101results about How to "Destructive activity" patented technology

The invention relates to a fresh-keeping packaging material and products thereof, belonging to the technical field of packaging. The invention has the technical scheme that a certain proportion of mineral micropowder of kieselguhr or sepiolite or medical stone or bentonite or tephros or perlite and the like is doped into plastics of PE, PP, PVC and the like and paper pulp, and then the mixture is made into thin films, packaging paper or packaging bags or packaging boxes or packaging cases, trays and the like; the characteristics of dispersity, air permeability, adsorbability, far infrared ray and positive and negative ion function and the like of the mineral micropowder are utilized to enable the packaging material to generate micropores, and therefore, the packaging material has a certain air permeability and adsorbability or generates positive and negative ions or far infrared rays; gas and a small quantity of moisture which are generated from packaged articles are discharged from the micropores, and harmful gas is absorbed and transferred, and thereby, the heat value of the packaged articles can be effectively lowered; microbes are killed or restrained, thereby meeting the demands of keeping fresh of live and fresh food and prolonging storage life.

The invention discloses a preparation method of a multi-growth-factor slow release coating of a titanium and titanium alloy surface. According to the method, a plurality of layers of coatings containing nanoparticles of growth factors are prepared on the titanium surface by taking the nanoparticles as a growth factor carrier and charged high molecular thin films as a medium. The nanoparticles included in the coating are prepared by mixing polycation solution containing dopamine of certain concentration with polyanion solution containing the growth factors. The nanoparticles have good dispersibility, can protect the activity of the growth factors and are easy to fix on the surface of a material. By controlling the electric property of the nanoparticles and the high molecular thin films, nanoparticles carrying with different factors are embedded between the high molecular thin films. By adjusting the loading quantity and the loading sequence of different nanoparticles and the thickness of the coatings, effective control over release speed, release quantity and release sequence of the various growth factors can be realized.

The invention provides a preparation method of a maca extractive. The method comprises the steps that maca powder is placed into a microwave dryer, heated to 50-60 DEG C for 15-25min, and cooled to a room temperature; enzyme deactivation treatment is conducted; enzyme activity is destroyed; glucosinolate hydrolysis is prevented; backflow extraction is conducted; water is added to an extractive; the extractive is stirred, stands and is precipitated; supernatant liquid is separated and concentrated; beta-cyclodextrin is added; stirring is conducted for 50-70min; the extractive is embedded; volatilization of glucosinolate is prevented; vacuum drying is conducted; and the maca extractive is obtained. The method can effectively prevent hydrolysis of an available component, namely glucosinolate, in maca, and in particular can effectively prevent volatilization of glucosinolate as the extractive is embedded at normal temperature and pressure; the component is reserved to the greatest extent for improving an effect; a stimulation feel during oral administration is reduced; and the dosage is reduced.

The invention relates to a production process method of an algae beverage. The production process method comprises the steps of material selection and arrangement, immersing, washing, crushing, deodorization, enzyme decomposition, fermentation, alcohol removal, clarification, filtration, acid-sugar blending, essence accessories addition, water addition for homogenizing, sterilization and canning. The production steps are carried out according to a certain sequence, the conditions of a production process flow are strictly controlled, and the production parameters of each step in the flow are monitored to obtain a high-quality algae beverage. The whole production process method is simple and clear in step, and provides good guarantee for production of the algae beverage which is healthy, environment-friendly, safe, reliable and good in color, aroma and taste. Meanwhile, algae raw materials are high in yield, the economic production cost is reduced, and the economic benefit is high on the premise of ensuring the quality of the beverage.

The invention relates to the field of pharmacy, and discloses a Bletilla striata polysaccharide extract and a preparation method thereof. The preparation method comprises the following steps: crushingand sieving a Bletilla striata medicinal material to prepare Bletilla striata powder; adding the Bletilla striata powder to water, and carrying out ultrasonic extraction, centrifuging and filtering to prepare Bletilla striata water extract; concentrating the Bletilla striata water extract, adding ethanol to precipitate, taking the obtained precipitate, and washing and drying the precipitate to obtain crude Bletilla striata polysaccharides; and adding distilled water to dissolve the crude Bletilla striata polysaccharides, centrifuging the obtained solution, taking the obtained supernatant, sequentially carrying out microfiltration and ultrafiltration, concentrating the filtered supernatant, precipitating the obtained concentrate with alcohol, and taking, washing and drying the obtained precipitate in order to obtain the Bletilla striata polysaccharide extract. The ultrasonic extraction process used to destroy cell walls of the Bletilla striata powder facilitates the full dissolving ofthe Bletilla striata polysaccharides, and microfiltration-ultrafiltration combined purification is carried out based on the preparation of the crude Bletilla striata polysaccharides through an ultrasonic water extraction and alcohol precipitation technology to prepare the Bletilla striata polysaccharide extract, so the method can effectively remove proteins, starch and other impurities, and the prepared Bletilla striata polysaccharide extract has a high purity and a low protein content, and is free from starch and inactive polysaccharides.

