29 results about "Marigold extract" patented technology

The invention relates to a skin care composition for women and children and a preparation method thereof. The composition comprises the following components: tremella fuciformis extract nanocrystals, a calendula extract, an oat extract, dipotassium glycyrrhizinate, panthenol, sodium hyaluronate and the like. By using a nanocrystalline technology and a compound stabilizer, the moisturizing and anti-oxidation effects of the product are remarkably improved, and the product is suitable for various skins, especially sensitive skins. The product is safe and mild, effectively reduces skin irritation and improves the skin barrier function. The problems that an existing skin care product is not lasting in moisturizing effect and insufficient in oxidation resistance are solved, and an efficient and stable skin care solution is provided.

The invention belongs to the technical field of plant protection and biological prevention and control, and particularly relates to a biological preparation for efficiently preventing and controlling red spiders. The biological agent for efficiently preventing and controlling red spiders, provided by the invention, is prepared from the following raw materials in parts by mass: 5 to 10 parts of lactic acid, 10 to 15 parts of ethanol, 8 to 15 parts of chitosan, 12 to 25 parts of marigold extract, 3 to 8 parts of clove extract, 1 to 3 parts of cationic surface active agent, 1 to 3 parts of VC and 30 to 60 parts of deionized water. The invention has a triple action mechanism of charge repulsion, biological inhibition and physical plugging, and can efficiently prevent and control red spider pests.

The invention relates to the field of animal feed, in particular to cat food capable of improving cat tear stains and having a hair beautifying effect and a preparation method of the cat food. The cat food comprises the following components in parts by weight: 30-70 parts of poultry meat, 5-20 parts of fish meat, 2-22 parts of poultry viscera, 2-5 parts of vegetables, 0.5-5 parts of fish oil and 1.6-4.5 parts of a plant extract, the plant extract is cranberry extract, marigold extract and cassia seed extract; wherein the cranberry extract accounts for 0.5-2 parts, the marigold extract accounts for 0.5-1 part, and the cassia seed extract accounts for 0.5-1 part; 1-3 parts of yolk powder; the auxiliary materials comprise 0.1 to 0.5 part of taurine, 0.5 to 2 parts of lecithin, 0.1 to 0.5 part of yucca extract, 0.05 to 0.1 part of choline chloride, 0.1 to 0.2 part of sodium chloride, 0.1 to 0.3 part of fructooligosaccharide and 0.2 to 2 parts of additive premix feed. The raw materials are low in price and easy to obtain, all the components of the raw materials have a synergistic effect, nutrition is balanced, on the basis of improving cat tear stains, the hair beautifying function is achieved, meanwhile, the pet hair beautifying feed is beneficial to maintaining overall health of pets, the preparation method is simple and convenient, preservative additives are omitted, and the pet hair beautifying feed is safer and has good commercialized application prospects.

The utility model belongs to the technical field of marigold extract production, and particularly relates to a leaching device for marigold extract production, which comprises a leaching barrel with a discharge pipe at the bottom, and a mesh barrel is rotatably mounted at the center in the leaching barrel; a mesh pressing plate is arranged on the upper side of the interior of the mesh cylinder. According to the leaching device for marigold extract production, raw materials are all located in the mesh cylinder, leaching liquid is dispersed in the leaching cylinder, when the leaching liquid is discharged, separation between the raw materials and the leaching liquid is achieved, the working process is simplified, and therefore the working efficiency is improved, meanwhile, the raw materials are totally pressed in the mesh cylinder through the mesh pressing plate, and the leaching effect is good. According to the leaching device, the mesh barrel is arranged in the leaching barrel, so that leach liquor left in raw materials is extruded out, the situation that the leach liquor is not discharged completely and is wasted is avoided, the mesh barrel is directly extracted from the interior of the leaching barrel, residues can be moved out of the interior of the leaching barrel, and the interior of the leaching barrel is convenient to clean.

The invention belongs to the technical field of functional food, and particularly relates to a brain-strengthening and eyesight-improving composition as well as a preparation method, a product and application thereof. The composition is prepared from algal oil, linseed oil, arachidonic acid, marigold extract, zeaxanthin suspension oil, NA nervonic acid and PS phosphatidylserine according to a specific weight part ratio. Wherein the marigold extract is prepared by adopting freeze-grinding pretreatment, combining enzymolysis and an ultrasonic-microwave synergistic extraction technology, and performing nanofiltration membrane concentration and vacuum freeze-drying. According to the composition, through the synergistic effect of all the components and an innovative extraction process, the effects of efficiently strengthening the brain and improving eyesight are achieved, and compared with a traditional formula and an extraction method, the component activity retention and the effective component extraction rate are remarkably improved.

