40results about How to "Weak hygroscopicity" patented technology

The invention discloses a beef flavour powder and a preparation method thereof. The beef flavour powder comprises: dust salt, white granulated sugar powder, glucose powder, gourmet powder, D- xylose, L-cysteine, enzymolysis solution, soy sauce, yeast extract, sesame oil, phosphoric acid, ethyl maltol, IMP, corn starch and beef flavor. The invention adopts the method combining microwave drying technology and compound enzyme enzymolysis technology to produce the beef flavour powder which has good taste, little environmental pollution, stable quality and high safety.

The invention discloses a pork-taste powder and the preparation method thereof. A chicken-taste powder comprises salt powder, white sugar powder, glucose powder, monosodium glutamate powder, D-xylose, isoleucine, enzymatic hydrolysate, soy sauce, yeast extract, sesame oil, chicken oil, Ethyl maltol, GMP, corn flour and chicken essence. The chicken-taste powder prepared by a method with combination of the microwave drying technology and the compound enzyme enzymolysis technology has the advantages of good taste, less environmental pollution, stable quality and good safety.

The invention relates to disposable articles for a laboratory and in particular to prepared reaction vessels for conducting the polymerase chain reaction for analytical and diagnostic purposes. The invention further relates to a method for the stable storage and drying of minute amounts of oligonucleotides and reference nucleic acids in reaction vessels. The oligonucleotides and the nucleic acids are dried on the wall of the reaction vessel in the presence of 1 to 5 mM trehalose, without any further components.

The invention discloses an azithromycin crystallization process with controllable crystal form and grain size. In azithromycin organic solution with the pH value of between 7.0 and 11.0 and the initial concentration of between 80 and 200g.L<-1>, inorganic sodium salt and a solventing-out agent are added, the crystallization temperature is controlled to between 10 and 90 DEG C, the stirring speed is controlled to between 10 and 1,000r.min<-1>, the crystallization is performed by the synergy of elution and salting out, suction filtration is performed after complete crystallization, washing is repeatedly performed by the solventing-out agent, and then vacuum drying is performed. In the process, the aims of stable preparation of crystal form and controllable grain size of the azithromycin are achieved by regulating and controlling preparation conditions. The azithromycin prepared by the crystallization process has the advantages of good stability of crystal form, high purity (more than 99 percent), uniform grain size, good luster, weak hydroscopic property and the like.

To provide novel crystals useful as an ingredient for the production of a diabetes remedy. The invention is concerned with α-form crystal and β-form crystal of (R)-2-(2-aminothiazol-4-yl)-4′-[2-[(2-hydroxy-2-phenyleth-yl)amino]ethyl]acetanilide. The α-form crystal does not exhibit hygroscopicity and has stability such that it can be used as a medicine, and is useful for mass synthesis in the industrial production. The β-form crystal does not relatively exhibit hygroscopicity and is also useful as a production intermediate of the α-form crystal.

The invention discloses a chicken flavour powder and a preparation method thereof. The chicken flavour powder comprises dust salt, white granulated sugar powder, glucose powder, gourmet powder, D- xylose, isoleucine, enzymolysis solution, soy sauce, yeast extract, sesame oil, chicken oil, ethyl maltol, IMP, corn starch and chicken flavor. The invention adopts the method combining the microwave drying technology and compound enzyme enzymolysis technology to produce the chicken flavour powder which has good taste, little environmental pollution, stable quality and high safety.

The invention discloses a preparing method for hyaluronic acid or salt particles of the hyaluronic acid and an obtained product. The hyaluronic acid particle preparing method is a dry process granulation method, the hyaluronic acid or salt powder of the hyaluronic acid is subjected to rolling, pulverizing, fine granulating, screening and discharging through a dry process rolling and granulating method under the situation that a bonding agent is not used, and the hyaluronic acid or salt particles of the hyaluronic acid are obtained. The product has the characteristics of being high in stackingdensity, weak in hygroscopicity, good in mobility and stability and the like; and in the usage process, the advantages that dissolving is easy, adding is convenient, dust waste and pollution are reduced, long-term storage is achieved, and the transportation powdering ratio is low. According to the preparing method, operation is simple, little equipment is needed, a bonding agent and ingredients donot need to be added, influences on the structure and the property of the hyaluronic acid or the salt of the hyaluronic acid are avoided, and industrial production can be achieved.

