569 results about "Soybean product" patented technology

The application discloses a method for improving the quality and moisture content distribution of bean curd by soaking and using water for pulp grinding, and comprises the following steps: (1) pretreatment: accurately weighing CaCl2, MgCl2, KCl and cellulase according to different proportions, dissolving in deionized water, and preparing for use; (2) adjusting pH value: taking sodium bicarbonate, dissolving in the prepared deionized water, and adjusting the pH value; (3) raw material preparation: weighing 500g of yellow beans, pouring into the prepared deionized water in step (2), and soaking for about 8-10h; (4) bean curd preparation: preparing the bean curd product rich in various ions according to the process flow by using the soaked yellow beans. The application has the advantages of simple process, low production cost and suitability for industrial production, and solves the problem that the quality of bean products is different due to different water qualities in different regions for yellow bean processing enterprises.

The invention discloses a preparation method of a whole-bean rumex hanus nutrient plant enzyme, which comprises the following steps: S1, taking soybeans, and preparing whole-bean minced soybean; taking rumex hanus to prepare rumex hanus whole pulp; taking grains, and preparing whole grain pulp paste; taking fruits and vegetables, and preparing fruit and vegetable puree; s2, mixing the whole-bean minced soybean, the rumex hanus whole pulp, the whole-grain minced pulp and the fruit and vegetable primary pulp obtained in the step S1 to obtain whole-bean rumex hanus nutrient plant enzyme primary pulp, and then sequentially performing enzymolysis by combining cellulase with pectinase, amylase, saccharifying enzyme and protease; and S3, taking the whole-bean rumex hanus nutrient plant enzyme primary pulp subjected to enzymolysis in the step S2, performing anaerobic fermentation by using saccharomycetes and / or distiller's yeast under the negative pressure condition of-0.1 to-0.06 MPa, and filtering to obtain the whole-bean rumex hanus nutrient plant enzyme. The invention further provides the whole-bean rumex hanus nutrient plant enzyme. According to the technical scheme, the defects of traditional bean products, rumex hanus food and edible plant enzymes can be overcome.

The invention provides a bean product fermentation influence factor analysis method and system, and relates to the technical field of food safety detection.The method comprises the steps that multiple sets of key parameters are set within a preset range, physical and chemical index changes under the parameters are monitored in real time, and the physical and chemical index changes comprise the tannin variation, the acid production capacity, the fermentation rate and the active enzyme variation; the method comprises the following steps: establishing a key parameter, constructing a physical and chemical index prediction model, training by taking the key parameter as input, evaluating a fermented bean product, training a sensory evaluation index prediction model by taking the physical and chemical index as input, and finally, determining an optimal combination of the key parameter through a genetic algorithm by taking maximization of the sensory evaluation index as a target, thereby optimizing a fermentation process. By setting and adjusting key fermentation parameters in real time and combining physical and chemical index monitoring and sensory evaluation, the purposes of optimizing the fermentation process and improving the final quality of bean products are achieved.

The invention discloses a production process for preparing tofu cat litter from wet bean dregs by a one-step method, and belongs to the technical field of tofu cat litter production, resource recycling and environmental protection, and the production process comprises the following steps: treating the wet bean dregs through multistage filter pressing equipment with a continuous vacuum auxiliary function; homogenizing and mixing the filter-pressed wet bean dregs with a reinforcing agent, a binder and a modifier in an ultrasonic dynamic mixing device; performing low-temperature puffing on the mixed material; the production efficiency of the tofu cat litter is remarkably improved, energy consumption is reduced, low carbon and environmental protection are achieved, the processes of repeated drying and water adding are avoided, a reasonable formula and novel equipment are combined, the water absorption, deodorization and antibacterial property of the cat litter are improved, the long-term problem of the bean product industry can be solved, and the production cost is reduced. The defect of poor performance of the environment-friendly cat litter in the market can be overcome, and an innovative resource recycling technical scheme is provided.

