299 results about "Nutrient loss" patented technology

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.

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 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.

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 provides a sea cucumber can, which is characterized by comprising the following raw materials: 30-40% of sea cucumber, 10-15% of rock sugar, 2-5% of wolfberry, 1-2% of edible salt, and 40-55% of water, the rock sugar can be replaced by brown sugar or white sugar, 10-20% of the brown sugar needs to be replaced, and the water can be slightly reduced when the brown sugar is replaced. The method has the advantages that the long shelf life of more than 12 months is realized without repeated water soaking or long-term soaking through innovative pretreatment and sterilization processes, active nutritional ingredients of the sea cucumbers are reserved to the greatest extent, and the body walls of the sea cucumbers are kept complete and compact by adopting a special buffer soup formula and a physical protection technology, so that the sea cucumbers have good health care effects. The sensory quality of the product is remarkably improved, the common problems of crushing and peeling of the sea cucumber, turbid soup and the like in a traditional can are solved, the product has instant convenience and high-quality taste, and the industrial pain points of nutrition loss of a dried product and poor taste of the instant sea cucumber are overcome; a sea cucumber deep processing product with high nutrition retention degree, good storage stability and excellent eating experience is provided for the market.

The invention provides a preparation method and equipment of an original blueberry juice beverage, and the preparation method comprises the following steps: S1, liquid nitrogen quick freezing and wall breaking: putting cleaned blueberries in a liquid nitrogen environment for quick freezing, so that cell walls of the blueberries are broken; s2, low-temperature unfreezing and ultrafine crushing: unfreezing the blueberries treated in the step S1 in an environment of 2-6 DEG C, and then performing closed ultrafine crushing to obtain whole blueberry pulp; s3, multi-stage composite enzymatic hydrolysis: conveying the whole-fruit blueberry pulp into an enzymatic hydrolysis tank, and adding a composite enzyme preparation in two stages at 45-55 DEG C to carry out an enzymatic hydrolysis reaction; the compound enzyme preparation comprises pectinase and cellulase; s4, performing ultrahigh-pressure cold sterilization; and S5, carrying out sterile cold filling. According to the method, a liquid nitrogen quick-freezing wall breaking technology is adopted, so that the cell structure of the blueberry is quickly destroyed in a low-temperature environment, heat-sensitive active ingredients such as anthocyanin and vitamin C are effectively reserved, and the problem of nutrition loss caused by traditional hot processing is solved.

The invention discloses a laboratory mouse feed and a preparation method thereof. The feed consists of the following raw materials in percentage by weight: 32-38% of corn flour, 22-28% of fermented soybean meal, 8-12% of fish meal, 4-6% of silkworm chrysalis meal, 10-15% of low-gluten wheat flour, 2-3% of purple perilla seed oil, 1.5-2.5% of calcium carbonate, 0.8-1.2% of calcium hydrophosphate, 0.3-0.5% of table salt, 0.8-1.2% of microencapsulated compound vitamins, 0.2-0.4% of an enzyme preparation compound, 3-5% of dietary fibers and the balance of mineral premix. The preparation method has the beneficial effects that the vitamin retention rate of the technical scheme is increased by 30-40% compared with a contrast, and the problem of nutrient loss caused by a traditional high-temperature process is solved; the water uniformity is improved by 68% through gradient cooling, the quality guarantee period is prolonged from 50 days to 85-95 days in combination with a microencapsulation technology, and the storage loss is reduced.

The invention discloses a production method of probiotic blueberry fruit slices, and belongs to the technical field of health food. Comprising the following components: 80-120 parts of fresh blueberry fruits, 20-30 parts of oat, 2-5 parts of probiotics and 160-200 parts of water. According to the embodiment of the invention, the dissolution concentration of the anthocyanin is higher, the reconstitution fluid reaches 0.10-0.14 mg / mL, and eye protection functional components are more sufficient. Total polyphenol and total flavone are respectively higher than those of a contrast, and the antioxidant capacity is better. In the second step, low-temperature short-time fermentation is performed, the retention amount of vitamin C is higher than that of a primary fermentation method in a comparison ratio 1, and the nutrient loss is minimized. Fermentation is more sufficient, soluble sugar is reduced, the low-sugar claim is met, and meanwhile, due to acid ester coordination, the sweet taste is still full. On the premise of the same raw materials and the same total fermentation duration, the comprehensive advantages of high activity, high oxidation resistance, high protein, low sugar and good taste are achieved, and an efficient and economical preparation path is provided for the functional blueberry probiotic fruit slices.