The invention relates to a controlled availability special fertilizer for cotton, in particular to a controlled availability special BB fertilizer for the cotton which aims at the characteristics of Xinjiang cotton culture and preparation thereof. On the basis of nitrogen, phosphorous and potash fertilizers, a nitrogen inhibitor, a phosphorous activating agent, a micronutrient fertilizer and a high molecular polymer are added into the fertilizer; and then the fertilizer is granulated to obtain the controlled availability special BB fertilizer for the cotton. The controlled availability special BB fertilizer can reduce the speed of nitrogen fertilizer release and the form transformation speed of the nitrogen and also can activate the activity of the phosphorus, so that longevity is longer and utilization rate is higher.

The invention discloses a LaAlO3 / SrTiO3 heterojunction field effect transistor based on a La-based gate and a manufacturing method, and mainly solves the problem in the prior art that gate capacitance has a poor control capability over device channel charges. The LaAlO3 / SrTiO3 heterojunction field effect transistor comprises a SrTiO3 crystal substrate (1) and a LaAlO3 film (2) from bottom to top, and the LaAlO3 film (2) is provided with a source electrode (4), a drain electrode (5) and a gate electrode (6). A gate medium material layer (3) is arranged between the LaAlO3 film (2) and the gate electrode (6) and forms the gate capacitance of the transistor. The gate medium material layer (3) is of a gate stacking structure formed by a La2O3 film (301) and an Al2O3 protection layer (302). According to the invention, the gate medium material is stable in performance and high in dielectric constant, the thermal stability is good, the gate capacitance control capability is high, gate electrode breakdown voltage is high, and the LaAlO3 / SrTiO3 heterojunction field effect transistor based on the La-based gate can be used for manufacturing a high-performance heterojunction field effect transistor device.

The invention belongs to the technical field of the medicine, and specifically relates to a demethylivabradine salt as well as a preparation method and an application thereof. The demethylivabradine salt is a pharmaceutically acceptable salt, wherein the pharmaceutically acceptable salt includes citrate, hydrobromide, sulfate, phosphate, acetate, trifluoroacetate, lactate, acetonate, malonate, succinate, glutarate, fumarate, maleate, ascorbate, oxalate, mesylate, benzene sulfonate and camphorate, and has excellent stability and solubility, and also has low hygroscopicity and remarkable advantages.

The invention provides a moisture absorption module used for a refrigerator and the refrigerator. The moisture absorption module comprises a liquid storage device, a first channel and a first moisture absorption part; the liquid storage device contains liquid-stage liquid with the ice point lower than or equal to the preset threshold value; the first channel is used for conveying air in the exterior space of the refrigerator to a storage compartment of the refrigerator; the first moisture absorption part is made of a moisture absorption material and is arranged in the first channel in a manner of being adjacent to an outlet of the first channel, the temperature of the first moisture absorption part is lower than the temperature of the air in the exterior space of the refrigerator, the first moisture absorption part is partly immersed in the liquid-state liquid in the liquid storage device, liquid-state liquid is absorbed under the siphoning, and therefore the liquid-state liquid absorbed by the first moisture absorption part dissolves at least part of steam in air flowing through the surface of the part; and when the air of the exterior space of the refrigerator flows through the surface of the first moisture absorption part, the liquid-state liquid is used for dissolving the part of steam in the air, and therefore air entering in the storage compartment of the refrigerator can be dehumidified.

