60results about How to "Increase the added value of technology" patented technology

The invention provides an edible collagen food packaging film and a preparation method thereof. The preparation method comprises the following steps: firstly, stirring a 5-30wt% collagen solution and a 0.1-3wt% modifier solution at the temperature of 30-60 DEG C to react for 30-60 minutes, thus obtaining a compound solution; then adding a plasticizer and an auxiliary additive into the compound solution, then continuing to stir for 20-40 minutes at the temperature of 30-60 DEG C so as to obtain a mixed solution; and pouring the mixed solution in a die, molding, drying for 5-15 hours at the temperature of 40-80 DEG C, so as to obtain the edible collagen food packaging film. The edible collagen food packaging film has the advantages of better mechanical property, better heat stability, better moisture barrier property, safety, effectiveness and no side effect; wastes can be degraded and do not cause environment pollution; and the edible collagen food packaging film can be widely applied to the fields of various food packaging and medicament packaging, and has a good market application prospect.

A new harmless comprehensive utilization technique for wet processing chromic slag comprises steps as follows: ball milling chromic slag to 80-200 meshes, adding water to prepare slurry, immersing the slurry in hydrochloric acid solution, regulating the pH to 5-6, performing solid-liquid separation with filter press, in the immersion liquid after separation, the hexavalent chrome is reduced to trivalent chromium, adding sodium hudroxide aqueous solution, regulating the pH to 4-6, roughly preparing chromic hydroxide, adding sulfuric acid into filtrate, regulating the pH to 5-6, removing the calcium coprecipitated with magnesium in the rest filtrate, preparing the 2-water calcium sulphate whisker, adding alkali to the filtrate after filter-pressing to regulate the pH to 9-12 to synthesize super-fine magnesium hydroxide powder; the solution after filter-pressing is concentrated to prepare sodium chloride. The main contents of extracts within the chromic slag treated by wet processing all can meet primary, secondary or even accredited national or ministerial standard. The technique can thoroughly detoxicate Cr<6+> in chromic slag and can prepare nine products, includiing chromic hydroxide, magnesium hydroxide, ammonium hydroxide, silicon dioxide, magnetic ferrous ferricoxide, 2-water calcium sulphate, corundum intermediate, sodium chloride, and tailings-chromite; and the extracts after processing chromic slag have high quality.

The invention discloses a graphene aerogel and a preparation method and an application thereof, wherein the aerogel is prepared from the following method: (1) pre-reduction treatment: adding a reducing agent to a graphene oxide solution, mixing, carrying out ultrasonic dispersion, and carrying out pre-reduction treatment, to obtain a semi-reduction graphene hydrogel; (2) final reduction treatment:adding a reducing agent, carrying out ultrasonic treatment, and then carrying out final reduction treatment, to obtain a graphene hydrogel; and (3) acid / alkali soaking: placing the graphene hydrogelin an acid or alkali aqueous solution, soaking, washing the hydrogel to be neutral, sucking out the excess liquid, and carrying out freeze drying, to obtain the graphene aerogel. The graphene aerogelis applied to electromagnetic wave absorption materials. The graphene aerogel obtained by the method has small density and good integrality, and has a certain mechanical strength and resillency; the prepared wave absorbing material has good electromagnetic wave absorption performance, and the wave absorbing performance can be adjusted; and the method has the advantages of simple process, short production cycle, low cost and good benefits, and is suitable for industrialized production.

The invention discloses a special expressing promoter of plant endosperm and appliance, which is characterized by the following: 1) possessing DNA sequence of sequence 1 in sequence table; 2) possessing 70% or above 70% homologous property with limited DNA sequence of sequence 1 in sequence table; possessing DNA sequence with same function; 3) possessing crossing nucleic acid sequence with limited NDA sequence of sequence 1 in sequence table under high strict condition. This promoter can start special expression of external source gene in plant endosperm, which is fit for any plant with endosperm such as monocotyledon or dicotyledon.

The invention discloses a special expressing promoter of plant endosperm and appliance, which is characterized by the following: 1) possessing DNA sequence of sequence 1 in sequence table; 2) possessing 70% or above 70% homologous property with limited DNA sequence of sequence 1 in sequence table; possessing DNA sequence with same function; 3) possessing crossing nucleic acid sequence with limited NDA sequence of sequence 1 in sequence table under high strict condition. This promoter can start special expression of external source gene in plant endosperm, which is fit for any plant with endosperm such as monocotyledon or dicotyledon.

