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

The invention provides a Chinese medicinal herb-seaweed fertilizer composite biological agent and a preparation method thereof. Effective constituents are extracted from Chinese medicinal herbs and seaweed, which are used as main raw materials, to prepare the biological composite preparation. The Chinese medicinal herb-seaweed fertilizer composite biological agent not only reserves biological active substances in seaweed, but also enhances the drug effect of the Chinese medicinal herbs as insecticide. The biological composite preparation contains rich Chinese medicinal herbs and multiple active substances in seaweed, thereby enhancing the photosynthesis of crops, enhancing the crop yield and product quality, enhancing the drought tolerance, cold tolerance and stress tolerance of the crops, accelerating prematurity and fruit setting rate, preventing and killing various soil insects and enhancing the disease resistance of the crops. The invention has the advantages of low cost, favorable solubility and environmental protection, and is convenient for popularization.

The invention relates to a method for continuously generating fine gutta-percha through digestion-reextraction. The method comprises the steps of: firstly, pre-treating folium cortex eucommiae including drying, crashing and cutting; secondly, digesting gutta-percha from folium cortex eucommiae through leach liquor; thirdly, separating gutta-percha from folium cortex resin through reextraction solution and dissolving the gutta-percha; and fourthly, post-treating materials, principally to dry the dissolved gutta-percha so as to obtain the fine gutta-percha. The method of the invention has the advantages that the leach liquor is nonflammable non-toxic agent, the gutta-percha extraction efficiency is high, the environment is prevented from being polluted, the folium cortex eucommiae is complexly used, no waste generates, the solvent is recycled, the consumption is low, the product quality is high, industrial continuous production is realized, the economic, environment-friendly and social benefits are all better than the traditional production method, and the promotional value is high.

The invention discloses a zymolytic cereal beverage, comprising the following components in parts by weight: 2-13.5 parts of cereals, 0.66-2.42 parts of complex enzyme preparation, 5-10 parts of white granulated sugar, 0.03-0.1 part of an emulsifier, 0.1-0.26 part of a thickener, 0.01-0.1 part of flavouring essence and 74-90 parts of purified water. The complex enzyme preparation is prepared from 0.5-2 parts of saccharifying enzyme, 0.05-0.2 part of amylase, 0.05-0.1 parts of protease, 0.05-0.1 part of peptidase, 0.005-0.01 part of cellulase and 0.005-0.01 part of lipase. The complex enzyme preparation is added so that various nutritional ingredients are hydrolyzed into substances which can be better absorbed by human body; as a result, high raw material nutritional ingredient extraction rate can be obtained, the comprehensive utilization rate of the raw materials is improved and the taste of product is optimized. Besides, the beverage is good in stability, free of precipitation and layering phenomena, and long in quality guarantee period.

The present invention discloses a method of extracting flavone and polyoses from mulberry leaves, including air drying, grinding and screening. Mulberry leaf powder is immersed in 60 to 80 percent ethanol so as to extract flavone or in water so as to extract polyoses; the ultrasonic treatment with 100 to 400W power lasts for 5 to 25 minutes; extraction temperature is controlled within 60 to 85 DEG C and the extraction lasts for 1 to 2 hours; the extracting solution is centrifugalized and filtered by supernatant fluid, thus obtaining the filtrate; the flavone filtrate is concentrated so as to obtain the mulberry leaf flavone extract; or ethanol is added into the polyoses filtrate so as to make the ethanol concentration up to 70 percent in the final solution; the filtrate is placed for 18 to 24 hours under 4 to 10 DEG C, then deposited and dried, thus obtaining the mulberry leaf polyoses. The flavone yield can reach more than 25mg/g and the polyoses yield 110mg/g. The present invention, with the advantages of good repeatability, high selection, short operating time, less solvent consumption, high yield of effective ingredients, no noise, no pollution and relatively good application prospective, is applicable to industrial production.

The invention relates to a method for extracting oil from microalgae by utilizing ionic liquid, which comprises the following steps of: 1) preparing functionalized ionic liquid; 2) adding a certain quantity of microalgae into the ionic liquid and magnetically agitating through heating to dissolve the microalgae; 3) extracting oil in an ionic liquid mixture by using an organic solvent; and 4) adding a certain quantity of water into an ionic liquid phase after the oil is extracted, removing a water phase through evaporation, realizing the regeneration of the ionic liquid and reusing the ionic liquid. According to the method, the ionic liquid is utilized to dissolve the microalgae so as to extract the oil, almost has no vapor pressure and has the characteristics of greenness, environment friendliness and the designability; the cell wall of a microalgae can be remarkably damaged to release oil in a microalgae cell or on the cell wall; the oil is easily separated from the ionic liquid, so that the extraction rate of the oil can be remarkably improved; and the ionic liquid can be recycled through a water dilution method. The method can become a new process for microalgae oil extraction.