The invention relates to the technical field of aquaculture feed, in particular to a feed additive for improving ovary color of scylla paramamosain and application of the feed additive. The feed additive is prepared from the following raw material components in parts by mass: 30-60 parts of Chinese wolfberry fruit powder, 10-30 parts of a marigold extract, 2-8 parts of chenodeoxycholic acid and 5-15 parts of vitamin E powder. The additive systematically solves the technical bottlenecks of low absorptivity and unstable deposition of natural pigments in crab bodies through the synergistic effect of all the components. When the feed additive is added into feed for fattening female scylla paramamosain, the ovary redness value can be remarkably increased, the color is rich and natural, and meanwhile, the growth of parent crabs and the development of gonad are promoted. The feed is completely prepared from natural raw materials, is safe, free of residues and controllable in cost, and provides an effective scheme for realizing high-valued and green cultivation of scylla paramamosain'red cream crab '.

The invention provides a marigold extract preparation system and method.The marigold extract preparation system comprises a pretreatment unit, a mixing unit, a desolventizing unit and a saponification and purification unit, the saponification and purification unit comprises an alkali adding module, a membrane separation module and a secondary treatment module, the alkali adding module is used for adding potassium hydroxide into an extracting solution for saponification to obtain a saponified solution, and the membrane separation module is used for carrying out membrane separation on the saponified solution; the membrane separation module is used for filtering the saponification liquid to obtain relatively pure ultrafiltrate, and the secondary treatment module is used for carrying out water washing, alcohol washing and recrystallization on the ultrafiltrate to obtain lutein crystals. Specific extraction solvent, extraction time, extraction temperature, extraction solvent volume ratio and extraction times are given, a saponification process and a purification process of the xanthophyll extracting solution are optimized to obtain the xanthophyll extract with the purity of 95%, the xanthophyll extract is recrystallized to obtain the xanthophyll crystal with a good form, the purity of the xanthophyll crystal reaches 98.5% or above, and the xanthophyll crystal has a good crystal form. The enrichment degree of the xanthophyll is higher, and membrane holes are not easy to block.

The present invention relates to the technical field of poultry breeding, and proposes a method for breeding laying fowls throughout their life cycle, including dividing the life cycle of laying fowls into four stages, the first stage is 7-80 days old, adding calcium gluconate, L-lysine, taurine, zinc gluconate, B vitamins, psoralea corylifolia extract, oyster extract, the second stage is 80-350 days old, adding vitamin A, vitamin D3, vitamin E, methionine, lysine, marigold extract; the third stage is 350-550 days old, adding selenium-rich vitamin E, methionine, calcitonin, marigold extract, epimedium extract, motherwort extract, Ligustrum lucidum extract; the fourth stage is 20 days before elimination to elimination, adding L-lysine, zinc propionate, capsaicin, hawthorn extract, malt extract. Through the above technical scheme, the problem of low egg production of laying fowls in the prior art is solved.

The invention belongs to the technical field of cosmetics, and particularly discloses natural shower gel and a preparation method of the natural shower gel. Comprising the following components: sodium cocoyl amino propionate, disodium cocoyl glutamate, glycolipid, hydrolyzed corn starch, a lavender flower / leaf / stem extract, a calendula extract, a fructus kochiae extract, potassium sorbate, lysozyme, citric acid, jasmine petals, a centella asiatica extract, sodium lactate, an aloe barbadensis leaf extract, a chrysanthellum indicum extract and a camellia seed extract. And the balance of water. The raw materials of the shower gel are all natural sources, so that the shower gel has excellent safety, is mild and non-irritating, has a good decontamination effect, is easy to flush, has excellent skin care and repair effects, and does not contain beta 2 cancerogen dioxane and beta 1 cancerogen ethylene oxide of chemical surface active shower gel.

