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168results about How to "High extraction rate" patented technology

Double-alga fertilizer and preparation method thereof

ActiveCN103771918AHigh extraction rateImprove function and effect
The invention provides a double-alga fertilizer and a preparation method thereof. The preparation method comprises the following steps: pretreating green algae and brown algae; extracting double-alga polysaccharides: performing composite enzymatic hydrolysis, adding a polysaccharide degrading enzyme, specifically degrading the double-alga polysaccharides to degrade active polysaccharide fragments, and performing centrifugal separation in a hot state to obtain double-alga enzymatic hydrolysate and double-alga residues; performing ultrafiltration on the enzymatic hydrolysate to obtain a double-alga polysaccharide fertilizer additive, performing reverse osmosis concentration on an ultrafiltration waste liquid to obtain a total-micro double-alga foliage fertilizer, and drying and pelletizing double-alga residues left after enzymolysis to obtain a double-alga organic particle fertilizer. According to the method, a novel alga fertilizer is prepared by extracting active ingredients from brown alga and green algae by means of the modern biotechnology, so that the extraction rates of the effective components in double algae are increased. The double-alga polysaccharides are degraded specifically, so that the acting effect is enhanced. Moreover, double-alga resources are utilized fully, and the double-alga polysaccharide fertilizer additive, the double-alga organic particle fertilizer and the double-alga total-micro foliage fertilizer are prepared at the same time.
Owner:青岛海大生物集团股份有限公司

Method of extracting cynomorium songaricum polysaccharide through enzyme treatment and preparation of cynomorium songaricum polysaccharide antineoplastic agents

The invention discloses a preparation method of cynomorium songaricum polysaccharide and a preparation method of cynomorium songaricum polysaccharide antineoplastic agents. The cynomorium songaricum polysaccharide mainly exits in cells or cell walls. According to the preparation method, enzyme agents are added in the extracting process, the cell walls can be degraded under a mild condition, cells without cell walls are broken through high-speed stirring, the release of polysaccharide is promoted, and the effect of improving the extracting rate is achieved. The preparation method improves the extracting rate of the cynomorium songaricum polysaccharide by 10-65% compared with a traditional water extract and alcohol precipitate method, and improves the content of the cynomorium songaricum polysaccharide by 5-40%. The preparation method is simple in process, low in extracting cost, and suitable for industrialized production. The prepared cynomorium songaricum polysaccharid extracted through the method is high in purity, and the ynomorium songaricum polysaccharide agents can be directly prepared and have various effects such as immunity enhancement, fatigue prevention and tumor prevention, and are suitable for tumor patients.
Owner:甘肃凯源生物技术开发中心有限责任公司

Method for purifying and separating phenolic compounds in magnolia medicament

The invention relates to a method for extracting and separating phenolic compounds of magnolia through supercritical CO2 liquid technology. The method comprises the following steps that: magnolia is pulverized into dry powders with 20 to 60 meshes; the dry powders are thrown into an extraction kettle; the extraction kettle, a resolution kettle I and a resolution kettle II are heated respectively; carbon dioxide is injected to the extraction kettle and two resolution kettles through a high-pressure pump; the flow speed of the carbon dioxide liquid and the flow speed of an entrainer are adjusted to begin extraction, and the constant temperature and pressure and the stability of a system are kept for circular extraction; after every circulation for thirty minutes, the materials are discharged from the resolution kettle I and the resolution kettle II to obtain a flaxen extractant; the flaxen extractant obtained by the resolution kettle I and the resolution kettle II is dissolved by petroleum ether in proper amount, kept stand and filtered; the petroleum ether is reclaimed from the filtrate; the filtrate is recrystallized by a recrystallization solvent to obtain magnolol and mixed total phenol of the magnolol; the mixed total phenol is recrystallized to obtain a magnolol crystal; and after a mother solution is concentrated, the mother solution is recrystallized by the recrystallization solvent to obtain the magnolol crystal.
Owner:GUANGZHOU HONSEA SUNSHINE BIOTECH CO LTD

Natural plant fungicide and preparation method thereof

The invention provides a natural plant fungicide and a preparation method of the natural plant fungicide. The natural plant fungicide is prepared by mixing 60-80wt% of chinaberry seed extract, 3-20wt% of tea seed extract and 10-30wt% of soapberry gleditsia sinensis alcohol extract. The preparation method comprises the steps of squeezing the soapberry, and removing stones; soaking the treated soapberry by gleditsia sinensis alcohol liquid; heating and pulping; filtering and taking a filtrate; adding alkaline protease and carrying out hydrolysis; concentrating, filtering and taking the filtrate to obtain the gleditsia sinensis alcohol liquid for the soapberry. According to the natural plant fungicide and the preparation method of the natural plant fungicide, all-natural plant extracts are adopted; due to scientific extraction, the extraction rate is effectively improved; the extracted product is good in water solubility; due to the reasonable compatibility of the multiple different extracts, better sterilization, antibiosis and bacteriostasis synergy effect can be achieved; the natural plant fungicide does not contain chemical additives, thus being non-toxic, harmless and free from side effects to the human body and high in safety, and free from environmental pollution; therefore, the natural plant fungicide is widely applied to the fields such as food, cosmetics, personal cleaning supplies, home cleaning products, daily chemical products, etc.
Owner:GUANGZHOU HENGGUANG COMPOSITE MATERIAL CO LTD

