43 results about "GRAPEFRUIT PEEL" patented technology

The invention discloses a bionic shaddock peel vibration reduction and energy absorption structure and a preparation method thereof, and relates to the technical field of aircrafts, a gradient chiral shaddock structure GCCS comprises a contact layer, a transition layer and a supporting layer, each layer comprises three bionic chiral shaddock structures, the three structures comprise a bionic chiral grapefruit structure-L type, a bionic chiral grapefruit structure-Q type and a bionic chiral grapefruit structure-D type. Three bionic shaddock peel dot matrix structures with porous characteristics and chiral spiral characteristics are created on the basis of a shaddock peel surface microstructure and chiral spiral characteristics existing at tendrils of natural climbing plants; the three bionic chiral grapefruit structures are combined into the gradient grapefruit chiral structure with negative honeycomb gradient change by reference to a macroscopic gradient strategy, and compared with a traditional lattice structure, the gradient grapefruit chiral structure is more excellent in mechanical bearing performance and vibration reduction performance.

The invention provides a compound feed additive capable of improving the flavor of eggs, a preparation technology and a compound feed, and relates to the technical field of feed preparation.Main components in shaddock peel are analyzed, the main components influencing the flavor of the eggs are screened out, and chemical components and shaddock peel powder are adopted to prepare the compound feed additive. The grapefruit flavor extract (active ingredients such as limonene, polyphenols and the like) prepared on the basis of the grapefruit peel powder. The preparation method comprises the following steps: compounding the raw materials in parts by weight: 20-40 parts of linalool, 5-10 parts of linalyl acetate, 2-4 parts of limonene, 1-2 parts of vanillyl alcohol, 0.7-1.4 parts of geranyl acetate, 5-10 parts of myrcene, 80 parts of pomelo peel powder, 150 parts of a carrier and 70 parts of a pomelo flavor extract; the total addition amount of the shaddock peel powder in the basal feed is reduced from 2% to 0.1%, a good flavor improvement effect can be maintained, and dependence on shaddock peel raw materials is greatly reduced.

The invention provides a real-time nondestructive testing method for sugar and acidity of grapefruit based on near-infrared transmission, relates to the technical field of detection of internal quality of fruits, and solves the problem that the detection accuracy is influenced by fluctuation of grapefruit thickness when sugar and acidity detection is carried out on grapefruit fruits in a near-infrared transmission mode. According to the technical scheme, the method comprises the following steps: constructing sample sets corresponding to different fruit maximum transverse diameter subintervals; determining a preferable characteristic wavelength group; determining the maximum transverse diameter reference size of the fruit; determining an absorbance correction coefficient optimization value for sugar degree optimization prediction or acidity optimization prediction; and giving the sugar degree and acidity of the grapefruit commercial fruit through the grapefruit fruit sugar degree or acidity optimization prediction model. The method has the beneficial effects that different fruit maximum transverse diameter subintervals are used for dividing the thickness of the shaddock peel, and the transmitted spectrum is corrected by combining the absorbance correction coefficient optimization value on the basis of the fruit maximum transverse diameter reference size, so that the sugar and acidity detection precision during the separation of the thick-peel shaddock is improved.

The invention discloses a shape-stabilized phase change thermal management material, a preparation method thereof and application of the shape-stabilized phase change thermal management material as a thermal management material in a high-power electronic component, and belongs to the field of functional composites.The shape-stabilized phase change thermal management material is prepared by the steps that firstly, fresh pomelo peel is subjected to alkalization and hydrothermal pretreatment, and then ZIF-67 grows on the pretreated pomelo peel in situ; then, the obtained Pre-PP ZIF-67 is subjected to high-temperature calcination to prepare a high-graphitization heterogeneous carbon material, and finally, a phase change material is packaged in a pore channel of the high-graphitization heterogeneous carbon material by adopting a physical infiltration method to prepare the high-performance shaped phase change thermal management material. The prepared phase change heat management material has the advantages of excellent heat conductivity and heat storage performance, good adaptability and operability, lasting stability and reliability, wide application range, reusability and the like, and a new thought is provided for research and development of the high-performance phase change heat management material.

