203 results about "Ginkgo biloba" patented technology

A ginkgo canopy chlorophyll content estimation method based on an airborne hyperspectral image comprises the following steps: firstly, acquiring a ginkgo leaf canopy hyperspectral image and a chlorophyll content data set; and establishing a rapid prediction model for predicting the average content of chlorophyll in the canopy by using the hyperspectral image of the ginkgo leaf canopy, and predicting the corresponding chlorophyll content by using the model and taking the hyperspectral image of the ginkgo leaf canopy as input. The model establishment process comprises the following steps of: firstly, preprocessing an image by using multiple scatter correction (MSC); secondly, carrying out characteristic wave band selection on the preprocessed spectral data by adopting a competitive self-adaptive reweighted sampling algorithm CARS; and finally, substituting the screened characteristic wave band spectral data and the actually measured chlorophyll value into an XGBoost-RF machine learning model, and establishing a hyperspectral chlorophyll content estimation model. The method provided by the invention is a nondestructive rapid detection technology, and can monitor the plant health condition in real time.

The invention belongs to the technical field of medicines, and particularly relates to a composition for improving obesity and promoting cardiovascular health as well as a preparation method and application thereof. The composition is prepared from the following components in parts by weight: 5 to 20 parts of glycine betaine, 1 to 5.5 parts of choline chloride, 0.5 to 4 parts of L-theanine, 1 to 15 parts of alpha-ketoglutarate calcium, 0.5 to 3 parts of black ginger extract, 0.05 to 0.25 part of black pepper extract, 0.5 to 3 parts of ginkgo leaf extract and 1 to 6 parts of black garlic juice powder. According to the invention, the eight components are selected and are scientifically combined in an optimal quantity ratio range, and the prepared composition can better reduce the inflammation level of a body, regulate abnormal blood fat, improve the lipid metabolism disorder state and effectively reduce impulsive diet behaviors, so that comprehensive improvement of obesity and cardiovascular related risks is realized, and the health-care effect of a human body is improved. The body is effectively assisted to maintain metabolic health.

The present invention provides an anti-non-enzymatic glycosylation composition and its application, and a non-enzymatic glycosylation inhibitor. The anti-non-enzymatic glycosylation composition is composed of the following raw materials in parts by weight: 30 to 90 parts of sialic acid, 10 to 40 parts of ginkgo leaf extract, 10 to 40 parts of acerola extract, and 0.1 to 10 parts of rosemary extract. The composition of the present invention can achieve an anti-non-enzymatic glycosylation level comparable to that of the prior art by compounding sialic acid with ginkgo leaf extract, acerola extract, and rosemary extract in a specific ratio, while the stability is also improved. Applying it to health foods or cosmetics with anti-aging effects saves costs and is conducive to production and promotion.

The invention relates to the technical field of medical dressings, and discloses a medical dressing containing collagen and a preparation method thereof.The dressing is prepared from, by weight, 1%-12% of collagen, 1%-3% of biocompatible base material, 2%-5% of ceramide, 1%-3% of hyaluronic acid, 0.5%-6% of plant extract, 0.1%-1% of carbomer, 1%-3% of glycerinum, 2%-5% of propylene glycol and the balance deionized water. The plant extract is selected from a green tea extract, a licorice extract, a centella asiatica extract and a ginkgo leaf extract. The preparation method comprises the following steps: dissolving the biocompatible base material, carbomer, glycerol and propylene glycol in purified water, then adding collagen, ceramide, hyaluronic acid and plant extract, fully and uniformly stirring, filtering, and finally sterilizing. By optimizing the pretreatment and preparation process of the collagen, the biocompatibility, the stability and the multifunctionality of the medical dressing are remarkably improved, and the medical dressing is suitable for treating various skin problems.

