109results about How to "Retain bioactive ingredients" patented technology

The invention relates to a nutritious noodles of a submicron powder fungus and a preparation method thereof, comprising by weight: from 1% to 10% of a fungus submicron powder, from 0 to 0.6% of a sodium alga acid, from 0 to 4% of a table salt, allowance flour. The preparation method comprises preparing the fungus submicron powder, slurring, maturing, tabletting, strip cutting, and drying. The fungus is crushed into the submicron powder below 60 um and filled into the noodles, no feeling of any granularity in the mouth, enabling the noodles to have rich nutrition and health care ingredients of the fungus, and endowing the noodles with a natural light coffee color. The dry product of the invention is represented with the light coffee color and even lustre, the noodles becomes a dark color with faint scent of the fungus, strong connecting strength, no sticking, transparent, and less breakage after well done. The nutritious noodles of the submicron powder fungus and the preparation method have the advantages of applying the modern superfine pulverizing technology, significantly increasing the cell wall breakage rate, greatly improving the absorptivity of the fungus, reserving the biological active component, and heightening the biological utilization ratio.

The invention provides highland-barley chrysanthemum tea drink and a preparation method thereof. The highland-barley chrysanthemum tea drink employs highland barley leaf and chrysanthemum as the main raw materials, and is prepared through steps of leaf selection, leaf boiling, low-temperature drying, grinding, superfine crushing, preparation and the like. Compared with a convention method for preparing tea drink by performing water extraction after high-temperature baking, the method employs low-temperature processing for preparing the highland-barley chrysanthemum tea drink, therefore, active compositions in highland barley leaf and chrysanthemum, especially SOD active composition are mostly kept, and also by further adjusting the ratio of highland barley leaf and chrysanthemum and cooperating with cane sugar, the highland-barley chrysanthemum tea drink keeps nutrition active compositions of highland barley and also possesses the refreshing mouthfeel of chrysanthemum. Therefore, the highland-barley chrysanthemum tea drink, is suitable for taste of most consumers, and solves the problem that highland-barley tea drink is single in taste.

A flavored wine and a brewing method thereof, which belong to the technical field of wine making, are prepared by adding Chinese herbal medicines to wine-making raw materials according to the ratio of Chinese herbal medicine: wine-making raw materials = 0.05-0.1: 4.5-5, and brewed according to conventional wine-making methods. The brewing cycle is short, the brewing efficiency is high, and the cost of brewing is saved; and the use of animal and plant medicines and grains are co-fermented, organically integrated with wine, mellowed, naturally flavored, flavored, and fragrant, producing a rich and unique flavor. The complex smell of the drug itself, while retaining many biologically active components of the drug itself, improves the quality of liquor.

The invention provides tartary buckwheat beverage and a preparation method thereof. The method comprises the following steps: (1) picking and selection of raw materials: picking and selecting disease-free hulled tartary buckwheat seed grains with full grain sizes, washing dirt and bacteria on surfaces of the tartary buckwheat seed grains; (2) microwave drying: soaking the tartary buckwheat in water, draining moisture and carrying out microwave drying to ensure that the moisture contents of the tartary buckwheat seed grains are smaller than 15 percent; (3) ultra-fine pulverization: carrying out ultra-fine pulverization on the dried seed grains and sieving the dried seed grains to obtain tartary buckwheat powder for subsequent use; (4) normal-temperature extraction: dissolving beta-cyclodextrin into water to be made into a solution, evenly mixing the tartary buckwheat powder with the solution, and carrying out ultrasonic extraction at normal temperature to obtain extraction liquid; (5) spray drying: making the prepared extraction liquid into dry powder; (6) blending and packaging. According to the tartary buckwheat beverage and the preparation method thereof disclosed by the invention, a modern process is reasonably used, the aim that the tartary buckwheat beverage can be drunk while the beverage is made by using low-temperature water is fulfilled while the flavor of the tartary buckwheat can be preserved, the tartary buckwheat beverage is convenient to carry, and the loss of nutrient substances of the tartary buckwheat in a storage process is reduced; amino acid is effectively concentrated while flavonoid substances are effectively extracted, and the addition of essence is not needed.