The invention relates to the technical field of food packaging materials, in particular to a preparation method and application of an antibacterial polylactic acid film. The preparation method of the antibacterial polylactic acid film comprises the following steps: step 1, putting montmorillonite into a methanol solution, ultrasonically dispersing uniformly, then adding a silane coupling agent, adjusting the pH value of a system to be acidic, performing first-stage heating, and then performing second-stage heating, centrifugal washing and vacuum drying to obtain modified montmorillonite; step 2, mixing the modified montmorillonite with shaddock peel essential oil for adsorption to obtain an antibacterial material; 3, the polylactic acid particles, N-methyl pyrrolidone and an antibacterial material are put into a double-screw extruder to be extruded and granulated, then the granules are put into a single-screw blow molding machine to be subjected to blow molding, and the antibacterial polylactic acid film is obtained. The problems that in the prior art, essential oil is fast in volatilization and uneven in dispersion, and the performance of the film is degraded due to addition of the essential oil are effectively solved.

The invention discloses a method for producing an antibacterial preservative film by using waste polylactic acid and waste pomelo peel as raw materials. The method comprises the following steps: 1) extracting grapefruit essential oil from waste grapefruit peel; 2) degrading the waste polylactic acid to obtain a polylactic acid degradation liquid; and 3) mixing the chitosan solution with the polylactic acid degradation liquid, grapefruit essential oil and glycerol, and carrying out film casting and drying to obtain the preservative film. The waste pomelo peel and the waste polylactic acid are combined, so that resource recycling of agricultural waste and industrial plastic waste is realized, and environmental pollution and white pollution are effectively reduced; meanwhile, by introducing the chitosan and the grapefruit essential oil, the preservative film is endowed with excellent biocompatibility and remarkable antibacterial performance, by introducing the grapefruit essential oil, the antibacterial performance of the film material is enhanced, the preservation period of food is prolonged, meanwhile, the safety and functionality of the packaging material are improved, and the environment benefits and application prospects are remarkable.

This invention discloses a modified grapefruit peel-based carbon aerogel, its preparation method, and its applications, belonging to the field of adsorbent preparation technology. The preparation method involves placing the grapefruit peel-based carbon aerogel in a potassium hydroxide solution and stirring at 75–85°C for 2.5–3.5 hours. After stirring, the mixture is filtered and dried, then calcined at 850–950°C for 1–1.5 hours in a nitrogen atmosphere. This invention solves the problems of low adsorption capacity and poor selectivity in current adsorbent materials. The modified grapefruit peel-based carbon aerogel electrode exhibits preferential selectivity for nitrates and phosphates. The invention utilizes capacitive deionization technology, resulting in low energy consumption and cost savings. The electroadsorption system electrode uses grapefruit peel as a raw material, which is widely available, convenient, and inexpensive. The resulting biomass-based carbon aerogel has the advantages of being renewable, biodegradable, and rich in carbon sources. It also enables the recycling of waste grapefruit peels, making it an environmentally friendly renewable material.

The invention belongs to the technical field of natural perfume extraction and essence preparation, and particularly relates to an essence preparation method by coupling low-temperature enzyme fermentation with supercritical CO2 extraction. According to the method, rose petals, perilla leaves and shaddock peels are used as raw materials, aroma precursor substances are released through synergistic low-temperature enzymolysis of multiple enzymes such as pectinase and cellulase, then non-saccharomyces cerevisiae and esterifying bacteria are introduced for step-by-step anaerobic fermentation, multi-layer composite aroma components are generated, then freeze drying and three-stage gradient supercritical CO2 extraction are performed, and the multi-layer composite aroma components are obtained. Aroma components with different polarities are enriched in a grading manner; and finally, mixing and stabilizing treatment are performed to obtain an essence finished product. The method constructs a complete process flow from precursor release to structure construction to component extraction, and is suitable for the fields of tobacco flavors, food flavors and the like.

