42 results about "Concentrated extract" patented technology

To easily provide a concentrated extract with good reproducibility. [Solution] A cylindrical member and A bottom member is attached to the lower opening of the cylindrical member and is used to install a filter for extraction. A plunger inserted into the cylindrical member and capable of sliding up and down within the cylindrical member, the plunger having an upper opening and a lower opening, Equipped with, An extractor for extracting the extract of the substance to be extracted by placing the substance to be extracted on the filter installed on the bottom surface member attached to the cylindrical member, pouring hot water through the upper opening of the plunger, and then pushing the plunger in while closing the upper opening.

The invention discloses traditional Chinese medicinal material component extracting and processing equipment, relates to the technical field of traditional Chinese medicinal material processing, and solves the technical problems of dispersed working procedures, low automation degree, low extracting efficiency and long time in the existing technical scheme. The mounting frame is fixedly mounted on the upper wall surface of the main base, and a raw material crushing device, an ultrasonic dissolving device, a mixing and stirring device and a solid-liquid separation device are sequentially mounted in the mounting frame from top to bottom. Materials can automatically flow among the units by means of gravity and a small amount of pumping, automatic and continuous production from medicinal raw materials to concentrated extract is achieved, production efficiency is improved, labor intensity is reduced, and pollution and loss in the material transferring process are effectively avoided.

The invention discloses rhizoma polygonati moringa oleifera and a preparation method thereof. The rhizoma polygonati moringa oleifera is prepared from the following raw materials: rhizoma polygonati leaves, moringa oleifera leaves, christina loosestrife herb, wormwood, sticktight and spica prunellae. The preparation method of the polygonatum sibiricum moringa oleifera comprises the following steps: step 1, preparing clean polygonatum sibiricum leaves, moringa oleifera leaves, salix christinae hance, wormwood, sticktight and selfheal; step 2, preparing polygonatum sibiricum leaf, moringa oleifera leaf, salix christinae hance, wormwood, sticktight and selfheal composite filaments; step 3, preparing concentrated extracts of sealwort leaves, moringa oleifera leaves, salix christinae hance, wormwood, sticktight and spica prunellae of which the particle size is less than 0.2 mm; and step 4, preparing rhizoma polygonati and moringa oleifera. The invention further discloses the polygonatum sibiricum moringa oleifera which is a product which is shiny after being burnt, has special fragrance, can refresh mind, refresh air, calm mind and help sleep and is beneficial to human health, and the polygonatum sibiricum moringa oleifera is elaborately prepared from edible and medicinal raw materials.

The invention discloses a nutritional food containing small-molecule active peptides, and relates to the technical field of health-care foods, and the nutritional food is composed of the following components in parts by weight: 15-35 parts of deer blood small-molecule active peptides, 10-30 parts of rumex hanus concentrated extract, 15-40 parts of whey protein, 5-20 parts of phycocyanin, 3-15 parts of collagen peptides, and 2-10 parts of glucan. The preparation method of the nutritional food containing the small-molecule active peptide mainly comprises three key steps of preparation of the deer blood small-molecule active peptide, preparation of a rumex hanus concentrated extract and mixing preparation. Through a special preparation process, macromolecular nutrient substances are converted into micromolecular forms, such as deer blood micromolecular active peptides and low-molecular-weight collagen peptides, the bioavailability of the micromolecular nutrient substances is greatly improved, the micromolecular nutrient substances are more easily digested and absorbed by a human body, and compared with traditional macromolecular nutrient foods, the nutritional food has the advantages that the nutritional effect is good; the nutritious food disclosed by the invention can be absorbed and utilized by a human body more quickly.

The invention discloses a composition helpful for improving sleep and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine compositions.The composition is prepared from red ginseng, hawthorn, pig spinal cord, tremella fuciformis, cornu cervi pantotrichum, skim milk powder, Chinese yam and angelica sinensis through a step-by-step decoction technology. Through reasonable compatibility of traditional Chinese medicine raw materials, concentrated solutions containing three different nano-micelles are prepared respectively and then mixed in proportion to obtain paste, and conventional high-temperature decoction is converted into a controllable micelle construction process, so that on one hand, damage of high temperature to thermosensitive active substances is avoided; on the other hand, the dissolution rate and the stability of core sleep-aiding active ingredients in the raw materials can be improved. The composition can achieve the effect of improving the sleep quality by prolonging the non-rapid eye movement sleep duration on the premise of not interfering a normal sleep structure.