The present application relates to a kind of water stability fertilizer and the method for preparing the fertilizer using hydration solidification technology, the present application is formed by specific hydration solidification reagent under the condition of water storage hydration solidification reaction, relatively dense, stable inorganic structure framework, so that the components of fertilizer are closely combined, finally obtain stable performance fertilizer, the fertilizer of the present application has high water stability, the overall shape is kept intact after being immersed in water for 28 days, is not damaged, and the production cost is low, can realize the slow release of nutrient, reduce nutrient loss, improve the utilization rate of fertilizer, while reducing its pollution to the environment.

The invention discloses a bird's nest preservation method based on a composite packaging film, and relates to the technical field of bird's nest preservation, and the bird's nest preservation method comprises the steps of bird's nest raw material pretreatment, composite packaging film preparation, vacuum packaging, sterilization treatment, storage and the like. The composite packaging film is formed by compounding a polyethylene / polypropylene / polyethylene three-layer co-extrusion film and a nano titanium dioxide / chitosan antibacterial layer, and has excellent oxygen-blocking, moisture-blocking and antibacterial properties; by accurately controlling packaging parameters and sterilization conditions, the shelf life of the cubilose at normal temperature is prolonged, and meanwhile, the nutritional ingredients and sensory quality of the cubilose are kept. The method disclosed by the invention is simple and convenient to operate and low in cost, and solves the problems of nutrition loss and short shelf life in the traditional cubilose preservation technology.

The utility model relates to the field of powdering equipment, in particular to a food powdering device capable of preventing nutrition loss, which comprises a driving unit, a powdering unit and a cooling unit, the powdering unit comprises a shell, a gear ring component and a hammerhead component, the gear ring component is fixed in the shell, the bottom surface of the gear ring component and the shell are arranged at an interval, and the hammerhead component is fixed in the shell. A cooling cavity is formed; the driving end of the driving unit is connected with a driving rod set, the driving rod set is arranged on the shell in a penetrating mode, the hammer head assembly is arranged in the gear ring assembly and rotationally connected to the driving rod set, a first cooling pipeline is formed in the driving rod set, and the driving assembly conveys cooling liquid to the cooling cavity and the first cooling pipeline through the cooling pipeline. The gear ring assembly is cooled through cooling liquid in the cooling cavity, temperature rise of the gear ring assembly caused by friction is avoided, materials are heated, and over-temperature of material powder and loss of nutritional ingredients are avoided to the maximum extent.

The preparation method of the raspberry wine comprises the following steps: S1, pretreating raw materials: cleaning raspberries and litchis, freezing for later use, unfreezing before crushing, and mixing and pulping; washing red rice, cooking, and cooling for later use; s2, saccharifying: adding sweet distiller's yeast and Maotai-flavor yeast into the red rice, adding purified water, uniformly stirring, and fermenting to obtain a saccharified product; s3, performing enzymolysis: adding pectinase into the mixed fruit pulp of the raspberries and the litchis, and performing extraction to obtain enzymolysis fruit pulp; s4, main fermentation: preparing a suspension from active dry yeast and distilled water, activating in a constant-temperature water bath, and adding the activated yeast liquid into a mixture of the saccharification product and the enzymolysis fruit pulp for low-temperature fermentation; s5, separation and post-fermentation: after the main fermentation is completed, separating sake from fruit paste and yeast, and performing post-low-temperature fermentation on the sake; and S6, ageing and filtering: ageing the wine liquid after the secondary fermentation, naturally clarifying, filtering, and taking supernate, so as to obtain the raspberry wine. The invention solves the problems of nutrition loss, single flavor and unstable quality of the existing raspberry wine.