356 results about "Nutrient loss" patented technology

The invention belongs to the technical field of soil improvement, and discloses a preparation method of a manganese slag-coconut shell charcoal-desulfurized gypsum composite soil improvement agent, the soil improvement agent and application. The preparation method of the soil conditioner comprises the working procedures of manganese residue pretreatment, coconut shell pretreatment, precursor preparation, precursor calcination and conditioner compounding, the pretreated coconut shell and the pretreated manganese residue are mixed and then subjected to ball milling, and a manganese residue-coconut shell precursor is obtained; calcining the prepared manganese residue-coconut shell precursor for 1-4 hours at the temperature of 450-650 DEG C in a protective gas atmosphere to obtain manganese residue-coconut shell biochar; and doping desulfurized gypsum powder into the prepared manganese slag-coconut shell charcoal, and uniformly dispersing to obtain the manganese slag-coconut shell charcoal-desulfurized gypsum composite soil conditioner. The method disclosed by the invention has the advantages of low energy consumption, low cost and capability of treating waste with waste, and the prepared soil conditioner has the advantages of improving soil nutrient balance, reducing nutrient loss and stabilizing pH, and is suitable for modifying the acid soil of the rubber plantation in the tropical region.

The invention provides a fertilizer synergist for reducing nutrient loss and inhibiting nitrification and application of the fertilizer synergist. The fertilizer synergist is prepared from the following components in percentage by mass: 95 to 98 percent of carboxyl cross-linked modified montmorillonite, 0.05 to 0.1 percent of mannan oligosaccharide, 0.1 to 0.5 percent of mannan, 1 to 3 percent of polyaspartate and 0.5 to 2 percent of a nitrification inhibiting aid. According to the fertilizer synergist capable of reducing nutrient loss and inhibiting nitrification and the application of the fertilizer synergist, the fertilizer synergist serves as a plant nutrient loss control synergist and a nitrification inhibitor and can activate a crop stress resistance signal source, promote and induce synthesis of endogenous auxin in plants, root and growth, activate phosphorus and dissolve potassium, reduce nitrogen loss and improve the yield of the plants. The fertilizer utilization rate is improved.

The invention provides a whole-course green rapid improvement method for a severe soda saline-alkali paddy field, and belongs to the technical field of soil improvement. The method is suitable for paddy field improvement of severe soda saline-alkali soil with 0-20 cm surface soil layer alkalization degree of more than 20%, and is characterized in that the whole process is green and rapid. The rapid improvement method for the soda saline-alkali soil paddy field is different from a traditional pure solid improvement mode, a solid-liquid combined whole-growth-period comprehensive improvement technology is adopted, and the production technical problems that solid improvement is low in uniformity and poor in pertinence are solved. The pH value of soda saline-alkali paddy field soil and water is rapidly reduced, salt in the soil is rapidly dissolved, the effect of rapid salt and alkali removal is achieved through field steeping and salt leaching measures, and meanwhile nutrient loss in the salt and alkali removal process is reduced.

The invention discloses a composite conditioner for acid soil of slope cropland and application of the composite conditioner. The conditioner comprises the following components in percentage by mass: 12%-18% of calcium peroxide, 18%-32% of a buffer mineral compound, 1.5%-3.0% of an anti-scouring controlled-release material, 10%-25% of a nutrient carrier and fertilizer, 0.5%-3.0% of a binder and a granulation aid, and the balance of inert filler and water. The preparation process comprises the steps of dry mixing, granulation, drying and coating. The product provided by the invention can realize high residue of CaO and stable pH under the condition of heavy rainfall of slope cropland, effectively inhibit the pH fall of acid soil, reduce aluminum toxicity and reduce nutrient loss. By controlling the content and proportion of the calcium peroxide, the buffer mineral compound and the anti-scouring controlled-release material, the calcium peroxide, the buffer mineral compound and the anti-scouring controlled-release material have a synergistic effect in a slope cropland environment, so that not only is the initial rapid acid inhibition capability ensured, but also the lasting pH stability and high residual rate are realized through buffer and controlled-release technologies.