The present invention relates to the technical field of health-care tea products, and particularly relates to a health-care tea containing cordyceps militaris and a preparation method thereof. The health-care tea containing cordyceps militaris is prepared from main materials and adjunct materials, and the main materials include the following raw material components in parts by weight: 10-30 parts of cordyceps militaris, 5-15 parts of glossy ganoderma, 10-30 parts of herba dendrobii, 2-10 parts of Stevia rebaudiana and 10-40 parts of black tea. The preparation method comprises the following steps: Step 1, preparing tea extract; Step 2, preparing Chinese herbal extract; and Step 3: preparing the health-care tea containing cordyceps militaris. The preparation method maximizes the retention of a variety of biological active ingredients of the cordyceps militaris beneficial to the human body; the prepared tea beverage is convenient to drink, and has health-care effects in building up a good physique and improving health, improving immunity, delaying senility, and maintaining beauty and keeping young. The health-care tea can be directly consumed, and is good in medical and health-care effects, popular with the majority of consumers and broad in market prospects.

The invention discloses a purely natural eucommia ulmoides male flower mulberry leaf tea. The purely natural eucommia ulmoides male flower mulberry leaf tea is prepared from the following components in parts by weight: 15-25 parts of eucommia ulmoides male flowers, 15-25 parts of mulberry leaves, 10-20 parts of tartary buckwheat, 10-20 parts of licorice roots and 10-20 parts of platycodon roots, wherein the eucommia ulmoides male flowers and the mulberry leaves are picked and need be frozen and dried so that the water ratio is below 5%. The eucommia ulmoides male flower mulberry leaf tea disclosed by the invention can wholly reserve the original effective ingredients and the original flavor of raw materials of the eucommia ulmoides male flowers, the mulberry leaves and the like, is natural in color, is mellow and refreshing in taste, not only reserves the specific fragrance of the raw materials, and greatly enhances the effect on the health of a human body through scientific effective concerted application. Dry substances, nutrient components and trace elements, contained in the raw materials, are almost wholly absorbed and utilized by the human body. The invention further discloses a preparation method of the purely natural eucommia ulmoides male flower mulberry leaf tea.

The invention relates to a method for preparing an artificial microenvironment and application thereof. Specifically, the method comprises the steps that firstly, a solid-phase carrier is inoculated with functional cells; secondly, the solid-phase carrier obtained in the first step is kept for preset time under the condition which is suitable for growing of the functional cells; thirdly, the solid-phase carrier obtained in the second step is subjected to de-cellularization treatment so that the artificial microenvironment can be obtained. By means of the method, the artificial microenvironment which has the advantages that low immunogenicity and good controllability are achieved, the quality is stable, the production cycle is short and components are controllable and can achieve customization can be prepared.

The invention discloses arctium lappa nutrient fine dried noodles and a preparing method thereof. The fine dried noodles are prepared from, by weight, 120-160 parts of high gluten flour, 20-40 parts of arctium lappa ultrafine powder, 10-15 parts of rhizoma dioscoreae ultrafine powder, 3-6 parts of lentinula edodes powder, 5-10 parts of carrot juice, 2-4 parts of Konjac fine flour, 2-3 parts of vital gluten, 4-8 parts of eggs, 2-4 parts of edible salt, 0.1-0.5 part of dietary alkali and 60-85 parts of water. The preparing method comprises the steps of raw material pretreatment, dough kneading, curing, primary sheet pressing, dough sheet curing, continuous sheet pressing, strip cutting, shelving, even shearing, drying, unshelving and dough cutting. According to the arctium lappa nutrient fine dried noodles and the preparing method thereof, the high gluten flour is adopted as a main raw material, nutrient substances of arctium lappa, rhizoma dioscoreae, lentinula edodes, carrots and the like are added, the technology is simple, and the prepared fine dried noodles are rich in nutrition and tough and chewy in mouthfeel, can reduce blood pressure and blood fat, and improve the immunity.

