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65results about How to "Short extraction time" patented technology

Method for extracting corn flavochrome by microwave-ultrasonic

The invention discloses a method to extract corn yellow pigment with microwave-ultrasonic extraction; the method combines the microwave technology with the ultrasonic technology, and uses over 90% ethanol and petroleum ether mixed solution at 60-90 DEG C as the extractant to extract the yellow pigment from the corn gluten meal of the by-product of corn starch production through wet process; the particle size of raw materials is 0.19-0.36mm; the ratio of the mixed solution of the extractant between ethanol and petroleum is 1:1 (volume ratio) ether, and the liquid material ratio is (6-15):1 (volume-to-weight ratio); the microwave power is 600w to 1,000w, and the processing time is 5s to 100s, and the temperature is 47 to 57 DEG C; the ultrasonic power is 300w to 600w and the processing time is 10min to 40min, and the temperature is 47 to 57 DEG C; the filtrate is decompressed and evaporated at 30 to 40 DEG C to get orange-red paste which is processed with n-hexane elution and filtered to remove insoluble protein, an then dried to constant weight in vacuum at 35 to 45 DEG C to weigh and calculate the extraction rate. The method has low toxicity of extractant and high yield of extracts, which solves the problem of long extraction time by the original method and is easy to be industrialized.
Owner:HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY

Method for extracting rutin from sophora japonica

The invention discloses a method for extracting rutin from sophora japonica, which comprises the following steps of: (1) cleaning and drying sophora japonica, putting the sophora japonica into a fermentation tank, adding rutin biotransformation enzymes for closed fermentation for 4-6 hours, and then, transferring the sophora japonica into an extraction tank; (2) adding 4.5 times of mixed solvent of methanol and ethanol into the extraction tank for stirring, extracting and filtering to obtain a filtered solution; (3) distilling the filtered solution, and then, recovering the solvent to obtain rutin extract; and (4) adding 3-5 times of quantity of mixed solvent of acetone, petroleum ether and n-octanol into the obtained rutin extract for conventionally stirring, extracting and filtering, distilling the filtered solution, and recovering the solvent to obtain high-purity rutin finished products. In the invention, the whole extracting process is closed and does not cause environment pollution; the extracting time is short, and the whole extracting and refining operation can be finished only in 16 hours; equipment used for extracting is conventional equipment, thus the enterprise burden can not be increased; and the solvent can be recycled, the production cost is low, the rutin yield is high, and the product purity meets the standard of State Pharmacopoeia and the standard of European Pharmacopoeia 6 (EP6).
Owner:HENAN QINGCHUN BIOTECH

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

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

Preparation method of notopterygium root spray of nine ingredients

The invention provides a preparation method of a notopterygium root spray of nine ingredients, relating to a preparation method of a traditional Chinese medicine spray. The notopterygium root spray of nine ingredients is composed of notopterygium root, divaricate saposhnikovia root, Chinese atractylodes, asarum herb, chuanxiong rhizome, angelia, baical skullcap root, licorice and rehmannia root. The preparation method comprises the following steps of: extracting volatile oils from the notopterygium root, the divaricate saposhnikovia root, the Chinese atractylodes, the asarum herb, the chuanxiong rhizome and the angelica; performing ultrasonic extraction on the dregs after extraction, the baical skullcap root, the licorice and the rehmannia root, filtering after extraction; concentrating the obtained filtrate, adding ethanol, standing and filtering; and concentrating the filtrate, recovering the ethanol, adding the volatile oils, a surfactant, an essence and a preservative to the concentrated solution, mixing evenly, supplementing distilled water, filtering, subpackaging and sterilizing. The preparation method provided by the invention has the characteristics of short extraction time, high yield, no need of heating, and the like, saves the production time, improves the extraction rate, avoids degradation of thermal instable ingredients, is favorable to full utilization of medicinal materials, and saves energy and cost.
Owner:JIANGXI POZIN PHARMA