The invention discloses a sterilization process and a sterilization device for processing instant bean products, and relates to the technical field of food sterilization. When a conveying belt drives bean products to move, high-temperature steam is in contact with the bean products and high-temperature sterilization is carried out, due to the fact that the bean products are not turned over in the conveying process, contact dead angles appear during steam contact, and the bean products are not sterilized uniformly. When the bean products are driven by the conveying mechanism to enter the space between the steam exhaust hoods, the bean products in a moving state pass through the inclined guide plate and the material shoveling plate, and are shoveled and turned over in the moving process, so that high-temperature steam sprayed out of the steam exhaust hoods is uniformly contacted with the surfaces of the bean products, and the situation that the sterilization effect is not ideal due to sterilization dead angles is avoided; meanwhile, the side baffles on the two sides are matched with the shoveling plate and the inclined guide plate, so that the bean products are prevented from falling off from the two sides in the process of shoveling and turning over the bean products.

The invention provides a double-layer heat preservation cabinet control method and system and electronic equipment. The control method comprises the steps that type information of target food in each layer of heat preservation cabinet is obtained; the type information comprises fresh fruits and vegetables, cooked wheaten food staple food, meat, soup and porridge, bean products and baked pastries; determining target temperature and target humidity corresponding to the target food according to the type information of the target food; the current temperature of each layer of heat preservation cabinet is obtained in real time, and the temperature of each layer of heat preservation cabinet is adjusted in real time according to the current temperature and the target temperature; the current humidity of each layer of heat preservation cabinet is obtained in real time, and the humidity of each layer of heat preservation cabinet is adjusted in real time according to the current humidity and the target humidity. According to the control method and system provided by the invention, the freshness of the food is effectively improved.

The invention relates to the technical field of bean product processing, and discloses a defoaming device for bean product production and processing, the device comprises a base, a base plate and a discharging barrel, one side of the top of the base plate is fixedly provided with a device main body, one side of the device main body is fixedly provided with a processing cylinder, and the defoaming device further comprises an eliminating assembly arranged in the processing cylinder, vertical plate parts are symmetrically and fixedly connected to the top of the base, a feeding assembly is arranged between the two vertical plate parts, the eliminating assembly comprises a longitudinal plate fixedly installed on the upper portion of the interior of the processing barrel, a driving motor is fixedly installed at the top of the longitudinal plate, and a rotating shaft is fixedly connected to the output end of the driving motor; and a central fan blade and a side gear are fixedly connected to the outer side of the rotating shaft, so that the problems that only a small amount of large bubbles are punctured by the tip of the device, and most of the bubbles are still likely to remain on the liquid level position, so that the bubble eliminating effect is reduced, and the subsequent bean product processing quality and taste are influenced are solved.

The utility model discloses particle grinding and crushing equipment which comprises a machine body, a grinding and crushing assembly which is arranged in the machine body and used for grinding and crushing falling bean product material particles, and a feeding port and a discharging port which are formed in the upper side and the lower side of the machine body respectively. The rolling crushing assembly comprises two sets of rectangular plates symmetrically arranged in the machine body, and a through groove is formed in one set of rectangular plates. According to the particle grinding and crushing equipment, in the grinding and crushing process of bean product particle materials, the pushing assembly and the grinding and crushing assembly are matched with each other to grind and crush the bean product particle materials, and after grinding and crushing, the bean product particle materials can be ground and crushed through transmission. The bean product materials adhered to the grinding and crushing plate are scraped, separated and dropped, the cleanliness of the surface of the grinding and crushing plate is kept, part of the bean product materials are prevented from being excessively ground while the grinding and crushing efficiency is guaranteed, and the processing effect is guaranteed.

The utility model discloses a marinating pot capable of quickly mixing marinating liquid and bean products, and relates to the technical field of food processing, the marinating pot comprises a marinating pot and a pot cover, a rotating assembly is arranged in the marinating pot, the rotating assembly comprises a screw rod installed on the inner bottom wall of the marinating pot, the outer wall of the screw rod is in threaded connection with a threaded sliding block, and the threaded sliding block is in threaded connection with the marinating pot. Two screen frames are installed on the outer wall of the threaded sliding block, and a support is installed at the top of the threaded sliding block. A user pushes the pot cover, the screen frame is driven to descend and rotate through the support and the threaded sliding block, seasoning is evenly distributed in brine through rotation of the screen frame, bean products are helped to comprehensively absorb the taste of the brine, and meanwhile the screen frame prevents the bean products from floating on the surface of the brine to cause uneven soaking.