The present invention discloses a preparation method of slowly-digestible starch-based recombinant rice with a low glycemic index, and belongs to the technical field of food processing. After a high-temperature fluidization technology is used to conduct a non-crystallizing treatment of a solid-phase broken rice raw material in a short time, materials are subjected to a one-step reactive extrusiontechnology, enzyme-adding enzymatic hydrolysis and an esterification treatment are combined, and the recombinant rice with high slowly-digestible starch content and low glycemic index is obtained. Therecombinant rice prepared by the one-step shaping extrusion technology is suitable for consumption of patients with type II diabetes. At the same time, the preparation method increases added value ofagricultural and sideline products, reduces production cost, and improves production efficiency.

The invention relates to a selenium-enriched foliar fertilizer for vine tea, and is characterized in that the following substances are stirred evenly and sprayed onto the leaf surface per mu: 10 g-20 g of sodium selenite, 100 g-300 g of biochemical fulvic acid, 100 g-300 g of dipotassium hydrogen phosphate, 200 g-500 g of urea, 50 g-80 g of a neutral washing powder, and 60 kg-100 kg of water. A preparation process of the selenium-enriched foliar fertilizer for the vine tea comprises the steps: firstly, fully dissolving biochemical potassium fulvic with a proper amount of water and precipitating, and preferably filtering once; and weighing other components according to the dosage requirement, then placing in another container, adding water to dissolve, mixing the two liquids evenly, and adding water to the specified water addition amount. The product of the invention belongs to a producing security type product, and aims to improve the selenium content of the product, increase the science and technology additional value, allow the vine tea to be changed from common wild tea to health-care tea more having health and nutritional functions, and greatly improve the economic value and the practical value.

The invention discloses a making method of superparamagnetism starch, which comprises the following steps: allocating starch milk through starch and deionized water; adjusting pH value; adding soluble ferrous salt solution to adsorb once; filtering in the vacuum or separating centrifugally; removing water to obtain sediment; adding hydrogen peroxide solution to oxidize once; dehydrating; washing; obtaining starch product with water; repeating these steps to obtain magnified starch product with water; drying; obtaining the product.

The invention discloses phase-change temperature regulation coating and a preparation method thereof. The preparation method comprises the following steps: firstly, carrying out atomization drying andthermal expansion treatment on a graphene oxide water solution to obtain a graphene microsphere with a mesoporous structure; and then fusing a phase-change material and sufficiently penetrating the phase change material into a cavity of the graphene microsphere, so as to obtain a phase-change microsphere with a core-shell structure. According to the phase-change temperature regulation coating, surplus phase-change material on the surface of the phase-change microsphere is removed through a filter pressing method, and the phase-change temperature regulation coating is obtained through adoptinga mechanical mixing method and uniformly mixing all components of the coating. The hollow graphene microsphere is used for covering the phase-change material so that leakage of the phase-change material in a utilization process is extremely reduced and the service life can be remarkably prolonged. The heat exchange between the environment and a coating layer can be effectively promoted through high heat conductivity of graphene and the heat of the coating layer can be stored and released. Furthermore, the graphene has high conductivity and antibacterial and far infrared emission properties, and the coating can obtain various new functions.

A process for preparing the refined neutral sodium sulphate from the sodium mirabilite of natural salt lake includes dissolving raw material, sand filtering, adding ammonium sulfate, forced evaporation, centrifugal separation, hot-air drying and magnetically removing iron. Its advantages are high purity (more than 99.3%), high whiteness (90%) and pH value 6-8.

The invention provides a method for efficiently preparing a starch-lipid complex. The method comprises the steps: adopting corn starch and fatty acid as raw materials and beta-lactoglobulin as an emulsifier, mixing the three at a mass ratio of 20:1:2, and performing a complexation reaction in a fast viscosity analyzer. When the method is compared with a traditional system without addition of beta-lactoglobulin, the yield of the starch-lipid complex is improved significantly, and the increase rate of the complex content in different fatty acid systems is different and at 28-283%. The starch-lipid complex can be used as an additive for hypoglycemic food, targeted drug controlled release carriers and improvement of intestinal flora and human health, can also be added as fat mimics to food, and has potential special function properties, a high nutritional value, low production cost, easy and continuous production, no pollution to the environment, broad market potential and highly social and economic benefits.

