14results about How to "Rich in composition" patented technology

This invention belongs to the field of microbial fermentation and food flavoring technology, and discloses a specific aroma-producing yeast strain XQU7 and its applications. This strain is *Hansenula polymorpha*. Hanseniaspora uvarum The strain, with accession number CCTCC M 2026992, produces a fermentation broth containing various volatile substances including esters, alcohols, acids, aldehydes, terpenes, and sulfur-containing compounds. It significantly enhances the content of characteristic aroma components such as octanoic acid, hexanoic acid, benzaldehyde, decanoic acid, benzyl alcohol, and D-limonene, resulting in complex flavors including fatty, fruity, sweet, ester, and fermented aromas, demonstrating excellent aroma-producing properties. This strain can be used to prepare fermentation flavor enhancers and aroma products, suitable for flavoring processing in food, beverages, seasonings, Fu brick tea, feed, and pet food, with a wide range of applications and significant industrialization value.

The invention discloses a preparation method of walnut protein ice cream, and belongs to the technical field of frozen food processing, and the preparation method comprises the following steps: adding walnuts into water, adjusting pH and temperature, and extracting to obtain a walnut protein extraction stock solution; adjusting the pH value of the walnut protein extraction stock solution, and performing spray drying to obtain walnut protein powder; weighing whey protein powder, walnut protein powder, isomaltulose, coconut oil, sodium carboxymethyl cellulose, a stabilizer and water; the preparation method comprises the following steps: uniformly mixing the raw materials, standing, refrigerating and aging, congealing by using an automatic ice cream machine, and freezing and hardening the congealed ice cream to obtain the walnut protein ice cream. According to the ice cream, walnut protein powder is used for replacing part of whey protein powder, the cost is reduced, the composition of ice cream protein is enriched, meanwhile, isomaltulose is used for replacing traditional cane sugar, and the energy of the ice cream is effectively reduced. The addition of the walnut protein can significantly increase the apparent viscosity of the ice cream and reduce the melting rate.

The invention relates to the technical field of vegetable oil processing, in particular to a method for preparing strong-flavor soybean oil through enzymolysis and aroma enhancement by means of extrusion puffing, and aims to provide the method for preparing the strong-flavor soybean oil through enzymolysis and aroma enhancement by means of extrusion puffing. According to the method, efficient and low-energy-consumption production of the soybean oil is achieved through a series of innovative process steps, neutral cellulase and flavourzyme are adopted for conducting enzymolysis on soybean embryo pieces, and amino acid, polypeptide, reducing sugar and the like are generated by hydrolyzing a substrate through an enzyme preparation in the hydrolysis process and serve as reaction substrates; maillard reaction is carried out under the action of high temperature in the extrusion process to generate aroma, aroma components are absorbed in the oil to obtain the strong-aroma soybean oil, and the method is not only suitable for production, but also suitable for aroma enhancement processes of other vegetable oil, and has relatively high practicability and popularization value.

The invention relates to a method for continuously preparing 1, 2-propylene glycol and 1, 3-propylene glycol and application of the method, and belongs to the field of preparation of propylene glycol. In a hydroformylation reaction unit, vinyl acetate, synthesis gas and a first catalyst are subjected to a contact reaction; cooling a part of the hydroformylation reaction product, returning to the hydroformylation reaction to control the reaction temperature, and carrying out pressure reduction on the other part of the reaction product to separate out crude acetoxypropionaldehyde; the crude acetoxypropionaldehyde and hydrogen are subjected to a contact reaction on a second catalyst, water is used as a solvent, the reaction product continues to be subjected to a contact reaction with a third catalyst solution, and 1, 2-propylene glycol, 1, 3-propylene glycol and acetic acid are obtained after separation treatment. The method is safer in raw materials, simple in process, easy to operate, diversified in product composition and high in market adaptability.

The invention relates to a black phosphorus composite negative electrode material for sodium storage and a preparation method and application thereof.The black phosphorus composite negative electrode material is prepared from black phosphorus, a sodium super-ion conductor Na3Zr2Si2PO12 and carbon nanotubes, the black phosphorus and the Na3Zr2Si2PO12 form a compact complex through a mechanochemical reaction, and the carbon nanotubes are inserted into the complex in a penetrating mode; and a phosphorus-carbon bond, a phosphorus-sodium bond, a phosphorus-zirconium bond and a phosphorus-silicon bond are formed. The prepared black phosphorus composite negative electrode material can effectively block diffusion and permeation of an electrolyte and prevent the electrolyte from directly contacting BP to generate side reaction, and meanwhile, the black phosphorus composite negative electrode material also has an excellent electron and ion conductive network and abundant surface chemical bonds. When the composite material is used as a negative electrode of a sodium-ion battery, the composite material shows extremely high first coulombic efficiency and relatively good rate capacity and cycling stability. The preparation method disclosed by the invention is low in cost, easy to operate, large in batch yield and stable in product performance, and has a better application prospect and potential.