Preparation method of appetite and digestion promoting particles

A preparation method of appetite and digestion promoting particles belongs to the technical field of medicines. The appetite and digestion promoting particles comprises the following raw medicines by weight parts: 40-400 parts of hawthorns, 6-60 parts of malts and 6-60 parts of Qianqu tablets. The appetite and digestion promoting particles are prepared by adopting the following steps: (1) carrying out supersonic extraction on the hawthorns, the malts and the Qianqu tablets by using water as a solvent to obtain a water extract; (2) filtering a water extract by using microfiltration membranes, and concentrating the water extract till thick paste is obtained; and (3) adding starch into the thick paste and uniformly mixing, pelletizing, drying, arranging particles and conducting subpackaging to obtain the appetite and digestion promoting particles. The preparation method has the beneficial effects that the appetite and digestion promoting particles have the characteristics of short extraction time, high yield and no need of heating through ultrasonic extraction by adopting advanced preparation technologies such as one-step pelletizing by the ultrasonic extraction, the production time is saved, the extraction ratio is increased, the degradation and the loss of effective constituents, particularly temperature-sensitive constituents in medicines are reduced, the extraction technology is simplified, the production cost is reduced, and the quality of products is improved.
Owner:JIANGXI POZIN PHARMA

Adsorption and analysis device of headspace sample

The invention relates to an adsorption and analysis device of a headspace sample, comprising double needles, a first air carrying pipeline, a first connecting pipeline, an adsorption pipe, a second connecting pipeline, an adsorption and analysis pipeline, a second air carrying pipeline, a third air carrying pipeline, an exhaust pipeline and a transmission pipeline. One end of the double needles is inserted into a sample bottle, and the double needles comprise a carrying air inlet hole and an air outlet hole; the first air carrying pipeline is communicated with the carrying air inlet hole; the first end of the first connecting pipeline is communicated with the air outlet hole; the adsorption pipe comprises an inlet, an outlet and an adsorption and analysis inlet-outlet and is filled with adsorbent; the second connecting pipeline is communicated with the outlet of the adsorption pipe; the adsorption and analysis pipeline, the second air carrying pipeline, the third air carrying pipeline and the exhaust pipeline are communicated with the adsorption and analysis inlet-outlet; the transmission pipeline is connected with a gas chromatograph; the second end of the first connecting pipeline penetrates through the inlet of the adsorption pipeline and the adsorbent to extend out of the end surface of the adsorbent; switching valves are arranged among the second connecting pipeline, the exhaust pipeline, the second air carrying pipeline and the transmission pipeline; and a first control valve and a second control valve are arranged between the third air carrying pipeline and the adsorption and analysis pipeline. The invention simultaneously has the headspace and purging and trapping functions,shortens time for extracting and analyzing a sample and can obtain lower detection limit and high sensitivity.
Owner:CHENGDU COLIN TECH

Externally applied traditional Chinese medicine for treating gynecologic inflammation and preparation method thereof

The invention discloses an externally applied traditional Chinese medicine for treating gynecologic inflammation. The medicine is prepared from the following ingredients by weight: 18.3-21.7 parts of sophora flavescens, 14.2-15.8 parts of common cnidium fruit, 17.8-22.3 parts of cortex phellodendri, 13.8-16.2 parts of radix stemonae, 14.2-15.8 parts of cortex dictamni, 4.3-5.7 parts of Chinese prickly ash, and 9.1-10.8 parts of alum. The medicine is simple and reasonable in composition, and has the functions of clearing heat and promoting diuresis, promoting blood circulation to arrest pain, removing blood stasis and dispersing phlegm, and regulating menstruation and dredging collaterals. The invention further discloses a preparation method of the medicine, which comprises the following steps: drying each ingredient based on the weight part, crushing the ingredients into coarse powder of 250-850um or 10-50mesh, mixing uniformly, placing the mixed powder into a supersonic extractor, adding 70% ethanol to extract effective components so as to obtain the alcohol extract of the effective components, placing the extract still for 48-72h, taking and filtering alcohol precipitation supernatant, and recycling ethanol to obtain the concentrated extract of the effective components.
Owner:LUOYANG LUOTONG HOSPITAL +2

