1233 results about "Puerarin" patented technology

The invention provides a beauty and skincare enzyme liquid and an application thereof. The beauty and skincare enzyme liquid is prepared from the following raw materials in parts by weight: 1-10 parts of malt, 5-10 parts of yeast and 0.1-3 parts of effective raw materials, wherein the effective raw materials are selected from 4-10 of the following components: ginseng, peach kernel, apricot kernel, poria cocos, coix seed, wolfberry fruit, licorice root, scutellaria baicalensis root, puerarin, rhodiola rosea root, bletilla striata root, burdock root, rose, dandelion, tea leaf, lophatherum gracile, centella leaf, chrysanthemum, gardenia, purslane, scabish, hop and herba leonuri. An enzyme mask essence liquid containing the beauty and skincare enzyme liquid is capable of helping activation of skin cells, promoting metabolism, effectively repairing aged skin, improving the antioxidant ability, increasing the moisture content of the skin and locking water and moisturizing in a long-acting manner, and plays a nourishing role when moisturizing, so that the skin is smooth and elastic.

The invention discloses a new traditional Chinese medicine composition for treating constipation and a preparation method thereof. The traditional Chinese medicine composition mainly comprises the following bulk pharmaceutical chemicals: odoratum, dendrobium, Chinese bushcherry seed, hemp seed, angelica, raw astragalus, codonopsis, Chinese yam, picrorhiza, starwort, root-bark of Chinese wolfberry, gypsum, anemarrhena, rhizoma imperatae, puerarin, scrophulariaceae, rehmanniae, motherwort, fleece-flower root, white peony root, the root of straight ladybell, wolfberry fruit, lucid asparagus, the root of Chinese trichosanthes, liriope, glassleaved sweetflag rhizome, prepared rhubarb, radish seed and the like. The traditional Chinese medicine composition in the invention can be prepared into any common oral preparation in the conventional preparation method of traditional Chinese medicine. The traditional Chinese medicine composition can obviously improve the symptoms of constipation, dry stool, difficult ejectment, abdominal distension, stomachache, anorexia, heating regurgitation, defecating with blood and the like, has the advantages of exact clinical effect, obvious effect, rapid effect taking and also has the advantages of low cost, basically no toxic and side effect and the like.

The invention provides a Chinese herbal medicine feed additive capable of improving the immunity. The Chinese herbal medicine feed additive is characterized by comprising the following raw materials: willow herb, red-backed vegetable, Chinese yam, herba epimedii, jiaoshen yeast, caulis spatholobi, puerarin, cimicifugae foetidae, Chinese herbaceous peony, jian yeast, rheum officinale, mangnolia officinalis, cyrtomium fortunei, liquorice, radix scutellariae, honeysuckle stem, gynostemma pentaphylla, fuling, soy isoflavone, soyasaponin and additional components, wherein the additional components comprise vitamin A, vitamin B, vitamin C, chromium trichloride, huanyuan gel, xylitol and mannitol crystals according to the proportion of 0.2:0.2:0.5:0.3:1:1:1. The Chinese herbal medicine feed additive can replace antibiotics and medicines and has no toxic and side effects; the immunity of animals such as pigs, chicken and ducks can be obviously improved; relatively high economical benefits can be achieved with relatively small investment; antibiotic and chemical medicine residues are avoided; and an effective way is supplied to reducing the antibiotic residues in animal products.

The invention relates to a drug-loaded contact lenses and a corresponding preparation method. The drug-loaded contact lenses are obtained firstly through UV-curing or heat-curing and then through drug-liquid immersion. The drug-loaded contact lenses can be particularly defined as a combination of a contact lenses material containing cyclodextrin and drug molecules and comprise the contact lenses formed by combining a crosslinked polymer hydrogel formed by copolymerizing mono-substituted cyclodextrin monomers, polymerization monomers and crosslinkers with one kind or a plurality of acetazolamide, methazolamide, puerarin or prostaglandin. The characteristic of forming inclusion compounds between the cyclodextrin molecules and drug molecules is adopted to increase the quantity of loaded drugs so as to reduce the stimulation to eyes by drugs and control the drug release speed for eye diseases of curing glaucoma, etc.

