78 results about "Polygonum Cuspidatum Root" patented technology

A food recipes for nourishing, maintaining and cultivating a variety of stem cells, each unit of the food recipes includes grape skin/polygonum cuspidatum root extracts; pseudo-ginseng extracts; cooked polygonum multiflorum thunb extracts; salvia miltiorrhiza bunge extracts; blueberry extracts; bitter melon extracts; soybean extracts; ginseng extracts; rhodiola extracts; yam extracts; licorice extracts; kudzu extracts; brown algae extracts; green algae extracts; szechuan lovage rhizome extracts, Green tea extracts; apple extracts; leek seed extracts; wolfberry extracts; marigold extracts; ganoderma lucidum extracts; caterpillar fungus extracts; agaricus blazei extracts; cistanche deserticola extracts; mushroom extracts; beer yeast; flaxseed oil powder; and vitamin.

The invention discloses a multi-effect skin care composition, essence and a preparation method of the essence. The skin care composition includes the following components, in percentages by mass: 1 to2.5% of a natural extract, 0.1 to 0.5% of a yeast extract, 0.1 to 0.5% of polypeptide, and the balance of a substrate, wherein the natural extract is one or more selected from the group consisting ofpaeonia albiflora root, rosa canina fruit, origanum majorana leaf, rubus suavissimus leaf, leontopodium alpinum, ginkgo biloba leaf, rhodiola rosea, panax ginseng root, scutellaria baicalensis root,polygonum cuspidatum root, ledebouriella divaricata root, zizyphus jujuba fruit, citrus limonum, schizandra chinensis fruit, morus alba bark, tremella fuciformis, chamomilla recutita flower, centellaasiatica, melissa officinalis and salix alba bark. The plurality of natural extracts in the multi-effect skin care composition provided by the invention have the functions of moisturizing, anti-inflammatory and repairing cells; and the composition also contains the polypeptide and the yeast extract liquid, multiple active ingredients are compounded to repair damaged cells while keeping moisture and supplementing water, removes free radicals in skin, provides nutrient substances to the skin, and can restore the skin to an elastic and delicate state.

The invention discloses a moisturizing cream capable of soothing, repairing and brightening, and relates to the technical field of cosmetics. The moisturizing cream comprises the following raw material ingredients: Macadamia Ternifolia seed oil, Simmondsia Chinensis seed oil, avocado tree fruit butter, radix sophorae flavescentis extracts, centellae herba extracts, fructus lycii extracts, centellae herba extracts, glycyrrhiza glabra root extracts, butanediol, hydrogenated polyisobutene, glycerin, cetostearyl alcohol, polydimethylsiloxane, panthenol, PEG-100 stearate, rice bran acid, scutellariae radix extracts, harba dendrolii nobilis stem extracts, polygonum cuspidatum root extracts, tea extracts, chamomilla recutita flower extracts and the like. Through added radix sophorae flavescentisextracts, centellae herba extracts, fructus lycii extracts and glycyrrhiza glabra root extracts, the moisturizing cream has the functions of whitening, protecting the skin, resisting inflammation, repairing the injured skin, improving skin resilience and inhibiting melanin generation and achieves the efficacy of resisting inflammation, soothing, repairing and brightening the skin while a water replenishing and moisturizing effect is provided for the skin.

The invention relates to a moisturizing composition and a skin protection product, which belong to the technical field of daily chemicals. The moisturizing composition provided by the invention mainly comprises the following raw materials in parts by weight: 1-4 parts of jania rubens extracts, 1-4 parts of hydrolyzed align, 0.5-3 parts of polygonum cuspidatum root extracts and 0.5-2 parts of gotu kola extracts. Through matching of all the raw materials, the moisturizing composition has the excellent effects of moisturizing and promotion of synthesis of collagens. In addition, the invention also provides the skin protection product containing the moisturizing composition. The skin protection product has the advantages of realizing deep and lasting moisturizing, obviously smoothing and tightening and skin and smoothing wrinkles, and the roughness and the glossiness of the skin can be improved from inside to outside in a lasting way, so that the status of the skin is improved fundamentally.