The invention discloses eye health care liquid based on cortex berberidis and saffron crocus extracts and a preparation method of the eye health care liquid, and relates to the technical field of traditional Chinese medicine preparations and eye health care, in particular to the eye health care liquid based on the cortex berberidis and saffron crocus extracts and the preparation method of the eye health care liquid. According to the eye health-care liquid, a cortex berberidis extract and a saffron crocus extract are used as main active ingredients, a fructus lycii extract, a radix stemonae extract, a mint extract, a honeysuckle flower extract and other functional ingredients are used as auxiliary ingredients, and sodium hyaluronate, taurine and vitamin B6 are added to enhance the moisturizing, anti-oxidation and metabolic regulation effects. The preparation method comprises the steps of raw material extraction, extract concentration, auxiliary material mixing and pH adjustment, filtration and sterilization and the like. The product is suitable for eye atomization application, has the effects of relieving eye inflammation, improving microcirculation, relieving dryness, redness and swelling and the like, meanwhile strictly controls heavy metal and microbiological indexes, and guarantees use safety.

This invention discloses a foundation containing moonshine white tea extract, its preparation method, and its application. The foundation, by weight percentage, comprises the following components: 0.5%–5% concentrated extract of moonshine white tea powder and astragalus; 10%–30% concealing and correcting powder; 1%–8% film-forming agent; 5%–20% moisturizing oil; 2%–10% humectant; 2%–10% skin feel modifier; 0.1%–1% antioxidant; 0.2%–1% preservative; and the balance being deionized water. This application uses a blend of loose moonlight white tea and concentrated extract of astragalus as its core active ingredients. The synergistic combination of these two ingredients can exert skincare effects such as anti-oxidation, soothing and repair, and brightening of skin tone, while reducing the irritation of base makeup products to the skin. At the same time, through precise optimization of the proportions of functional components such as concealing powder, film-forming agent, and moisturizing oil, it can achieve the effect of covering skin blemishes, blurring pores, evening skin tone, and long-lasting makeup.

The present application relates to Dendrobium officinale flower extract, in particular to a Dendrobium officinale flower active part in the preparation of a drug for treating cervicitis; a Dendrobium officinale flower active part in the preparation of a drug for treating cervicitis; characterized in that the Dendrobium officinale flower active part is prepared by the following steps: weighing 4g of Dendrobium officinale flower, adding 200mL of purified water, boiling water bath for 1h, extracting 3 times, then filtering and combining the filtrate, removing most of the water, and then water bath evaporation; the extract is added with 100mL of purified water to prepare a suspension, extracted with ethyl acetate, and extracted 3 to 4 times until complete extraction; the concentrated extract is the ethyl acetate part DOF- EA of the Dendrobium officinale flower boiling water extract. The present application adopts a mouse cervicitis model induced by phenol glue, and DOF- EA is administered by gavage, and the results show that DOF- EA can significantly improve the damage of cervical mucosa tissue, reduce the level of inflammatory factors and oxidative stress, and has a good effect on anti-cervicitis.

The invention relates to the technical field of bioactive component extraction, and discloses a method for extracting total flavonoid functional substances from tartary buckwheat, which comprises the following steps: S1, pretreatment: drying tartary buckwheat seeds, and grinding to obtain tartary buckwheat powder; s2, ethanol extraction: mixing the tartary buckwheat powder with ethanol, extracting under a pressurizing condition, and filtering to obtain a crude extract; s3, staged concentration: performing multi-stage vacuum concentration on the crude extracting solution to obtain a concentrated extracting solution; s4, low-temperature alcohol precipitation: diluting the concentrated extracting solution with ethanol, refrigerating under a low-temperature condition, carrying out centrifugal separation and precipitation, washing, and then carrying out vacuum drying, so as to obtain crude flavone powder; s5, spray drying: dissolving the crude flavone powder in ethanol, and performing spray drying to obtain a general flavone functional substance; and S6, solvent recovery. Through the steps of sectional concentration and low-temperature alcohol precipitation, the decomposition risk of heat-sensitive flavonoid substances is effectively reduced in the extraction and treatment process.