The invention provides a cooking control method, device and system and a storage medium. The cooking control method comprises the following steps: acquiring image information of a cooking utensil in which a target cooking food material is placed; determining initial nutritional ingredient information of the target cooking food material based on an image recognition result of the image information; in the cooking process, the current operation parameter information of the cooking utensil and the current state parameter information of the target cooking food material are monitored; performing nutrient loss prediction based on the initial nutrient information, the current operation parameter information and the current state parameter information to obtain estimated nutrient information; and adjusting a preset cooking strategy based on the target nutrition information and the estimated nutritional ingredient information to obtain a target cooking strategy. According to the invention, image recognition can be carried out on the target cooking food material, the target cooking food material is automatically monitored and the nutritional ingredients are tracked and predicted, the prediction accuracy is high, and the content of the residual nutritional ingredients after cooking can be increased.

According to the high-temperature-resistant nitrogen-fixing bacteria microcapsule fertilizer and the preparation method thereof, aiming at the problems of thallus inactivation and nutrient loss in a high-temperature environment, a sodium alginate-chitosan double-layer embedding technology is combined with magnetic nanoparticle modification, and a stable double-layer structure is formed by optimizing the ratio of an embedding material, so that the high-temperature-resistant nitrogen-fixing bacteria microcapsule fertilizer is prepared. The survival rate and activity of the nitrogen-fixing bacteria at high temperature are remarkably improved, and meanwhile, the functions of intelligent nutrient release and magnetic recovery are achieved. The fertilizer is prepared from composite microcapsules, amino acid, humic acid and other raw materials according to a specific ratio through magnetic field orientation treatment, multi-stage mixing, atomization granulation and magnetic field screening processes, the particle size is controlled to be 0.5-3.35 mm, and the shelf life is prolonged to 12 months. The method has the technical effects that trehalose-glycerol / sorbitol synergistically forms a glassy protective film to maintain the stability of thalli, gamma-aminobutyric acid activates nitrogenase gene expression, magnetic nanoparticles construct a photosynthetic symbiotic system to optimize rhizosphere oxygen supply, and silanized FeO nanoparticles fix heavy metal ions through electrostatic adsorption, so that the heavy metal ions in the thalli are effectively adsorbed, and the heavy metal ions in the thalli are effectively adsorbed. And the humic acid buffers the pH fluctuation of the soil, so that the nitrogen fixation efficiency is finally improved by 30-50%, and the crop yield is increased by 15-25%.

The invention relates to the technical field of compound fertilizers, and discloses a compound fertilizer with long-acting slow release and accurate oxygen supply functions and a preparation method thereof, and the compound fertilizer comprises 35-40 parts of an organic waste base material, 20-30 parts of inorganic nutrients, 5-8 parts of a binder, 2-4 parts of medium trace elements, 4-6 parts of humic acid, 2-4 parts of sodium carboxymethyl cellulose, 3-5 parts of chitosan and 3-5 parts of sodium alginate. According to the invention, chitosan and sodium alginate are adopted to form a double-layer coating on the surfaces of fertilizer particles, the outer sodium alginate forms a film with certain permeability, firstly, the film has a barrier effect on fertilizer nutrients and delays the diffusion speed of the nutrients into soil, the inner chitosan further regulates and controls nutrient release, and the chitosan and the sodium alginate have a synergistic effect, so that the slow release of the nutrients is realized. The nutrient release period is greatly prolonged, so that fertilizer nutrients can be continuously and stably supplied to soil, the problem of rapid nutrient loss after one-time fertilization is reduced, and lasting nutrient support is provided for crop growth.

The invention relates to the technical field of mountain peach kernels, in particular to a debitterizing process of mountain peach kernels. The method comprises the steps of raw material pretreatment and crushing, gradient heating extraction debitterizing, double-fluid dynamic separation and purification, countercurrent cleaning, automatic solid-liquid separation and the like. In the debitterizing process of the mountain peach kernels, a double-channel ultrasonic composite extraction unit is used for performing low-temperature three-dimensional crushing, cell walls are broken through a matrix and discrete type ultrasonic-assisted extraction technology, bitter substances are fully exposed, the wall breaking rate of raw materials is increased, and the problem of low debitterizing efficiency caused by insufficient crushing in a traditional process is solved; a gradient heating extraction mode of a functional protein continuous extraction unit is adopted, through sectional temperature control, fatty acid oxidation and bad flavor generation caused by high temperature are prevented, loss of nutritional ingredients is reduced, the edible taste and flavor stability of the wild peach kernels are improved, and the nutrient retention rate and functional activity of the raw materials are also improved; the problem that nutritional ingredients are seriously damaged in a traditional process is solved.