The invention discloses pesticide composition and an application thereof and relates to the technical field of pesticide compounding. The composition is derived from polygonaceae polygonum cuspidatum.An extraction process of the composition comprises the steps as follows: 1) treatment: rhizomes of polygonum cuspidatum are crushed to be in a certain particle size, the polygonum cuspidatum is subjected to extraction with an extraction solvent, and a polygonum cuspidatum crude extract is obtained; 2) treatment: the polygonum cuspidatum crude extract in step 1) is subjected to acid hydrolysis, enzymolysis or microbial fermentation conversion treatment; 3) separation: the treated polygonum cuspidatum crude extract in step 2) is subjected to partial or complete separation of resveratrol, the solvent in residues obtained after separation is partially or completely removed, and the pesticide composition is obtained. Research finds that the components of the composition obtained after glycoside ligand is converted into non-glycoside ligand through acid hydrolysis, enzymolysis or microbial fermentation conversion become simple, stability of all components in the composition is guaranteed, and the utilization rate of the polygonum cuspidatum extract is increased.

The invention provides a flat-lobster feed additive and a preparing method. The flat-lobster feed additive is prepared from medicated leaven, radix astragali, roots of hairy asiabell, fennel, hawthorns, the roots of bidentate achyranthes, acanthopanax roots, pokeberry roots, poria cocos, medicine terminalia fruits, radix ranunculi ternati, betel nuts, corydalis tubers, angelica sinensis, cassia barks, the seeds of cowherb, common andrographis herbs, isatis roots, uniflower swisscentaury roots, cyrtomium rhizomes, polygonum cuspidatum roots, Chinese gentian roots and herba portulacae. The flat-lobster feed additive has the advantages that raw materials are pure Chinese herbs, the flat-lobster feed additive has multiple nutritional ingredients, multiple bioactive substances and the dual effects of medicine and nutrients, and is environmentally friendly, small in toxic and side effect, high in safety and capable of resisting bacteria, conducting sterilizing and inhibiting viruses, the organism immunity of flat lobster is remarkably improved, the growth speed and the survival rate of flat lobster are remarkably increased, meat of flat lobster is fresher and more tender in quality and nutrient, and the flat-lobster feed additive further has the advantages of being low in cost, convenient to process, free of medicine resistance, small in medicine residue number and remarkable in effect.

The invention relates to an anti-blue ray compound and a preparation method thereof. The anti-blue ray compound comprises the following components: a first raw material, a second raw material and a third raw material; the first raw material comprises deionized water, 1,3-butanediol, hydroxyacetophenone, sodium hyaluronate, styrene/polyvinylpyrrolidone and 1,2-hexanediol; the second raw material comprises bio-saccharide gum-4, algae extractive, centella extractive, polygonum cuspidatum root extractive, scutellaria baicalensis root extractive, tea extract, glycyrrhiza glabra root extract, chrysanthemum extract, rosemary leaf extract, carnosine, nicotinamide, diethoxy ethyl succinate and triethyl citrate; the third raw material comprises fibronectin, coco polypeptide, rose hydrolat, citrus extract and coffee seed extract. The preparation method comprises the following steps: adding the components of the first raw material except for 1,2-hexanediol, thereby acquiring a first mixture; adding the second raw material, the third raw material and 1,2-hexanediol into the first mixture, thereby acquiring an end product. The product provided by the invention is capable of effectively preventing and repairing blue ray harm.

The invention discloses a compressed dry towel for mothers and infants and a preparation method thereof. The refined emulsion is applied to soak both sides of a sterile non-woven fabric, dried at a high temperature and compressed into a flat cylindrical compressed dry towel with a small volume. The emulsion on the non-woven fabric includes cosmetic base and plant extracts, the plant extracts are centella asiatica extract, scutellaria baicalensis root extract, knotweed root extract, tea extract, licorice root extract, mother chrysanthemum flower Extract, a mixture of rosemary leaf extract. The compressed dry towel for mothers and infants of the present invention can be used for infant skin care, buttock wiping, and milk stain cleaning after being soaked in water, can clean and moisturize the skin of infants, and effectively prevent eczema and diaper rash.

The invention discloses a Polygonum cuspidatum root endophytic strain. The strain is named Penicillium oxalicum G3 in a classified way, the strain was collected in China General Microbiological Culture Collection Center on January 17, 2011, and the collection number is CGMCC NO.4558. Polydatin in Polygonum cuspidatum can be transformed into resveratrol by inoculating the strain into a culture medium containing Polygonum cuspidatum boiling extracting solution, so that the polydatin can be directly transformed into the resveratrol through microbial fermentation, the extraction of the polydatin is not required, the cost can be saved, and the pollution to the environment can be reduced.