The invention discloses a plant endosperm specific expression promoter and a use thereof. A nucleotide sequence of the promoter is one of the following nucleotide sequences of 1) a DNA sequence limited by sequence 1 shown in a sequence list in the patent specification, 2) a DNA sequence which is above 70% homologous to the DNA sequence limited by the sequence 1 shown in the sequence list and has functions the same as that of the DNA sequence limited by the sequence 1 shown in the sequence list, and 3) a nucleotide sequence which can hybridize with the DNA sequence limited by the sequence 1 shown in the sequence list under highly stringent conditions. The promoter can promote specific expression of a foreign gene in plant endosperm, thus is suitable for any plant of which a seed has endosperm. In other words, the promoter is suitable for monocotyledons or endosperm type dicotyledons.

The invention relates to the technical fields of biological techniques and plant genetic engineering, in particular to a specific expression promoter for an endosperm of paddy rice and application of the specific expression promoter. The promoter can drive a target gene to be expressed in the endosperm in a transgenic regulation and control system of the paddy rice; a nucleotide sequence of the promoter is as shown by SEQ ID NO: 1. The specific expression promoter for an endosperm of a plant, which is provided by the invention, is a pEnd1 promoter which is separated and obtained from the paddy rice by designing a primer, using genomic DNA of the paddy rice as a template and by utilizing a PCR method; shown by an expression specificity experiment of the specific expression promoter in the paddy rice, the promoter provided by the invention makes a reporter gene of beta-glucuronidase (GUS) specifically expressed only in an endosperm of a seed of the paddy rice. The promoter provided by the invention is shown to be capable of promoting the expression of the specificity of an exogenous gene in the endosperm of the plant, is applicable to any plants of which the seeds have the endosperms, i.e., monogenus plants or endosperm type dicotyledonous plants.

The invention discloses a shoe, comprising a sole and a vamp which are mutually fixed, wherein a projecting device is arranged in the sole and comprises a power supply assembly, a light source assembly, a control circuit board and a switch assembly which are arranged on the sole. A projection function is added on the basis of flashing, so that cartoon figures popular with children and even pictures of children and all pictures to be projected can be displayed on the ground, walls and other places through a projection mode; furthermore, by setting projection contents, children can know some scientific knowledge in wearing and playing processes; by observing projection phenomena, children can know optical knowledge so as to guide children to sense science and culture scientific interests; of course, adult shoes can be made according to needs. The shoe provided by the invention is novel in design, has higher additional values of science and technology, and can effectively solve the technical problems of single form, common decorative effect, low additional values of science and technology and the like of common flashing shoes.

The invention relates to a method for preparing nano-grade dietary fibers from burdock dregs, belonging to the technical field of food processing. The method comprises the following steps of: taking waste dietary fibers of burdock after synanthrin is extracted as raw materials; adding alpha-amylase and a protease preparation, and efficiently extracting the dietary fibers under the condition of warm water; and then further preparing the nano-grade dietary fibers of the burdock dregs by a high-energy nano ball mill. The invention relates to multiple fields, such as baking foods, beverages, sweets, seasonings, dairy products, diabetes patient foods, weight-losing foods, and the like. The production process realizes the continuous production, has the advantages of simple process, easy automatic control, low cost, high product quality, higher science and technology additional value and extensive potential market, can greatly enhance the value of agricultural and sideline products and has important significance in enhancing the health level of people and higher social benefits and economic benefits.

The present invention relates to a flyash water-proof heat-insulating material, which characterized by that it is made up by using flyash and waste old foamed plastics as main raw material, and its composition comprises (wt%) 60%-70% of flyash, 2%-5% of foamed plastics, in which the coarse aggregate (1mm-2mm) is 65%-75% and the fine aggregate (0.5mm-1mm) is 15%-30%, AN microexpanding agent addition quantity is 0.5%-1%, water-reducing agent is 0.5-1%, water repellent is 0.5%-1% and cement addition quantity is 15-30%. Under the flyash water-proof heat-insulating material with large addition quantity of flyash are laid three-layers of high-quality ageing-resisting plastic film (ARPE) as flexible pre-water-proofing layer, so that it not only has the water-proofing function, but also can resist the irradiation of 100% UV ray.