Preparation method of natural flavor

The invention discloses a preparation method of a natural flavor. The method comprises a raw material pretreatment step of crushing raw materials into 20-40-mesh particles; and the ratio of the raw materials, namely momordica grosvenori to gynostemma pentaphylla to maca is 1 to (1.4-1.8) to (2.2-2.6). Microwave assisted extraction is adopted; and the microwave radiation process is the process that a high-frequency electromagnetic wave penetrates through an extraction medium to reach the inside of the material. Microwave energy is absorbed, so that the temperature in cells rapidly rises, the pressure in the cells exceeds the sustainable pressure for cell walls for expansion, the cells are broken, effective ingredients in the cells freely flow out and are dissolved into the extraction medium at a relatively low temperature, thermosensitive substances are well protected, the extraction time of microwave extraction is very short, and the extraction efficiency is greatly improved. The produced natural flavor is fruity, harmonious, pure and elegant in fragrance, and abundant in fragrance; the problems that a tobacco product is light in smoke and insufficient in fragrance due to the adoption of a method for reducing harmful components in the smoke can be effectively solved; the quality of a cigarette product can also be improved; and the aftertaste is comfortable, sweet and soft.
Owner:YINGTAN HUABAO FLAVORS & FRAGRANCES

Radix ophiopogon root extract and preparation method and application thereof

The invention belongs to the field of functional food, and particularly relates to a radix ophiopogon root extract and a preparation method and application thereof. The content of polysaccharide in the extract is 20-30%, the content of total flavone is 1.0-1.3%, and the content of total saponin is 1.2-1.4%. The technical problem that the yield of a prior method for extracting the radix ophiopogonroot is low is solved. The invention discloses the preparation method of the extract, which comprises the following steps of: a, crushing radix ophiopogon root, adding a solvent, stirring, and filtering to obtain radix ophiopogon root slurry; b, taking ethanol or water as an extraction solvent, carrying out spray extraction on the radix ophiopogon root slurry to obtain an extract solution, and carrying out solid-liquid separation to obtain filtrate 1 and filtrate residue 1; c, using the filter residue 1 as a raw material to obtain filtrate 2 and filter residue 2 according to the operations ofthe steps a and b; washing filter residue 2 with water, and separating to obtain filtrate 3 and filter residue 3; d, mixing the filtrates, concentrating and drying to obtain the radix ophiopogon rootextract. The method has the advantages of high yield, short extraction time and cost saving.
Owner:SICHUAN YIKE PHARMA CO LTD

Method for extracting lentinan by virtue of ultrasonic coupling subcritical water

InactiveCN104311684AGood extraction uniformityShort extraction timeIonChemistry
The invention discloses a method for extracting lentinan by virtue of ultrasonic coupling subcritical water. The method comprises the following steps: cleaning, drying, crushing and screening lentinus edodes; putting the lentinus edodes into an extraction kettle; vacuumizing to remove air until the vacuum degree is over 0.05 MPa; pumping preheated deionized water into the extraction kettle at a rate of 10-50L/h; controlling the temperature of the extraction kettle to be 150-190 DEG C and the pressure to be 3-7 MPa; directly treating the materials in the extraction kettle by adopting built-in ultrasound, wherein the extraction time is 20-60 minutes; cooling an extracting solution by virtue of a cooler, and collecting the extracting solution; and performing suction filtration, concentration, ethanol deposition, centrifuging, supernatant removal, washing deposition and drying deposition to obtain the lentinan. The extraction method by virtue of the ultrasonic coupling subcritical water, disclosed by the invention, is good in uniformity, the extraction yield of the lentinan is high, the extraction time is short, and the total oxidation resistance of the lentinan is relatively strong, so that the invention starts an efficient, low-consumption and environment-friendly new method for extracting active polysaccharide.
Owner:SOUTH CHINA UNIV OF TECH

Method for extracting almond protein by microwave

The invention relates to a method for extracting almond protein by microwave. In the method, with almond residuals subjected to oil removal and degrease removal as a raw material, the almond protein is prepared through the steps of raw material sieving, water dissolution, microwave extraction, centrifugal separation, pH value regulation with HCl, vacuum freeze-drying and the like. The invention has the characteristics and beneficial effects: a microwave solution promotion technology is utilized, thus the advantages of energy conservation, environmental friendliness, short extraction time, high extraction rate and the like are achieved; compared with an extraction technology in an ultrasonic environment, the time required by the microwave solution promotion technology is shortened by 20-60min, and the extraction rate of the almond protein under the optimal extraction condition is improved by 16.7%; compared with the common extraction technology, the time required by the microwave solution promotion technology is shortened by 95-105min, and the extraction rate of the almond protein under the optimal extraction condition is improved by 30.7%; meanwhile, when the almond protein is dried, the vacuum freeze-drying technology is utilized, and thus the prepared almond protein product can better maintain the original functional characteristics and nutritional value.
Owner:NORTHWEST NORMAL UNIVERSITY
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