first surface point, and obtaining the initial bone-skin distance based on the distance from the sternal apex to the first surface point; Step S4: obtaining the angle between the X-ray machine's visual axis direction and the normal direction of the first surface point as the consistency difference angle, obtaining the sternal integrity ratio and sternal principal axis attitude angle based on the sternal region, and correcting the initial bone-skin distance based on the consistency difference angle, sternal integrity ratio, and sternal principal axis attitude angle to obtain the corrected bone-skin distance; Step S5: obtaining the meat percentage grading result based on the corrected bone-skin distance. Compared with the prior art, this invention can achieve poultry meat percentage sorting based on X-ray imaging.