The invention belongs to the technical field of fruit wine brewing and discloses a bitterless pomelo fruit wine and a preparation method thereof. The method comprises the following steps: peeling off, crushing, carrying out alcohol fermentation, aging, pouring wine out, blending for removing bitter taste, clarifying, bottling and sterilizing. In the steps of blending for removing the bitter taste, 1-4wt% of glucose syrup is added into the raw material of the pomelo fruit wine to remove the bitter taste. According to the preparation method, glucose syrup is used for adsorbing, chelating and embedding bitter substances such as pomelo glycosides and limonin so as to reduce the bitter taste of the fruit wine, caused by pomelo glycosides, limonin and the like and achieve an excellent bitter taste removal effect; moreover, bioactive ingredients having a health care function are retained and the original nutritional value of the fruit wine is kept; in addition, by adopting a comprehensive measures such as repeating residual removal during seed removing and fermenting processes and repeating wine lees removal during aging, the bitter taste of the fruit wine can be removed in an assistant way and a better bitter taste removal effect can be achieved. The method disclosed by the invention is simple and feasible; the prepared bitterless pomelo fruit wine is clear and transparent and has mellow, elegant and harmonious fruit fragrance and wine fragrance.

A walnut oil extraction process by supercritical carbon dioxide is disclosed. Walnut oil is prepared by steps of peeling walnut kernels, roasting, smashing, extracting, separating, and the like. The process and equipment procedures are simple. The process adopts supercritical extraction. The process is energy-saving, safe, and pollution-free, and prevents the problems of toxicity and harm to human bodies and environment pollution during the extraction. Compared with traditional processes, the process can protect various nutrition components from being damaged in a squeezing step, so that the oil has characteristics of natural faint scent, original taste and flavour, capability of being green and healthy, and comprehensive nutrition.

The invention provides compound health-care tea composed of black tea, momordica grosvenori, cordyceps sinensis, lucid ganoderma and medlar. The compound health-care tea is specifically composed of the black tea, the momordica grosvenori, the cordyceps sinensis, the lucid ganoderma and the medlar and is prepared by the steps of respectively crushing the raw materials and mixing uniformly; packaging according to proportion to prepare finished-product tea. In the formula, the momordica grosvenori is sweet and has good palatability; the tea brewed by the black tea has a deep color and the color of the tea brewed by the cordyceps sinensis is yellow; a prepared tea beverage has good color, aroma and flavor. In the implementation process, no sweetening agent and no chemical preservative are added and the effects of five raw material components in the formula supplement each other so that the prepared tea beverage has the effects of building the body, improving the immunity, decaying aging and beautifying and is super health-care and health-maintaining tea.

Seabuckthorn compound oil combined health care products are a series of functional food prepared by taking the seabuckthorn compound oil formed by proportionally blending seabuckthorn berry oil, seabuckthorn seed oil, seabuckthorn residual oil and seabuckthorn leaf oil as the main component and combining the seabuckthorn compound oil respectively with any one of phosphatidylserine, resveratrol, xanthin, lycopene, blueberry, Rhodiola and perilla herb oil. The seabuckthorn compound oil comprises the following components in percentage by weight: 10-60% of seabuckthorn berry oil, 10-40% of seabuckthorn seed oil, 5-30% of seabuckthorn residual oil and 0.5-10% of seabuckthorn leaf oil. The ratio of percentages by weight of the seabuckthorn compound oil and the phosphatidylserine is 40-90%:7-20%, the ratio of percentages by weight of the seabuckthorn compound oil and the resveratrol is 80-99%:0.5-10%, the ratio of percentages by weight of the seabuckthorn compound oil and the xanthin is 80-99%:0.5-10%, the ratio of percentages by weight of the seabuckthorn compound oil and the lycopene is 80-99%:0.5-10%, the ratio of percentages by weight of the seabuckthorn compound oil and the blueberry extracts is 40-70%:40-70%, the ratio of percentages by weight of the seabuckthorn compound oil and the Rhodiola extracts is 40-70%:40-70% and the ratio of percentages by weight of the seabuckthorn compound oil and the perilla herb oil is 40-70%:40-70%. The products have complete bioactive components and simple technical composition, expand the applicable scope, improve the health care effect and are easy to realize industrial production.