The invention discloses a process for machining heat-clearing and detoxifying lemon flavored nuts, which comprises steps: (1) nuts which are excellent in quality is selected and taken out to dry after being roasted; (2) the dried nuts are packed with syrup to dry; (3) the nuts which are packed with the syrup in the step (2) are put into an oven, and are dried after roasted, and bonded nuts are picked up; and (4) packing. Compared with the prior art, the process for machining the heat-clearing and detoxifying lemon flavored nuts enriches taste of nuts by adding extracting solutions of chrysanthemum, honeysuckle, puerarin, yam, poria cocos, mulberry leaves, centella asiatica, dandelion, lily, citrus, jujube, radix glycyrrhizae, siraitia grosvenorii and radix gentianae, and enhancing health effect of the nuts because the added extracts with natural ingredients have heat-clearing and detoxifying effects.

The invention discloses a food composition suitable for a hypertension hyperlipidemia hyperglycemia population, which comprises rice, millet, black rice, yam, lotus roots, oat, tartary buckwheat, lotus seeds, pearl barley, yellow corns, potatoes, hazelnuts, Chinese chestnuts, konjak, black sesame, shiitake mushrooms, lycium barbarum, dried mulberries, dried seedless grapes, dates, salt black beans of soybeans, hawthorn powder, carrot powder, tomato powder, puerarin powder, concentrated whey protein, soy isolate protein, camellia oil, purple perilla seed oil, maltodextrin, L-malic acid, L-carnitine and milk calcium. The invention further discloses a preparation method of the food composition suitable for the hypertension hyperlipidemia hyperglycemia population. After the food composition is taken usually, balanced nutrition can be ensured when effects of effectively reducing a blood pressure, blood fat and blood sugar are achieved; meanwhile, the food composition also has effects of conditioning important organs of a human body, such as livers, kidneys, spleen, stomach, large intestine and the like, protecting the heart, improving blood vessel elasticity, reducing the blood viscosity and preventing the Alzheimer disease.

The invention discloses whitening cosmetic and a preparation method thereof. A composition of a plurality of plants is taken as a main raw material, and the whitening cosmetic mainly comprises the following components: a rice bran extract, a rhodiola rosea extract, a ginkgo leaf extract, tea polyphenol, a lemon juice concentrated liquor, chitosan, a puerarin extract, konjac powder, a sunflower faceplate extract, a sunflower seed extract, a saponin kernel, hemicelluloses and honey. In addition, the whitening cosmetic also contains the following raw materials: a little of glycerinum, 1,3-propylene glycol, squalane, sodium hyaluronate, carbomer, triethanolamine, triethanolamine, allantoin, nanometer titania, collagen powder, an antibacterial agent, a ferulic acid isooctyl ester and glutathione. The composition can be applied to a whitening formula, has the effects of whitening the skin, moisturizing, resisting bacteria and diminishing inflammation, removing free radicals, inhibiting melanin formation, and inhibiting hallachrome mutase and tyrosinase activity.

The invention provides a quality control method for a Chinese medicinal capsule for treating anemofrigid cold. The Chinese medicinal capsule is prepared from bulk drugs such as schizonepeta spike, mulberry leaf, divaricate saposhnikovia root, radix bupleuri, incised notopterygium rhizome, kudzuvine root, platycodon root, bitter apricot seed, dahurian angelica root, bunge corydalis, reed rhizome and the like, and can be prepared by adding accessories according to a conventional process. The quality control method for the Chinese medicinal composition comprises thin layer qualitative check for the schizonepeta spike, the kudzuvine root, the bunge corydalis, the radix bupleuri, the divaricate saposhnikovia root and the platycodon root, and quantitative detection for puerarin, cimiside and 4'-O-glucopyranosyl-5-O-methylvisamminol. The Chinese medicinal composition has obvious effect of treating the anemofrigid cold.