The invention discloses a water-soluble fertilizer containing modified nano double-chelated medium trace elements, and belongs to the technical field of biological agriculture. The fertilizer is composed of sorbitol, glycerin, EDTA iron, EDTA zinc, potassium citrate, calcium citrate, magnesium sulfate heptahydrate, disodium ethylene diamine tetraacetate, an auxiliary agent and the like. The auxiliary agent is prepared from carboxymethyl chitosan, a modified nano auxiliary agent and polyethylene glycol, and the modified nano auxiliary agent is prepared from amylopectin, 8-hydroxyquinolone and isopropyl tri (dioctyl pyrophosphate acyloxy) titanate through a reaction. By adopting a double-chelation technology and a nanotechnology, the stability of trace elements in the fertilizer is remarkably improved, and nutrients are prevented from being lost and fixed in soil. And the absorption efficiency of the plants on elements such as iron, zinc and magnesium is improved by the nano-scale particles and the chelated nutrients. Field tests show that the fertilizer can significantly promote the growth of mung bean sprouts and improve the biomass and the content of medium trace elements in plants.

The invention discloses a bagasse filter mud composting method based on synergistic interaction of sargassum fusiforme and a complex microbial inoculant. The method comprises the following steps: mixing a sugar manufacturing byproduct bagasse and filter mud according to a certain dry weight ratio, and adjusting the moisture and carbon nitrogen ratio; synchronously adding sargassum fusiforme powder and a compound microbial agent, wherein the microbial agent is prepared by compounding bacillus licheniformis and phanerochaete chrysosporium; the high-temperature period is maintained for not less than 7 days, the total fermentation period is about 45 days, and the matured compost and the fertilizer thereof are prepared. The sargassum fusiforme is used as a natural conditioner, so that the composition of nutrient substances can be optimized, nitrogen and water are preserved, and heavy metals are passivated; and the lignocellulose is specifically degraded by the complex microbial inoculants. Through the synergistic effect of the bagasse and the filter mud, the high-temperature period of the compost is remarkably prolonged, the nutrient loss is reduced, the decomposition degree and the environmental safety of a compost product are improved, and an efficient and environment-friendly new way is provided for high-value resource utilization of the bagasse and the filter mud.

The invention discloses a quaternary synergistic water-soluble fertilizer synergist as well as a preparation method and application thereof, and realizes deep coupling of chemical growth promotion, biological activation and physical slow release, multi-component synergistic interaction and efficient nutrient utilization based on a four-dimensional synergistic mechanism of chitosan oligosaccharide-oligopeptide-bioactive alkali-functional microbial agent. Wherein the modified chitosan oligosaccharide enhances the chelating ability through molecular structure optimization, and forms a nano-scale composite system with the oligopeptide, so that the absorption and transfer efficiency of nutrients on leaf surfaces and root systems is remarkably improved. The functional microbial agent and chitosan oligosaccharide cooperate to activate soil enzyme activity and promote release of insoluble phosphorus and potassium, so that the utilization rate of nitrogen, phosphorus and potassium is remarkably increased compared with that of a traditional fertilizer, and nutrient loss is effectively reduced. The quaternary synergistic water-soluble fertilizer synergist provided by the invention is high in compatibility, can be directly compounded with a commercially available water-soluble fertilizer for use, is suitable for diversified planting scenes of facility agriculture, field crops and commercial crops, and has large-scale popularization potential.

The invention relates to the technical field of fertilizers, in particular to a preparation method of a chelated medium element preparation for a synergistic liquid fertilizer. The technical problems that a chelating agent is high in cost, poor in stability and low in bioavailability are solved. The efficient chelating agent is prepared by efficiently extracting or converting a polysaccharide-polyphenol compound and a small peptide mixture with unique chelating performance from specific agricultural or industrial wastes and mixing the polysaccharide-polyphenol compound and the small peptide mixture. Then, a chelating-wrapping dual-stabilization technology is adopted, specifically, a high-efficiency chelating agent and medium element ions are subjected to a chelating effect, and then modified chitosan is added to wrap the chelate, so that nutrient loss is reduced, and nutrient elements are released more evenly. The chelated medium element preparation remarkably improves the stability and effectiveness of nutrient elements through the synergistic effect of double stabilization mechanisms.