The invention discloses a lactobacillus inoculant preparation method, which comprises: adding a freeze-drying protective agent to a lactobacillus fermentation broth, and stirring to obtain a uniformly mixed slurry, the freeze-drying protective agent comprising 8-10 parts by weight of pomelo peel powder and 0-2 parts by weight of skimmed milk powder; and freeze-drying the uniformly mixed slurry to obtain the lactobacillus inoculant. The freeze-drying protective agent disclosed by the invention is strong in water absorption, and can omit a centrifugal process when being applied to a process of preparing a lactobacillus fungicide, so that the inactivation of lactobacillus cells caused by centrifugal operation is reduced, and the freeze-drying survival rate reaches 85% or above.

The invention discloses a preparation method and application of a nano calcium peroxide modified high-adsorbability biomass charcoal phosphorus removal agent. Compared with a plurality of biomass raw materials, shaddock peel is preferably selected as a precursor; then, preparing shaddock peel biomass charcoal from the optimized shaddock peel; and finally, carrying out reaction on calcium chloride, ammonia water and hydrogen peroxide to generate nano calcium peroxide in situ, introducing polyethylene glycol as a dispersing agent, compounding the nano calcium peroxide with the pomelo peel biomass charcoal, stirring, centrifuging, washing and drying to obtain a final product. Compared with similar materials prepared from other biomass raw materials (such as ginkgo leaves and corncobs), the biomass charcoal phosphorus removal agent prepared by taking shaddock peel as a precursor and combining the modification effect of nano calcium peroxide has the advantages that the adsorption capacity of phosphorus in a water body is remarkably improved, and the biomass charcoal phosphorus removal agent has higher adsorption rate and good pH applicability. The material can be used for deep purification of low-concentration phosphorus polluted water bodies such as town sewage and agricultural drainage, and has the application prospects of treating waste with waste and being efficient and energy-saving.

This utility model relates to the field of fuel cell technology, and in particular to a buffer device for a solid oxide fuel cell stack with overheat protection and combined heat and power functions. A biomimetic grapefruit peel structure protective shell is provided between the solid oxide fuel cell stack and several helical spring components. Several symmetrically arranged metal liquid cooling pipes are located on the biomimetic grapefruit peel structure protective shell along the fuel flow direction. A temperature sensor connected to the liquid cooling system is installed inside the biomimetic grapefruit peel structure protective shell to collect the internal temperature signal of the solid oxide fuel cell stack and control the start / stop and flow rate of the cooling water in the metal liquid cooling pipes. The outermost layer of the biomimetic grapefruit peel structure protective shell is resistant to mechanical vibration and has good thermal insulation, providing a good buffering effect while reducing heat loss from the stack. Smaller pores are provided in the middle layer, and larger pores are provided in the inner layer, improving the system's buffering efficiency through the porous structure. The metal liquid cooling pipes are located within the middle layer of the protective shell, achieving efficient heat conduction.

This invention relates to the field of food processing equipment, and more particularly to a high-temperature debittering equipment for grapefruit peel food processing. The equipment includes a main body with covers fixedly connected to both the left and right sides of the top surface, and water storage tanks fixedly connected to both the front and rear sides of the top surface. A soaking tank is fixedly connected between the left and right covers and the front and rear water storage tanks. An intermittent water injection component is installed inside the left cover, and a waste liquid extraction component is installed inside the right cover. The soaking tank contains a squeezing dehydration component and a bubbling aeration component. The intermittent water injection component is connected to both the water storage tank and the soaking tank. This equipment achieves automated cyclic control of the high-temperature debittering process of grapefruit peel through the coordinated operation of its components. A first hydraulic cylinder drives a squeezing baffle to periodically squeeze the grapefruit peel, forcibly expelling the high-concentration bitter liquid remaining in its internal pores, effectively avoiding the problem of incomplete debittering caused by saturated backflow of bitter substances, and significantly improving the debittering efficiency and uniformity.