The invention relates to an action of ferulic acid on enhancing the drug effect of some medicaments and a purpose thereof, wherein the medicaments mainly comprise alkaloid medicaments including matrine, kushenin, sophocarpine, hyoscyamine, narceine, hanfangchin A, jamaicin, morphine, codeine, evodiamine, strychnine, catharanthine, vincristine, taxol, verticine, peimine, peiminine, ephedrine, pseudoephedrine, wilfordine, triptolide, tripdiolide and the like, and flavonoid medicaments including puerarin, ginsenoside, ginsengenin, mangiferin, scutelloside, alkannin, meletin, rutin, hesperidin, daidzin, soybean isoflavone, daidzein, carthamin, catechin and the like. The ferulic acid and the medicaments can form a compound or a medicament compound, or the ferulic acid and the medicaments can generate a chemical reaction (including salification, esterification, amidation, ketonization, etherification and the like), and / or the ferulic acid and the medicaments can generate a synergistic effect and an additive effect.

The invention relates to a Chinese caterpillar fungus instant tea which comprises the raw materials in parts by weight: 20-40 parts of cordyceps fruiting body, 5-15 parts of sealwort, 10-20 parts of medlar, 10-20 parts of puerarin, 10-20 parts of poria cocos, 5-10 parts of lotus seeds, 5-10 parts of ginseng or American ginseng and 40-50 parts of isomalto-oligosaccharide. The Chinese caterpillar fungus instant tea is prepared by carrying out water extraction or superfine grinding on the raw materials, mixing and pelleting. The Chinese caterpillar fungus instant tea is a solid instant drink which has the functions of improving the immunity, protecting the cells of liver and kidney, regulating the intestinal flora, promoting the proliferation of bifidobacterium, improving gastroenteric function and the like for the middle-aged and elderly people and the organism with sub-health state.

A composition of natural herb extract for treating cardiovascular disease or vascular disorder and its method of preparation and separation, and particularly to a composition prepared from natural herb extract comprising constituents of Danshensu, Tanshinone IIA, matrine, oxymatrine and puerarin for lowering the risk factors of heart disease or treating the heart disease that side effects are minimized. The working ranges of Danshensu, Tanshinone IIA, matrine, oxymatrine and puerarin are between 5 and 40 mg / kg per day and a ratio of Danshensu, Tanshinone IIA, matrine, oxymatrine, and puerarin is 1:1:1:1:1. The extraction and separation method of the five active ingredients are also illustrated. The composition can be exhibit in different forms for administration.

The invention provides a preparation method and an application of a cold-fever tablet. The cold-fever tablet is prepared by using 168 g of isatis roots, 126 g of schizonepeta ears, 126 g of bistort roots, 126 g of pueraria mirifica and 126 g of radix bupleuri as raw material drugs via supercritical extraction and microwave-assisted extraction, so that puerarin content in the tablet is increased greatly. The invention also provides the application of the cold-fever tablet in preparing the drug of inhibiting cell proliferation of mouse melanoma lung metastatic lines B16-F10.

The present invention discloses oil-in-oil nonaqueous microemulsion used as medicine carrier and its medicine preparation. The oil-in-oil nonaqueous microemulsion consists of oil phase I, oil phase II, surfactant and co-surfactant, and can dissolve water insoluble medicines to prepare microemulsion. The nonaqueous microemulsion has the advantages of no hydrolysis and long effective period, slow or controlled release of medicine, nanometer level dispersion of water insoluble medicine and obviously raised bioavailability. For example, the present invention can obtain bioavailability of puerarin microemulsion and puerarin sol as high as 40.41 % and 52.68 % separately.