The invention belongs to the technical field of Chinese herbal medicine extracts, and discloses a Chinese herbal medicine spanishneedles herb extract and an extraction method and application thereof.The extraction method comprises the steps that S1, dried whole spanishneedles herb is cut into sections, soaked with purified water and then decocted and extracted, an extracting solution is filtered out, purified water is added for decoction and extraction, an extracting solution is filtered out, the extracting solutions are combined and concentrated, and concentrated liquid is obtained; a concentrated extracting solution is obtained; and S2, taking the concentrated extracting solution, adding ethanol, standing, precipitating, taking supernate, and concentrating to obtain a concentrated solution containing the extract of the Chinese herbal medicine spanishneedles herb. The extract is prepared into oral liquid, granules, capsules, tablets, powder injection or injection dosage form medicines. The extract is applied to preparation of drugs for treating hypertension, drugs for treating hypertension complications and foods for reducing blood pressure. Scientific basis and technical support are provided for application of spanishneedles herb in hypertension treatment, and a new thought is provided for preparation of safe and effective antihypertensive drugs, health care products or functional food.

This invention belongs to the field of scalp care technology, specifically relating to a concentrated extract of traditional Chinese medicine for dandruff removal, its preparation method, and its application. The concentrated extract is prepared from the following raw materials: chrysanthemum, honeysuckle, *Hosta plantago-aquatica*, gentian, *Smilax glabra*, and perilla. The preparation method includes water extraction, alcohol precipitation, macroporous resin purification, and concentration and drying steps. This invention also includes a no-rinse dandruff spray containing the concentrated extract. The concentrated extract and no-rinse spray prepared by this invention exhibit excellent inhibitory effects against *Malaisetta* and can significantly improve dandruff and scalp itching symptoms, demonstrating clear application value.

The present application relates to the technical field of functional food, and particularly discloses a green plum essence composition and a preparation method thereof.The composition is a gel-type jelly agent, has a pH value lower than 3.0, and is composed of the following core components in parts by weight: a liquid medium, green plum essence, granulated sugar, and a compound thickening agent.The green plum essence is a concentrated extract of green plum fresh fruit with a concentration of more than 30 times, and has a content of 15-25 parts by weight; the granulated sugar has a content of 10-25 parts by weight; the compound thickening agent has a content of 0.5-2.0 parts by weight; and the liquid medium is the remainder.At present, there is no mature solution to the functional food of the gel-type jelly agent with a high green plum essence content.Therefore, it is of great market value and technical significance to develop a green plum essence gel-type jelly product that is stable in a high-acid environment, has the functions of refreshing and relieving fatigue, and has excellent eating experience (good gel formation, melts in the mouth, non-astringent taste, and no water separation).

The application discloses a whitening, moisturizing and anti-aging mask based on a polygonatum extract and a preparation method thereof, and belongs to the technical field of cosmetics. The polygonatum concentrated extract is prepared by adopting a wine pretreatment, a composite enzymolysis and an ultrasonic coupling extraction process, a layered compound mask essence liquid containing a whitening synergistic component, a deep moisturizing component, an anti-aging protection component and a moisturizing penetration aid is matched, and a finished product mask is prepared by selecting a plasma modified Tencel-chitosan composite film material as a mask substrate. The application effectively improves the extraction rate of active ingredients such as polygonatum polysaccharide, steroidal saponin, flavonoid compound and polyphenol compound, realizes the synergistic effect of the triple functions of whitening, moisturizing and anti-aging, the mask substrate has high liquid loading capacity, the active ingredients are well absorbed, the product does not contain irritating additives, is mild and suitable for multiple skin types, the preparation process is controllable and can be industrialized and mass-produced, and the product has excellent efficacy and stability.

The invention belongs to the technical field of traditional Chinese medicine preparation, and particularly relates to a radix paeoniae rubra extract and a preparation method thereof, and radix paeoniae rubra formula granules and a preparation method thereof. The invention provides a preparation method of a radix paeoniae rubra extract, which comprises the following steps: decocting radix paeoniae rubra to obtain a decoction and volatile oil; concentrating the decoction liquid to obtain concentrated clear paste; clathrating the volatile oil to obtain a clathrate compound; the radix paeoniae rubra extract comprises at least one of the concentrated clear paste and the clathrate compound. The preparation method of the radix paeoniae rubra extract provided by the invention is simple and convenient, simple in steps and suitable for industrial production and popularization. The prepared radix paeoniae rubra var. Lanceolata extract is high in effective component content and high in volatile oil extraction rate.