The application discloses a preparation method of an adsorbing material for sulfuric acid decolorization, the material and application, and relates to the following steps: firstly, putting a pomelo peel into a pulverizer to obtain pomelo peel powder, and then mixing the pomelo peel powder with a sodium hydroxide solution to obtain pomelo peel cellulose; then, mixing the pomelo peel cellulose with bentonite at a mass ratio of 1:0.8-1.2, adding a crosslinking agent, stirring, and then performing ultrasonic dispersion in an ultrasonic cleaner to obtain a gelatinous substance; finally, cutting the gelatinous substance into particles, and drying the particles to obtain a pomelo peel bentonite-based adsorbing material. The adsorbing material obtained by the method has good adsorbing performance, high sulfuric acid decolorization capacity, and large particle size, and is easy to recover.

The invention discloses osmanthus fragrans aromatherapy with soothing, nerve soothing and sleep aiding effects and a preparation method of the osmanthus fragrans aromatherapy, and relates to the technical field of preparation of aromatherapy daily necessities. The osmanthus fragrans fragrance is prepared from the following components in parts by weight: 20 to 30 parts of osmanthus fragrans flower extract, 15 to 25 parts of angelica sinensis extract, 4 to 7 parts of hovenia dulcis thunb fruit extract, 3 to 12 parts of plant essential oil, 0.5 to 1 part of linalyl acetate, 1 to 3 parts of tween-80 and 500 to 800 parts of water, wherein the plant essential oil is prepared by mixing and extracting grapefruit peel, lily, jasmine flower, chamomile, lemon grass and lavender. The osmanthus fragrans fragrance prepared by the invention has good effects of improving insomnia and improving sleep quality, is lasting in fragrance, can inhibit part of microorganisms from breeding in air, and has multiple effects.

The utility model belongs to the technical field of sauce raw material processing, and particularly relates to double-shaddock peel dry sauce raw material processing equipment for sour and hot fished vermicelli. Comprising a base, a first conveying belt is installed on the base, a peeling assembly and a shredding assembly are installed on the base, the peeling assembly comprises a peeling knife and a pressing assembly, the pressing assembly comprises a guiding shaft and an air cylinder which are installed on the base, the air cylinder is provided with a pressing plate, the pressing plate is provided with a linear bearing, and the guiding shaft is sleeved with the linear bearing; the peeling knife is installed on the base, the shredding assembly comprises a guide plate, a driving assembly, a second conveying belt and a thread rolling knife, the guide plate is fixedly installed on the base, the second conveying belt is installed on the base, and the driving assembly is fixedly installed on the base and used for driving the first conveying belt and the second conveying belt; the thread rolling cutter is installed on the base and located between the cutter and the second conveying belt, and a collecting groove is further formed in the base. The utility model aims to solve the problem that time and labor are wasted in a manual scraping mode when middle peels of grapefruit peels are removed.

The utility model discloses a grapefruit quick peeling auxiliary device, relates to the technical field of peeling devices, and aims to solve the technical problem that the peeling quality is affected due to inconvenience in transverse opening of the grapefruit at present, the grapefruit quick peeling auxiliary device comprises a shovel piece, an assembling mechanism and a connecting cylinder, the upper end of the outer side of the shovel piece is fixedly provided with a separation knife, and the separation knife is designed in a sawtooth shape; the upper end of the shovel piece is installed on the connecting cylinder in an inserted mode, a handle rod is arranged at the upper end of the connecting cylinder, a connecting rod is arranged at the lower end of the handle rod, the connecting rod is installed on the connecting cylinder in a threaded mode, the assembling mechanism is installed at the lower end of the shovel piece, and a feeding opening is formed in the upper side of an assembling cylinder of the assembling mechanism. The grapefruit peeling machine has the advantages that a transverse grapefruit notch is smooth, a scraper knife can cut in conveniently, and the peel and flesh separation quality is ensured.