The rapid drying device for bean product processing comprises a drying box, the front side of the drying box is movably connected with a box door through hinges, supporting rods are fixedly installed on the left side and the right side of the bottom of the drying box and the front side and the rear side of the bottom of the drying box respectively, and an L-shaped plate is fixedly installed on the left side of the drying box; fixing mechanisms are arranged on the upper side and the lower side of an inner cavity of the drying box correspondingly, each fixing mechanism comprises a containing box, the containing boxes are movably connected into the inner cavity of the drying box, driving gears are movably connected to the front sides of the bottoms of the containing boxes, and grips are fixedly installed at the bottoms of the driving gears; and the rear side of the bottom of the placing box is movably connected with a driven gear. By arranging the fixing mechanism, the bean products can be fixed, and the situation that due to the fact that fixation is not firm in the drying process, the bean products fall off, normal drying of the bean products is affected, and the drying work efficiency of the bean products is reduced is avoided.

The invention discloses a preparation method of soybean milk powder for promoting immune regulation, and belongs to the technical field of soybean product processing. Performing biological enzymolysis; modifying soybean protein; compounding functional components; and preparing the microcapsule. An ultrasonic-enzyme composite extraction technology is applied, and the enrichment rate of components with immunocompetence is increased. According to the method, the Maillard reaction is performed on the soybean protein and the polysaccharide by utilizing an ultrasonic-assisted heating technology, so that the emulsifying characteristic of the soybean protein isolate is improved, and the immunoregulation promoting performance of the soybean protein isolate is greatly improved. According to the invention, through a microcapsule embedding technology, glycosylated soybean protein is wrapped in the particles by a wall material formed by galactooligosaccharide and resistant dextrin, the stability and bioavailability are improved, the microencapsulation efficiency is greater than 95%, and the immunoregulation promotion performance of the microencapsulated soybean protein is effectively exerted. By adopting spray drying, inactivation of immune active components caused by high temperature is avoided.

The utility model discloses a soybean pulping device at the front stage of soybean product processing. The soybean pulping device comprises a shelling and crushing mechanism and a crushed soybean and water adding mechanism, the shelling and crushing mechanism comprises a discharging mechanism, a first lifting conveyor is arranged at a discharging port of the discharging mechanism, a primary crusher is arranged at a discharging port of the first lifting conveyor, a spiral conveyor is arranged at a discharging port of the primary crusher, and a separating mechanism is arranged at a discharging port of the spiral conveyor. A second lifting conveyor is arranged at a discharge port of the separation mechanism, a secondary crusher is arranged at a discharge port of the second lifting conveyor, a crushed bean storage tank is arranged at a discharge port of the secondary crusher, the crushed bean storage tank is connected with a third lifting conveyor, and the third lifting conveyor is connected with a crushed bean water adding mechanism; by means of the design, the defect that soybeans can be ground only after being soaked in advance in an existing pulping process is overcome, and the technical problem that the product quality and the yield are affected by microorganisms generated in the soaking process is avoided.

The utility model relates to the technical field of bean product processing, and discloses a soybean milk throwing device for bean product processing, which comprises a cylinder, a filter cartridge is rotatably connected in the cylinder, a support plate is fixedly mounted on the inner wall of the top of the cylinder, a connecting plate is slidably connected to one side of the support plate, and an electric push rod is fixedly mounted at the top of the cylinder in a penetrating manner. The output end of the electric push rod is fixedly connected with the connecting plate; a sliding rod is slidably connected to one side of the connecting plate in a penetrating mode, a rubber ball is fixedly connected to one end of the sliding rod, a circular plate is fixedly connected to the other end of the sliding rod, the power assembly, the rubber ball, the electric push rod and the connecting plate are arranged, the power assembly extrudes the circular plate, and the circular plate extrudes a spring to drive the sliding rod and the rubber ball to move; the sliding rod and the rubber ball reciprocate under the elastic action of the spring, the output end of the electric push rod drives the connecting plate to ascend and descend, the height of the rubber ball is adjusted, and therefore different height positions of the filter cylinder are impacted to shake off bean dregs.