The invention relates to a traditional Chinese herbal composition used for caring epidermal stem cells of skin, and a mask comprising the traditional Chinese herbal composition. The traditional Chinese herbal composition is prepared from 5 to 11 weight percent of grape skin or polygonum cuspidatum root extracts, 0.5 to 1.1 weight percent of mulberry leaf extracts, 5 to 11 weight percent of radix astragali extracts, 0.7 to 1.3 weight percent of centella asiatica extracts, 3 to 9 weight percent of brown algae extracts, 1 to 5 weight percent of rose extracts, 1 to 5 weight percent of rhodiola rosea root extracts, 0.5 to 6.5 weight percent of liquorice root extracts and 51 to 83 weight percent of additives. The effect of caring the epidermal stem cells of the skin can be achieved.

The invention relates to a Chinese traditional medicine ointment for curing scalds, which comprises the following raw materials in parts by weight: 10-15 parts of polygonum cuspidatum roots, 15-18 parts of bletilla striata, 0.5-1.5 parts of borneol, 3-5 parts of calamine, 10-15 parts of rheum officinale, 4-6 parts of periostracum cicada, 10-15 parts of radix sanguisorbae, 12-14 parts of jujube barks, 10-15 parts of orange peels, 10-15 parts of aloes, 10-15 parts of potato skin, 10-15 parts of black beans, 8-10 parts of scallion leaves, 8-10 parts of gingers, 8-10 parts of green vegetables, 10-12 parts of mint leaves and a right amount of egg white. A completely prepared pasty drug is coated on a cleaned scald surface, sterile cotton is covered, and then sterile gauze is used for binding. The Chinese traditional medicine ointment disclosed by the invention is low in cost, can be used for curing scalds with different degrees, is a pure Chinese herbal medicine which has no side effect after being used, and has the advantages of immediate pain stop after being used, high effect taking speed, good medicine effect and no scar remained on the scalds without hair root damage after the scalds are cured.

The invention relates to a natural plant composition, a hair dye and a preparation method and application thereof. The natural plant composition is prepared from the following ingredients in parts byweight: 0.01 to 20 parts of centella extracts, 0.01 to 20 parts of polygonum cuspidatum root extracts, 0.01 to 20 parts of scutellaria baicalensis root extracts, 0.01 to 30 parts of tea extracts, 0.01to 20 parts of glycyrrhiza glabra root extracts, 0.01 to 20 parts of chamomilla recutita flower extracts, 0.01 to 20 parts of rosemary leaf extracts and 0.01 to 20 parts of gentian root extracts. Thenatural plant composition provided by the invention has good compatibility with hair; the seepage of dye intermediates is facilitated; the hair dyeing characteristics can be improved; under the condition of low basifier consumption, a good dyeing effect can be realized; the color durability is high; in addition, the basifier consumption is reduced, and the natural plant composition has the smoothening effect, so that the irritation effect during dyeing on the scalp can be greatly reduced; the irritation on the hair and the scalp is small; the injury is small.

The invention relates to the field of cosmetics, and discloses a skincare composition comprising anti-allergic plant extract. The skincare composition comprises the following components by mass percent: 0.01 to 30 percent of anti-allergic plant extract composition, 10 to 40 percent of grease, 1 to 20 percent of an emulsifier, 5 to 20 percent of a co-emulsifier, 0.1 to 5 percent of a thickening agent and the balance of pure water, wherein the anti-allergic plant extract composition comprises extracts of centella asiatica, licorice root, chamomile, green tea and polygonum cuspidatum root.

The invention relates to the field of traditional Chinese medicine application and particularly relates to a traditional Chinese medicine for treating infantile pneumonia. The traditional Chinese medicine is prepared by mixing the following raw materials including indigo naturalis, cortex lycii radicis, tabasheer, perilla stems, honeyed ephedra, semen brassicae, semen lepidii, scutellaria baicalensis, orange peel, pinellia ternata, buffalo horns, fresh rehmannia, uncaria rhynchophylla, raw fructus aurantii, bile arisaema, black petunia, borneol, semen trichosanthis, coptis chinensis, fructus arctii, polygonum cuspidatum roots, wild buckwheat roots, raw liquorice and paris polyphylla according to a certain weight ratio. The traditional Chinese medicine is simple in preparation, good in absorption effect, long in medicinal effect lasting time, remarkable in curative effect, free of side effects, high in safety, low in production cost and beneficial to relief of symptoms of patients in time.