This utility model provides an extraction device for marigold extract production, including a heating tank, a circulation pipe, an extraction zone, a filter node, a circulation motor pipe, a finished product discharge pipe, and a sealing door. The circulation pipe is fixedly installed inside the heating tank via a support frame. The filter node is fixedly installed at both ends of the extraction zone, which is then fixedly installed inside the circulation pipe. The circulation motor pipe is fixedly installed at both ends of the circulation pipe, and the finished product discharge pipe is fixedly installed at the bottom of the circulation pipe. The sealing door is rotatably installed on the heating tank. The design of the heating tank and extraction zone in this utility model results in high extraction efficiency, convenient solvent recovery, and stable maintenance of the operating temperature.

The invention relates to a natural plant source root-knot nematode control nutrient solution as well as a preparation method and application thereof, and belongs to the technical field of agricultural biological control, the natural plant source root-knot nematode control nutrient solution comprises the following components in parts by mass: 30 parts of a cortex meliae extracting solution, 15 parts of a camphor extracting solution, 15 parts of sinapis alba oil, 25 parts of a marigold extracting solution and the balance of auxiliary components, and 100 parts of the natural plant source root-knot nematode control nutrient solution is prepared. The nutrient solution completely adopts natural plant extracts as main components, does not contain any chemical pesticide substances, does not pollute soil, water and other ecological environments in the use process, does not generate pesticide residues in agricultural products, guarantees the quality safety of the agricultural products and the sustainable development of the ecological environments, and is remarkable in prevention and treatment effect.

The present disclosure provides extracts and compositions comprising quercetagetin. In particular, the extracts are marigold extracts enriched with quercetagetin for cosmeceutical and dermatological application. Accordingly, embodiments herein include a cosmetic method and a dermatological method of treating skin by applying or administering, topically, the compositions comprising the marigold extracts disclosed herein.

The utility model relates to the technical field of lutein production, in particular to production equipment for preparing high-purity lutein ester from marigold extract, which comprises a stainless steel tank and a base fixedly arranged at the lower end of the stainless steel tank, a connecting frame is arranged on the outer wall of the stainless steel tank, and a driving component is arranged at the upper end of the connecting frame. A motor is started, a toothed bar is driven by an adjusting rod to periodically slide back and forth along a sliding groove, and a gear periodically rotates forwards and backwards, so that a first stirring blade periodically rotates forwards and backwards along the interior of the stainless steel tank, and a second stirring blade periodically rotates under the cooperation that a first bevel gear drives a second bevel gear; the rotating direction is always opposite to that of the first stirring blades, and under the cooperation of the second stirring blades and the first stirring blades, raw materials in the stainless steel tank can be fully mixed, so that the stirring speed is increased, the mixing effect is better, and the subsequent yield of lutein ester is higher.

An object of the present invention is to provide an eye care composition which can be produced with a reduced risk of failure during production by not using a bilberry extract raw material, has good formulation stability, and can be reduced in dosage.SOLUTION: The above object can be achieved by an eye care composition comprising a Haematococcus alga extract, a marigold extract, a propolis extract and vitamin A as active ingredients, and an eye care composition comprising astaxanthin, lutein, zeaxanthin, a propolis extract and vitamin A as active ingredients.SELECTED DRAWING: None

The present invention relates to the technical field of zinc oxide foam, and a kind of zinc oxide foam and preparation method thereof is provided.The zinc oxide foam comprises the following raw materials: isobutane, zinc oxide, 1,2-butylene glycol, polydimethylsiloxane, caprylic acid / capric acid triglyceride, steareth-21, cetearyl alcohol, glycerol, D-panthenol, sunflower seed oil, propane, steareth-2, hydroxypropyl methylcellulose, parahydroxyacetophenone, 1,2-hexanediol, 1,3-propylene glycol, marigold extract, phenoxyethanol, methylparaben and water.The zinc oxide foam of the present invention has lower foam density and higher foam stability, has good ultraviolet protection effect, and can absorb skin grease, regulate skin microenvironment, and contribute to wound healing.At the same time, due to the characteristics of its foam formulation, it can be easy to use, evenly distributed, will not leave obvious white residue on the skin, and provides a pleasant sensory experience.

The invention belongs to the technical field of organic fertilizers, and particularly relates to a soil organic fertilizer with livestock manure as a raw material and a preparation method of the soil organic fertilizer. The soil organic fertilizer with the livestock and poultry manure as the raw material comprises the livestock and poultry manure, plant extracts, humic acid, straw carbon, ground phosphate rock and complex microbial inoculants, the plant extracts comprise tea polyphenol extracts or marigold extracts, alfalfa extracts and saponin extracts, the complex microbial inoculants comprise trichoderma and bacillus subtilis, and the humic acid is humic acid. The fertilizer is prepared through treatment in a segmented fermentation mode, and the effects of improving nitrogen utilization, improving continuous cropping obstacles and improving soil are achieved after the fertilizer is applied.