The invention belongs to the technical field of fruit freeze-drying processing, and particularly relates to a comprehensive fruit freeze-drying processing method capable of reducing nutrient loss of fruits, which comprises the following steps: S1, immersing sliced fruit slices into a composite color fixative, and simultaneously applying ultrasonic and pulsed electric field treatment on the composite color fixative system containing the fruit slices under the conditions that the ultrasonic power is 200-300W, the pulsed electric field intensity is 15-25kV / cm, and the ultrasonic power is 200-300W and the pulsed electric field intensity is 15-25kV / cm; the co-processing time is 2-4 minutes, so as to obtain the color-protected and strengthened fruit slices; s2, sequentially carrying out three-stage magnetic field freezing treatment on the color-protected and strengthened fruit slices to obtain frozen fruit slices; s3, dynamically adjusting parameters of the frozen fruit slices by adopting an AI algorithm, and performing vacuum freeze-drying in stages to obtain primary freeze-dried fruit slices; s4, placing the primary freeze-dried fruit slices in a vacuum environment to obtain deeply dried fruit slices; and S5, soaking the deeply dried fruit slices in an aqueous solution containing 0.5-1% of amyloid-like protein, 0.2-0.4% of sodium alginate and 0.1-0.3% of cellulose nanocrystals for 1-2 minutes to form a composite protective film with the thickness of 1-3 microns, so as to obtain the coated fruit slices.

The invention belongs to the technical field of soil improvement, and particularly relates to a desert soil conditioner and a preparation method thereof.The desert soil conditioner is prepared from, by weight, 70-80% of a core material and 20-30% of a functional additive, the core material comprises 50-60% of biochar and 20-30% of modified bentonite, and the functional additive comprises 20-30% of modified bentonite; the functional auxiliary agent comprises 10-15% of a slow-release fertilizer, 5-10% of a microbial agent, 3-5% of a water-retaining agent and 2-3% of a soil conditioner. According to the desert soil conditioner and the preparation method thereof, the slow-release fertilizer is arranged, and nitrogen, phosphorus and potassium nutrients are wrapped by a composite material film prepared from 50% of cellulose and 50% of polylactic acid by adopting a coating technology, so that the slow-release fertilizer is not easy to damage in the mixing process, and the film can be degraded by microorganisms in the natural environment; therefore, the effect of slowly releasing nutrients is achieved, the fertilizer utilization rate is improved, and nutrient loss is avoided.

This invention discloses a reconstituted rice made from leafy greens and its preparation method. The method involves mixing brown rice flour pretreated with leafy green filtrate with leafy green residue obtained by treatment with sodium hydroxide and alkaline protease. The mixture is then extruded, molded, and air-dried to obtain high-quality, high-nutrient reconstituted rice made from leafy greens. This method solves the problem of nutrient loss in grain raw materials without adding other additives, while synergistically promoting nutrient absorption, improving raw material utilization and nutrient absorption efficiency, and enhancing the nutritional value of the reconstituted rice.

The invention provides a sweet potato leaf powder processing technology with a high nutrition retention rate, which comprises the following steps: S1, putting sweet potato leaves into a dynamic fixation roller, and mixing nitrogen and carbon dioxide by adopting a nitrogen and carbon dioxide mixing generator to form nitrogen and carbon dioxide mixed gas, the nitrogen and carbon dioxide mixed gas is heated to 95 DEG C through a heat exchanger and sprayed out, the oxygen concentration in the dynamic fixation roller is maintained to be smaller than or equal to 0.5%, and the chlorophyll degradation rate of the sweet potato leaves is monitored through a near-infrared sensor by inhibiting the activity of polyphenol oxidase of the sweet potato leaves; according to the method, a weak acid environment is formed through CO2 dissolution to inhibit the activity of polyphenol oxidase and reduce the requirement for fixation temperature, active ingredients are reserved through three-area gradient variable-temperature drying and rapid dehydration and freeze-drying sublimation, energy consumption is reduced by 37%, heat stability is improved through polyphenol glycosylation, the bioavailability of beta-carotene is improved to 80% through nano embedding, and therefore nutrient loss is avoided, and the method is suitable for industrial production. The drying efficiency, color and flavor are improved.