The invention discloses a kind of high-fiber bread capable of prolonging ageing time. The high-fiber bread is prepared by the materials including, by weight, 3-5 parts of oat powder, 3-5 parts of buckwheat powder, 3-5 parts of sorghum rice flour, 2-4 parts of red bean powder, 2-4 parts of red-skinned millet flour, 80-120 parts of high gluten wheat flour, 4-6 parts of active dry yeast, 2-4 parts of bread improver, 12.5-17.5 parts of soft white sugar, 0.8-1.5 parts of salt, 8-12 parts of eggs, 8-12 parts of butter, 6-10 parts of plant oil, 0.4-0.6 parts of soya bean lecithin, 0.002-0.004 parts of ascorbic acid, 0.001-0.003 parts of alpha-amylase, and 40-60 parts of water. The preparation method of the high-fiber bread comprises the steps of pretreatment of raw materials; dough mixing; primary fermentation; segmenting and shaping; proofing; baking; and cooling and packaging. The bread is high in dietary fiber content and long in aging time, bread kinds are enriched, and the preparation technology of the bread is simple.

The invention discloses a burdock slimming meal-replacement bar and a preparation method thereof. The meal-replacement bar is prepared from the following raw materials in parts by mass: 40 to 50 partsof burdock root powder, 10 to 20 parts of soybean isolate protein powder, 4 to 5 parts of whey protein powder, 3 to 5 parts of basil seeds, 2 to 4 parts of garcinia cambogia extract, 2 to 3 parts ofresistant dextrin, 2 to 3 parts of skimmed milk powder, 1 to 2 parts of white kidney bean extract, 1 to 2 parts of soy phospholipids, 1 to 2 parts of lotus leaf extract, 2 to 4 parts of a thickening agent, 0.02 to 0.04 part of an additive and 48 to 70 parts of water. The burdock slimming meal-replacement bar disclosed by the invention can help the human body to increase satiety, inhibit energy conversion, burn fat, control body weight rebound, and maintain skin elasticity, is unique in taste, rich in nutrients and convenient to carry, and has good economic benefit and social benefit.

The invention discloses a method for preparing instant sea cucumber with stable collagen protein, which comprises the following steps that: a. a sea cucumber is eviscerated, washed and precooked; b. the precooked sea cucumber is dipped in neutral water-soluble chitosan solution under vacuum and then the dipped sea cucumber is taken out and is solidified in transglutaminase solution; c. seasoning is conducted; d. vacuum nitrogen packaging is conducted; and e. high-pressure steam sterilization and the like are conducted. The sea cucumber prepared through the method provided by the invention has the following two advantages that: 1, the original nutrition and the bioactive ingredients of the sea cucumber are reserved, and the flavor and the tissue structure of the sea cucumber are good, i.e. the deliciousness and the healthcare function are integrated into a whole body; and 2, the collagen protein is stable, and the preservation period is long and is one year at 0-4 DEG C and three months at room temperature. Thereby, the instant sea cucumber is widely popular with consumers.

The invention relates to a health food for improving sleep and a preparation method thereof. The three main raw materials of acanthopanax root, jujube kernel and platycladi seeds are subjected to ethanol extraction, vacuum concentration, low temperature drying, and liquid soft capsule and other advanced processes. Each 100 g of the health food finished product for improving sleep contains at least644 mg of total saponin and 460 mg of total flavonoids, the biological active ingredients of the raw material medicinal material is retained to the utmost extent, the matching is reasonable, the absorption can be effectively promoted, and the health benefits of improving sleep can be achieved; the health food is safe to eat and has non-toxic side effects, by inducing natural sleep, the health food is capable of balancing the body environment, calming mind, moving qi and resolving stagnation, and calming and soothing nerves to improve sleep.