This invention belongs to the field of pharmaceutical technology, specifically relating to a naphthol glycoside compound, juglone-naphthol glycoside I, extracted and isolated from *Clerodendrum trichotomum*, its preparation method, and its application. The preparation method specifically includes the following steps: First, *Clerodendrum trichotomum* powder is extracted by heating and reflux with 70% ethanol. After filtration, 10% (w / v) CaCl2 powder is added to the extract, stirred thoroughly, and allowed to stand. The ethanol is recovered from the supernatant to obtain a concentrated extract. After water dispersion, the extract is extracted five times each with dichloromethane and n-butanol. The n-butanol layer is separated, and then subjected to reversed-phase silica gel column chromatography and recrystallization to obtain the target compound. The preparation method provided by this invention only requires salting out impurities, solvent extraction, reversed-phase column chromatography separation, and recrystallization, achieving efficient enrichment and separation of the target compound. The steps are simplified and easy to operate. Furthermore, the naphthol glycoside prepared by this invention has been shown in in vitro activity experiments to have good anti-ethanol-induced gastric ulcer damage, providing a valuable pharmacodynamic substance for the future development of novel anti-gastric ulcer drugs, with broad application prospects.

1. The name of the design product: concentrated paste machine. 2. The use of the design product: for the concentration of traditional Chinese medicine liquid, decoction. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The bottom of the design product is the part that is not easy to see or cannot be seen during use, and the top view is omitted.

This invention provides a water extraction process based on a compound of Inonotus obliquus and ginseng, belonging to the field of modern extraction technology of traditional Chinese medicine. The invention involves soaking the raw materials in 450-900 ml of distilled water for 12 hours. The composition includes 15 parts ginseng and 30 parts Inonotus obliquus. After simmering over low heat for 1-2 hours, a concentrated extract is obtained, which can be extracted multiple times. The extract is dried under reduced pressure and pulverized to obtain an extract of the Inonotus obliquus and ginseng compound water. This invention provides a pharmaceutical composition for enhancing immunity and its preparation method, meeting clinical needs and factory production. For the first time, the optimal preparation process of the composition was explored based on the determination methods of total polysaccharide content and total saponin content. This invention allows for direct mixing and feeding of raw materials, resulting in a simple preparation process that minimizes quality differences between different batches of the drug, leading to more uniform and stable drug quality.

The invention relates to the field of traditional Chinese medicine preparation preparation, and discloses an anti-fatigue Longquan drink preparation method, which comprises: 1, carrying out low-temperature steam distillation treatment on radix fici simplicissimae, and collecting the distillate; step 2, carrying out curing treatment on the distillate to obtain aroma powder; step 3, mixing dried mulberry leaves, dried papaya, fried coix seeds and the radix fici simplicissimae treated in the step 1, and performing water extraction to obtain a water extract; 4, alcohol extraction is conducted on the medicine residues, and alcohol extraction concentrated extract is obtained; step 5, performing juicing treatment on the bamboo and the sugarcane to obtain bamboo and sugarcane concentrated juice; step 6, combining the bamboo cane concentrated juice, the water extract and the alcohol extraction concentrated extract, refining, and spray-drying to obtain extracted powder; and 7, uniformly mixing the extracted powder with the aroma powder, and carrying out dry granulation. According to the preparation method of the anti-fatigue Longquan drink, by optimizing the preparation process, the symbolic coconut fragrance of the radix fici simplicissimae is reserved to the maximum extent, and the product has high identification degree and traditional identification sense.

The invention provides an extraction method of a burdock extract and application of the burdock extract in anti-radiation drugs, and belongs to the technical field of important extraction. The preparation method comprises the following steps: crushing burdock slices or burdock tea, drying, extracting with water to obtain an extracting solution, concentrating to obtain a concentrated extract, and finally drying under reduced pressure to obtain the burdock extract. The burdock slices or burdock tea are extracted, the extraction mode is adjusted, the extraction rate and the purity of the extract are improved, and the radiation resistance is improved.

This invention discloses a concentrated extract composition of Polygonatum rhizome for nourishing the five internal organs and its preparation method, belonging to the field of traditional Chinese medicine processing technology. It includes concentrated Polygonatum rhizome, vitamin B1, vitamin B2, and water. The preparation method includes the following steps: S1, raw material screening and pretreatment; S2, low-temperature ultrafine pulverization; S3, segmented gradient extraction; S4, compound filtration purification: the extract is first coarsely filtered through a filter cloth to remove large particulate impurities, then the coarse filtrate is filtered through a ceramic membrane to remove fine impurities and some large molecular impurities, and finally the filtrate after ceramic membrane filtration is further purified by ultrafiltration to obtain a clear Polygonatum rhizome extract; S5, vacuum low-temperature concentration: obtaining concentrated Polygonatum rhizome; S6, formula mixing; S7, sterilization and packaging. This invention has the advantages of simple formula, high safety, preparation method that fully retains the effective components of Polygonatum rhizome, improves product stability and nourishing efficacy, and is suitable for large-scale industrial production.