The utility model discloses a bean product pulp throwing machine convenient to clean inside, and relates to the technical field of bean product pulp throwing, the bean product pulp throwing machine comprises a pulp throwing box, a cleaning assembly, a servo motor, a rotating rod, a screen mesh cylinder, a box body and a soybean milk cylinder are arranged in the pulp throwing box, the cleaning assembly comprises a driving bevel gear, the driving bevel gear is in meshed connection with two driven gears, and the two driven gears are in meshed connection with the servo motor. When the servo motor is started, the driving bevel gear is meshed with the driven gear to drive the cleaning assembly and the box body to rotate, the driven gear and the first fixing rod rotate, the reciprocating lead screw is made to rotate through the transmission belt, and the threaded sleeve slides on the lead screw in a reciprocating mode; the reciprocating motion of the reciprocating lead screw enables the sleeve brush to brush the outer wall of the screen mesh cylinder in a reciprocating mode through the connecting rod, real-time cleaning in the slurry throwing process is achieved, sticky slurry is prevented from being attached to the screen mesh cylinder, smooth slurry discharging is guaranteed, the cleaning assembly can help the screen mesh cylinder to be cleaned under the condition that the screen mesh cylinder is not detached, and the production efficiency is improved.

The invention relates to the technical field of fermented bean products, in particular to fermented bean curd rich in nattokinase and a preparation method of the fermented bean curd. Comprising the following steps: carrying out strain activation and enlarged culture on bacillus natto, centrifuging, and removing supernatant to obtain a bacillus natto precipitate; uniformly mixing mucor and bacillus natto precipitates with sterile water in proportion to prepare a strain suspension; preparing a bean curd blank, spraying the strain suspension, and carrying out primary fermentation to obtain a bean curd blank; spreading table salt on the surface of the bean curd blank to pickle the bean curd blank to obtain a salted blank; preparing a soup base, inoculating the bacillus natto precipitate, fermenting, and preparing a fermented bean curd soup base; and putting the salt blank and the fermented bean curd soup base into a container, sealing, and carrying out post-fermentation under the condition of constant temperature, so as to obtain the fermented bean curd rich in nattokinase. The method has the advantages that the biological activity of the nattokinase in a salt environment is improved by a method of reducing the use amount of the salt and performing multiple fermentation on the bacillus natto; and a fermentation microbial enzyme system is enriched.

The utility model belongs to the technical field of bean product sterilization, particularly relates to efficient and energy-saving bean product sterilization equipment, and aims to solve the problems that a water guide disc is arranged at the lower part of an existing tray, so that the sterilization operation of water vapor on the lower part of a sample is influenced, dripped water drops influence the sample at the lower part, and a large amount of heat is taken away when collected water is directly discharged. According to the technical scheme, the sterilization device comprises a sterilization box, the sterilization box is provided with a steam generator for producing sterilization steam, a cavity for providing saturated sterilization steam is formed in the sterilization box, a frame body is placed in the cavity, a plurality of material trays are placed on the frame body, and samples to be sterilized are placed on the material trays; according to the sterilization device, no dead angle exists in the sterilization process, condensate water can be collected and guided to the bottom recycling pool after dropping, a sample on the lower portion is not affected, the condensate water with heat in the recycling pool can be circularly taken for use, and the sterilization device is more energy-saving and environmentally friendly.

The utility model discloses a raw material soaking device for bean product processing, which comprises a soaking barrel, the soaking barrel comprises a barrel body, the top of the barrel body is connected with a barrel cover, a mixing mechanism is arranged in the barrel body, the mixing mechanism extends to the upper part of the barrel cover and is rotatably connected with the barrel cover, and the mixing mechanism is connected with a motor. The top of the barrel cover is fixedly connected with a power mechanism for driving the mixing mechanism to rotate. The equipment has the advantage of uniformly soaking the soybeans, and solves the problems that part of soaking devices cannot stir the soaked soybeans, the soybeans at the bottom can be accumulated too densely due to the action of gravity in the standing and soaking process of the soybeans, so that water is difficult to permeate into the centers of the soybeans, and the soybeans at the upper layer can absorb too much water, so that the soaking is not uniform, and the soaking time is shortened. Not only is the production efficiency influenced, but also excessive soaking is possibly caused, so that part of soybeans begin to be fermented, and further the product quality is influenced.