The invention relates to the technical fields of foods and drugs, and discloses glossy ganoderma polysaccharide granules and a preparation method and application thereof. The glossy ganoderma polysaccharide granules are prepared by granulating glossy ganoderma polysaccharide raw materials, an adhesion agent, auxiliary materials and an Arabic gum aqueous solution through a fluidization bed, whereinthe auxiliary materials are selected from one or two or more of chitosan hydrochloride, sodium starch phosphate and anhydrous calcium hydrogen phosphate. Through combination of appropriate auxiliarymaterials, through the compounding ratio of raw materials and auxiliary materials, and through combination with an appropriate fluidization bed granulation technology, the prepared glossy ganoderma polysaccharide granules are weak in moisture absorbing properties, good in flowing dispersibility, high in yield and high in medicine carrying amount, and favorable application prospects are provided for storage of glossy ganoderma polysaccharide and shaping of subsequent preparations. The method is low in equipment requirement, simple in technology, and short in production cycle, the production cost is greatly reduced, the production efficiency is improved, and the glossy ganoderma polysaccharide granules are suitable for mass production and application.

The invention discloses a moistureproof type flame retardant which comprises the following components by weight: 80-150 parts of magnesium hydroxide, 3-9 parts of a silane coupling agent, 3-10 parts of sodium stearate, 10-20 parts of zinc oxide, and 3-8 parts of a lubricant. The flame retardant disclosed by the invention is low in production cost, poor in moisture absorption, and small in losing tendency, does not generate deliquescence and efflorescence phenomena, and is suitable for use as an upgraded type artificial board flame retardant.

A beef flavoring powder and a preparation method thereof. The beef flavoring powder is prepared from following raw materials, by weight: 300.0-420.0 parts of salt powder, 200.0-280.0 parts of sugar powder, 18.0-22.0 parts of glucose powder, 150.0-200.0 parts of monosodium glutamate powder, 8.0-12.0 parts of D-xylose, 1.5-2.5 parts of L-cysteinate, 160.0-240 parts of an enzymatic hydrolysate, 80.0-120 parts of soybean sauce, 50.0-80 parts of yeast essence, 7.0-9.0 parts of sesame oil, 1.5-2.0 parts of phosphoric acid, 2.0-2.5 parts of ethyl maltol, 8.0-9.0 parts of IMP, 400.0-500 parts of corn starch and 12.0-15.0 parts of a beef essence base. The enzymatic hydrolysate is prepared by adding water to crushed soya bean protein, adding a neutral protease and a composite flavor protease and performing double-enzyme hydrolysis, wherein the components for preparing the enzymatic hydrolysate comprise, by weight: 100-140 parts of the soya bean protein, 100-140 parts of water, 0.4-0.6 parts of the neutral protease and 0.4-0.6 parts of the composite flavor protease. The double-enzyme hydrolysis is carried out through following steps: (1) heating the components to 90 DEG C for 10 min; (2) decreasing the temperature to 55 DEG C; (3) performing enzyme hydrolysis for 4 h and performing enzyme deactivation in water at 95 DEG C for 30 min; and (4) adding 10% of salt to obtain the enzymatic hydrolysate.

The invention discloses a jevtana solvate and a preparation method and application thereof. The solvate is a crystalline formed by solvating jevtana and ethyl acetate, and contains ethyl acetate with the mass ratio of 8-10%. The jevtana solvate has the advantages of high stability and weak moisture absorption, and is beneficial to preparing preparations with the quality meeting a criterion. The preparation method has remarkable advantages of being simple to operate, stable in quality, high in yield, low in cost, energy saving and environmentally friendly, meets the industrial production requirement and has extremely strong practical value and wide application prospect.

The invention relates to a compound ganoderma lucidum spore powder and a preparation method thereof. The compound ganoderma lucidum spore powder comprises raw material medicines and auxiliary materials. The raw material medicines comprise the following components in parts by weight: 1-50 parts of wall-broken ganoderma lucidum spore powder, 1-60 parts of milk-vetch root extract, 1-18 parts of ginseng extract and 1-24 parts of glossy privet fruit extract; and the auxiliary materials comprise pre-gelatinized starch and microcrystalline cellulose. The compound ganoderma lucidum spore powder granules have weak hygroscopicity, short disintegration time limit and good granule fluidity, meet product requirements, and are suitable for continuous filling, production, transportation and storage. In addition, animal function experiments prove that the compound ganoderma lucidum spore powder granules have an obvious function of enhancing the immunity of experimental animals.