This invention belongs to the technical field of repair and soothing compositions, and discloses a method for preparing and applying such a composition. The method for preparing the soothing and repairing composition includes the following steps: S1. Enzymatic hydrolysis: Add a compound enzyme to gentian root and forsythia respectively for enzymatic extraction to obtain gentian root suspension and forsythia suspension; S2. Three-phase extraction: Add PEG-400 and an ionic liquid to the gentian root suspension and forsythia suspension respectively, stir evenly to form a water-PEG-400-ionic liquid three-phase extraction system for extraction, and concentrate to obtain concentrated gentian root extract and concentrated forsythia extract; S3. Low-temperature directional fusion: Add the concentrated gentian root extract and concentrated forsythia extract in proportion, then add butylene glycol, stir evenly, and allow to fuse at 1-10℃. The soothing and repairing composition of this invention has a high retention rate of active ingredients, high stability, and excellent skin soothing effect.

The invention discloses an improved preparation process of a Maiwei rehmannia oral liquid, and relates to the field of traditional Chinese medicine pharmacy, and the preparation process comprises the following steps: S1, taking Maiwei rehmannia formula traditional Chinese medicinal materials according to a prescription amount, adding water, decocting, taking decoction, and filtering to obtain filtrate; s2, concentrating the filtrate obtained in the step S1 to obtain a concentrated extract with the relative density of 1.28-1.32 measured at 50 DEG C; s3, purified water is added into the thick extract obtained in the step S2, the mass ratio of the thick extract to the purified water is 1: (7-9), the thick extract and the purified water are stirred and mixed, and then the mixture is refrigerated and settled for 36-60 hours at the temperature of 2-8 DEG C; according to the improved preparation process of the Maiwei rehmannia oral liquid, the traditional two-time concentration and two-time refrigeration are changed into one-time concentration and one-time water precipitation, so that the production period is shortened, and the energy consumption and the production cost are reduced; the concentrated extract and purified water are mixed according to a specific proportion, refrigerated and settled.

The present invention relates to a method of preparing an Orostachys japonicus extract and, more specifically, to method of preparing an Orostachys japonicus extract, the method being for increasing the extraction efficiency of natural products having excellent antioxidant effects. The method of preparing an Orostachys japonicus extract, according to the present invention, comprises the steps of: hot air drying Orostachys japonicus; steaming the dried Orostachys japonicus; preparing an Orostachys japonicus extract by extracting the steamed dried Orostachys japonicus with alcohol; and preparing an Orostachys japonicus extract concentrate by vacuum-concentrating the extract.

The invention provides a bamboo extracting solution antiviral beverage formula and a production process thereof, and relates to the technical field of functional beverage production. According to the formula, bamboo glue and a fructose concentrated extracting solution serve as a core, a honeysuckle flower extract, phyllanthus emblica powder, a platycodon grandiflorum extract and menthol are matched, taste regulators such as honey and lemon juice are used as auxiliary materials, and a natural preservative and stabilizing system is added; the production process adopts key technologies of low-temperature blending, precise filtration, non-thermal sterilization and sterile cold filling, and active ingredients are reserved to the maximum extent. The core innovation lies in the synergistic antiviral design of bamboo glue, fructose and medicinal and edible components, and the ultrahigh pressure sterilization technology is combined, so that the pain points that the active components of the traditional beverage are easy to lose and the taste and efficacy are unbalanced are solved. The health-care tea has the effects of inhibiting and adsorbing common respiratory tract viruses, can relieve dry throat, swelling and excessive phlegm symptoms, has the effects of resisting viruses, moistening throat, reducing phlegm and resisting oxidation, tastes fresh and cool, and is suitable for daily drinking and respiratory tract protection scenes.