The invention discloses a traditional Chinese medicine composition for diabetic foot ulcer and a preparation method thereof. Comprising effective extracts of folium ginkgo, radix astragali, rhizoma corydalis and rhizoma anemones raddeanae as active pharmaceutical ingredients. The traditional Chinese medicine composition has an obvious improvement effect on diabetic foot ulcer, the cure rate of a rat with the diabetic foot ulcer can be obviously increased, wound healing is accelerated, and the action mechanism of the traditional Chinese medicine composition is closely related to a Wnt / beta-catenin signal channel. In addition, the traditional Chinese medicine composition provided by the invention also has the advantages of simplicity in preparation, low cost, convenience in carrying and remarkable effect.

The utility model discloses a ginkgo leaf crushing device, which belongs to the relevant technical field of ginkgo leaf processing and comprises a rack, a crushing cylinder and a lifting crushing component, the rack has corresponding supporting force; the crushing cylinder is fixed on the rack and is internally provided with a corresponding accommodating chamber, and a discharging channel is formed at the bottom; a vibrating screen is arranged at the lower part in the accommodating cavity; the lifting crushing assembly comprises a lifting supporting unit which is erected above the crushing cylinder, a telescopic part can enter and exit from the crushing cylinder in the central axis direction of the crushing cylinder, and the telescopic part of the lifting supporting unit is connected with the mounting frame and used for placing and supporting the rotary drive; and the crushing unit is located at the bottom of the mounting frame, is connected with the rotary drive, carries out corresponding crushing operation at the corresponding height in the crushing unit, can limit the size of the crushing space, carries out crushing operation at different heights, and can carry out screening while crushing after crushing is carried out to a certain degree, so that the crushing efficiency is improved.

The invention provides a formula for relieving sore-throat and reducing phlegm and a preparation method thereof, and relates to the field of formulas for relieving sore-throat and reducing phlegm. The formula comprises 12-14 parts of poria cocos, 30-50 parts of radix asteris, 10-15 parts of semen lepidii, 8-12 parts of fructus amomi rotundus, 8-12 parts of folium ginkgo, 10-25 parts of a pinellia ternate agent, 10-15 parts of herba houttuyniae, 12-14 parts of fructus forsythiae, 10-16 parts of fructus arctii, 3-7 parts of water chestnut, 8-10 parts of sea blubber skin, 10-15 parts of pelvetia silquosa, 10-15 parts of semen sinapis, 8-10 parts of loquat, 28-36 parts of platycodon grandiflorum leaves, 18-25 parts of rhizoma belamcandae, 16-24 parts of liquorice and 8-15 parts of eucalyptus leaves. According to the formula capable of relieving sore throat and reducing phlegm, compatibility is carried out according to the principle of monarch, minister, assistant and guide, the unique medicine property and effect of the formula are achieved, the synergistic effect is achieved through mixing, the medicine effect is enhanced and balanced, and the medicine effect is improved; the effect of improving the immunity is achieved.

The invention discloses a tea leaf theanine composition for protecting a central nervous system as well as a preparation method and application thereof, relates to the field of common foods and health-care foods, and aims to solve the problems that most of existing central nervous protection products are single components or are simply compounded, the synergistic effect is weak and the bioavailability is low. The preparation method comprises the following steps: S1, mixing the tea leaf theanine, the emblic leafflower fruit powder, the ginkgo leaf extract, the wolfberry fruit powder and other raw materials according to a specific ratio, and performing high-temperature sterilization and cooling to obtain a fermentation substrate; s2, inoculating a composite activation microbial inoculum composed of plant lactobacillus, lactobacillus acidophilus and lactobacillus reuteri, and carrying out constant-temperature anaerobic fermentation; and S3, freezing and centrifuging at 4 DEG C, concentrating with an RO membrane, and freezing and drying to obtain the composition. The viable count of the complex microbial inoculant reaches 2.0 * 10 < 9 >-3.0 * 10 < 9 > CFU / mL, and the strain ratio and the fermentation process are optimized. The composition has a synergistic effect of multiple components, can efficiently protect nervous centralis, and is suitable for preparing related common food, health food or functional food.