The invention discloses a preparation method of health-care shitake wine. The preparation method sequentially comprises the following steps: cleaning, microwave sterilizing, cooling, crushing, filtering, fermenting and blending. due to the adoption of the preparation method, waste shitake stems can be prepared into the health-care shitake wine which has an orange yellow color and is clear, transparent, free of impurities and foreign bodies, mellow in wine flavor and sweet in taste, so that the production cost is low, and waste is turned into treasure; the economic benefits of shitake production are increased; the application range of shitake is widened.

The present invention discloses dry powder based on a yersinia pestis attenuated vaccine. The dry powder is prepared from the following raw materials in parts by weight: a group A of raw materials anda group B of raw materials; the group A of the raw materials comprise a live yersinia pestis attenuated vaccine, 5-10 parts of oligosaccharide, 8-15 parts of amino acids, 10-15 parts of vitamins, 15-30 parts of mixed colloid, 5-9 parts of a casein hydrolysate, 10-15 parts of an emulsifier, 1-3 parts of glycerol, 2-4 parts of trace elements, 6-9 parts of an antioxidant, 10-15 parts of water and 2-4 parts of a pH regulator; and the group B of the raw materials comprise 10-15 parts of honeysuckle flowers, 10-15 parts of radix scutellariae, 4-6 parts of rhizoma coptidis, 4-6 parts of radix isatidis, 10-15 parts of fructus forsythiae and 1-3 parts of radix scrophulariae. The dry powder based on the yersinia pestis attenuated vaccine is low in water content, weak in moisture absorption capacityand beneficial to storage and transportation, has effects of relieving exterior syndromes and clearing away heat and toxic materials on body of a patient while aiming at yersinia pestis, improves a cure rate, and is suitable for patients of all ages.

The invention discloses a method for improving sagging and slipping performance of an automobile coating adhesive by adopting laponite. The automobile coating adhesive is prepared from the following raw materials in parts by mass: 20-30 parts of polyvinyl chloride resin, 30-40 parts of a plasticizer, 30-50 parts of an inorganic filler, 0.4-2 parts of laponite XLS and 1-3 parts of a tackifier. According to the invention, the laponite is selected to replace fumed silica to adjust the viscosity of the coating adhesive, so that the sagging and slipping problems of the coating adhesive in the vertical placement and baking process are well relieved. And the wet film moisture resistance of the coating adhesive can be improved, and the problem of surface blistering in the heating and curing process of the coating adhesive is solved.

The invention belongs to the field of pharmaceutical preparations and discloses a class of metformin salts and a preparation method and application thereof. The preparation method of this type of metformin salt includes the following steps: weighing the raw material drug of metformin and pharmaceutical excipient acid, uniformly mixing, and then ball-milling and passing through a 154 μm stainless steel mesh to obtain the metformin salt. Described pharmaceutical excipient acids are 1-naphthaleneacetic acid, 1-hydroxy-2-naphthoic acid, 2-hydroxy-3-naphthoic acid, 2-naphthoic acid, 1,5-dihydroxynaphthalene, 3,7-dihydroxy A kind of in 2-naphthoic acid and 2,3-dihydroxynaphthalene. Compared with the original metformin base, these new metformin salts of the present invention have weak hygroscopicity, good solubility in water, can slow down the inherent dissolution rate of metformin, are more stable, and make it easier to store, and are expected to improve the bioavailability of metformin base. . Such metformin salts will have the prospect of being applied to metformin drugs.