Preparation method of SiC/C-AlPO4-mullite antioxidation coating for C/C composite material

ActiveCN102674903AHigh extraction ratefull and full response
The invention relates to a preparation method of an SiC/C-AlPO4-mullite antioxidation coating for a C/C composite material, which comprises the following steps: mixing silicon powder and graphite powder to obtain powder A; mixing Al2O3 powder, WO3 powder and B2O3 powder to obtain powder B; mixing the powder A and the powder B to obtain embedded powder C; putting a sample in a graphite crucible, adding the embedded powder C, putting the graphite crucible in a vertical vacuum furnace, heating to react while introducing argon as a protective atmosphere, cooling to room temperature, and cleaning with anhydrous alcohol in ultrasonic waves to obtain a silicon carbide transition layer for the C/C composite material; adding the C-AlPO4 and the mullite powder into methanol, adding iodine to obtain a suspension, and putting the suspension in a hydrothermal kettle, wherein the cathode adopts the C/C composite material with the silicon carbide transition layer; and sealing the hydrothermal kettle, putting the hydrothermal kettle in an ultrasonic-microwave generator, depositing, taking out the sample, and drying to obtain the SiC/C-AlPO4-mullite antioxidation coating for the C/C composite material. The composite coating can protect the C/C composite material at 1500 DEG C in static air for 322 hours, and the oxidative weight loss is less than 2%.
Owner:深圳市贝尔新材料科技有限公司

Method for extracting and purifying monomeric macamide compounds from maca

The invention discloses a method for extracting and purifying monomeric macamide compounds from maca. The method comprises the steps of smashing plant maca into maca powder, adding an alcohol-acid water solution to carry out multistage countercurrent extraction, and carrying out vacuum concentration after filtering an extracting solution to obtain crude macamide; and separating and purifying by using macroporous adsorption resin, carrying out gradient elution, collecting an eluant, and respectively carrying out vacuum concentration to obtain the monomeric macamide compounds. Because the macamide compound has favorable and stable physical properties under a weak acid condition, a multistage countercurrent extraction method is carried out by using the alcohol-acid water solution, and the alcohol-acid water solution can be used for protecting effective components of macamide during extraction and greatly increasing the extraction ratio of the effective components in maca plants; the macroporous adsorption resin can be repeatedly utilized; the alcohol-acid water solution serving as a solvent is economical and practical; the high-purity monomeric macamide compounds can be conveniently and efficiently obtained, and the purity of each monomeric compound is up to more than 95%; and the method is simple in process, simple and convenient to operate, low in cost and suitable for batch production.
Owner:JIANGSU HUIBO BIOTECH

SepHaniadelavayi Diels total alkaloid extraction and purification technology

The invention discloses a SepHaniadelavayi Diels total alkaloid extraction and purification technology comprising the steps of extraction: performing percolation on coarse powder of SepHaniadelavayi Diels medicinal materials, adjusting the pH value of percolation liquid through stronger ammonia water to obtain precipitate, and drying the precipitate in a vacuum drier to constant weight to obtain SepHaniadelavayi Diels total alkaloid; separation: making the SepHaniadelavayi Diels total alkaloid to SepHaniadelavayi Diels sample liquid, and adsorbing the SepHaniadelavayi Diels sample liquid by virtue of a processed adsorption column filled with macroporous adsorption resin; and purification: performing elution on the sample sequentially with distilled water and ethanol solution with the concentration being 75% after adsorption, collecting eluate, and drying the eluate by distillation to obtain dry paste. The technology has the beneficial effects that all alkaloid in SepHaniadelavayi Diels can be extracted once, and the extraction efficiency is high, thereby being beneficial to the comprehensive utilization of precious natural resources; the adsorptive capacity of the macroporous adsorption resin on the alkaloid is strong, the elution is easy and convenient, the elution rate is high, and the purity is high; and the process steps are less, the operation is simple, and thus the technology is convenient to be applied to practical production.
Owner:CHENGDU YUQUAN LVJIAN TECH

Preparation method for compound traditional Chinese medicine preparation children common cold granules