The application belongs to the field of food packaging, and particularly relates to a functional composite film based on full-component utilization of pomelo peel and application thereof. The pomelo peel is separated into water-soluble active components (supernatant) and water-insoluble components (precipitate), and polyvinyl alcohol / supernatant films and polyvinyl alcohol / precipitate films are prepared by compounding the water-soluble active components and the water-insoluble components with polyvinyl alcohol, respectively. The polyvinyl alcohol / supernatant film has excellent antioxidant activity and flexibility, and the polyvinyl alcohol / precipitate film has excellent antibacterial property and mechanical strength. The two kinds of films can be used alone or in combination according to the preservation requirements of different foods, so as to achieve targeted preservation effect. The application realizes high-value utilization of the full components of pomelo peel, and the prepared composite film is biodegradable, and has wide application prospect in the field of food packaging.

The application discloses a preparation method of a static self-assembly carbon aerogel phase change material composite system based on pomelo peel, and overcomes the shortcomings of low thermal conductivity and long-period instability of the pomelo peel-based composite phase change material, so as to provide a preparation method of a static self-assembly pomelo peel aerogel skeleton composite phase change material with high thermal conductivity, high enthalpy and long-period stability. Compared with the prior art, the pomelo peel-based aerogel composite phase change material prepared by the application has high thermal conductivity, realizes the thermal conductivity of 1.18Wm ‑1 k ‑1 , the thermal conductivity of the composite phase change material is 3.48 times higher than that of the pure phase change material with the thermal conductivity of 0.25Wm ‑1 k ‑1 , the leakage loss rate of the phase change material is low, the performance is stable after 100 cycles, and the leakage rate is only 0.52%; the proportion of the carbon aerogel is low, and according to the reduction of the proportion of the carbon nanotube, the proportion of the carbon aerogel in the composite phase change material system is 10-20%.

This invention relates to the preparation and application of carbon dot-functionalized lanthanide metal-organic framework materials for the detection of permanganate ions in water: S1, selecting raw materials: europium nitrate, trimesic acid, and grapefruit peel; S2, dissolving trimesic acid in anhydrous ethanol and stirring; S3, adding europium nitrate solution to the solution obtained in S2 and stirring; S4, allowing to stand, centrifuging to collect the white precipitate, washing and drying to obtain a white lanthanide metal-organic framework material; S5, drying and crushing grapefruit peel, adding deionized water, and transferring to a high-pressure reactor for reaction; S6, centrifuging the solution obtained in S5, taking the supernatant and filtering it through a microporous membrane; S7, dialysis purification of the solution obtained in S6 to obtain a pale yellow carbon dot solution; S8, mixing the carbon dot solution obtained in S7 with the lanthanide metal-organic framework material in S4 to obtain a carbon dot-functionalized lanthanide metal-organic framework material; S9, using the material obtained in S8 for the detection of permanganate ions in water.

The present invention provides a fermentation method Yuring pomelo healthy preserved fruit and a preparation method thereof, and relates to the technical field of food processing, and the preparation method comprises the following six steps: pretreatment of raw materials, fermentation treatment, preparation of a mixed impregnation liquid, vacuum impregnation, drying and packaging. The preparation method comprises the following steps: cutting white flesh of the jade ring pomelo into strips, inoculating and fermenting to remove bitterness, enhance aroma and improve texture, then putting a fermented blank into a sugar-acid mixed impregnation liquid, performing vacuum impregnation to promote flavor permeation, and finally drying and packaging to obtain a finished product. The method effectively solves the problems of serious nutrition loss, difficult texture control, poor flavor, high energy consumption and the like caused by long-time water boiling or boiling in traditional shaddock peel processing, promotes deep penetration of sugar liquid and flavor substances while reducing bitterness, keeps more nutritional ingredients, and improves the taste of the shaddock peel. And the formed product has unique quality of being glittering, translucent, soft and glutinous, clear in color and palatable in sourness and sweetness, and the process is efficient, green and suitable for large-scale production.

The invention discloses a pericarp-based carbon dot as well as a preparation method and application thereof, and relates to the technical field of nano biomedical imaging. The preparation method of the pericarp-based carbon dots comprises the following steps: mixing a carbon source and deionized water to obtain a reaction solution; performing hydrothermal reaction on the reaction liquid, and performing filtration, dialysis and freeze-drying treatment to obtain the peel-based carbon dots; the carbon source comprises at least one of shaddock peel powder and orange peel powder, the reaction temperature of the hydrothermal reaction is 160-260 DEG C, and the reaction time is 6-30 hours. According to the preparation method, food-grade fruit waste pomelo peel or orange peel is taken as a carbon source precursor, green synthesis and surface functionalization of the carbon dots are synchronously realized through a one-step hydrothermal method by regulating and controlling the temperature and time of a hydrothermal reaction, and the pericarp-based carbon dots with excellent fluorescence performance, good biocompatibility, high quantum yield and low cytotoxicity are obtained.