The invention relates to a preparation method for freeze-dried bamboo weevil buccal tablets. The preparation method is characterized by successively comprising the following steps of preprocessing, ultrasonic washing, sterilizing, cooling, traying, quick-freezing, vacuum freeze-drying and tabletting. Through the preparation method provided by the invention, bamboo weevils can be better washed, and at the same time, the preparation method also has a sterilization function; microorganisms contained on limbs of the bamboo weevils can be killed; under the condition that the special flavor of original products is not destroyed, the fresh degree of the freeze-dried bamboo weevil buccal tablets is increased; the quality guarantee period of products is greatly prolonged; the prepared freeze-dried bamboo weevil buccal tablets are rich in nutrition and high in market values, so that the freeze-dried bamboo weevil buccal tablets are especially suitable for people with rheumatic arthralgia.

The invention belongs to the technical field of medicine, and in particular relates to nor-ivabradine salt and its preparation method and application. The norivabradine salt is a pharmaceutically acceptable salt, and the pharmaceutically acceptable salt includes citrate, hydrobromide, sulfate, phosphate, acetate, trifluoroacetic acid Salt, lactate, pyruvate, malonate, succinate, glutarate, fumarate, tartrate, maleate, ascorbate, oxalate, methanesulfonate, benzene Sulfonate and camphorate, which have good stability and solubility, and have low hygroscopicity, have significant advantages.

The invention discloses a palmatine hydrochloride-aspirin supramolecular compound as well as a preparation method and application thereof, and belongs to the technical field of medicine crystallization. The structural unit of the pharmaceutical co-crystal comprises palmatine hydrochloride molecules, aspirin molecules and water molecules, the molar ratio of the palmatine hydrochloride molecules to the aspirin molecules to the water molecules is 1: 1: 1, and the molecular formula of the pharmaceutical co-crystal is [C21H22ClNO3]. [C9H8O4]. H2O. The palmatine hydrochloride-aspirin supramolecular compound is prepared by mixing a palmatine hydrochloride hydrate and aspirin in a solvent according to a molar ratio of 1: 1 and carrying out spray drying, evaporation or suspension stirring and other processes, the preparation method is green and efficient, and the supramolecular compound is high in light stability, wet stability and thermal stability and weak in hygroscopicity, and can be used for preparing the palmatine hydrochloride-aspirin supramolecular compound. The compound has good human colorectal cancer cell inhibition activity, and can be used as an active component for preparing a pharmaceutical composition or a health care product for treating or preventing colorectal cancer.

The invention relates to the technical field of food and medicine, and discloses a ganoderma lucidum polysaccharide granule, a preparation method and application thereof. The Ganoderma lucidum polysaccharide granules of the present invention are granulated from Ganoderma lucidum polysaccharide raw materials, binders, auxiliary materials and gum arabic aqueous solution through fluidized bed granulation, and the auxiliary materials are selected from chitosan hydrochloride, sodium starch phosphate and anhydrous hydrogen phosphate One or more of calcium. In the present invention, by selecting a suitable combination of auxiliary materials and the ratio of raw and auxiliary materials, combined with a suitable fluidized bed granulation process, the prepared Ganoderma lucidum polysaccharide particles have weak hygroscopicity, good fluidity and dispersibility, and high yield and drug loading. The storage and subsequent preparation of polysaccharides provide good application prospects. Moreover, the method has low requirements on equipment, simple process, short production cycle, greatly reduces production cost, improves production efficiency, and is suitable for large-scale production.

The present invention relates to a preparation method for freeze-dried bamboo weevil health care products, the preparation method is characterized in comprising the following steps in sequence: pretreating, ultrasonic cleaning, sterilizing, cooling, dishing up, quick freezing, vacuum freeze-drying and rolling capsule. The present invention can freshen the freeze-dried bamboo weevil without destroying the flavor of the original products, and greatly prolongs the shelf life of the freeze-dried bamboo weevil health care products. The produced freeze-dried bamboo weevil capsules containing spiral algae are rich in nutrients, has high market value and are especially suitable for people suffering from rheumatic arthralgia syndrome.