The invention belongs to the technical field of preparation of health-preserving drinks, and particularly relates to selenium-enriched ginkgo flavone traditional Chinese medicine health-preserving wine and a preparation method of the selenium-enriched ginkgo flavone traditional Chinese medicine health-preserving wine. Comprising the following raw materials in parts by mass: 10 parts of corn kernels, 3-5 parts of mushrooms, 6 parts of oat, 3 parts of soybeans, 3.5-5.5 parts of ginkgo leaves, 2 parts of Chinese dates, 1.5 parts of crystal sugar, 0.8-1.2 parts of honey, 0.8-1.2 parts of fruit juice modified liquid and 1 part of a traditional Chinese medicine extracting solution. According to the selenium-enriched ginkgo flavone traditional Chinese medicine health-preserving wine, corn kernels, mushrooms, oats and soybeans are used as selenium-enriched raw materials, long-chain polysaccharides of the corn kernels, the mushrooms, the oats and the soybeans form a compound, and flavone protection and selenium absorption promotion are achieved in combination with a colloid environment and fruit juice modified liquid; polysaccharide, organic selenium and ginkgo flavone are cooperated, so that the health-care wine is upgraded to target conditioning; through'chemical reaction-slow release conversion ', bitterness is covered, flavor is increased, and health preserving and taste are balanced.

The invention relates to the technical field of traditional Chinese medicine health-care products, and particularly discloses an earthworm protein peptide composition for improving vascular embolism and a preparation method thereof.The earthworm protein peptide composition is prepared from, by weight, 28-34 parts of earthworm protein peptide, 20-26 parts of active pharmaceutical ingredients, 1-5 parts of ginkgo biloba extract, 12-15 parts of corn oligopeptide powder and 4-8 parts of auxiliary materials; lumbricus protein peptide, active pharmaceutical ingredients, ginkgo biloba extract and corn oligopeptide powder are used as raw materials, a solubilizing component is added in the preparation process, the solubilizing component is prepared by mixing functional extract, nattokinase and tween-80 according to a certain proportion, the functional extract is prepared by coating grape seed extract with hydroxypropyl-beta-cyclodextrin, and the solubilizing component is prepared by mixing the functional extract, the nattokinase and the tween-80 according to a certain proportion. Through the synergistic effect of the components, the antithrombotic effect of the earthworm protein peptide composition is synergistically enhanced.

The invention discloses a plant bactericide and a preparation method thereof, and relates to the technical field of bactericides. Comprising the following components: 30-40 parts of plant source extract nano microcapsules, 5-8 parts of a nano carrier, 3-6 parts of a composite synergist, 4-6 parts of dextran, 1-3 parts of eugenol, 4-8 parts of hydroxypropyl trimethyl ammonium chloride chitosan, 3-5 parts of an auxiliary agent, 50-60 parts of ethanol, 100-150 parts of water and 3-5 parts of an emulsifier. The plant source extract is prepared by extracting the following raw materials in parts by weight: 10-20 parts of peach pit green tangerine peel, 8-15 parts of Chinese prickly ash, 4-6 parts of radix sophorae flavescentis, 3-5 parts of ginkgo leaves, 3-5 parts of garlic, 5-8 parts of eucalyptus leaves and 3-5 parts of sophora alopecuroide. The plant bactericide has the advantages of obvious bactericidal effect, low drug resistance risk and good field control effect.

The invention provides a fluffy oil-control composition, a preparation method and application of the fluffy oil-control composition in shampoo products, and belongs to the technical field of cosmetics. The fluffy oil control composition is prepared from a plant extract and lauroyl alanine, the plant extract is a mixture of a rice husk extract, a salvia officinalis extract, a ginkgo leaf extract and a rosemary extract, and the antibacterial and oil-control effects of the composition are obviously improved by controlling the mass ratio of the plant extract to the lauroyl alanine and the specific components of the plant extract; when the fluffy oil-control composition is applied to shampoo, the fluffy feeling of hair can be obviously improved.

