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466results about How to "Extract completely" patented technology

Method for preparing tobacco sheet and application thereof

The invention discloses a method for preparing tobacco sheets and an application of the method. In the method, enzymolysis is implemented when the tobacco stalk and the tobacco powder are soaked, solid-liquid separation is implemented after extraction, the solids are made into fiber sheet substrates, liquid is made into concentrated solution by alcohol precipitation and concentration, the concentrated solution is made into coating liquid by maillard reaction and coated on the fiber sheet substrates, and the fiber sheet substrates are dried and cut into tobacco sheets. In the invention, the macromolecular compounds that influence the quality of the tobacco sheets are sufficiently degraded by enzymolysis, the content of the impure taste in the tobacco sheets is decreased, the internal quality of the tobacco sheets is improved, and better aroma is obtained by the technical solution that produces prospective aroma by the maillard reaction to provide a rich aroma for the tobacco sheets so as to obtain tobacco sheet products fitting different types of cigarette products and having better internal quality. The tobacco sheets prepared by the method have excellent compatibility and harmonywith the conventional raw materials of the cigarettes, and have the advantages of good cigarette taste, various and rich aromas and less impure taste.
Owner:CHINA TOBACCO GUANGDONG IND

Preparation method of traditional Chinese medicine ultrafine formula particles

The invention discloses a preparation method of traditional Chinese medicine ultrafine formula particles. The preparation method comprises the following steps that: single Chinese medicinal material or traditional Chinese medicine decoction pieces are partially ultrafine-crushed into ultrafine powder, the other parts are coarse-crushed, extracted, concentrated, dried and crushed to obtain dry extract powder, the ultrafine powder and auxiliary materials are added to obtain mixture, and the obtained mixture is mixed uniformly, palletized, granulated and subpackaged. The traditional Chinese medicine ultrafine formula particles is characterized in that the characteristics of the traditional Chinese medicine ultrafine decoction pieces of saving medicine materials and being controllable in quality and convenient in administration. Compared with the traditional Chinese medicine formula particles, the preparation method better preserves the medicinal properties of the traditional Chinese medicines, has the advantages of little used amount of auxiliary materials, convenient identification, benefit to measuring the content of index ingredients, preserves the advantages that the traditional Chinese medicine decoction piece can be added and reduced according to the disease and the traditional decoction has unique curative effect, also overcomes the defects of troublesome decoction and inconvenient administration, and has advanced technique and controllable quality. The invention also discloses a processing method of the Chinese medicinal material, which extracts the raw medicinal materials partially, carries out ultrafining treatment partially and then carries out mixing. The method can obvious improve the utilization ratio and leachability of the Chinese medicinal materials.
Owner:湖南省中医药研究院

Process for producing ginkgo extract

The invention relates to a process for producing ginkgo extract and belongs to the technical field of plan extraction. The process comprises the following steps of: adding ginkgo leaves serving as raw materials into 50 to 70 percent ethanol of which the weight is eight times that of ginkgo leaves serving as the raw materials to perform leaching three times, wherein the leaching temperature is 70 DEG C; collecting extracting solution, evaporating the extracting solution under vacuum, recovering ethanol, centrifuging the extracting solution and collecting supernatant solution; and subjecting the extracting solution to the centrifugal treatment by a macroporous resin chromatographic column of which the diameter-to-height ratio is 1:10, leaching the extracting solution in turn with 5 to 15 percent ethanol until the eluate is clear and bright, desorbing the extracting solution with 75 percent ethanol, after desorption, collecting desorbing solution, allowing the desorbing solution to pass through a macroporous resin chromatographic column of which the diameter-to-height ratio is 1:30, collecting the desorbing solution, decompression-recovering ethanol, condensing the desorbing solution into thick paste, and vacuum-drying the thick paste to obtain the ginkgo extract. The process adopts multiple leaching and multistage centrifuging, and also adopts a double-time desorbing method of coarse extraction and refined extraction, so that the contents of the active components are greatly improved; and the ginkgo extract with different ratios of active components can be prepared as required.
Owner:应维强