The invention provides a traditional Chinese medicine ultramicro wall-breaking fine powder for treating a stomach disease, and belongs to the technical field of the traditional Chinese medicine. A preparation method of the traditional Chinese medicine ultramicro wall-breaking fine powder comprises the following steps: (1) treating raw materials; (2) breaking walls and grinding; (3) carrying out wet-process ball milling, and grinding; (4) decocting and filtering; (5) carrying out vacuum thin film concentration and drying on the filtrate; and (6) carrying out high temperature sterilization. The traditional Chinese medicine ultramicro wall-breaking fine powder for treating the stomach disease is prepared by compounding natural food materials and medicinal materials which have the effects of tonifying spleen and reinforcing stomach and synergistic interaction effects on the stomach disease; the natural food materials and medicinal materials are made into fine powder by adopting ultramicro wall breaking, so that the damage on nutritional materials and functional components in the product in a processing process is reduced, and original bioactive components and functional components are greatly retained; the traditional Chinese medicine ultramicro wall-breaking fine powder is small in particle size, good in uniformity and high in dissolution rate; the dissolution and absorption speed of the traditional Chinese medicine ultramicro wall-breaking fine powder in bodies can be accelerated, the absorptive amount of the traditional Chinese medicine ultramicro wall-breaking fine powder is increased, and therefore, the traditional Chinese medicine ultramicro wall-breaking fine powder has a good treatment effect on the stomach disease.

The invention discloses a preparation method of ultra-micro wall-broken freeze-dried instant fruit and vegetable powder. The preparation method comprises the following steps: (1) selecting fruits and vegetables, cleaning the fruits and vegetables, performing sterilizing, removing peels and seeds, cutting the treated fruits and vegetables into pieces, and airing the pieces for later use; (2) breaking walls of the fruits and vegetables processed in the step (1), and performing smashing and pulping so as to obtain wall-broken fruit and vegetable pulp; (3) carrying out vacuum freeze drying on the wall-broken fruit and vegetable pulp; and (4) smashing the wall-broken fruit and vegetable pulp subjected to vacuum freeze drying into powder, and packaging the powder so as to obtain the instant fruit and vegetable powder. The fruit and vegetable powder is free of additives, convenient to store and carry, convenient to eat at any time and any place, capable of keeping the original nutritional ingredients of the fruits and vegetables to the maximum extent, and capable of being more quickly absorbed by eaters.

The invention discloses a preparation method of an ultramicro traditional Chinese medicine. The preparation method is characterized by comprising the following operation processes of: preparing medicinal materials, sorting, washing, drying, smashing by supersonic gas flow, smashing cold slurry, granulating specially, and performing pollution-free sterilization and vacuum packing. For the ultramicro traditional Chinese medicine prepared by the method, the absorption rate of the medicine is increased, bioavailability and a medicinal effect are improved, the preservation of biological active ingredients is facilitated, raw materials are saved, and the ultramicro traditional Chinese medicine is convenient to apply.

The invention relates to a method for preparing amlodipine atorvastatin calcium tablets. According to the method, the superfine grinding process is adopted, atorvastatin calcium and amlodipine besylate are subjected to the superfine grinding respectively, then the atorvastatin calcium and amlodipine besylate are mixed with a defined amount of auxiliary materials for tabletting, and according to a sample prepared through the process, compared with the prior art, the dissolution rate is happened to be within 85-95:90-100.