The invention provides a production method of coal-based linear alkylbenzene. The method comprises the following steps: cutting the Fischer-Tropsch synthesis stable heavy oil to obtain distillate oil of C10-C13 and / or distillate oil of C16-C18; and mixing the distillate oil with benzene, adding a chloroaluminate ionic liquid catalyst, carrying out a synthetic reaction to obtain a synthetic feed liquid, and carrying out post-treatment to obtain the coal-based linear alkylbenzene. The distillate oil obtained by cutting the coal-based stable heavy oil fraction is used as the coal-based raw material, a new raw material source is provided, and the product composition is enriched; the chloroaluminate ionic liquid catalyst is used, so that the catalytic efficiency is high, the olefin conversion rate is high, the risks of strong toxicity and strong corrosivity in the production of the linear alkylbenzene in the traditional industry are reduced, the reaction condition is mild, the operation is convenient, the linear alkylbenzene is not easy to inactivate and good in stability, and the service life can be prolonged; the synthesized linear alkylbenzene product has a large density difference from the catalyst, the product layering is obvious, and the separation method is simple and reliable.

The present invention relates to the technical field of traditional Chinese medicine analysis, and specifically to a method for constructing a fingerprint spectrum of Yangwei Kangliu Granules and its fingerprint spectrum. The method adopts the HPLC-DAD-ELSD method, wherein the preparation method of the test solution comprises first adding water to part of the Yangwei Kangliu Granules, ultrasonically treating, extracting with water-saturated n-butanol, and combining the n-butanol solution; then taking the remaining Yangwei Kangliu Granules, ultrasonically treating with solvent 1, filtering, and obtaining a filtrate; finally, mixing part of the filtrate with the n-butanol solution, evaporating to dryness, and dissolving the residue with solvent 2. The method of the present invention is simple to operate, accurate and reliable, and has the characteristics of good precision, stability and repeatability. It can overcome the shortcomings of the prior art that the detection index is single and cannot reflect the intrinsic quality of the process control of the Yangwei Kangliu Granules, and realize a comprehensive and accurate evaluation of the preparation quality, thereby more effectively ensuring the preparation quality.

This invention belongs to the field of tea processing technology. It provides a novel comprehensive processing technique for improving the quality of summer and autumn black tea, comprising the steps of gentle shaking combined with UV-B-LED combined spectral withering, low-temperature controlled pressure gradient kneading, three-parameter linked dynamic fermentation, microwave-hot air coupled drying, and far-infrared variable-temperature aroma enhancement. Gentle shaking combined with UV-B-LED combined spectroscopy promotes the polymerization and transformation of flavor components; low-temperature controlled pressure gradient kneading allows for controllable cell breakage of tea leaves, promoting the outflow of tea juice; three-parameter linked dynamic fermentation increases the content of theaflavins and aromatic substances, improving the uniformity of fermentation; microwave-hot air coupled drying reduces aroma loss and improves drying efficiency; far-infrared variable-temperature aroma enhancement enriches the aroma of the tea, improves tea quality, and enhances the harmony and lasting sweetness of the tea soup. The resulting black tea has a complex aroma of flowers and honey, a bright red liquor, a mellow and refreshing taste, and a comprehensive sensory score as high as 95.6.

The invention provides a construction method and system of an artificial river channel imitating a natural landscape pattern, and relates to a construction method of an artificial river channel, the method comprises the following steps: determining a target to be planned and constructed through a fractal geometry theory, the constructed target comprising a landscape type of the artificial river channel, the number of plaques or the total number of the plaques of the artificial river channel; each landscape type plaque edge length and habitat type; a landscape pattern index is calculated according to the constructed target, the landscape pattern index comprises landscape patches, landscape shapes and landscape diversity, and the landscape pattern of the artificial river channel is determined according to the landscape pattern index; according to the landscape pattern of the artificial river channel, referring to landscape heterogeneity and ecological benefits, establishing an artificial river channel landscape pattern model; and evaluating the change of each landscape element of the artificial river. The diversity and stability of the ecological system are improved, and the landscape pattern and the ecological function are optimized.