The invention belongs to the technical field of food processing, and particularly relates to an anthocyanin-based healthy milk tablet and a preparation process thereof. The anthocyanin-based healthy milk tablets comprise the following components in percentage by mass: 3%-5% of blueberry anthocyanin, 0.2%-0.6% of selenium-enriched yeast, 0.2%-5% of a marigold extract, 0.4%-0.9% of zinc gluconate, 1.0%-1.9% of docosahexaenoic acid, 8%-9% of xylitol, 0.2%-0.3% of milk flavor powder, 18%-24% of maltodextrin, 10%-14% of microcrystalline cellulose, 0.02%-0.03% of magnesium stearate, 0.1%-0.5% of sodium chloride and the balance of water. And the balance of whole milk powder. The blueberry anthocyanin and the marigold extract prepared by using a special method have high nutritional value, meanwhile, the recycling of blueberry peel residue waste is realized, and the blueberry anthocyanin and marigold extract have economic value and environmental protection value.

The invention relates to the field of eye health, and discloses a myopia recovery and ocular axis retreating preparation technology, a preparation is prepared from raw stock and an active maintenance substance which are mixed according to a specific proportion, the raw stock comprises vitamin A, DHA, a marigold extract and astaxanthin algae powder, a mixed matrix composed of the blueberry and blackcurrant extract, the nut and ginger mixed juice, the Chuzhou chrysanthemum extracting solution and the celery juice is used as the balance; the preparation process comprises the following steps: extracting raw materials rich in anthocyanin by using warm water at 45-55 DEG C; and after filling and before final sterilization, refrigerating the product in an environment of 0-5 DEG C. Through strong antioxidation and microcirculation improvement functions, periorbital blood circulation and visual acuity of optic cells on the retina can be continuously improved for 24 hours, so that the lens curvature is continuously reduced, the pressure of aqueous humor applied to the sclera is reduced, meanwhile, the elastic fiber content in the sclera and the crystalline lens is gradually recovered, and the effect of improving the quality of the crystalline lens is achieved. The structures and functions of the sclera and the crystalline lens are gradually recovered, the structure of the sclera is remolded, and the ocular axis is retracted.

The invention relates to the technical field of eye care compositions, and discloses a calendula extract-containing antioxidant and anti-blue-light composition and a preparation method thereof, the calendula extract-containing antioxidant and anti-blue-light composition comprises, by mass, 28%-42% of an embedded core functional component, 12%-20% of a targeted auxiliary functional component and 50%-72% of a mild slow-release matrix component; the embedding core functional components comprise 12%-16% of a microcapsule embedded calendula extract, 9%-13% of microcapsule embedded xanthophyll, 6%-9% of a beta-cyclodextrin included buddleja officinalis extract and 3%-6% of a radix salviae miltiorrhizae extract; the targeted auxiliary functional components comprise 5%-7% of phosphorylated nicotinamide, 4%-6% of panthenol, 2%-5% of nano-liposome loaded beta-carotene and 1%-4% of graded molecular weight sodium hyaluronate. The calendula extract and the xanthophyll are synergistically embedded through the microcapsules, the 400-500 nm blue light blocking rate is larger than or equal to 75%, the DPPH free radical scavenging rate is larger than or equal to 95%, and the effect is obviously better than that of a traditional single-function product.

The present application belongs to the technical field of functional food, and particularly relates to a composition for invigorating brain and improving eyesight, a preparation method, a product and an application thereof. The composition is prepared from algal oil, linseed oil, arachidonic acid, marigold extract, corn xanthophyll suspension oil, NA nervonic acid and PS phosphatidylserine in a specific weight ratio. The marigold extract is prepared by adopting a freezing crushing pretreatment, combining with an enzymatic hydrolysis, an ultrasonic-microwave synergistic extraction technology, being concentrated through a nanofiltration membrane and being vacuum freeze-dried. The composition realizes the high-efficiency invigorating brain and improving eyesight effect through the synergistic effect of the components and the innovative extraction process, and is significantly improved in the component activity reservation and the effective component extraction rate compared with the traditional formula and extraction method.