The invention provides an electric automatic beancurd skin manufacturing device which comprises a support, a plurality of conveying wheels and a conveying belt which are used for conveying and processing raw materials are arranged on the support, the conveying wheels are connected to a motor, the motor is arranged on an upper support above a lower support, a feeding port is formed in one end of the support, and a discharging port is formed in the other end of the support. A material conveying pipeline is arranged above the feeding port and connected to a material storage barrel, and the material storage barrel and the conveying wheels are both connected to a control box to control operation of equipment. Bean product raw materials are placed in the storage barrel, enter the feeding port in the equipment through the conveying pipeline and fall onto the conveying belt, the bean product raw materials are heated, extruded and the like on the equipment, so that bean curd skins are prepared, and the bean curd skin making efficiency is improved. The manual labor intensity of beancurd skin producers is relieved, industrial production is achieved, the processing cost is low, operation of professionals is not needed, and operation is easy and convenient.

The utility model relates to the technical field of bean product processing, in particular to a bean product curdling barrel which comprises a curdling barrel base body, a supporting seat and a stirring device, the curdling barrel base body is installed on the supporting seat, and the stirring device comprises a stirring shaft, a stirring paddle, a stirring motor, a rotating assembly, a connecting sliding block, an installation guide rail, a connecting block and a lifting driving assembly. The stirring shaft is fixedly connected with the rotating output end of the stirring motor, the stirring paddle is fixedly connected with the stirring shaft, the stirring motor is rotationally connected with the connecting sliding block through the rotating assembly, the rotating assembly is connected with the stirring motor and drives the stirring motor to rotate, and the connecting sliding block is slidably connected with the mounting guide rail through the lifting driving assembly. The mounting guide rail is fixedly connected with the connecting block, the connecting block is fixedly connected with the supporting seat, the lifting driving assembly is connected with the connecting sliding block and drives the connecting sliding block to move, and the effects of replacing manual curdling, reducing the manual labor amount and accelerating the bean product processing efficiency are achieved.

The invention discloses an automatic bean product production and processing device, and relates to the field of bean product processing equipment.The automatic bean product production and processing device comprises a soybean milk storage unit, the soybean milk storage unit comprises a soybean milk and flour pot and a supporting unit arranged on one side of the soybean milk and flour pot, the supporting unit comprises a bottom rod fixedly installed on the ground, and the automatic bean product production and processing device further comprises a wrapper rolling unit arranged on one side of the bottom rod; the wrapper rolling unit comprises a supporting plate arranged on one side of the top of the bottom rod, a translation driving part is fixedly installed at the bottom of the supporting plate, a translation frame is fixedly installed at the output end of the translation driving part, a meshing driving unit is installed at the bottom of the translation frame, the meshing driving unit drives a rotating unit to rotate, and the rotating unit drives a wrapper rolling rod to rotate; according to the automatic production and processing device for the bean products, the translation driving part drives the translation frame to move longitudinally, the immersion depth of the skin rolling rod in the slurry is adjusted, full contact between the skin of beancurd and the surface of the slurry during initial winding is ensured, and breakage of the skin of beancurd due to too deep immersion or loosening of a rolling layer due to too shallow immersion is avoided.

The invention discloses a residue and milk separation device for bean product pressing processing, and particularly relates to the field of bean product pressing processing, the residue and milk separation device comprises a separation box, a feed inlet is vertically inserted in one side of the top of the separation box, a guide hopper is vertically inserted in the feed inlet, and a conical screen cylinder with the diameter gradually reduced is obliquely arranged in the middle of the separation box; a driving shaft is arranged in the center of the interior of the conical screen barrel, a spiral auger matched with the inner wall of the conical screen barrel is fixedly arranged on the outer side of the driving shaft, and fine holes are evenly formed in the outer wall of the spiral auger; according to the invention, slag and milk are put into the separation box and enter the conical screen cylinder through the guide hopper to realize slag and milk separation, the motor I drives the spiral auger, and the slag is extruded by virtue of the gradual change characteristic of the diameter of the screen cylinder, so that the waste of soybean milk is reduced, the residue drying is assisted, and the bean dregs and the soybean milk are respectively recycled; bean dregs and water are synchronously recycled, and equipment operation is guaranteed through comprehensive cleaning.