The invention relates to the technical field of preparation of soil conditioners, in particular to a preparation method of a soil conditioner based on paddy-upland rotation, which is characterized by comprising the following steps: removing impurities from mineral nutrient components, concentrating and activating to obtain a first conditioner component; performing fermentation treatment on the organic matter component to obtain a second modifier component; carrying out co-culture on the soil nutrient activation flora and the dry-wet-resistant alternate flora to obtain a microbial mixed agent; performing three-stage mixing treatment on the first modifier component, the second modifier component and the microbial agent mixture to obtain a to-be-granulated material; and carrying out granulation and coating treatment on the to-be-granulated material. According to the preparation method of the soil conditioner disclosed by the invention, the problems that nutrient loss and flora imbalance are easily caused in the waterflooding period and the drought period of paddy-upland rotation soil are solved.

The invention discloses a sustained and controlled release value-added fertilizer containing a bioactive carrier and a preparation method of the sustained and controlled release value-added fertilizer, and belongs to the technical field of sustained and controlled release fertilizers. The slow / controlled-release value-added fertilizer is prepared by compounding a bioactive carrier and an NPK compound fertilizer, wherein the bioactive carrier is prepared from three parts, namely a charcoal-layered double-metal hydroxide composite base material, interlayer intercalation phosphate radicals and surface-loaded humic acid. High-amount uniform loading of layered double hydroxides on the surface of biochar is achieved through a hydrothermal in-situ growth technology, phosphate radicals are stably embedded between layers in a subject-object composite mode, and a humic acid active component is combined to form a novel value-added fertilizer with multiple functions of nutrient slow release, soil improvement and growth stimulation. The fertilizer utilization rate is effectively improved, and the nutrient loss risk is reduced.

The present application relates to the technical field of agricultural product waste processing, in particular to a fresh fruit peel residue squeezing dehydration process. The process adopts a dehydration accelerator for short-time reaction with fresh fruit peel residue, and then realizes effective dehydration through physical squeezing again. The water content of the fruit peel residue can be reduced from 78.03% to 66.67%. The process optimizes the dehydration effect, nutrient retention, ash control and other indicators, which can not only significantly improve the squeezing dehydration efficiency, but also has less nutrient loss and greatly improves the commercial utilization value of the fruit peel residue.

The utility model discloses an aquaculture feed low-temperature drying treatment box which comprises a treatment box body, two through holes are formed in the outer side of the treatment box body, filter plates are arranged in the two through holes, two fixing plates are fixedly installed on the outer side of the treatment box body, round holes are formed in the two fixing plates located on the upper portion, and the round holes are communicated with the filter plates. By combining the stirring assembly with the heating rod, the motor drives the stirring frame to uniformly heat the feed in a low-temperature environment, local overheating is avoided, heat-sensitive nutritional ingredients such as vitamins and probiotics are effectively reserved, the quality of the feed is improved, and the feed stirring device is suitable for large-scale popularization and application. Meanwhile, an accurate temperature sensor is matched with a controller, low-temperature drying and accurate temperature control are ensured, energy consumption and nutrient loss are reduced, the cost is reduced for feed processing enterprises, the market competitiveness is enhanced, the requirement of aquaculture for high-quality feed is met, and industrial sustainable development is promoted.

This invention discloses a method for enhancing the color and aroma of whole-component fruit juice through synergistic fermentation with lactic acid bacteria, belonging to the field of food processing technology. The method uses ripe mangoes / pineapples as raw materials. After washing, pitting (peeling), and low-temperature jet milling to retain all components, the juice undergoes compound enzymatic hydrolysis and optimization of its uniformity. A compound strain composed of *Lactobacillus plantarum*, *Lactobacillus fermentum*, and *Lactobacillus helveticus* is then inoculated. The mixture undergoes constant-temperature anaerobic fermentation. The process is optimized using fuzzy mathematical sensory evaluation and response surface methodology, resulting in a sensory score of 91.67 for mango juice and 90.83 for pineapple juice. The retention rate of carotenoids is increased by 25%-30%, the lactic acid content reaches 2.97-26.45 mg / g, and the relative content of esters in volatile aroma components increases to over 35%. Simultaneously, the total sugar content decreases by 3.7%-24.0%. This method solves the problems of dull color, weak aroma, and nutrient loss in traditional whole-component fruit juices. The product combines natural functionality with a unique fermented flavor, making it suitable for industrial production.