The invention provides a preparation method for compound traditional Chinese medicine preparation children common cold granules, and relates to a preparation method for a compound traditional Chinese medicine preparation. The preparation process comprises the following steps: crushing 1/5 dose of gypsum and indigowoad root, carrying out vacuum drying, and crushing by using a jet mill to obtain micropowder to provide a spare use; carrying out extraction on rehmannia, blackend swallowwort root and rhizome, Chinese wolfberry root bark, gypsum, chrysanthemum and indigowoad leaf by adopting water as a solvent to obtain a water extract filtrate; carrying out distillation extraction on patchouli, peppermint and weeping forsythia fruit to obtain volatile oil; filtering the residual aqueous solution after volatile oil extraction, and carrying out merging and concentration on the filtered aqueous solution and the water extract filtrate extracted through ultrasonic extraction to obtain an extract to provide a spare use; adopting beta-cyclodextrin to carry out inclusion on the volatile oil extracted through steam distillation extraction to obtain the volatile oil beta-cyclodextrin inclusion complex to provide a spare use; and mixing the traditional Chinese medicine water extraction extract, the traditional Chinese medicine jet milling micropowder, sucrose powder and dextrin to prepare into granules, drying, adding the volatile oil beta-cyclodextrin inclusion complex, and uniformly mixing to obtain the children common cold granules, wherein the children common cold granules have characteristics of fine granule and easy absorption by human bodies, and adverse drug absorption effects on human bodies due to absorption difference are eliminated at a maximum.
Owner:JIANGXI POZIN PHARMA

Feed additive capable of replacing antibiotics as well as preparation method and application of feed additive

ActiveCN104000014AHigh extraction rateActive
The invention belongs to the field of an agricultural feed additive, and discloses a feed additive capable of replacing antibiotics as well as a preparation method and the application of the feed additive. The feed additive comprises the following raw material extracts in parts by weight: 20-50 parts of cinnamomum camphora leaves, 10-30 parts of eucalyptus leaves, 10-30 parts of pine needles, 5-20 parts of cacumen biotae and 5-20 parts of folium artemisiae argyi. The preparation method comprises the steps of (1) carrying out supercritical carbon dioxide extraction on the raw material mixture to obtain an extract and residues; (2) mixing the extract with beta-cyclodextrin water solution, grinding, carrying out suction filtration, and carrying out vacuum drying to obtain a first product; (3) extracting the residues by ethanol water solution, filtering, carrying out vacuum concentration, and carrying out vacuum drying to obtain a second product; and (4) evenly mixing the two products to obtain the feed additive. The feed additive can be used for replacing the antibiotics to be added into the animal feed; the add amount of the feed additive is 0.01-0.5%; the feed additive can be used for improving the disease resistance of livestock and poultry and controlling bacteria infection diseases of livestock and poultry.
Owner:湖南东方红药业有限公司

Extraction method of mythic fungus multi-sugar alcohol

The invention discloses an extraction method of mythic fungus multi-sugar alcohol. The extraction method comprises the following steps: (1) cutting dry fruiting bodies in varieties of mythic fungus, ganoderma lucidum karst and ganoderma sinensis into blocks or slices; (2) adding sections into a 50-75 percent ethanol solution, carrying out reflux extraction, and then carrying out interlayer steam reflux heating extraction by using a 75 percent ethanol solution and a 60 percent ethanol solution sequentially; (3) combining three return flows, standing for 18-24h, sucking up a supernatant, and concentrating; (4) adding a 95 percent ethanol solution in a concentrated solution until the alcohol content is 70 percent, standing for 18-24h, sucking up a supernatant, and concentrating to obtain an extract liquid; and (5), drying, namely, spray drying the extract liquid to obtain extract powder. According to the extraction method of the mythic fungus multi-sugar alcohol disclosed by the invention, as the mythic fungus multi-sugar alcohol is extracted by using an alcohol extraction method, the extraction rate of the lucidum polysaccharide is high, the effective components including triterpenes, alkaloids and nucleosides in the fruiting bodies of mythic fungi can also be completely extracted, and thus resource waste is avoided, and the extraction efficiency is improved.
Owner:孙继勇