The invention provides a collagen facial mask and a preparation method thereof. The method comprises the following steps of: stirring 1 to 20 mass percent of aqueous solution of collagen and 0.1 to 2 mass percent of aqueous solution of a modifier at the temperature of between 20 and 60 DEG C for reacting for 15 to 45 minutes to obtain stock solution; adding a plasticizer, a functional additive and an antimicrobial growth promoter into the stock solution, and continuing to stir at the temperature of between 20 and 60 DEG C for 30 to 60 minutes to obtain mixed solution; and pouring the mixed solution into a die for forming, and drying at the temperature of between 30 and 60 DEG C for 3 to 10 hours to obtain the collagen facial mask. The prepared collagen facial mask is mainly formed by macromolecular substances extracted from natural animals and plants, safe and effective and does not have toxic or side effect, has the high heat stability, toughness, ductility and adhesion, and can be in fit with skin well and achieve the effects of preserving moisture doubly, softening cutin skin, resisting winkle, whitening the skin, restoring the skin and the like under the assistance of the functional additive; rejected materials of the facial mask are degradable, and do not cause environmental pollution; and the collagen facial mask can be widely applied in the field of daily cosmetics and has the excellent market application prospect.

The invention discloses a specific expression promoter for a plant embryo and application thereof. The promoter is derived from (1) a DNA (Deoxyribonucleic Acid) sequence shown as a sequence 1 in a sequence table, (2) a DNA sequence having over 70 percent of homology with the DNA sequence defined by the sequence 1 in the sequence table and having the function of a specific expression promoter forthe plant embryo, and (3) a nucleotide sequence which can be hybridized with the DNA sequence defined by the sequence 1 in the sequence table under a highly serious condition. The promoter can be used for promoting specific expression of an exogenous gene in the plant embryo, and is suitable for any seed plant.

The invention discloses a rice-derived endosperm specific expression promoter and application thereof. The promoter is a DNA molecule as shown in the following a), b) or c): a) the DNA molecule with the nucleotide sequence of SEQ ID No.1; b) the DNA molecule with 70% or more than 70% of identity with the nucleotide sequence defined by a) and with a promoter function; and c) the DNA molecule which is hybridized with the nucleotide sequence defined by a) or b) under the highly strict condition and has a promoter function. By adoption of the promoter provided by the invention, the expression and accumulation level of an exogenous gene to plant seed endosperm can be increased; the seed quality can be improved; protein or oligopeptide with physiological activity can be led into the seed to create a health-care type functional novel variety; and the seed can serve as a bioreactor to produce useful foreign protein or edible vaccine so as to increase the technological additional value of agricultural products.

The invention discloses a rice seed glutelin GluB-5 gene terminator and application thereof. The terminator is a DNA (deoxyribonucleic acid) molecule from the following: 1) a DNA molecule composed of nucleotide sequence disclosed as Sequence 1 in the sequence table; 2) a molecule which is at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% or at least 99% homological with the DNA defined in the 1); and 3) a molecule crossbred with the DNA sequence defined in the 1) or 2) under strict conditions. By cooperating with different promoters, the terminator disclosed by the invention can enhance the expression and accumulation level of exogenous gene in the target plant, lays foundation for researching seed quality improvement, molecular medicine farms and the like, and has wide application prospects.

A production method and the application of a high temperature stable slowly digestible starch belong to the non-chemical modified starch field. The material starch of the present invention, such as cornstarch, wheat starch, rice starch, potato starch, tapioca starch, sweet potato starch, mung bean starch, chick pea starch, sorghum starch, sago starch, and canna starch, is gelatinized, and the complex debranching treatment is conducted after adding the commodity diastases, pullulanase and alpha amylase, and finally, the slowly digestible starch is gained after preservation, recrystallization, and hydrothermal treatment. The content of the slowly available glucose is greater than or equal to fifty percent, and the residue of the slowly digestible starch is greater than or equal to 80 percent after high temperature processing treatment. The present invention relates to a plurality of fields, such as baking food, short order, candy, flavoring, dairy products, athlete special food, food for diabetes, slimming foods, oral intestinal target controlled release film coating, and animal feed.