The preparation method for high-H-value oligopeptide from zein comprises, using corn powder as material, hypercritical CO2 liquid extracting to remove fat and smelly materials in said powder and extract zein; adding some water to the zein; taking extruding and modifying treatment at given temperature and pressure to increase its solubility; using two proleases for two-step enzymolysis to zein at given substrate concentration, enzyme concentration, pH value, and time condition; then, separating, purifying, drying, smashing and obtaining the product with F value more than 20.

The invention relates to a method for recovering metal from a waste lithium battery. The method is characterized by comprising the following steps of: discharging, crushing and screening the waste lithium battery; magnetically sorting and separating riddlings; heat-treating and smelting an oversize steel shell and screenings in vacuum respectively; and adding a solvent and cokes when the screenings are smelted, wherein weight percentages of respective components are as follows: 50-97% of screenings, 3-30% of solvent and 0-20% of cokes. Compared with the prior art, the method has the advantages of simplicity in equipment and process, high extraction rate of noble metal and the like, is particularly suitable for hydrogen storage alloy manufacturing factories to recover the metal in lithium batteries, and can be used for extracting an iron and nickel-based alloy and a cobalt-based alloy from the waste lithium battery; acid and organic solvent are not used in the whole recovery process; organic matters and metal-containing materials are effectively separated from each other through a method of physical separation; and smoke pollution and the like caused by burning the organic matters cannot be produced, so that the method is a safe and environment-friendly method for disposing waste batteries.

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.

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.

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.

The invention provides an enzymatic pretreatment assisted curcumin extraction technology. The enzymatic pretreatment assisted curcumin extraction technology comprises steps as follows: after 1 part of curcuma powder is taken, ground, sieved, added with water and stirred uniformly, the mixture is subjected to water bath for 60 min and is cooled to the constant temperature of 52-58 DEG C, and curcuma pulp is obtained; compound enzyme comprising cellulase, amylase and papain is added to the curcuma pulp and reacts for 2-4 h, and enzymatic hydrolysate is obtained; the enzymatic hydrolysate is taken, added with an ethanol solution and homogenized for 1-2 min under the condition of 8,000-9,000 r/min, and a curcumin extracting solution is obtained; finally, a flocculant is added to the extracting solution, the mixture is stirred and filtered, a clear liquid flows through an activated carbon chromatographic column and is eluted with an alkaline solution, and a curcumin desorbed solution is obtained. The technology has the advantages of high extraction speed, low temperature, low energy consumption, high yield of the effective component curcumin, stable product quality and controllable reaction conditions, and is applicable to industrial large-scale production.

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.

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%.

The process of extracting soluble polysaccharide from fragile blueberry leaf includes the following steps: 1. drying fragile blueberry leaf and crushing in a crusher; 2. leaching fragile blueberry leaf powder in hot distilled water, cooling and filtering to obtain filtrate; 3. centrifuging the filtrate to obtain liquid phase and precipitate; 4. washing the liquid phase through mixing with 80 % concentration alcohol solution and centrifuging to obtain fragile blueberry polysaccharide; 5. washing the liquid phase through mixing with 80 % concentration alcohol solution and centrifuging to obtain fragile blueberry polysaccharide repeatedly for 1-3 times; and 6. vacuum drying the collected fragile blueberry polysaccharide. The present invention has simple technological process and high extracting rate.

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.

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.

A plant extract used as miticide in the form of liquid is prepared from the powder of raw plant through immersing in industrial alcohol, thermal reflux extracting in water bath twice, collecting liquid extract, vacuum recovering of solvent, and dissolving in tween-80. Said plant extract may be caryophyllene alcohol containing eugenol.

The invention belongs to the technical field of traditional Chinese medicines and particularly relates to a preparation technology and application of folium artemisiae argyi essential oil. The invention provides the preparation technology of the folium artemisiae argyi essential oil. The preparation technology comprises the following steps: crushing folium artemisiae argyi; carrying out enzyme extraction, filtering and water vapor distillation; carrying out ultrasonic extraction on folium artemisiae argyi residues, and filtering; combining, drying and concentrating. The preparation technologyof the folium artemisiae argyi essential oil, disclosed by the invention, has the advantages that the extraction rate of volatile oil can be improved, loss of the volatile oil is reduced, and the safety of the volatile oil is improved. Meanwhile, the folium artemisiae argyi essential oil prepared by the preparation technology disclosed by the invention has a better inhibiting effect on duck serumand DHBV DNA in liver.