The invention discloses an instant tea of eucommia male flower and a preparation method thereof, which uses eucommia male flower, eucommia leaf, hawthorn and puerarin as raw materials; the preparation method comprises the nine processing steps of cleaning and choosing, leaching, thermal treating, heat dissipating, extraction, filtrating, concentrating, granulating and bagging, etc. In the eucommia male flower instant tea of the invention, the eucommia male flower, the eucommia leaf, the hawthorn and the puerarin of the raw materials have the functions of lowering blood pressure, reducing blood, preventing cerebral thrombosis and myocardial infarction, preventing senile dementia, being antitumor and anti-aging, enhancing immunity, etc., with consistent efficacy direction, due to the efficacy combination of the four raw materials, the invention has compound synergism effect; besides, the promoting digestion and removing stagnated food, reinforcing spleen and strengthening stomach functions of hawthorn and improving cardiac function of puerarin and nourishing liver and kidney function of eucommia male flower and eucommia leaf can achieve complementary effect, which leads the health function of the tea to be more distinctive. Due to containing richly calcium, phosphorus, magnesium, potassium, etc., the invention is endowed with rich nutrition, faint scent and good taste.

The invention discloses a preparation method of Radix Puerariae wine. The preparation method comprises the following steps: collecting fresh Radix Puerariae, cleaning, cutting into pieces, adding water, and performing homogenate to obtain a Radix Puerariae homogenate liquid; sterilizing the Radix Puerariae homogenate liquid at 70-110 DEG C for 5-120 minutes, cooling to 50-65 DEG C, and regulatingthe pH value to 5-7 to obtain a sterilized solution; adding amylase into the sterilized solution until the mass percentage of the amylase is 0.01-5, performing enzymolysis at 50-90 DEG C for 0.5-24 hours, adding glucoamylase until the mass percentage of the glucoamylase is 0.01-5, and performing enzymolysis at 50-70 DEG C for 4-12 hours; then increasing the temperature to 70-110 DEG C, holding the temperature for 20-150 minutes, and cooling to 20-60 DEG C to obtain an enzymolysis solution; and finally adding saccharomyces cerevisiae into the enzymolysis solution until the mass percentage of the saccharomyces cerevisiae is 0.01-0.05, fermenting at 24-40 DEG C for 5-10 days, and filtering to obtain the Radix Puerariae wine. The preparation method is simple; and the prepared Radix Puerariae wine is high in Puerarin content and has an alcohol degree of 15-35, and can be applied to adjuvant therapy for diseases such as hypertension, angina pectoris, coronary heart disease, hyperlipidemia and the like.

The invention belongs to the technical field of medicines and relates to a puerarin nanocrystalline medical composition and a preparation method and application thereof. Specifically, the puerarin composition is a puerarin nanocrystalline composition. The puerarin composition provided by the invention remarkably improves the solubility and bioavailabilityof puerarin and reduces or eliminates the food effect of the medicine, and is good in stability and can be prepared into various common preparation forms easily, the stability and effect of the medicine are improved, so that the composition has good prospect.

The invention relates to an effective method of extracting puerarin and green food medicines made by it, and the steps include: using alcohol to soak, extracting several times, evaporating the alcohol, converting the extract into water solution, filtering out suspended substances; adopting polymeric absorbent to absorb, concentrating and drying and obtaining Gegen extract, by absorbing and eluting, further making flavone glycoside and terpene inner ester reach the specified indexes. Putting the extracted puerarin in drinks, beers, distilled spirits, teas, milk powders, etc; or adding the puerarin in the tablets, capsules, and electuaries or injectas. The pure plant natural food has proper taste. The Gegen is moderate, peppery and sweet, disperses the internal coldness and relieves the heat of muscle, promotes blood circulation, quenching the thirst and detoxicates alcohol toxicity, etc. and it has good curing effect on high blood pressure, coronary heart disease, heartstroke, dispels the wind, etc.