The invention discloses multi-functional medicinal slices. The multi-functional medicinal slices are mainly prepared from the raw material of ultra-fine radix trichosanthis with the granular size being larger or equal to 600 meshes, and the preparation technology of the multi-functional medicinal slices comprises the steps of drying treatment, coarse smashing, ultra-fine wall breaking, ball milling wall breaking and sterilization. The multi-functional medicinal slices have various kinds of healthcare functions such as moisting throat, regulating blood sugar and improving the immunity, the effective component of the drug can be sufficiently released through combination of ultra-fine smashing and ultra-fine wall breaking and ball milling wall breaking techniques, the high content of the effective component is ensured, and the healthcare effect is reliable.

The invention provides a traditional Chinese medicine composition for treating gastropathy. The traditional Chinese medicine composition is prepared from the following raw medicinal materials in partsby weight: 20-30 parts of bulbus fritillariae thunbergii, 20-30 parts of panax pseudo-ginseng powder, 30-40 parts of bulbus fritillariae cirrhosae, 40-50 parts of cuttlefish bone, 45-55 parts of bletilla striata, 25-35 parts of white peony root, 25-35 parts of Chinese angelica, 20-30 parts of rhizoma corydalis, 25-35 parts of codonopsis pilosulae, 25-35 parts of raw largehead atractylodes rhizome, 25-35 parts of calcined concha arcae, 25-35 parts of milkvetch root, 40-50 parts of licorice root and 45-55 parts of poria cocos. The traditional Chinese medicine composition provided by the invention has a very good effect on the treatment of various stomach diseases, avoids relapse after cure, thoroughly solves the difficult problems of long treatment and repeated attacks of the stomach diseases, and has the characteristics of quick effect, good curative effect, thorough treatment and difficult relapse in clinical application, and the cure rate can reach 99%.

The invention discloses a method of separating and extracting coenzyme Q10 from microbial fermentation broth. The method includes filtering the microbial fermentation broth, and drying to obtain bacterial powder; using a micronization technique to crush the bacterial powder into coenzyme Q10 micropowder 2-35 mu m in particle size; extracting, performing solid-liquid separation, carrying out chromatography, and crystallizing to obtain finished coenzyme Q10. The method herein has high yield; product quality is good; the process is simple; extraction time is short; separation and extraction efficiency is high; the cost is low; the method is suitable for industrial production.

The invention discloses a preparation method of a high-quality lemon meal fiber compound enzyme. The method is characterized by comprising the following steps of (1), adding lemon peel slag into waterwith weight which is 2-3 times of that of the peel, performing heating and boiling by 5-10 min, rinsing by clear water to colorless, and drying and crushing for forming lemon peel powder; and (2), mixing the lemon peel powder with buffer solution which has a weight ratio of 1:15-40 and a pH value of 4-8, then adding an enzyme preparation with the weight ratio of 0.04-1.0% to the lemon peel powderand performing slowly stirring, performing insulation extraction for 0.5-3 hours at the temperature of 40-70 DEG C, heating the extracting solution to above 95 DEG C, performing insulation by 5-10 min for obtaining meal fiber extract solution, etc. According to the method of the invention, when the compound enzyme is utilized for preparing the meal fiber, the buffer solution with the pH value of4-8 is added for cooperation, therefore not only is extraction time of the meal fiber greatly reduced, but also balance of the meal fiber is improved. Furthermore use amount of the enzyme preparationand an extraction cost are reduced.

The invention discloses a cordyceps sinensis composition with an anti-aging function, a preparation method of the cordyceps sinensis composition and an anti-aging skin care product. The cordyceps militaris composition with the anti-aging function comprises the following components in parts by weight: 1-25 parts of a cordyceps militaris complex water extract, 1-25 parts of a cordyceps militaris complex alcohol extract, 1-25 parts of a cordyceps militaris water extract and 1-25 parts of vitamin C, can effectively remove oxygen free radicals, and has the anti-aging, anti-wrinkle and anti-allergyfunctions. The invention further discloses a preparation method of the cordyceps sinensis composition with the anti-aging function, the method is simple in process and low in equipment requirement, and the cordyceps sinensis composition with the anti-aging, anti-wrinkle and anti-allergy functions can be obtained. The invention further discloses an anti-aging skin care product containing the cordyceps sinensis composition with the anti-aging function, the water content of skin cuticles can be increased, fine lines of skin can be reduced, and the anti-aging skin care product has a good anti-aging effect.