The invention provides a phenolic acid modified collagen mask and a preparation method thereof. The method comprises the following steps of: firstly, mixing and stirring a collagen water solution (1-30% in mass fraction) and a phenolic acids water solution (0.1-3% in mass fraction) under the pH of 5-10 at the temperature of 20-60 DEG C for 20-60 minutes; then adding an auxiliary additive water solution (1-20% in mass fraction), continuously stirring at the temperature of 20-60 DEG C for 20-40 minutes; and pouring the mixed solution into a mold for forming, and drying at the temperature of 20-50 DEG C for 6-24 hours to obtain the collagen mask. The collagen mask product prepared in the invention is safe and effective without toxic side effects, has good thermal stability, toughness, ductility and adhesiveness, can be well applied to skin, and can play the efficacies of resisting wrinkles, whitening, moistening, cleaning and nourishing skin and the like by the aid of the phenolic acids; and the mask waste is degradable without causing environmental pollution.

The invention discloses a plant endosperm specific expression promoter and an application thereof. The promoter is: 1) a DNA sequence of sequence 1 in the sequence table; 2) a DNA sequence which has homology of above 70% to the DNA sequence defined in sequence 1 in the sequence table, and has the function of a plant endosperm specific expression promoter; 3) a nucleotide sequence which can be hybridized with the DNA sequence defined in sequence 1 in the sequence table under high stringency conditions. The promoter of the invention can start specific expression of exogenous genes in plant endosperm, and is applicable to any plant whose seeds have endosperm, that is, monocotyledon or endosperm-type dicotyledon.

The invention discloses a rice seed 26kD globulin Glb-1 gene terminator and application thereof. The terminator is a DNA (deoxyribonucleic acid) molecule from the following: 1) a DNA molecule composed of nucleotide sequence disclosed as Sequence 1 in the sequence table; 2) a molecule which is at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% or at least 99% homological with the defined DNA; and 3) a molecule crossbred with the defined DNA sequence. By cooperating with different promoters, the terminator disclosed by the invention can enhance the expression and accumulation level of exogenous gene in the target plant, lays foundation for researching seed quality improvement, molecular medicine farms and the like, and has wide application prospects.

The invention relates to a preparation method of high-entropy alloy brazing filler metal. The designed high-entropy alloy brazing filler metal comprises the following chemical components of, by mass,20%-25% of Sn, 20%-25% of Al, 20%-25% of Cu, 0%-5% of Ag, 20%-25% of Ni and 0%-5% of Mg. The brazing filler metal used is in the shape of scraps, the brazing filler metal scraps are good in wettability, the strength of a brazing joint is high, the brazing filler metal scraps are prepared through vacuum induction melting, turning and a metal scrap crusher, the preparation process is simple, the production cost is low, the brazing filler metal of different sizes can be produced on a large scale, meanwhile, the quality stability of the brazing filler metal can be guaranteed, and the preparation method has the wide prospect in the aspect of brazing industrial application.

The invention discloses a rice-derived endosperm specific expression promoter and application thereof. The promoter is a DNA molecule as shown in the following a), b) or c): a) the DNA molecule with the nucleotide sequence of SEQ ID No.1; b) the DNA molecule with 70% or more than 70% of identity with the nucleotide sequence defined by a) and with a promoter function; and c) the DNA molecule which is hybridized with the nucleotide sequence defined by a) or b) under the highly strict condition and has a promoter function. By adoption of the promoter provided by the invention, the expression and accumulation level of an exogenous gene to plant seed endosperm can be increased; the seed quality can be improved; protein or oligopeptide with physiological activity can be led into the seed to create a health-care type functional novel variety; and the seed can serve as a bioreactor to produce useful foreign protein or edible vaccine so as to increase the technological additional value of agricultural products.