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.

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.

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.

The invention relates to a preparation method of karanjin. The preparation method comprises the following steps: crushing dried Fordia cauliflora herbs, adding an appropriate amount of distilled water and a bioenzyme for natural hydrolysis to obtain enzymolysis raw materials, carrying out continuous countercurrent extraction on the enzymolysis raw materials with an 85% ethanol solution used as the solvent, concentrating the extract until no alcohol odor exists, adding the concentrated extract to macroporous resin for adsorption, concentrating the eluate, and drying to obtain a crude karanjin product, and separating by a preparative high-performance liquid chromatograph to obtain karanjin. The preparation method provided by the invention has the advantages of stable process, short period, high product yield, good product quality and high product purity (more than 98%).

The invention belongs to the technical field of a traditional Chinese medicine extraction method and particularly provides a saussurea involucrate micro-molecular peptide extract and application thereof. The saussurea involucrate micro-molecular peptide extract is prepared by the following steps: drying, crushing, primary crude extraction, secondary crude extraction, enzymolysis, decoloration, concentration and drying. According to a preparation method of the saussurea involucrate micro-molecular peptide extract, provided by the invention, various beneficial active ingredients in saussurea involucrate can be fully extracted, and the extraction rate of the beneficial active ingredients is high. The molecular weights of micro-molecular peptides in the saussurea involucrate micro-molecular peptide extract are mainly distributed between 100-1000 D, and the micro-molecular peptides mostly are dipeptide, tripeptide, tetrapeptide and the like, belong to micro-molecular structures and have the characteristic of being very easy to absorb and utilize by human bodies.

The invention relates to a method for extracting rapeseed protein by reverse micelle, comprising the following steps: adding rapeseed powders into a reverse micelle solution, extracting, and then obtaining a rapeseed protein solution by solid-liquid separation. As a preferable scheme, the reverse micelle solution is prepared by mixing Sodium di-n-octyl sulfosuccinat, isooctane and a buffer solution containing K<+>. The addition of the rapeseed powders is 0.001-0.20 g/mL. As an improvement of the invention, the extraction is carried out under the action of an ultrasonic wave. The frequency of a preferable ultrasonic wave is 20 KHz, and the power is 100 KW. The invention has simple process, low production cost, mild operating conditions, high product purity as well as high protein extraction efficiency, and does not need to add a great amount of acid and alkali.

The invention belongs to extraction method for anthocyanidin, and relatively concretely relates to a method for extracting anthocyanidin from black waxy corn. According to the method, black corn is taken as a raw material, supercritical CO2 is taken as an extraction agent, and compared with the prior art, the extraction rate can reach 15.61%. Test results show that the optimum technological conditions comprise that the extraction pressure is 80 MPa, the temperature is 70 DEG C, the time is 45 min, the CO2 flow is 90 L/h and the raw material fineness is 80 mesh. The anthocyanidin finished product is obtained by adding 10-time amount of ethanol with the concentration of 30%-60% into an obtained extractive solution for dissolving, performing alcohol precipitation, getting the supernatant, purifying by using macroporous adsorption resin, using distilled water to elute to colorless, then using an ethanol solution with the concentration of 30%-60% as an eluant for eluting, performing reduced-pressure concentration on an obtained ethanol eluent to obtain an extractum and drying the extractum.

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.

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.

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.

The invention discloses an extraction method of passion fruit anthocyanin. The extraction method comprises the steps of 1, choosing passion fruit and peel, and drying; 2, screening; 3, smashing; 4, conducting high-pressure extraction on the mixture of the smashed passion fruit and the peel; 5, filtrating; 6, conducting vacuum concentration and drying to obtain passion fruit anthocyanin. According to the extraction method of passion fruit anthocyanin, electric power is used, heat sources of a boiler and the like are not needed, and no waste matter and waste gases of dust, slag and the like are discharged; the solvent is recyclable in the extraction process, and no waste liquor is discharged. The extracted waste residues can also be used as a bioorganic fertilizer, and the extraction method is a fully green manufacturing technology. When passion fruit anthocyanin extracted from the method is applied in passion fruit juice drink, the passion fruit juice drink can be more natural in color, nutritional components can be more fully preserved, and the health care function of the product can be improved; moreover, the passion fruit juice drink has better antioxidation, and shelf life can be prolonged.

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.