The invention relates to the technical field of tea processing, in particular relates to a method of creation of celery leaf tea. The status quo of the use of celery leaf as technology waste only is altered, and a new approach is provided for processing and utilization and value-added efficiency of celery leaves. By the method of creation of celery leaf tea, the celery leaves are subject to the process of withering, raw drying, and greening, the method of steam combined with microwave blanching is adopted, after rolling, tea leaf desiccation is conducted using medium and short wave infrared, by the subjecting to suitable brewing method, celery leaf semi-fermented tea is obtained. The produced celery leaf tea product is tight and strong, black in color, strong in aroma, light in brewing liquid color, fresh and high in taste, and has the health benefits of depressurization, lipid-lowering and anti-oxidation and the like.

The invention discloses an orthopedic composite adhesive material, and relates to the technical field of medical materials. The orthopedic composite adhesive material comprises a solid component and aliquid component, wherein the solid component comprises polymethyl methacrylate, furyl aromatic polyamide, a contrast agent and an initiator; and the liquid component comprises methyl methacrylate. The invention further provides a preparation method of the orthopedic composite adhesive material. The orthopedic composite adhesive material has the beneficial effects that a certain proportion of furyl aromatic polyamide material is mixed into the raw materials of the orthopedic medical composite adhesive material, and the orthopedic composite adhesive material belongs to a bio-based material, ishigh in biological safety, has relatively good biological activity, can effectively reduce thermal injury of tissues, has the heat release temperature of lower than 60 DEG C, and has excellent antibacterial performance.

The invention relates to a preparation method and application of an instant isatistinctoria leaf extract, in the method, fresh isatistinctoria leaves are used as a raw material, water-soluble substances in the isatistinctoria leaves are extracted by using purified water, and then dry powder is prepared by using a freeze-drying technology. The dry powder obtained through the method is dark green, the fresh isatistinctoria leaves can be converted into a powdery reserve raw material through the method, original active ingredients of the isatistinctoria leaves are reserved to the maximum degree, and the isatistinctoria leaves which are plants which are limited to grow by seasons can be used instantly. The main components of the extract are 31% of polysaccharide and 53% of protein, and in-vitroactivity tests show that the extract has certain antioxidant and antibacterial activity and is applied to preparation of drugs for treating treatment psoriasis or parapsoriasis guttata. The fresh isatistinctoria leaves used in the method are picked and squeezed at present, the original bioactive components of the isatistinctoria leaves are reserved, and the problem that the use of the fresh isatistinctoria leaves is limited by seasons is solved.

The invention provides an ultrafine powder piece of prepared rehmannia root. The granularity of the ultrafine powder piece of prepared rehmannia root is 1-10mum, the quantity of bacteria contained in the piece does not exceed 10000cfu / g, and the quantity of moulds or microzymes contained in the piece does not exceed 100cfu / g. The invention also provides a preparation method of the ultrafine powder piece of prepared rehmannia root, and an application of the ultrafine powder piece of prepared rehmannia root. The ultrafine powder piece of prepared rehmannia root satisfies microbial limit requirements of oral solid medicines, and the component dissolution rate and the component leaching rate of the ultrafine powder piece are greatly higher than that of a traditional piece; the preparation method of the ultrafine powder piece of prepared rehmannia root needs no ultralow temperature treatment process, no extraction and no high temperature treatment process, and the crushing process does not cause component damage or removal, so the preparation method is suitable for the industrial production; and the preparation method of the piece of prepared rehmannia root can realize a disinfection effect, is a cold sterilization technology, avoids the destroys of a high temperature to traditional Chinese medicinal components, and avoids chemical gas and radiation pollution by killing bacteria through a physical method.