The application discloses a color cosmetic with acne-removing function, and belongs to the technical field of cosmetics. The cosmetic aims to solve the technical problems of existing color cosmetic products, such as easy acne, single function and short-lasting fragrance. The application forms a stable acne-removing active compound by compounding green tea extract and purple marsh marigold extract with synergistic acne-removing effect and loading the green tea extract and the purple marsh marigold extract in a porous adsorption carrier through innovative carrier technology. The active compound can slowly release active ingredients after use, realize long-acting, mild anti-inflammatory, antibacterial and antioxidant care, and meanwhile, the application adopts cyclodextrin inclusion technology to microencapsulate plant essential oil fragrance, constructs a slow-release fragrance system, and enables the product to lastingly emit soothing fragrance. The application organically combines deep skin care function with color cosmetic modification and long-lasting fragrance experience, is particularly suitable for skin prone to acne, and meets the market demand of consumers for functional color cosmetics.

The present application belongs to the technical field of root rot prevention, and relates to a pesticide composition for preventing and treating asparagus root rot, and a preparation method and application thereof. The pesticide composition for preventing and treating asparagus root rot is prepared from the following raw materials: 5-10% of artemisia extract, 5-10% of marigold extract, 5-10% of azoxystrobin, 10-20% of difenoconazole, 5-10% of copper sulfate, 5-10% of benzoic acid, 1-2% of plant growth regulator, 1-5% of non-ionic surfactant, and the balance of water. The pesticide composition contains plant extracts and fungicides with different mechanisms, and the combination of the two achieves excellent efficacy in preventing and treating root rot. In addition, all components in the pesticide composition are low-toxic or micro-toxic substances, and are relatively safe to the environment and human bodies, and do not cause great harm.

A functional food composition for attenuating age-related cognitive decline comprises multiple synergistic and additive nutrient components formulated to mimic Mediterranean and MIND dietary patterns. The composition includes omega-3 fatty acids in phospholipid form from herring roe oil, fat-soluble vitamins including cholecalciferol and tocopherols, carotenoids from marigold extract, B-vitamins including nicotinamide and hydroxocobalamin, magnesium bisglycinate chelate, polyphenolic compounds including catechins, flavonols, anthocyanins, and pterostilbene from various plant sources, and I-theanine. The composition achieves greater than 80% nutrient bioavailability through specialized delivery systems, including immediate-release capsules, delayed-release enteric capsules, and lipophilic softgels. Administration for 4-52 weeks to adults aged 50-90 years with suboptimal dietary patterns produces measurable improvements in biomarkers of cognitive health. A systematic method for developing such compositions based on dietary pattern analysis and multi-criteria nutrient scoring. Additionally, a method of inducing changes in important markers for brain aging and disease using a dietary pattern directed nutritional supplementation regimen.

The invention relates to the technical field of cosmetic raw materials, in particular to a composition with soothing and repairing effects and a preparation method and application thereof.The composition is prepared from, by mass, 0.1%-1.0% of madecassoside, 0.1%-1.0% of meadowfoam seed oil, 1.0%-3.0% of calendula extract, 0.1%-0.3% of allantoin, 0.01%-0.05% of hydroxyethyl cellulose, 0.1%-0.3% of carbomer 981, 1%-5% of tween-20 surfactant, 1%-5% of essence and the balance deionized water. The madecassoside, the meadowfoam seed oil and the calendula extract are scientifically compounded to achieve a remarkable synergistic effect by taking the madecassoside, the meadowfoam seed oil and the calendula extract as the core active ingredients, adding the madecassoside, the meadowfoam seed oil and the calendula extract as the core active ingredients, uniformly mixing the madecassoside, the meadowfoam seed oil and the calendula extract to form the water-based bactericidal composition, and sterilizing the madecassoside, the meadowfoam seed oil and the calendula extract to form the water-based bactericidal composition.

The marigold extract saponification device comprises a tank body and a stirrer arranged in the tank body, a hot water jacket is arranged on the outer wall of the tank body, an alkali adding opening is formed in the side wall of the tank body, a circulating pipe is arranged between the bottom and the upper portion of the tank body, and a circulating pump is arranged on the circulating pipe. A feeding port, an alcohol inlet and an exhaust pipe are arranged at the top of the tank body, a cold water jacket is arranged on the outer side of the exhaust pipe, a central pipe is arranged on the vertical center line of the exhaust pipe, the upper end and the lower end of the central pipe are plugged, and the upper portion and the lower portion of the central pipe are communicated with the cold water jacket through transverse pipes respectively. An annular plate is arranged on the inner wall of the tank body below the liquid outlet of the circulating pipe, a short cylinder is arranged on the inner ring of the annular plate, and the upper end of the short cylinder is tooth-shaped. In conclusion, the saponification device has the advantages of being capable of recovering alcohol in time, safe, environmentally friendly and high in saponification efficiency.