Blueberry leaf health care beverage and preparation method thereof

The invention provides a blueberry leaf health care beverage. The beverage comprises the following materials in weight portion: 30 to 50 portions of blueberry leaf, 10 to 30 portions of blueberry fruit, 5 to 10 portions of seabuckthorn fruit, 10 to 20 portions of rose hip and 10 to 20 portions of cordyceps militaris, and active ingredients of the materials are extracted by microwave technique to prepare the beverage. In all materials, vitamin C is abundantly contained, particularly, cyanidin composition and flavonoid contained in the blueberry leaf can delay ageing, improve the immunity of human body and obviously improve eyesight of people and has a plurality of physiological activities such as blood sugar and blood fat adjustment, and the like; the cyanidin composition is a natural bacteriostat, colorants and bacteriostats are not necessary to be added, and flavoring agents such as citric acid are not necessary to be added to regulate the acidity, which is more helpful to the health of human body. By the verification of experiments and the experience of people, the health care beverage is easily absorbed by human body and taken conveniently, and can obviously improve the eyestrain of human body; moreover, the health care beverage also has the characteristics of unique formula, reasonable composition, simple process, body building-up, remarkable function and the like.
Owner:ANTU WANGMIN CHANGFU AGRI DEV

Method for preparing uranium adsorption material with intercalation structure by use of oil shale ash as raw material

ActiveCN103349960AGood uranium adsorption functionGood uranium adsorption performanceOther chemical processesSolid waste disposalChemical compositionStructure of the Earth
The invention provides a method for preparing a uranium adsorption material with an intercalation structure by use of oil shale ash as a raw material. The method comprises the following steps: crushing and grinding the oil shale ash to 100 meshes, adding NaCl accounting for 30 to 60% of oil shale ash by mass, and calcining for 3 to 10 hours at a temperature of 800 to 1400 K and air drying; adding an acid solution by 2 to 20 mL per gram of the oil shale ash, and after extraction, carrying out residue separation to obtain an extraction solution; through a method of adding metal ions, adjusting the ratio of the total mole amount of three-valent and four-valent matal ions to the total mole amount of divalent metal ions in the extraction solution to be 1:5-1:2, adjusting the pH of the solution to be 5-12, and further stirring for 10 to 1000 min or hrdro heating for 120 to 3600 min by transferring to a hydro-thermal kettle at a temperature of 373 to 433 K; and filtering, washing and drying to obtain the uranium adsorption material with the intercalation structure. The preparation method provided by the invention is simple in preparation technology and low in production cost, and is free from the restrictions of chemical composition differences of the oil shale ash, thereby facilitating the harmlessness, resource and functionalization utilization of industrial waste, i.e, the oil shale ash.
Owner:哈尔滨海能拓科技发展有限公司

HPLC-ELSD (high performance liquid chromatography-evaporation light-scattering detection) measuring method of grape berry sugar

The invention discloses an HPLC-ELSD (high performance liquid chromatography-evaporation light-scattering detection) measuring method of grape berry sugar, belonging to the technical field of food sugar detection. The method comprises the following steps: firstly, juicing and homogenizing grapes, ultrasonic extracting the juice, and then, centrifuging the juice, taking the supernatant, filtering the supernatant and using the filtrate as a test sample; respectively preparing standard working solutions with a series of concentrations of glucose, fructose and sucrose; the chromatographic conditions are as follows: a polystyrene-divinyl benzene bonded amino sugar column serves as a chromatographic column, the mobile phase is a mixture of acetonitrile and water with volume ratio of 70-80:30-20, and the flow velocity is 1mL/min, the column temperature is 30-35 DEG C, the detector is ELSD, the temperature of a detecting pool is 40-80 DEG C, and the sample size is 10 microliters; and then inspecting linear dependence and precision, and detecting stability and sample recovery. The method provided by the invention is simple and convenient to operate, small in time consumption, good in measurement result repeatability, high in precision and capable of accurately and quickly measuring the contents of glucose, fructose and sucrose in grape berry.
Owner:SICHUAN AGRI UNIV

Production technology of grape pip and grape skin extract

The invention relates to a production technology of grape pip and grape skin extract, belonging to the technical field of plant extract. The production technology comprises the following steps: adding the raw materials of grape pip and grape skin into 50-70% of alcohol the volume of which is eight times of the raw materials; extracting the grape pip and grape skin at the extracting temperature of 70 DEG C for three times; collecting the extraction solution, vacuum evaporating, recovering the alcohol and collecting supernate after centrifugation; carrying out chromatographic column on the centrifuged extraction solution in macroporous resin with the diameter height ratio of 1:10; eluting with 5-15% of alcohol in batch until the eluate is clear; desorbing with 70% of alcohol, collecting the desorption solution after desorption; carrying out chromatographic column on the centrifuged extraction solution in macroporous resin with the diameter height ratio of 1:10; collecting the desorption solution, decompressing and recovering the alcohol, concentrating into thick paste, and vacuum drying to obtain the grape pip and grape skin extract. The production technology of the invention adopts multi-time extraction, multistage centrifugation and two-time desorption method of crude extract and fine extract, thus greatly improving the content of effective components.
Owner:应维强