The invention relates to a polyphenol cross-linking agent and application thereof to preparation of an anti-calcification biovalve. The polyphenol cross-linking agent is prepared in a way that polyphenol compound is dissolved in organic solvent, and then, buffer solution is adopted for dilution, wherein the polyphenol compound is selected from one or multiple of procyanidine, curcumin, resveratrol, puerarin, aloin and aloe-emodin. The preparation method for the anti-calcification biovalve comprises the following steps: dipping a bio-based material which completely removes cells into the polyphenol cross-linking agent to be subjected to cross-linking, and fully cleaning after ending; dipping in PBS (polybutylene succinate) solution and / or D-Hanks solution to be subjected to post-processingto obtain the anti-calcification biovalve. The anti-calcification biovalve provided by the invention has better mechanical property and stability, tissue calcification, inflammation and thrombus can be obviously reduced, biotoxicity is lowered, service life is greatly prolonged, and the defects of serious calcification, short service life and the like of biological cardiac valve materials processed with a traditional glutaraldehyde crosslinking method are overcome.

The present invention relates to plant medicine component extracting and separating technology, and is especially a puerarin extracting and separating process from Chinese herbal material. The puerarin extracting and separating process includes the following steps: crushing root of Pueraria plant as the material, decocting, chromatographic separation with ion exchange type macroporous resin, eluting in macroporous resin column first with water and then with 20 wt% ethanol solution, collecting the eluted liquid, and recovering ethanol to obtain puerarin extract. The process has simple operation, short production period, low production cost and capacity of obtaining puerarin extract with high puerarin content, and is suitable for industrial production.

The invention discloses a planting method of Pueraria root. The planting method includes the steps of (1) growing seedlings; (2) selecting lands; (3) performing transplanting; (4) checking the seedlings and filling the gaps with the seedlings; (5) performing weeding and fertilizing; (6) setting supports with height of 2.5-3m spaced with 0.8m; (7) reserving 4-5 main vines of each Pueraria root with lateral branches and buds cut; (8) cutting vines and digging roots in autumns and winters. According to the planting method, the lands are scientifically selected, and base fertilizer application, top dressing are reasonable, and absorption of the Pueraria root is facilitated to achieve rapid thriving of the Pueraria root with excellent root size, and potassium sulfate and calcium superphosphate are applied to facilitate germination; the Pueraria root is rapid to grow and high in quality and yield. Starch content of the Pueraria root reaches 26-27% and is greatly higher than that of wild pueriara root with 12-15%. Puerarin content of the Pueraria root reaches 2.0-2.3% and is higher than that of the wild Pueraria root with 1.4-2.0%. The Pueraria root yields 2200-2400kg / mu.

The invention provides a technological method for comprehensively producing pueraria flavonid, puerarin and arrowroot starch, which belongs to the field of extracting effective ingredients from plants, and comprises the following steps: adopting a 80% ethanol microwave assisted extraction technology to obtain a pueraria flavonid solution and filter residue; adopting a macroporous resin adsorption method (AB-8 resin) to purify the pueraria flavonid solution and obtain the pueraria flavonid and puerarin products; and soaking the extracted filter residue by water, and separating the precipitation to obtain the arrowroot starch. The invention realizes the purpose of synchronously extracting the pueraria flavonid, the puerarin and the arrowroot starch from the radix puerariae, and effectively improves the product extraction rate.

The invention relates to the field of health products. A technical scheme adopted in the invention is to provide a dendrobium health product having the function of human body immunization enhancement. The health product is prepared from the following raw materials, by weight, 21-56% of Dendrobium officinale Kimura et Migo, 23-48% of pseudo-ginseng, and 20-50% of Radix Puerariae. A preparation method of the health product comprises the following steps: 1, obtaining Dendrobium powder by ultramicro crushing Dendrobium officinale Kimura et Migo; 2, obtaining pseudo-ginseng powder by ultramicro crushing pseudo-ginseng; 3, extracting puerarin from Radix Puerariae with a macroporous adsorption resin process; and 4, obtaining loose powder by uniformly mixing the Dendrobium powder, the pseudo-ginseng powder and Radix Puerariae powder. The health product is a health product preparation, and all effective components of the preparation are Chinese herbal medicines, so the preparation of the present invention has the effects of yin nourishing, human body immunization capability enhancement, blood circulation promotion and blood stasis removal, "three high symptoms" prevention, human body hormone enhancement, and enhancement of the youthful vitality of human bodies.