The invention relates a medicine bathing bag. The medicine bathing bag comprises a bag body, and the bag body is filled with medicine baijiu. The medicine baijiu comprises roots of largeleaf gentian, zaocys dhumnades, common clubmoss herbs, dragon's blood, olibanum, myrrh, notopterygium roots, radix angelicae pubescentis, cassia twigs, safflowers, polygonum cuspidatum roots, rhizoma corydalis and rhizoma homalomenae. The preparing method of the medicine bathing bag includes the steps that all raw materials are soaked to the baijiu, and a soaking mixture is obtained; the obtained soaking mixture is filtered, and the medicine baijiu is obtained; the medicine baijiu is bagged, sealed and stored, and the medicine bathing bag is obtained. The medicine bathing bag has the advantages that all the raw materials are soaked in the baijiu, the efficient ingredients in all the raw materials can be separated out through the baijiu, the effects of the baijiu and the effects of the medicinal materials are combined, and the medical effects can be greatly improved; when a person takes a bath, the body temperature rises, the pores in the surface skin are opened, the medicine bathing bag is added into bathing water, medicine can be absorbed by the skin surface of the whole body, and the medicine bathing bag has the effects of dredging meridians and collaterals, activating blood, removing stasis, expelling wind, removing cold and moistening and nourishing the whole body.

The invention discloses a traditional Chinese medicine composition for treating stomach cancer. The traditional Chinese medicine composition comprises 20 to 30 g of raw coix seeds, 20 to 30 g of Chinese actinidia roots, 20 to 30 g of water chestnut with sprouts, 9 to 15 g of Radix Bupleuri, 9 to 15 g of bighead atractylodes rhizomes, 9 to 15 g of white peony roots, 9 to 15 g of Poria cocos, 9 to 15 g of Chinese angelica root, 9 to 15 g of Chinaberry seeds, 9 to 15 g of corydalis tubers, 9 to 15 g of Rhizoma Cyperi, 9 to 15 g of Ligusticum wallichii, 20 to 30 g of Hedyotis diffusa, 15 to 20 g of honeysuckle flowers, 15 to 20 g of Radix Scrophulariae, 9 to 12 g of curcuma rhizomes, 9 to 12 g of Prunella vulgaris, 9 to 12 g of pseudo-ginseng, 9 to 12 g of raw licorice roots, 9 to 12 g of a pill of cow-bezoar, 30 to 40 g of glehnia roots, 25 to 30 g of bittersweet, 15 to 20 g of Solanum nigrum, 15 to 20 g of goldhair hedyotis herb, 15 to 20 g of Fructus Liquidambaris, 20 to 30 g of Chineseactinidia roots, 20 to 30 g of Radix Adinae Rubellae, 20 to 30 g of polygonum cuspidatum roots, 15 to 20 g of Radix Astragali, 9 to 15 g of ginseng, etc.

The invention provides a pure Chinese herbal preparation which is safe and efficient, has obvious effects for treating colon cancer and preventing cancer metastasis and can be used for obviously improving the living quality and prolonging the lifetime. The pure Chinese herbal preparation is also called as a Chinese herbal compound 'detoxicated three-root soup preparation'. The pure Chinese herbal preparation is prepared by mixing 20 to 40 parts of Chinese actinidia root, 20 to 40 parts of giant knotweed root and 20 to 40 parts of root of adina rubella hance according to the ratio being 1:1:1, thereby preparing particles, tablets or an oral preparation and the like. The pure Chinese herbal preparation has the obvious effects on treating the colon cancer and preventing the cancer metastasis, and can be used for obviously alleviating the pain symptom of a patient, improving the living quality and prolonging the lifetime. The pure Chinese herbal preparation is safe, reliable and efficient and cannot generate side effects.