The application provides a smart agricultural monitoring method and system based on the Internet of Things, and relates to the field of agricultural informatization. The application marks water and nitrogen nutrients, obtains their morphological transformation path and rate in the crop and soil system, and constructs a biochemical substance flow network; uses a three-dimensional radio frequency sensing network to collect the spatial displacement trajectory of water and nitrogen nutrients, and constructs a physical migration network; fuses the two networks to construct a migration analysis mechanism, analyzes the substance form and stock at a specific position, quantitatively analyzes the competition and distribution of water and nitrogen among crops, soil and microorganisms, identifies the circulating high-loss area and the retention amount, generates path reconstruction instructions and morphological conversion instructions, realizes efficient resource recycling of water and nitrogen nutrients, can realize multi-dimensional accurate analysis of the migration and transformation of farmland water and nitrogen, identify nutrient circulation bottlenecks, actively optimize and control, effectively reduce nutrient loss, improve resource utilization efficiency, and provide a scientific basis for the accurate management of smart agriculture.

The invention discloses a coal slime and fly ash-based impervious oxygen isolation soil body reconstruction method. The impervious oxygen isolation soil body comprises an original deposit, an impervious oxygen isolation layer and a surface soil layer from bottom to top in sequence; according to the compound and construction method of the anti-seepage oxygen-insulation materials in the construction process of the soil bodies of the mine dump, the subsidence area and the gangue hill, the optimal proportion, the laying process and the optimal compaction degree of the coal slime and the coal ash are given out by aiming at the compound and construction method of the anti-seepage oxygen-insulation materials in the construction process of the soil bodies of the mine dump, the subsidence area and the gangue hill; the anti-seepage oxygen barrier layer can be provided for loess, sandy soil and other surface soil layers prone to water and nutrient loss, the good water and fertilizer retention effect can be achieved, water and soil nutrient loss is reduced, and the vegetation recovery effect is promoted. According to the novel method for constructing the anti-seepage oxygen-isolation soil body, the problems of water leakage and fertilizer leakage after earth covering of mine dump, subsidence areas and gangue hills are effectively solved, and meanwhile the utilization rate of solid waste coal gangue and coal ash is increased.

This invention discloses a method for reducing carbon and nitrogen emissions and nutrient loss during liquid manure storage. By storing liquid poultry and livestock manure containing plant tannin extracts under natural atmospheric and static conditions, this invention reduces carbon and nitrogen emissions and nutrient loss during storage, increases the fertilizer value of the liquid manure, and improves its physicochemical properties and stability. The plant tannin extracts are natural plant extracts, environmentally friendly and non-toxic, with low cost and simple operation, making them suitable for large-scale application. This invention provides a highly efficient and environmentally friendly liquid manure storage technology for the livestock and poultry farming industry, and offers a sustainable liquid manure management solution.

The present application relates to the field of microbiological technology, and specifically provides a compound microbial flora preparation for improving crop straw compost humification and organic carbon fixation and application thereof. The compound microbial flora is composed of saccharophagus degradans CGMCC 1.10397, paenibacillus popilliae CGMCC 1.12900 and bacillus subtilis CGMCC 1.6757. Seed liquids of the above three strains are mixed and cultured in a volume ratio of 1:1:1 to obtain a compound microbial suspension, which is applied to the aerobic composting process of crop straw, can significantly improve the degradation efficiency of lignocellulose, promote the formation of humus and the stable fixation of organic carbon, thereby improving the compost quality, reducing the nutrient loss and greenhouse gas emission. The present application is suitable for the resource treatment of cotton straw, vegetable straw and other agricultural organic wastes.