This invention belongs to the field of food fermentation technology, and specifically relates to a compound probiotic agent and its application in the preparation of fermented soy milk. This invention provides a compound probiotic agent composed of *Lactobacillus fermentum* NCPS LF01, *Pediococcus pentosaceus* NCPS PPE01, and *Lactobacillus acidophilus* NCPS LA01 in a volume ratio of 1-2:1:1, and applies this compound probiotic agent to the preparation of soy products, especially fermented soy milk. The beneficial effects of this invention are that fermented soy milk prepared using this compound probiotic agent has a rich flavor, and the total flavonoid and total phenolic content, as well as the in vitro DPPH free radical scavenging rate, are significantly superior to those of ordinary commercially available strains or other strains. In summary, this compound probiotic agent can effectively improve the retention level of active ingredients and antioxidant capacity of fermented soy milk, and has outstanding application value.

The invention provides an intelligent soybean soaking method and system based on a soybean size and mass transformation model and a computer, and belongs to the technical field of soybean product processing. The method comprises the following steps: monitoring a soybean soaking process in real time through an image sensor, obtaining an image, and obtaining a soybean size index in the soaking process through an image recognition model; according to soybean food processing requirements on soybean soaking degree (quality), soybean character indexes and soaking condition indexes, obtaining prediction time of soybean soaking ending through a soybean quality prediction model; and obtaining real-time mass increase data of the soaked soybeans through a soybean size and mass transformation model, and ending soaking when the real-time mass increase data meets requirements. According to the invention, the soybean soaking work is intelligentized, so that fine management of soybean soaking is realized, invalid soaking time and operation cost are reduced, stable high-quality soybean products are ensured to be obtained, and digital intelligent production transformation of the soybean product processing industry is promoted.

The utility model relates to the technical field of loading and weighing device discloses a kind of linkage type soy product loading and weighing device, including support, the inside upper portion of support is slidably connected with ration discharging mechanism, the ration discharging mechanism includes sliding plate, the bottom fixed connection of sliding plate has storage material cylinder, the bottom side outside of storage material cylinder is rotatably connected with round cover, the bottom fixed connection of support has L type fixed plate, the top fixed connection of support has power assembly providing thrust force.The utility model in, by electric push rod can promote sliding plate sliding, sliding plate and L type fixed plate cooperation can control the opening and closing of round cover, soy milk powder in storage material cylinder can be entered into weighing hopper, to realize quantitatively soy milk powder pouring into weighing hopper weighing, prevent the excessive soy milk powder of disposable pouring, result in weighing result is not accurate, improve the practicability of device.

The utility model relates to the technical field of bean product screening and soaking, and discloses a screening and soaking device for bean product processing, which comprises a container, the top of the container is fixedly connected with a fixed disc, the top of the fixed disc is fixedly connected with an electric push rod, and the driving end of the electric push rod is fixedly connected with a rack. A first gear is slidably connected to the top of the fixing disc, the exterior of the first gear is in meshed connection with the exterior of the rack, a plurality of triangular blocks are fixedly connected to the top of the first gear, a sliding plate is fixedly connected to the top of the containing box, and a baffle is fixedly connected to the bottom of the sliding plate. A plurality of supporting columns are slidably connected into the baffle, and rolling wheels are rotatably connected to the bottoms of the multiple supporting columns. According to the vibrating screen, the screen holes can be effectively prevented from being blocked through vibration, raw materials can flow from the feeding port to the discharging port along the screen through vibration, and the speed of the whole screening process is increased.