The invention provides a traditional Chinese medicine composition for treating orthopedic diseases, which is prepared from the following ingredients in parts by weight: 65 to 105 parts of snakes, 10 to 15 parts of scorpions, 50 to 80 parts of polygonum cuspidatum roots, 20 to 40 parts of bock greenbrier rhizomes, 20 to 30 parts of berba aristolochiae mollissimae, 20 to 30 parts of Chinese ardisia roots, 30 to 50 parts of creeper creeper roots, 20 to 30 parts of geranium wilfordii, 20 to 30 parts of manyprickle acanthopanax roots, 20 to 30 parts of aralia decaisneana, 30 to 50 parts of asiatic toddalia roots, 30 to 40 parts of vernonia gratifolia, 40 to 50 parts of caulis spatholobi, 20 to 30 parts of sarcandra glabra, 30-40 parts of alangium platanifolium, 30-50 parts of rhizoma drynariae, 40-50 parts of obscured homalomena rhizome, 30-40 parts of philippine flemingia root, 5-10 parts of hippocampus, 100 parts of camphor and white spirit, can be used for remarkably relieving various orthopedic diseases of patients, and is short in treatment course, quick in effect taking and free from toxic and side effects; The invention further provides a traditional Chinese medicine liquor prepared from the traditional Chinese medicine composition and a preparation method thereof, the medicine effect can be exerted to the maximum extent, and the positive effect of treating various orthopedic diseases is improved; and the invention also discloses application of the traditional Chinese medicine composition in preparation of medicines for treating various orthopedic diseases.

The invention discloses five-color rice dumpling and a making method. The making method comprises the following steps: taking special white sticky rice as a raw material, and coloring with butterflybush flowers, vaccinium bracteatum leaves, purple cabbage and polygonum cuspidatum roots, and steaming, thereby obtaining the five-color rice dumpling, namely mashing 5-50g of butterflybush flowers dried in air and fresh vaccinium bracteatum leaves, purple cabbage and polygonum cuspidatum roots respectively, putting into water respectively, heating to boil for 5 minutes, cooling, filtering, putting respective plant dyes into 2-20kg of special sticky rice, soaking to color the sticky rice, blending rice dumpling, mashing fresh Chinese prickly ash, wrapping with gauze, kneading in water, pouring Chinese prickly ash water, edible salt and edible aginomoto into the sticky rice of five colors, stirring, washing indocalamus leaves, coiling into the shape of rice dumpling, putting the sticky rice of five colors into the leaves in sequence, bundling with lines, putting into a pot, wrapping a proper amount of sticky rice straw ash with gauze, putting into the pot, adding water, salt and aginomoto, cooking with fire, cooling, sterilizing by using a pasteurization method, and packaging in vacuum, wherein the five colors include white, black, yellow, purple and red.

The invention belongs to the field of pharmacy, and relates to a new application of toluylene compounds in preparation of anticomplement medicaments. According to the invention, toluylene compounds are prepared from ethyl acetate extraction positions of roots of polygonum cuspidatum Sieb. et Zucc., and are confirmed to have strong inhibition effect on the classical pathway and the alternative pathway of the complement system by in-vitro anticomplement activity evaluation tests. The CH50 of the compounds for the inhibition effect on the classical pathway of the complement system is 110+/- 12, 250+/-20 [mu]g/ml, and the AP50 for the inhibition effect on the alternative pathway of the complement system is 800+/-25, 440+/-15 [mu]g/ml. The compounds can be used for preparation of anticomplement medicaments.

The invention relates to a method for preparing root systems containing resveratrol with culturing of polygonum cuspidatum leaves. Adventitious roots and hairy roots are directly obtained through the polygonum cuspidatum leaves and callus tissues thereof, then the adventitious roots and the hairy roots are used as raw materials, and the resveratrol is extracted from the raw materials. The method comprises the following steps: (1) preparing bacteria-free polygonum cuspidatum seedlings; (2) preparing different explant callus tissues of polygonum cuspidatum; (3) performing direct differentiation and rooting on the callus tissues of the polygonum cuspidatum so as to obtain polygonum cuspidatum root systems. Therefore, a new way for replacing wild polygonum cuspidatum resources is provided.