The invention discloses a preparation method for a kudzu vine root and mulberry compounded anti-alcoholism beverage. The preparation method comprises the following steps of: (1) extracting kudzu vine root juice; (2) preparing mulberry juice; (3) mixing and blending; (4) centrifuging and filtering; and (5) sterilizing and cooling. According to the preparation method disclosed by the invention, a subcritical extraction method is used for extracting puerarin in kudzu vine roots so that the purity and the utilization rate of the puerarin are high. The beverage prepared by the preparation method disclosed by the invention is clarified in color and luster, is transparent, is uniform and is purple red; the color is not changed; the beverage is rich in aroma, is fresh and cool when being drunk and is soft and lasting; the aftertaste is sweet and the beverage has no extraneous odor; no sediment is formed; a material liquid is clear and has no sediment impurities visible to eyes. The beverage disclosed by the invention has certain effects on preventing drunkenness, alleviating a hangover and preventing alcoholic liver damages; raw materials of the beverage traditional Chinese medicines and fruits, which have both functions of medicines and foods, and are safe and have no toxic side effect.

The invention discloses compound brown rice capable of maintaining beauty and keeping young, prepared from the following raw materials in parts by weight: 100-120 parts of brown rice powder, 8-15 parts of corn powder, 5-10 parts of black bean powder, 3-8 parts of papaya powder, 3-5 parts of black sesame powder, 3-5 parts of soybean meal, 3-5 parts of lotus nut powder, 3-5 parts of medlar powder, 3-5 parts of buckwheat powder, 3-5 parts of lily powder, 5-8 parts of red bean powder, 2-5 parts of angelica root powder, 2-5 parts of poria cocos powder, 2-5 parts of puerarin powder, 2-5 parts of pearl barley powder and 5-8 parts of tea polyphenol. According to the invention, a double screw extrusion rice reproducing technology is adopted, the compound brown rice is prepared from the raw materials with are rich in nutrition by processes such as pasting, extruding and re-granulating; the compound nutrition rice has no obvious difference in appearance compared with common rice and is a rice grain type product which is same in the same cooling performance and cooling method with common rice, the technology is green, is flexible in operation and has high efficiency in production and low fault rate, and the perpared compound brown rice has more comprehensive nutrition and finer taste.

The invention belongs to the technical field of bean sprout production, in particular discloses functional bean sprouts prepared from Chinese herbal medicines used as both food and medicine and a method for preparing the functional bean sprouts. The method comprises the following steps: step one, weighing 20-50% by weight of kudzuvine root, 15-50% by weight of hawthorn and 10-40% by weight of honeysuckle, adding water or ethanol to extract, filtering and adding 0.02-0.05% by weight of vitamin C to a filtrate to obtain a sprout culture solution; and step two, soaking beans with the sprout culture solution, spraying the sprout culture solution or / and water and culturing according to the conventional bean sprout culture method, thereby obtaining the bean sprouts. By adopting the method, the Chinese herbal medicines used as both the food and the medicine, such as the kudzuvine root, the hawthorn and the honeysuckle can be used effectively, so a new way is provided for the comprehensive utilization of the traditional Chinese medicine. The prepared functional bean sprouts comprise active components beneficial to human health, such as puerarin, thereby providing an effective way and a research idea for the development of the functional bean sprouts.