The application discloses a ginkgo female-male identification method and system based on RGB image background expansion, relates to the technical field of forestry production, and comprises the following steps: performing binaryzation segmentation, background expansion and real label marking on the obtained sample ginkgo leaf RGB image in sequence to obtain sample data; using part of the sample data to train Resnet101 network model, Inception-v3 network model and Inception-Resnet-v2 network model respectively to obtain three ginkgo female-male classification models; inputting part of the sample data into the three female-male classification models respectively, adopting majority voting decision to encapsulate the three female-male classification models according to the output results of each female-male classification model, and forming a majority decision ginkgo female-male prediction model to detect the female-male classification identification result of the ginkgo leaf. The application can realize rapid, accurate and low-cost detection of the gender of ginkgo.

The invention relates to the technical field of traditional Chinese medicine tablet production, in particular to a production process and device of traditional Chinese medicine component tablets for treating cerebral arterial thrombosis, and the process comprises the following steps: squeezing celery and pumpkin vines in a juice squeezer, and sequentially filtering, deoxidizing and vacuum freeze-drying to obtain fine powder for later use; soaking salvia miltiorrhiza, pseudo-ginseng, ginkgo leaves, astragalus membranaceus and liquorice in a container, boiling, and mixing the two extracting solutions for later use; the preparation method comprises the following steps: putting naffide and betahistine into a container, adding distilled water, and uniformly stirring to obtain a solution for later use; and mixing the obtained fine powder, the filtrate and the solution, adding distilled water, then carrying out spray granulation, then carrying out tabletting forming, then carrying out drying again, and carrying out sealed packaging. The production device comprises a granulating structure, a forming structure and a feeding communicating structure. The traditional Chinese medicine component tablet can soften blood vessels, promote blood circulation and quickly and effectively treat cerebral arterial thrombosis, meanwhile, the production process is simple, the production efficiency is high, and industrial production is easy to achieve.

The application discloses a method for extracting ketone ester from ginkgo leaves, products and applications thereof, and relates to the technical field of plant extraction. The method comprises the following steps: uniformly mixing ginkgo leaf dry powder with lime water suspension, then performing hydrothermal extraction, then separating to obtain filtrate, and adjusting the pH value of the filtrate to neutral to obtain pH-neutral filtrate; using a macroporous resin to perform adsorption and elution treatment on the pH-neutral filtrate to obtain eluate, and performing drying treatment on the eluate to obtain ginkgo leaf ketone ester; the elution treatment uses ethanol aqueous solutions with increasing concentrations in sequence. The method provided by the application can effectively improve the extraction yield of ginkgo leaf ketone ester, and the antioxidant effect of ginkgo leaf ketone ester obtained by using the method is greatly improved.

1. Name of the designed product: brooch (the rhythm of ginkgo leaves). 2. Use of the designed product: the designed product is used as a decoration. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention discloses a soft capsule containing a ginkgo leaf extract and preparation equipment, and relates to the field of ginkgo leaf extraction. The preparation equipment of the soft capsule containing the ginkgo biloba extract comprises an extraction tank and a fermentation tank, and further comprises a spiral groove formed in the fermentation tank; the air bag is connected into the fermentation tank in a sliding manner; the air bag capable of moving up and down and rotating is arranged in the fermentation tank, the stirring rod on the air bag is used for stirring the fermented material, the fermented material is uniformly fermented, suction force can be generated through the grinding shaft rotating along the side wall of the extraction tank, ginkgo leaves floating in water are adsorbed, and the fermentation effect is improved. And then the ginkgo leaves are in contact with the side wall of the extraction tank for extrusion, water is discharged, the ginkgo leaves do not need to be fished out, the ginkgo leaves on the grinding shaft do not need to be cleaned, the working efficiency is improved, and extraction of the ginkgo leaves is facilitated.