The invention discloses pesticide composition and an application thereof and relates to the technical field of pesticide compounding. The composition is derived from polygonaceae polygonum cuspidatum.An extraction process of the composition comprises the steps as follows: 1) treatment: rhizomes of polygonum cuspidatum are crushed to be in a certain particle size and then subjected to acid hydrolysis, enzymolysis or microbial fermentation conversion treatment; 2) extraction: the polygonum cuspidatum treated in step 1) is subjected to extraction with an extraction solvent and polygonum cuspidatum extract composition is obtained; 3) the solvent in the treated polygonum cuspidatum extract is partially or completely removed, and the pesticide composition is obtained. Research finds that the components of the composition obtained after glycoside ligand is converted into non-glycoside ligand through acid hydrolysis, enzymolysis or microbial fermentation conversion become simple, stability ofall components in the composition is guaranteed, and the utilization rate of the polygonum cuspidatum extract is increased.

The invention discloses healthcare fruit vinegar and a preparation method thereof, and relates to the technical field of food vinegar brewing. The healthcare fruit vinegar is prepared by taking fruits, such as persimmons, lemons and papayas, as main materials, taking the traditional Chinese medicines, such as honeysuckle stems, polygonum cuspidatum roots, capillary wormwood herb and notopterygium root, as auxiliary materials, performing treatment on the raw materials, preparing a mixed solution; preparing fruit wine, preparing an acetic acid mother liquor, fermenting, clarifying, sterilizing, canning and brewing. According to the healthcare fruit vinegar, a unique preparation process is adopted to pre-treat the persimmons, a rich component, namely tannin, in the persimmons is effectively removed, so that the defect of bitter and astringent taste of the persimmons is overcome and the taste of the vinegar is sweeter, more refreshing and more delicious; the finished fruit vinegar is bright and transparent, obvious in fruit flavour, palatable in sourness and sweetness, unique in flavour and high in nutritional value; the various added traditional Chinese medicines are matched with one another and interact synergistically, so that human body immunity can be effectively improved; moreover, the healthcare fruit vinegar has the effects of tonifying the spleen, astringing intestine, reducing fat and weight, relaxing muscles and tendons, activating collaterals, clearing away heat and toxic materials and the like. The healthcare fruit vinegar remains the nutritional ingredients and the flavour of the fruit, and is suitable for public drinking.

The invention provides a high-yield cultivation method for Polygonum cuspidatum. The high-yield cultivation method mainly comprises spraying a formula fertilizer, and the formula fertilizer is made by 3 to 7 parts of rare earth nutrient solution, 1 to 3 parts of organic selenium-rich fertilizer, 2 to 6 parts of nursery stock quickly-growth and thickening agent, 3 to 8 parts of rhizome expanding agent, and 2000 to 3000 parts of water, the above components are uniformly mixed to make the formula fertilizer and then the formula fertilizer is sprayed. By adopting the above technical scheme, the chlorophyll content of Polygonum cuspidatum leaves and photosynthesis of the Polygonum cuspidatum leaves are raised; growth and development of Polygonum cuspidatum roots are promoted, adoption and circulation of nitrogen, phosphor and potassium, and medium trace elements in the Polygonum cuspidatum roots are promoted, and the utilization rate of the fertilizer can be raised; the drought resistance, the continuous cropping resistance and the disease resistance of the Polygonum cuspidatum are raised; and compared with the prior art, the yield of the Polygonum cuspidatum cultivated by the method in 250 mu test filed is raised by more than 20 %.

The invention provides a biological extraction method of resveratrol. According to the method, fresh polygonum cuspidatum roots are used as raw materials for biological extraction of resveratrol, thecontent of polydatin and resveratrol in the raw materials is high, and a new thought is provided for large-scale preparation of resveratrol. Specifically, the preparation method comprises the following steps of cleaning and crushing fresh polygonum cuspidatum roots, adding the crushed polygonum cuspidatum roots into deionized water, stirring, pulping, carrying out high-pressure homogenization, andcarrying out enzymolysis for the first time by utilizing lysozyme to obtain polygonum cuspidatum root slurry; preparing a fermentation medium from the polygonum cuspidatum root slurry, inoculating acid-producing bacteria, performing fermenting for 15-18 hours, adding xylanase and beta-glucanase, carrying out secondary enzymolysis, carrying out electron beam irradiation for 5-8 minutes, continuingto ferment for 10-12 hours, and performing centrifuging to obtain fermentation liquor; and finally, extracting fermentation liquor by using magnetic ionic liquid containing carbon nanotubes to obtainresveratrol. According to the method, the production period is short, the extraction rate is high, and the purity of the obtained resveratrol is high.