Composite extracting method for forsythin, forsythiaside A and rutin in forsythia suspense leaves

The invention relates to a composite extracting method for forsythin, forsythiaside A and rutin in forsythia suspense leaves, which is characterized in that forsythin in forsythia suspense leaves is used as a nonpolar compound, and is easily dissolved in organic solvents such as methanol and ethanol and is difficultly dissolved in water, forsythiaside A is a polar compound, and is easily dissolved in water, methanol, ethanol and the like, and rutin is easily dissolved in methanol and hot ethanol and difficultly dissolved in water, through ethanol extraction, macroporous absorption resin separation and anti-phase silica gel column chromatography continuous extraction technology, forsythin, forsythiaside A and rutin can be performed with composite extraction in forsythia suspense leaves, the effective active components of forsythia suspense leaves can be completely extracted, and the resource of forsythia suspense leaves can be used in a reasonable mode; The method uses adsorption and desorption of macroporous adsorption resin to separate forsythin, forsythiaside A and rutin, forsythiaside A can be purified by using anti-phase silica gel and completely separated, the purity is high, the technology condition is simple, and the method provided by the invention is suitable for industrial production.
Owner:北京金翘生物科技有限公司

Traditional Chinese medicine for preventing and controlling respiratory diseases of animals

The invention discloses a traditional Chinese medicine for preventing and controlling respiratory diseases of animals, which is prepared from the following components in percentage by weight: 9 to 17 percent of liquoric root, 6 to 14 percent of gypsum, 4 to 12 percent of root of large-flowered skull, 3 to 11 percent of honeysuckle, 3 to 11 percent of sweeping forsythia, 2 to 10 percent of root bark of white mulberry, 2 to 10 percent of dried tangerine, 2 to 10 percent of tangerine seed, 2 to 10 percent of hawthorn, 2 to 10 percent of loguat leaf, 2 to 10 percent of root of straight ladybell, 3 to 7 percent of whiteflower hogfennel root, 3 to 7 percent of semen armeniacae amarae, 3 to 7 percent of rhizoma anemarrhenae, 1 to 3 percent of bryozoatum and 1 to 3 percent of borneol. By adopting the formula, from the screening of raw materials to the extraction and proportioning of active ingredients, a slow release / controlled release and targeting drug delivering technology is applied, so the medicine can effectively and quickly reach lesion sites, has the advantages of quick response, short treatment time, small side effect, convenient use, strong pertinence and high protectiveness, maintains the blood concentration in an effective treatment range, and effectively prevents and controls non typical Newcastle disease, bird flu, infectious laryngotracheitis, infectious bronchitis, colibacillus, mycoplasmosis and unexplained animal diseases such as head and face swelling and expiratory dyspnea.
Owner:河南天纳图生物科技有限公司

Method for circularly extracting protein and humus from residual sludge after dehydration by combining ultrasonic method with acid process

The invention provides a method for circularly extracting protein and humus from residual sludge after dehydration by combining an ultrasonic method with an acid process and relates to a method for extracting the protein and humus from the residual sludge. The method disclosed by the invention can be used for solving the technical problems that the existing sludge recycling method only can extract single substance from the sludge, maximum use of resource can not be realized and biodegradability is poor. The method disclosed by the invention comprises the following steps: firstly, ultrasonically cracking the dehydrated residual sludge which is produced by a municipal sewage treatment plant under the acidic condition; secondly, standing and settling for promoting precipitation of protein; thirdly, centrifuging and extracting the protein; fourthly, filtering and separating the humus, and recycling filtrate. The method has the advantages that the protein and humus can be extracted at the same time, extraction is complete, biodegradability of the sludge left after extraction is increased to 75.7% from 40.2%, and the method can be applied to the field of resource recycling treatment of municipal sludge.
Owner:哈尔滨工业大学高新技术开发总公司
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