The invention discloses a preparation method of a tea ball added with a herba cistanche extractive, and belongs to the field of healthy tea processing. A principle of the method is based on poor water solubility and low dissolution rate of the most important active ingredient of herba cistanche, namely phenethyl alcohol glucoside; a stable compound is formed by beta-cyclodextrin embedding to increase the water solubility and the dissolution rate of phenethyl alcohol glucoside; and the novel tea ball is prepared. The preparation method comprises the following steps of: smashing herba cistanche scraps, extracting phenethyl alcohol glucoside (extracting for 4-6 hours at 50-70 DEG C in a 50-70% alcohol-water solution), embedding phenethyl alcohol glucoside with beta-cyclodextrin (embedding for 4-6 hours at 50-60 DEG C with a beta-cyclodextrin saturated solution), and preparing the tea ball (mixing 3-3.5g of herba cistanche powder and 0.5-1g of embedding substance powder, and bagging together to prepare the tea ball). The tea ball reserves the active ingredient of herba cistanche, increases the availability of herba cistanche to the greatest extent, is suitable for non-drinking people, has broad market potential, and has high social and economic benefits.

The invention relates to a method for preparing 90-type high fructose syrup from burdock root, belonging to the technical field of food processing. The method comprises the following steps of: taking the burdock root as a raw material; cleaning and slicing the burdock root, and carrying out enzyme inactivation preprocessing on the burdock root; and obtaining the 90-type high fructose syrup by enzymic preparation cellulose for the traditional industry, a biological enzyme-hot water cooperation extraction technology and an ion exchange resin one-step method technology. The invention relates to multiple application fields, such as baking foods, beverages, sweets, seasonings, dairy products, diabetes patient foods, weight-losing foods, and the like.

The invention provides a biosynthesis method for temperature-resistant dendritic slow-digestion starch, which belongs to the technical field of non-chemically modified starch. The method utilizes a biological catalytic conversion technique for beta-amylase, amylomaltase, maltose-base amylase, chorismic amylase and transglucosylase to recombine starch molecular chain of different-source commercialized starch through synergistic modification of novel hydrolysis-transglycosylation, such as corn starch, wheat starch, rice starch, potato starch, cassava starch, sweet potato starch, mung bean starch, chickpea starch, sorghum starch, sago starch, banana taro starch and the like, thereby obtaining the temperature-resistant dendritic starch with the characteristic of slow digestion. The temperature-resistant dendritic slow-digestion starch obtained by the method can be used as a functional raw / auxiliary material to develop hypoglycemia healthy foods, energy slow-release foods, nutritional factor-targeted controlled-release carrier materials and the like.

The invention discloses a processing method of low-sugar-content pumpkin sauce. The processing method of the low-sugar-content pumpkin sauce comprises the following steps of dicing pumpkins ready forusing, thoroughly steaming the pumpkin dices, carrying out beating so as to obtain pulp, mixing ingredients, carrying out concentration, carrying out filling, carrying out sealing, and carrying out sterilization so as to obtain final products; and the processing method of the low-sugar-content pumpkin sauce specifically comprises the following steps of selecting pumpkins which are thoroughly mature and free of mildew, thoroughly washing the selected pumpkins, removing peel and pedicel of the washed pumpkins so as to obtain pumpkins ready for using, cutting the pumpkins ready for using into pumpkin bases, thoroughly steaming the pumpkin bases, beating the steamed pumpkin bases by using a beater so as to obtain pulp, pouring the pulp into a pot, concentrating the pulp by carrying out heating, adding sodium alginate, waiting a little while and adding citric acid, continuing concentration until content of soluble solids is 55% or above, dishing off, sterilizing bottle caps, carrying out filling when the concentrate is still hot that the temperature of the concentrate should be 65 DEG C or above when the filling is carried out, carrying out capping and sealing, and carrying out sterilization by using boiling water for 20 minutes so as to obtain final products. The processing method of the low-sugar-content pumpkin sauce disclosed by the invention is capable of increasing technological added values of agricultural products, as well as enhancing product competitiveness; and the prepared low-sugar-content pumpkin sauce is free of addition of preservatives so that the pumpkin sauceis a green and natural product. The processing method of the low-sugar-content pumpkin sauce is green and environmentally friendly; the preparation processes are pollution-free; and the prepared low-sugar-content pumpkin sauce is suitable for patients with diabetes to eat.