The invention discloses preparation and application of broad-spectrum antibacterial and antiviral nano-zinc and compound nano-zinc, and belongs to the technical field of medical materials. The method comprises the following steps: mixing a ginkgo leaf extracting solution with a zinc salt aqueous solution, and carrying out reduction reaction under ultrasonic and stirring actions to obtain a nano zinc solution. Adding vitamin C and N-acetylcysteine into the nano-zinc solution, continuously carrying out reduction reaction under the ultrasonic and stirring action, and then uniformly mixing with an isometric aqueous solution containing anti-inflammatory, antipyretic and analgesic components to obtain the compound nano-zinc solution. And uniformly mixing the obtained nano-zinc solution or compound nano-zinc solution with sodium hyaluronate hydrogel with the same mass as the nano-zinc solution or compound nano-zinc solution to obtain nano-zinc gel or compound nano-zinc gel. The method provided by the invention avoids toxic and side effects caused by using chemical reducing agents such as hydrazine hydrate, sodium borohydride and the like to prepare nano-zinc. The nano-zinc and the compound nano-zinc have excellent characteristics of broad spectrum, high efficiency, antibacterial property and antiviral property, and have a good application prospect.

The invention relates to a down feather heat preservation finishing agent and a preparation method thereof, and belongs to the field of down feather finishing agents, the down feather heat preservation finishing agent is prepared from the following raw materials: a cyclodextrin derivative, functional powder, 2, 2 '-disulfonic acid benzidine and deionized water, the cyclodextrin derivative is obtained by sequentially mixing dimethyl sulfoxide, a ginkgo leaf fermentation product, pullulanase and ethanol into beta-cyclodextrin, then carrying out centrifugal treatment to obtain a precipitate, and finally drying the precipitate. A cyclodextrin derivative contained in the down feather heat-preservation finishing agent is beta-cyclodextrin modified by ginkgo leaf leavening, and the down feather heat-preservation finishing agent further comprises functional powder which is obtained by taking a zirconium diboride precursor solution as a raw material, mixing with mint essential oil and matching with a high-temperature calcination means, so that after the down feather heat-preservation finishing agent is applied to down feather, the heat preservation effect of the down feather is improved; the heat preservation performance of the down feather can be enhanced, and the heat preservation performance of the down feather can be stably maintained for a long time.

The health-preserving conditioning tea is prepared from the following raw materials in parts by weight: 3 to 8g of earthworms, 2 to 9g of flos carthami, 4 to 7g of ground beetles, 5 to 10g of leeches, 1.5 to 6g of radix aucklandiae, 3 to 8g of herba verbenae, 2 to 5g of gadflies, 3 to 7g of arisaema cum bile, 6 to 10g of radix salviae miltiorrhizae, 4 to 8g of radix paeoniae rubra, 2 to 6g of bombyx batryticatus, 1.5 to 5g of scorpions and 4 to 9g of folium ginkgo. The conditioning tea has the beneficial effects that the conditioning tea not only can replace traditional western medicines and avoid drug resistance and side effects, but also is convenient to carry and take after being bagged, can relieve and reduce the symptoms of cardiovascular and cerebrovascular plaques, namely blockage, during long-term taking according to the treatment course, can prevent cardiovascular and cerebrovascular diseases, activate blood and promote menstruation, and can be used for treating cardiovascular and cerebrovascular diseases. The traditional Chinese medicine composition has the effects of tonifying qi, preserving health, reducing blood fat and blood pressure, and also can be used for treating diseases such as chest distress, chest pain, cardiac hypertrophy, mitral valve and tricuspid valve regurgitation, myocardial ischemia and the like.