The application provides a Hetian black chicken feed and a preparation method and application thereof, and belongs to the technical field of poultry breeding. By controlling the addition amount of 2% lutein chicken egg special extract of marigold in the basic daily ration, the comprehensive quality of eggs can be significantly improved, and the differential regulation of nutritional components can be realized. In terms of appearance quality, it can significantly enhance the yolk color, increase the eggshell thickness, and effectively reduce the breakage rate during the storage and transportation of eggs. In terms of internal quality, it reaches the national high-quality egg standard (>=72). In terms of nutritional components, the protein and fat content of eggs can be targetedly regulated. The comprehensive evaluation of six core indexes such as eggshell thickness and yolk color by the equal-weight standardization method shows that the 450mg / kg group has the highest comprehensive score, and is suitable for developing high-end characteristic egg products focusing on deep golden yolk and fat-soluble nutrients; the 300mg / kg group has the second highest comprehensive score, and is suitable for developing mass high-quality egg products emphasizing high protein and internal quality.

The invention relates to the technical field of fertilizers, in particular to a method for preparing a functional microbial organic fertilizer preparation from Chinese herbal medicines. According to the invention, the gynostemma pentaphylla dregs, the lindera aggregata dregs and the buckwheat straws are adaptively selected as complementary stacking materials and are stacked by a layered alternating method before the first turning; meanwhile, trichoderma harzianum, bacillus subtilis and streptomyces microflavus are constructed to serve as a composite flora, the flora is added step by step to prepare a microbial fermentation material with the high nutrient content, and the microbial fermentation material is used for preparing an organic fertilizer preparation finished product and has a positive effect on growth and quality improvement of crops. In addition, the marigold extract, the artemisia annua extract and the origanum vulgare extract are also added to construct a multi-aspect nematode-resistant system with the functions of repelling, protecting, blocking anabolism and damaging the integrity of a membrane, so that the prepared microbial organic fertilizer preparation can effectively have an excellent nematode-resistant effect.

The invention provides a biological compound preparation for preventing and controlling nematodes as well as a preparation method and application of the biological compound preparation. The biological compound preparation is prepared from the following components in parts by weight: 50 to 90 parts of oligosaccharide extracting solution, 15 to 35 parts of first plant extract and 15 to 35 parts of second plant extract, the first plant extract comprises any one or a combination of at least two of a pyrethrum extract, a garlic extract, a turmeric extract or a lavender extract; the second plant extract comprises any one or a combination of at least two of a marigold extract, a mugwort extract, a derris extract or a mint extract. The biological compound preparation prepared by utilizing the principle of natural biological defense lines in the nature has an excellent nematode control effect, the components are safe and pollution-free, and drug resistance is not generated; meanwhile, required nutritional ingredients are further provided for the plants, the growth of the plants is promoted, and the disease resistance of the plants is improved.

The invention relates to the technical field of substance extraction, and particularly discloses a marigold extract and a preparation method thereof. The method for preparing the marigold extract comprises the following steps: (1) taking marigold particles as a raw material, extracting with C6 alkane, and concentrating to obtain a concentrate I with the solid content of 25-40%; (2) fully mixing low-carbon alcohol at 55-65 DEG C, an alkaline solution with the concentration of 18-22% and the concentrate I at 50-60 DEG C, and separating the upper layer to obtain a solvent layer subjected to primary impurity removal; the volume ratio of the concentrate I to the low-carbon alcohol with the temperature of 55-65 DEG C to the aqueous alkali is 1: 1: (0.1-0.2); (3) fully mixing the solvent layer subjected to primary impurity removal with a salt solution at 20-30 DEG C, and separating the upper layer to obtain a solvent layer subjected to secondary impurity removal; (4) concentrating the solvent layer subjected to secondary impurity removal to obtain a concentrate II; and (5) fully mixing the concentrate II with low-carbon alcohol at 80-85 DEG C at 50-65 DEG C, and separating the lower layer to obtain an extract layer. The extract disclosed by the invention is free from special smell and high in yield.