The invention provides a method for extracting and separating unsaturated fatty acid in a hippocampus japonicus body, and belongs to the technical field of biological separation. The method comprises the following steps: grinding a hippocampus japonicus sample, soaking with 75% ethanol, performing reflux extraction on the soaked sample for multiple times with 75% ethanol to obtain an extracting solution, filtering the extracting solution, collecting filtrate, concentrating and recovering to obtain a concentrated extract, dissolving the concentrated extract with ethanol, and performing freeze-drying to obtain the hippocampus japonicus freeze-dried powder. The preparation method comprises the following steps: loading on a silica gel column by a dry method, carrying out gradient elution on the silica gel column by adopting a mixed solvent of normal hexane, ethyl acetate and water to obtain a plurality of eluted parts, and further carrying out reverse silica gel column chromatography purification on the part with high content through thin-layer chromatographic analysis to obtain the unsaturated fatty acid. The EPA-containing unsaturated fatty acid is obtained through multiple reflux extraction of 75% ethanol and repeated purification of a silica gel column, and the method is simple to operate, low in cost and small in pollution, and can efficiently obtain the high-purity EPA-containing unsaturated fatty acid.

This invention discloses a facial cleanser containing moonflower white tea extract, its preparation method, and its application. The facial cleanser containing moonflower white tea extract comprises, by weight percentage, the following components: 0.5%–8% of a concentrated extract of moonflower white tea powder blended with astragalus and white truffle; 10%–30% of an amino acid surfactant; 2%–15% of glycerin; 0.1%–2% of panthenol; 0.05%–1% of sodium hyaluronate; 0.5%–5% of squalane; 0.1%–3% of ceramide; and 0.5%–5% of nicotinamide. This application uses a specific ratio of concentrated extracts of moonlight white tea, astragalus, and white truffle as its core active ingredients to achieve synergistic effects of multiple active components. The three are mixed and extracted in a mass ratio of 4:3:3, which allows for the simultaneous dissolution of active ingredients and achieves complementary whitening and moisturizing effects. Compared with white tea extract alone, the comprehensive effects of anti-oxidation, brightening, repairing, and anti-aging are significantly improved, solving the problem that single plant active ingredients cannot effectively nourish the skin in the short-term application of facial cleansing products.

A process for extracting a barley protein concentrate is disclosed, as well as the barley protein concentrate so-obtained. Also, are disclosed haircare products comprising the barley protein concentrate. Said concentrate has shown to be significantly effective in preventing and repairing damage to the hair structure, while making hair stronger and more resistant to breakage. The process of the invention is an ecological extraction process that preserves the beneficial properties of spent barley grains, while providing a concentrate enriched in proteins. This process uses advanced technologies to obtain pure and concentrated extracts, ready to be integrated into various haircare cosmetic formulations, such as creams, lotions, shampoos and masks.

The application discloses a kind of quick extraction methods of Hippocastanin in sea-buckthorn leaf, belong to plant active ingredient extraction technical field, the extraction method, including the following steps: defatted sea-buckthorn leaf powder is mixed with ethanol aqueous solution, extraction, and extract liquid is obtained, first vacuum concentration is reduced, and concentrated extract is obtained, the concentrated extract is mixed with distilled water, and separation first extract liquid;The first extract liquid is mixed with calcium oxide, after reaction, adjust pH, filter, and reaction liquid is obtained;Using macroporous cation resin, the reaction liquid is adsorbed and treated, second vacuum concentration is reduced, and concentrated reaction liquid is obtained;The concentrated reaction liquid is mixed with methanol, and precipitate is obtained after standing, and first extract is obtained;The first extract is heated and concentrated, crystallization, and hippocastanin is obtained.The extraction efficiency of the extraction method is high, the purification step is simple, and the purity of hippocastanin extracted is high.

The invention protects a plant extract concentration chromatography method and a plant extract concentration chromatography device. The extracting solution concentration chromatography method comprises the following steps which are executed in sequence: obtaining a concentrated extracting solution of which the ethanol concentration is relatively reduced by 20-60%; the concentrated extracting solution is conveyed to the chromatographic column for chromatography, and meanwhile, a new extracting solution is conveyed to the heating evaporation unit, so that the heating evaporation unit can continuously provide the concentrated extracting solution with the ethanol concentration relatively reduced by 20%-60% for the chromatographic column. The extracting solution concentration chromatography device comprises a heating evaporation unit, a chromatographic column, a concentrated solution delivery pump and an extracting solution delivery pump, wherein the heating evaporation unit is used for heating and evaporating an extracting solution to obtain a concentrated extracting solution of which the ethanol concentration is relatively reduced by 20-60%. According to the method disclosed by the invention, a paste extracting solution of which the solvent amount is reduced by 90% is not obtained, but a concentrated extracting solution of which the ethanol concentration is relatively reduced by 20-60% is obtained, chromatography can be carried out without a dilution step, and the energy consumption and the ethanol consumption are relatively low. Concentration and chromatography are synchronously carried out, so that the process time can be effectively shortened.