Method for continuously extracting flaxseed gum and lignan from flaxseed husks

ActiveCN102850414AImprove solvencyHigh extraction rate
The invention discloses a method for continuously extracting flaxseed gum and lignan from flaxseed husks. The method comprises the following steps of 1, crushing flaxseed husks, adding a certain amount of water into the crushed flaxseed husks, stirring with heating until water boiling, and carrying out solid-liquid separation at a water boiling point, 2, concentrating a liquid phase separated by the step 1, adding a certain amount of alcohol into the concentrated solution, stirring and carrying out solid-liquid separation, 3, drying a solid phase separated by the step 2, crushing to obtain flaxseed gum, and recovering alcohol for next treatment, 4, adding alcohol separated by the step 2 into a solid phase separated by the step 1, carrying out dilution, stirring, and carrying out solid-liquid separation, and 5, transferring the alcohol recovered by the step 3 and a liquid phase separated by the step 4 into an alcohol rectifying tower, recycling a distillate of high-concentration alcohol, collecting a rectifying product liquid, adding an inorganic alkali solution into the rectifying product liquid for alkaline hydrolysis, adjusting a pH value of alkaline hydrolysis products to 7 by an inorganic acid, and carrying out concentration, drying and crushing to obtain lignan extract. The method has a high extract yield, a low production cost and no pollution on the environment, and realizes high efficiency, continuous extraction, time saving and labor saving.
Owner:深圳市诚致生物开发有限公司

Method for extracting total saponins of cochinchinese asparagus root by using ultrasonic waves

InactiveCN102430041AReduce auxiliary substances and operating stepsHigh extraction rate
The invention relates to a method for extracting total saponins of cochinchinese asparagus root by using ultrasonic waves, which comprises the steps of cleaning, grinding, soaking, performing ultrasonic extraction, repeating, concentrating, degreasing, extracting, and concentrating, and is characterized by comprising the following specific steps of: adding 80 percent ethanol in an amount which is 20 to 22 times that of powder into the powder, soaking for 50 to 60 minutes, extracting at the temperature of between 60 and 63 DEG C for 25 minutes by using the ultrasonic waves with the frequency of 30 to 35kHz, filtering, repeating once, concentrating under reduced pressure until the concentration is 20 times the original concentration, recovering the ethanol, degreasing, extracting for four times by using saturated n-butanol, recovering the saturated n-butanol, and concentrating under reduced pressure to obtain the total saponins of the cochinchinese asparagus root. The method has the advantages that: by ultrasonic wave extraction, beneficial substances in the cochinchinese asparagus root can be fully precipitated, auxiliary substances and operation steps are reduced, the extraction rate of the total saponins of the cochinchinese asparagus root is improved, and economic benefits are improved.
Owner:重庆市秀山红星中药材开发有限公司

Method for ultrasonically extracting total flavones from tussilago farfara

InactiveCN103788048AAccurate and reliable extraction conditionsHigh extraction rate
The invention relates to a method for ultrasonically extracting total flavones from tussilago farfara. The method comprises the following steps: (1) processing tussilago farfara, namely drying tussilago farfara in a constant-temperature drying box with temperature of 90 DEG C for 12 hours, grinding and sieving a 20-mesh sieve; (2) extracting, namely mixing the tussilago farfara processed in the step (1) with an ethanol solution according to a solution-material ratio (mL/g) of (20:1) to (30:1), and ultrasonically extracting under the power being 350W-500W for 30-45 minutes to obtain a total flavones extracting solution, wherein the volume fraction of ethanol in the ethanol solution is 30%-70%. The ultrasonic power, the ultrasonic extraction time and the material-solution ratio are optimized through a response surface method to obtain an optimal extraction process for ultrasonically extracting the total flavones from the tussilago farfara; the actually measured extraction rate in the process is 6.57%; the extraction condition is accurate and reliable and the extraction rate is relatively high; the method has the advantages of convenience, simplicity, quickness, safety and the like, provides corresponding reference data for extraction, development and utilization of effective ingredients of the tussilago farfara, and has an actual useful value.
Owner:TAISHAN MEDICAL UNIV

Method for preparing wedelolactone monomeric compounds extracted from eclipta

The invention discloses a method for preparing wedelolactone monomeric compounds extracted and purified from a traditional Chinese medicine eclipta. The method comprises the following steps: grinding the eclipta into powder, adding an alcohol-acid aqueous solution for performing multistage counter-current extraction, filtering the extracting solution, and performing vacuum concentration, thereby obtaining a coarse product of wedelolactone; separating and purifying by virtue of a macroporous resin, performing gradient elute, collecting the eluent, and respectively performing vacuum concentration, thereby respectively obtaining wedelolactone and demethylwedelolactone. By utilizing good and stable physico-chemical properties of wedelolactone compounds under weak acid conditions, the active ingredients of the eclipta are protected in the process of extracting by using the alcohol-acid aqueous solution, the extraction rate of the active ingredients in the eclipta medicinal materials is greatly improved, the macroporous resin can be repeatedly utilized, an ethanol aqueous solution serves as a solvent and is economical and practical, high-purity wedelolactone and demethylwedelolactone compounds can be conveniently and efficiently obtained, the purity of each monomeric compound is over 95 percent, and the method is simple in process, easy and convenient to operate, low in cost and suitable for batch production.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV
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