The invention relates to the technical field of probiotic preparations, in particular to a hericium erinaceus and ginkgo leaf probiotic composition and a preparation method thereof.The hericium erinaceus and ginkgo leaf probiotic composition is prepared from, by weight, 25-32 parts of fermentation extract, 5-10 parts of probiotic composition and 5-8 parts of auxiliary materials; the preparation method of the hericium erinaceus and ginkgo leaf probiotic composition comprises the following steps: putting the fermentation extract and the auxiliary materials into a high-speed mixer, uniformly mixing, then adding the probiotic composition, and fully and uniformly mixing to obtain the hericium erinaceus and ginkgo leaf probiotic composition. The hericium erinaceus and ginkgo leaf probiotic composition has obvious effects on cognitive repair, emotion improvement and behavioral activity recovery, and can effectively improve memory impairment of AD mouse space work.

The invention belongs to the technical field of preparation of health-preserving drinks, and particularly relates to ginkgo flavone health-preserving wine and a preparation method thereof. The ginkgo flavone health-preserving wine is prepared from the following raw materials in parts by weight: 10 to 30 parts of ginkgo leaves, 0.5 to 2 parts of pericarpium citri reticulatae flavored inclusion compound, 10 to 20 parts of xylitol and 1 to 2 parts of jujuboside. The ginkgo flavone extract extracted from ginkgo leaves is prepared into a stable nanoscale inclusion structure, the core efficacy of ginkgo flavone is effectively protected, and efficacy attenuation caused by oxidation and other factors in a wine base environment is avoided; the pericarpium citri reticulatae-flavored inclusion compound effectively reduces possible stimulation of ginkgo flavone to gastrointestinal tracts, and meanwhile, the characteristic that the pericarpium citri reticulatae-flavored inclusion compound is easy to volatilize is improved, so that the two active ingredients can stably play a role in the wine for a long time, and the palatability and the stability are both improved.

The invention relates to a fermented traditional Chinese medicine composition for preventing and treating piglet viral diarrhea as well as a preparation method and application thereof, and relates to the technical field of livestock breeding. The feed is prepared by taking traditional Chinese medicine components as basic raw materials and adding probiotics for fermentation, and the traditional Chinese medicine components comprise the following raw materials in parts by weight: 0.5-1.5 parts of cardamine violifolia dry powder, 5-15 parts of Chinese pulsatilla root, 10-20 parts of coptis chinensis, 10-20 parts of golden cypress, 10-20 parts of ash bark, 4-8 parts of turmeric, 6-10 parts of pumpkin seeds and 4-8 parts of a ginkgo leaf extract feed additive. Through cooperation of multiple components, the immunity and antioxidant functions of the body are enhanced, the structural integrity of the intestinal tract is maintained, piglet diarrhea caused by PEDV infection is effectively relieved, and growth and development of the piglet are promoted; local specialty crops are selected as medicines, and theoretical basis and practical reference are provided for deep processing of local genuine medicinal materials and PED prevention and control.

1. The name of the product of this design: Gua Sha Board (Ginkgo Leaf). 2. Purpose of the product with this appearance design: The product with this appearance design is used for scraping and massage. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention belongs to the technical field of plant beverage processing, and particularly relates to a gingko, dendrobium officinale and ginseng plant beverage crushing, mixing and preparing device which comprises a mixing and preparing machine, a universal pulverizer, an ultrafine pulverizer, a freezing pulverizer and a high-pressure homogenizer, and the mixing and preparing machine comprises a material cavity, a feeding opening, a discharging opening and a stirring mechanism; the preparation method of the mixing preparation machine comprises the following preparation steps: S1, raw material pretreatment: selecting ginkgo leaves, fresh dendrobium officinale strips and ginseng rhizomes which are free of mildew and diseases and insect pests, cleaning the ginkgo leaves, drying the ginkgo leaves with hot air, removing fibrous roots from the fresh dendrobium officinale strips, cutting the fresh dendrobium officinale strips into long sections, peeling the ginseng rhizomes, and cutting the peeled ginseng rhizomes into long slices; s2, graded crushing is conducted, specifically, the pretreated ginkgo leaves are put into a universal pulverizer to be pulverized and then transferred into an ultrafine pulverizer to be further pulverized into fine particles, and the device solves the problems that when the ginkgo, dendrobium officinale and ginseng plant beverage is prepared through crushing and mixing at present, the mixing effect is poor, and the stability and taste of the beverage are directly affected.