The invention discloses a plant-microbial protein-based wet food for pets and a preparation method of the plant-microbial protein-based wet food. The pet wet food is prepared from the following raw materials in parts by weight: 30-40 parts of meat raw materials, 10-20 parts of improved soybean drawing protein, 1-10 parts of saccharomyces cerevisiae cell walls and 20-60 parts of water, wherein the improved soybean drawing protein is obtained by uniformly mixing soybean protein isolate powder, pea protein isolate powder and TG enzyme and then performing screw extrusion. According to the formula disclosed by the invention, the self-improved soybean drawing protein, namely a modified raw material which has better flavor and more excellent texture than common soybean drawing protein and is particularly embodied in the aspects of chewiness, tearing strength and the like, is added, and the saccharomyces cerevisiae cell walls in a proper proportion are also added, so that the palatability of the plant-based pet food is improved. In addition, screw extrusion parameter conditions are properly adjusted, and an ultrahigh pressure treatment process in a subsequent link is added, so that the water binding capacity of the product is greatly enhanced, and the yield of the product is improved.

The invention provides a method for preparing propylene glycol from vinyl acetate and application of the propylene glycol. Vinyl acetate, synthesis gas and a first catalyst are subjected to a contact reaction in a hydroformylation reaction unit, part of hydroformylation reaction products are cooled and then returned to control the reaction temperature, and crude acetoxypropionaldehyde, the first catalyst and a solvent or a mixture thereof are separated from the other part of the reaction products under reduced pressure for recycling; the crude acetoxypropionaldehyde and hydrogen are subjected to a contact reaction on a second catalyst, a hydrogenation product is cooled, part of the product is recycled as a solvent, the other part of the product is subjected to a contact reaction with a third catalyst, an organic phase and the catalyst obtained after separation are recycled, and an obtained water phase is fed into a refining unit to sequentially separate 1, 2-propylene glycol, 1, 3-propylene glycol and acetic acid products. The method is safer in raw materials, simple in process, easy to operate, diversified in product composition and high in market adaptability.

The air purifier includes: a first housing including a first suction port and a first discharge port; a first flow path extending from the first suction port to the first discharge port inside the first housing; a first fan and a dust collection filter provided in the first flow path; a second housing including a second suction port and a second discharge port; a second flow path extending from the second suction port to the second discharge port inside the second housing; a second fan provided in the second flow path; a light source provided in the second flow path and irradiating ultraviolet light; and a connection flow path that extends from at least a first portion of the first discharge port to the second suction port, and that is configured so that at least a first portion of the air discharged from the first discharge port flows into the connection flow path through the second suction port and flows to the second flow path.

The invention relates to the technical field of functional materials for soil remediation engineering, in particular to a solid-waste-based metal-organic framework derived porous carbon nanomaterial and a preparation method and application thereof. The invention provides a preparation method of a solid-waste-based metal-organic framework derived porous carbon nano material, which comprises the following steps: mixing a main body material of solid-waste-based binding material powder containing aluminum ions and iron ions with an organic ligand material of micro-plastic to obtain Al / Fe-MOF atash, and further carrying out nitrogen-sulfur hybridization and graphitization treatment to obtain the solid-waste-based metal-organic framework derived porous carbon nano material. The obtained solid waste-based metal-organic framework derived porous carbon nano material has a relatively strong oxidation effect and excellent dispersity. According to the preparation method, the use of the solid waste-based cementing material can be realized to the greatest extent, the preparation cost is low, the preparation process is simple, large instruments and equipment do not need to be used, and industrial application is facilitated.

The present invention provides a complex environment power equipment detection and monitoring device, which belongs to the complex environment power detection and monitoring technical field. It comprises a monitoring and management platform, the front end of the monitoring and management platform is connected with a data transmission line, one end of the data transmission line is connected with a falling object kinetic energy monitoring mechanism, and a 5G mobile communication base station electromagnetic environment detection device is placed on the top of the falling object kinetic energy monitoring mechanism. The present invention plays an important role in ensuring the stable operation of the power system by setting up complex environment power equipment detection and monitoring equipment. The falling object kinetic energy monitoring mechanism can effectively prevent the damage of falling objects to power equipment. The monitoring and management platform has outstanding characteristics of power equipment data monitoring, and provides a comprehensive and intelligent monitoring solution. The online monitoring system of power equipment is rich in composition and can monitor the equipment status in real time. The portable power equipment detection and monitoring system has obvious advantages, and provides a convenient and efficient means for power equipment detection in complex environments.