The invention discloses a process for extracting and separating isoflavones from kudzu vine, which comprises the steps of disintegrating kudzu vine to 60-150 meshes, loading into a liquid dynamic continuous flow upstream extraction device for alcohol extraction, combining the extract liquid and filtering, concentrating the filtrate to obtain total isoflavones extract, and separating the total isoflavones extract to obtain puerarin and soybean aglycone.

The present invention uses puerarin as main medicine, phospholipid as absorption-promoting agent, polysorbate 80 as solubilization agent, and the weight ratio of puerarin and phospholipid is 1-20:1-4, and the weight ratio of puerarin and polysorbate 80 is 1-20:1-15, and adopts a certain preparation method to obtain the invented puerarin oral preparation which can be made into granules, tablet, capsule and soft capsule, etc. Said invention also provides its preparation method, including preparation of puerarin and phospholipid composite and its preparation. Said invention preparation is stable in quality, has no toxicity and irritation to body, and its biological utilization rate can be obviously raised.

The invention belongs to the technical field of beverages, and in particular relates to a natural health beverage for drinking. The natural health beverage is prepared from natural radix puerariae, Chinese wolfberry, water and honey through processing, and consists of the water and a natural soaking material consisting of radix puerariae liquid, sugar candies, the Chinese wolfberry and the honey. The natural health beverage is characterized in that the natural soaking material comprises the natural radix puerariae, the Chinese wolfberry and the honey, wherein each component has the following proportion respectively accounting for the total weight of the traditional Chinese medicine soaking material: 50 to 60 percent of the natural radix puerariae, 15 to 20 percent of the Chinese wolfberry, and 30 to 35 percent of the honey; and the radix puerariae is processed into the radix puerariae liquid for standby through steps of cleaning, slicing, grinding with a tool, adding water, stirring the mixture evenly, filtering and depositing. Compared with the prior art, radix puerariae flavone, puerarin, sitosterol and arachidic acid contained in the radix puerariae liquid not only can adjust the human body circulation system, but also can reduce blood pressure, thus the natural health beverage is a perfect health care beverage.

The invention provides a composition with whitening effect, which comprises a Thailand radix puerariae extract, a hamamelis extract and vitamin B, wherein the Thailand radix puerariae extract is a Thailand white kwao krua extract which at least contains puerarin, miroestrol and deoxymiroestrol, the content of the puerarin is more than or equal to 10.0mg / 100g, and the content of total flavonoids is more than or equal to 90.0mg / 100g (calculated as 100g of Thailand radix puerariae extract); the hamamelis extract is a hamamelis extracting solution containing about 14 percent of alcohol and a hamamelis distillate of hamamelis plants; and the vitamin B comprises any one of vitamin B2, vitamin B3, vitamin B5 and the like, or a composition thereof. The composition can achieve effects of whitening and protecting skin through scientific formula and mixture ratio; and the composition is prepared into whitening essence products, and the whitening essence products have the effects of whitening and protecting the skin, can be used as whitening products, and can also be added into different skin care products to play roles in whitening and protecting the skin.

The invention relates to method for preparing superfine arrowroot powder. The preparation method comprises the steps of removing the outer peel of the arrowroot, slicing the arrowroot; soaking the slices in 100mg / kg sterilizing liquid made from chlorine dioxide for 15-30min; subjecting the slices to protective coloration in preservative liquid with 0.3% of citric acid and 0.9% of sodium chloride by mass percentage; removing water; killing enzyme in water of 95 DEG C for 2-3min; removing water again; drying the slices through hot air of 115 plus or minus 5 DEG C to get the slices with water content accounting for 8% plus or minus 1%; pulverizing the dried arrowroot slices into 800-1000meshes through a micronizer; and weighing and packing, or adding 1% of aspartame which is 200 times of sucrose saccharinity into the pulverized arrowroot slices, and then weighing and packing. Compared with traditional methods, the method can avoid the loss of three functional ingredients, such as puerarin, daidzein and daidzin, amd increase yield. The produced arrowroot powder is suitable for use in cooking food.