The utility model discloses a grapefruit peeling device, relates to the field of grapefruit processing, and aims to solve the problem that the use value of the grapefruit peel is affected due to the fact that the grapefruit peel is incomplete when the grapefruit peel is separated by an existing peeling device. The technical scheme is that the grapefruit peeling device comprises a base and a fixing frame fixedly connected to the base, a first motor is fixedly connected to the base, and a second motor is fixedly connected to the fixing frame; a placing seat is fixedly connected to an output shaft of the motor I, the placing seat is rotationally connected with the base, a limiting nail is fixedly connected to the placing seat, a limiting mechanism used for limiting the grapefruit is arranged on the fixing frame, and a peeling mechanism used for separating the grapefruit peel is arranged on the fixing frame. According to the grapefruit peeling device, during grapefruit peeling, peeling can be completed under the condition that pulp is not damaged through cooperation of the limiting mechanism and the peeling mechanism, only grapefruit peel is divided into two parts when peeling is completed, and the use value of the grapefruit peel is improved.

The application relates to the technical field of rice planting, in particular to a salt-alkali soil rice quality-improving and yield-increasing planting method, which comprises the following steps: S1, soil treatment; and S2, soil conditioner preparation, wherein the raw materials of the soil conditioner comprise river sand, clay, water, a mixed solution and calcium sulfate, and the raw materials of the mixed solution comprise pomelo peels, glomus mosseae, arbuscular mycorrhizal fungi and bacillus licheniformis. In the application, the formula of the soil conditioner is optimized, the addition of the river sand and the clay can increase the porosity of the soil, improve the water drainage and air permeability of the soil, prevent the soil from being hardened, calcium ions in the calcium sulfate can promote the formation of the soil granular structure, further improve the loose structure of the soil, the pomelo peel fermentation liquor in the mixed solution can provide rich organic matters for the soil, improve the soil fertilizer retention capacity, and the yield performance of the salt-alkali soil rice planting is effectively improved.

This invention discloses a biomimetic grapefruit peel vibration damping and energy absorption structure and its preparation method, relating to the field of aircraft technology. The gradient chiral grapefruit structure GCCS includes a contact layer, a transition layer, and a support layer. Each layer includes three biomimetic chiral grapefruit structures: one L-shaped, one Q-shaped, and one D-shaped. Based on the microstructure of the grapefruit peel surface and the chiral helical features present in the tendrils of climbing plants in nature, this invention creates three biomimetic grapefruit peel lattice structures with porous and chiral helical features. By adopting a macroscopic gradient strategy, the three biomimetic chiral grapefruit structures are combined into a gradient grapefruit chiral structure with a negative honeycomb gradient change. Compared with traditional lattice structures, this structure exhibits superior mechanical load-bearing performance and excellent vibration damping performance.

The present application provides a kind of composite yeast extract, which is prepared by enzymatic reaction, and the raw materials include yeast, ginger, chrysanthemum, grapefruit peel, the yeast is selected from baker's yeast and / or beer yeast, and the enzyme used is a composite enzyme, preferably including papain, nuclease, cellulase, beta-glucanase, which can be used for livestock feed additives, and has the effects of anti-radiation, improving mating willingness and survival rate of young.