The invention discloses a coarse cereal high-value treatment method which comprises the following steps: S1, raw material cleaning: screening, cleaning and drying coarse cereals; s2, baking the raw materials, namely performing microwave baking on the cleaned coarse cereals in the step S1, and performing dry cooking; s3, raw material powdering: putting the baked coarse cereals into powdering equipment for powdering treatment; s4, drying the raw materials, namely drying and crushing the raw materials with moisture; s5, sieving the raw materials; and S6, packaging the raw materials. In the processing process, the ultrasonic generator is used for crushing the coarse cereals, so that the mechanical crushing state is avoided, the nutrition loss of the coarse cereals in the crushing process is further reduced, meanwhile, the coarse cereals are crushed by ultrasonic waves, so that the taste of the coarse cereals is better, the coarse cereals can be mixed more uniformly, and the quality of the coarse cereals is improved. And the arrangement of mixing equipment is reduced, so that the production cost is further reduced, and the practicability of the production process is indirectly improved.

The invention relates to a preparation method of a fiber-based curry sauce capable of resisting reheating nutrition loss and the curry sauce. Comprising the following steps: 1) juice absorption: long protein fibers absorb turmeric juice to obtain a fiber material A; 2) rubber powder film coating: uniformly mixing the fiber material A with vegetable rubber powder, and shearing to obtain a fiber material B; 3) oil-emulsion blocking: uniformly mixing an emulsifier and vegetable oil, and uniformly mixing the obtained oil-emulsion material C with the fiber material B to obtain a protein fiber base material; and 4) stir-frying and curing: weighing vegetable oil, heating, adding a flavoring agent, mixing with the vegetable oil, stir-frying, adding a mixture of wheat flour, mashed potato and water, uniformly mixing to obtain a seasoning sauce, adding the protein fiber base material, uniformly mixing, curing, packaging, and sterilizing to obtain the curry sauce. Through the processes of juice absorption, rubber powder film covering, oil emulsion blocking and stir-frying and curing, the curry sauce is repeatedly heated for multiple times, so that the loss of curcumin can be reduced, and the curry sauce can be easily adhered to the surface of food to obtain better taste and flavor.

The invention relates to red date sandwich sliced tea and a preparation process, and belongs to the technical field of substitutional tea processing, the product is formed by interference fit of peripheral date rings formed by pitted slices and built-in tea columns formed by compressed tea materials, and is prepared by constant-temperature drying at 65 DEG C for 6-8 hours. According to the technical scheme, synchronous water absorption expansion and component balanced release of the jujube rings and the tea columns during brewing are achieved, thermosensitive nutritional ingredients such as vitamins and tea polyphenols of the red jujubes are effectively reserved, and meanwhile the product has the characteristics of being complete in structure, few in tea residues and convenient to brew; the technical problems that traditional combined tea is asynchronous in component release, high in nutrition loss and inconvenient to process are solved.

This invention relates to the field of cultivation substrate technology, and more particularly to a cultivation substrate and its preparation process. The cultivation substrate, from bottom to top, comprises: a perlite granule layer, a first fiber substrate layer, a magnesium ammonium phosphate slow-release fertilizer layer, a temperature-sensitive water-retaining agent layer, and a second fiber substrate layer; the thickness ratio of the perlite granule layer, the first fiber substrate layer, the magnesium ammonium phosphate slow-release fertilizer layer, the temperature-sensitive water-retaining agent layer, and the second fiber substrate layer is 5-10:20-40:1-2:0.1-1:10-30; the perlite granule layer is made of perlite granules with a particle size of 2-4 mm. This invention effectively achieves the synergistic effect of vertical water penetration and lateral diffusion, and can retain water under low temperature and high humidity conditions, while releasing water and increasing porosity under high temperature and low humidity conditions. The system exhibits excellent stability, effectively preventing nutrient loss, and can stably maintain the substrate state even after long-term use.

The invention relates to the technical field of nutritious food, in particular to a functional composition based on bran and a preparation method thereof, and the composition is prepared by mixing main material bran and auxiliary materials; the feed comprises the following components in parts by weight: 400-600 parts of bran, 150-250 parts of pea meal, 100-200 parts of soybean meal, 50-150 parts of wheat flour, 30-70 parts of crushed peanut kernels, 30-70 parts of crushed walnut kernels, 20-30 parts of crushed black sesame and 6-8 parts of a composite prebiotic solution. A safe and effective nutrition for relaxing bowel is provided for people with constipation, and the raw materials are treated by using technologies such as high-pressure steaming and infrared baking, so that nutritional ingredients of the raw materials can be reserved to the greatest extent, and the problem of contradiction between nutrient loss caused by high temperature and fiber softening requirements is solved.