The utility model relates to the technical field of bean product processing, and discloses a continuous and automatic bean curd skin marinating mechanism which comprises a mechanism main body, a stirring rod is connected to the outer side of a driving motor, a limiting shaft sleeve block is sleeved on the surface of the stirring rod, the bottom end of the limiting shaft sleeve block is fixed on the surface of a processing vessel, and stirring blades are connected to the surface of the stirring rod. The mechanism body comprises a marinating component, the marinating component comprises a connecting support, the connecting support is mounted on the outer side of the processing vessel, a marinating device is connected to the outer side of a mounting frame, and a marinating nozzle is connected to the lower portion of the marinating device. According to the utility model, when the stirring paddle is used for stirring, brine in the brine device is sprayed out through the brine spray head, the sprayed brine passes through the feed opening and enters the processing vessel, then the brine is mixed with soybean milk, and the brine and the soybean milk are fully mixed through continuous stirring of the stirring paddle, so that the soybean milk processing quality is improved.

The invention relates to a bean product preservative, a preparation method thereof, a bean product preservation method and application, and belongs to the technical field of food preservation. The invention provides a bean product preservative. The bean product preservative is prepared from the following components: astaxanthin, epsilon-polylysine, orange peel essential oil, antibacterial peptide Plectasin, theanine and water. The bean product preservative disclosed by the invention has a good antibacterial effect, can inhibit the growth and reproduction of amine-producing microorganisms, and slows down the spoilage and deterioration of bean products such as bean curds, sour slurry bean curds and dried bean curds in a storage period, so that the shelf life of the bean products is prolonged, and the preservative has an obvious protection effect on the texture characteristics of the bean products; the method has the advantages of low production cost and high food safety.

The invention relates to the technical field of health care products, and provides a glycopeptide composition and related products and application thereof, and the glycopeptide composition comprises the following raw materials: wheat germs, herba epimedii, fermented bean products, flaxseeds and radix bupleuri. The glycoside peptide composition formed by combining the raw materials has a synergistic effect in the aspect of cardiovascular system protection. All the components interact with one another to jointly achieve the effects of reducing serum total cholesterol and triglyceride, improving high-density lipoprotein cholesterol, resisting oxidation, improving vascular functions and the like, and the composition has a remarkable protection effect on a cardiovascular system. Besides, the activity is enriched into the five raw materials to the maximum extent, so that the method has remarkable advantages in the aspects of production process and raw material cost reduction, and is beneficial to improving the production efficiency, ensuring the product quality and reducing the operation cost.

The utility model discloses a vibrating screen for producing dried beancurd sticks, and relates to the technical field of dried beancurd stick production. The screening device comprises a fixed mounting rack and a screening box fixedly mounted at the upper end of the fixed mounting rack, a rubber non-slip mat is arranged on the upper surface of the fixed mounting rack, a first collecting frame is arranged above the rubber non-slip mat, and a mounting supporting frame is fixedly mounted at the right end of the fixed mounting rack; a second collecting frame and a third collecting frame are arranged on the left side of the mounting supporting frame from top to bottom. Two screening frames are arranged in the screening box, and a first filter screen and a second filter screen are arranged on the inner side of each screening frame from top to bottom. The technical problems that in the screening process of beans, unified collection is achieved, the beans cannot be classified according to the conditions and sizes of the beans, the beans are concentrated together, the quality difference of bean products in the production process is likely to be caused, meanwhile, reciprocating continuous vibration is not achieved, mechanical vibration is likely to cause damage, and the working efficiency is poor are solved.

The invention provides a bean product freshness-locking manufacturing process using liquid nitrogen. The bean product freshness-locking manufacturing process comprises the following steps: (1) pretreatment; (2) liquid nitrogen rapid cooling; (3) temperature balancing; and (4) packaging and refrigerating. The bean products are treated through the composite fresh-keeping liquid in the pretreatment stage, surface microorganisms of the bean products can be effectively inhibited, a foundation is laid for follow-up steps, in the follow-up treatment process, the bean products are quickly frozen through liquid nitrogen, the bean products can be quickly cooled, and glassy ice layers are formed on the surfaces of the bean products, so that the bean products are quickly preserved. Oxygen is physically isolated, moisture is locked, and meanwhile, the cooling rate is accurately controlled, so that tiny and uniformly distributed ice crystals and fixed microstructures are formed in the bean product, and a protein network structure in the bean product is not damaged, so that the problems of juice loss and texture collapse after unfreezing are solved; finally, a stable and low-oxygen storage environment is provided, long-acting preservation of bean products can be achieved, and the quality can be kept.