The present invention discloses a Chinese herbal medicine composition and preparation for hair growth. The composition primarily contains the following ingredients: Sanguisorba officinalis, Platycladus orientalis leaves, dried ginger, loquat leaves, ginkgo leaves, dandelion, and liquorice. The composition is subjected to a specific extraction process to obtain a corresponding extract, which exhibits excellent antibacterial and anti-inflammatory effects. This composition, based on carbomer as a matrix, 60% alcohol as a solvent, and glycerin, propylene glycol, azone, etc., is added to prepare a topical hydrogel. When applied topically to the scalp, the hydrogel exhibits anti-inflammatory, antibacterial, blood-activating, and hair follicle-nourishing effects. By increasing the number and activity of hair follicles, it increases the number and density of hair, achieving the desired effect of hair growth and development.

The application provides a detection method of chemical components in a traditional Chinese medicine composition. The detection method is combined with liquid chromatography and mass spectrometry, and is used for qualitative detection of chemical components in a traditional Chinese medicine composition prepared from red peony root, astragalus root, rehmannia root, safflower, female privet fruit, eclipta, rhubarb, panax notoginseng, giant worm, ginkgo leaf, cassia seed and paeonia suffruticosa. 82 kinds of chemical components are detected and confirmed from the traditional Chinese medicine composition, so that the detection method can be used as a discrimination method for quality control of the traditional Chinese medicine composition, and can provide analysis technical support for mechanism research and effective component research of the traditional Chinese medicine composition.

The present invention discloses a method for extracting flavonoids from ginkgo leaves by water immersion, wherein the extraction comprises adding crushed ginkgo leaves into a complexing agent solution, stirring and extracting in an extraction tank, and filtering after extraction; the complexing agent is an electron-deficient compound containing a boron element, specifically a borate, and the boron anion group of the borate is [BO3] 3‑ or [BO4] 5‑ The extraction method adopts column chromatography adsorption and decomposition, and an ethanol solution is used as a decomposition liquid during the decomposition process, which can decompose the complexing agent and thereby obtain flavonoids. The present invention uses a complexing agent aqueous solution for extraction and an ethanol solution as a decomposition liquid during column chromatography decomposition, which can improve the low solubility of flavonoid components in water, improve the extraction rate, and significantly reduce the extraction temperature and water usage. Compared with organic solvent extraction, it reduces costs and environmental pollution, and reduces the impurity content of the extract.

The present invention relates to a method for manufacturing a tea bag composition containing ginkgo leaves, which contains stevia, mulberry leaf powder and leaves of ginkgo trees, which are a Korean native variety native to Cheongna-myeon, Janghyeon-ri Ginko Village in Boryeong-si, Chungcheongjang-do, the composition being manufactured using a special fermentation process in order to increase the unique flavor.

The invention belongs to the technical field of traditional Chinese medicines, and particularly relates to donkey-hide gelatin with an effect of improving senile dementia and a preparation method thereof. The donkey-hide gelatin with the effect of improving senile dementia is prepared from the following raw materials in parts by mass: 15 to 30 parts of donkey-hide gelatin, 10 to 20 parts of radix angelicae sinensis, 12 to 22 parts of rhizoma atractylodis macrocephalae, 5 to 15 parts of herba rhodiolae, 1 to 10 parts of folium ginkgo, 7 to 17 parts of radix codonopsis and 1 to 14 parts of fructus lycii. The colla corii asini with the effect of improving senile dementia, prepared by the invention, is clear and simple in formula and good in compounding effect, and has a very good curative effect on senile dementia.