The invention discloses an efficient rotary water bath distillation device for grapefruit essential oil in the technical field of water bath distillation, which comprises a rotary evaporator and a connecting assembly and an evaporating flask on the rotary evaporator, the connecting assembly is used for hermetically connecting the rotary evaporator and the evaporating flask, the device further comprises a shaft barrel, one end of the shaft barrel is fixedly connected with the connecting assembly, and the other end of the shaft barrel is fixedly connected with the evaporating flask. At least one stirring rod is rotationally arranged at the other end of the shaft barrel, a transmission mechanism is arranged in the shaft barrel, the transmission mechanism is in transmission connection with the stirring rods, and the transmission mechanism is used for driving the stirring rods to rotate; the stirring rod can generate transverse thrust and shearing force on the pomelo peel moving circularly. On one hand, the clustering trend of the pomelo peel caused by isotactic movement can be broken, and the caked pomelo peel is scattered; on the other hand, the pomelo peel can be pushed to form irregular turbulent flow in the water body, the contact area between the pomelo peel and the water body is increased, and meanwhile the probability that the pomelo peel is attached to the inner wall of the evaporation bottle is reduced.

The application belongs to the technical field of natural perfume extraction and essence preparation, and particularly relates to a method for preparing essence by low-temperature enzyme fermentation coupled with supercritical CO2 extraction. The method takes rose petals, perilla leaves and grapefruit peels as raw materials, releases aroma precursor substances through the synergistic low-temperature enzymolysis of pectinase, cellulase and other enzymes, introduces non-brewing yeast and esterification bacteria for step-by-step anaerobic fermentation to generate multi-level composite aroma components, and then performs freeze-drying and three-stage gradient supercritical CO2 extraction to fractionally enrich different polar aroma components, and finally mixes and stabilizes the components to obtain essence products. The method constructs a complete process flow from precursor release to structure construction and then to component extraction, and is suitable for the fields of tobacco essence, food essence and the like.

This invention relates to the field of wastewater treatment technology, and in particular to a wastewater treatment agent, comprising the following components by weight percentage: 28%-30% magnetic grapefruit peel biochar; 20% visible light-responsive catalyst; 15% mussel-inspired flocculant; 20%-25% bioactive module; 10%-12% intelligent slow-release carrier; and synergistic additives, wherein the synergistic additives include 0.5%-2% methyl salicylate and 1%-3% humic acid-modified carbon quantum dots. The wastewater treatment agent of this invention achieves highly efficient COD removal, heavy metal adsorption, and microbial protection functions through the synergistic effect of multiple components. It exhibits excellent regeneration performance and is suitable for various water quality conditions (including high-salinity environments).

The present application relates to a kind of method for prolonging green gourd drink shelf life by red grapefruit powder, the present application will red grapefruit powder and green gourd drink collocation, both have synergistic effect is very good digestion, clearing heat and eliminating toxicity, improve appetite and nutritional supplement drink.It is second, if can successfully apply grapefruit peel to beverage, will greatly reduce grapefruit peel waste, play the role of environmental protection, and the preparation process of natural high purity red grapefruit antioxidant is simple and economic, very suitable for the simple improvement of product and process of food enterprise.In addition, this drink has specific functional characteristics, meets the "big health" direction of "food and medicine homology".Finally, the present application proves that temperature and particle size are influenced by the rule of red grapefruit antioxidant, provides basis for the production of other natural antioxidants, has very high practical value.

This invention belongs to the field of fruit deep processing technology, specifically relating to a pomelo peeling machine and peeling method. It includes a chain conveyor belt 1, a chain conveyor belt 2, and a stepper motor 1. The chain conveyor belts 1 and 2 are fixed to the top front and rear sides of a device support frame. Multiple equidistant support plates 1 are fixedly connected to the chain conveyor belt 1, and multiple equidistant support plates 2 are fixedly connected to the chain conveyor belt 2. The number of support plates 1 and 2 are the same and their positions correspond. The chain conveyor belts 1 and 2 are synchronously driven by the stepper motor 1. A mounting frame 1 and a mounting frame 2 are fixedly connected to the middle of both sides of the chain conveyor belts 1 and 2. A pulp conveying trough is fixedly connected to the right end of the device support frame. A peel separation guide rail is provided between the pulp conveying trough and the pomelo end-face cutter. This invention enables rapid, step-by-step peeling of pomelos of various sizes and shapes, with a high degree of automation and labor saving.