The invention discloses a viscose fiber which has long antibacterial effect and can emit negative ions and a production method. The invention mixes tourmaline particulate that is modified by low density polyethylene wax, antioxidant and coupling agent, together with emulsion slurry that is evenly allocated with activating agent, nano-antibacterial agent (mainly nano silver) and dispersing additives, and then adds the mixture to the ordinary viscose raw liquor. The viscose fiber with long antibacterial effect and emitting of negative ions can be produced by adopting the ordinary and conventional spinning method. The fiber, which can be used for making anti-bacterial textiles or healthy textiles, is the important direction of the upgrading of daily use textiles, and can not only be used for making health care underwears and leisurewears, but also can be used for making dormitory articles such as curtains, carpets, automobile decorative cloth, bed sheets, quilts and so on.

The invention discloses a drying method capable of keeping bright-colored color, bloom form and inherent flavor of camellia chrysantha. The method comprises the steps of pre-freezing the picked fresh camellia chrysantha at the temperature of -18DEG C to enable the fresh camellia chrysantha to be iced and hardened; and putting into a low-temperature vacuum refrigerating machine, and drying for 8-12h under the condition that the vacuum degree is 80+ / -20Pa and the temperature is 45-70DEG C. The drying method has the advantages that the appearance of the fresh camellia chrysantha can be fixed after the camellia chrysantha is pre-frozen; the cells of the fresh camellia chrysantha can be broken, so that the drying speed can be accelerated, and the drying time can be reduced; the activity of the fresh camellia chrysantha can be broken, so that the browning of the color in the process of heating can be avoided; and a certain vacuum degree can be kept by means of low-temperature vacuum freeze drying, so that the participation of oxygen can be completely eradicated, the oxidation reaction can be avoided, and the color of the fresh camellia chrysantha can be protected; and the evaporation temperature of moisture in the fresh camellia chrysantha can be reduced, and the evaporation speed of the moisture can be accelerated. A certain temperature in the machine can be kept, the drying speed can be accelerated, and the drying time can be reduced.

The invention specifically discloses instant green tea and a preparation method thereof. The instant green tea is prepared from fresh tea leaves, and the preparation method comprises processing steps of breaking, extracting, filtering, concentrating, forming and drying, wherein the step of concentrating is realized by concentrating through a reverse osmosis membrane and implementing low-temperature vacuum concentration to obtain a concentrated solution which has 30-50% of solid content; in the step of forming, a blow molding process is adopted, and carbon dioxide gas is filled under high pressure to be coated in the tea concentrated solution; the step of drying adopts supercritical carbon dioxide drying; before breaking, the preparation method further comprises steps of high-temperature and high-pressure steam treatment and quick freezing, so that enzymes in the tea leaves are deactivated and GCG is generated, and therefore, oxidation resistance of the tea leaves is enhanced. Through the method disclosed by the invention, active ingredients in the tea leaves are completely extracted and preserved, and the active ingredients are prevented from being oxidized in the preparation process; meanwhile, the granulated green tea or sliced green tea is filled with carbon dioxide, so that taste and aroma in drinking of the instant green tea are improved.

The invention discloses an anion sleeping-promoting health-care pillow core. The pillow core is prepared by the following steps of: uniformly mixing 3-10 mu m tourmaline and serpentine with 10-20 mu m yew, lavender and junci medulla to obtain an anion additive; uniformly stirring 5-10wt% of adhesive agent, 12-25wt% of anion additive and the balance being deionized water to obtain an anion preparation; and adding a swelling agent, a true silk softener and the anion preparation to silk floss, drying and curing to obtain silk floss filler, and finally adding the silk floss filler to a spectrum fiber pillow core housing, wherein the spectrum fiber used in the spectrum fiber pillow core housing can be prepared by a coating process or a spinning process. According to the invention, the preparation process is simple and has wide application range; and the prepared pillow core has the functions of alleviating fatigue, soothing the nerves, promoting sleeping and releasing anions to promote human metabolism and improve immune function, and has far infrared radiation capability and the efficacies of resisting bacteria, inhibiting bacteria, deodorizing and the like.

The invention belongs to the technical field of additives preparation, and particularly relates to an additive capable of releasing negative oxygen ions and a preparation method of the additive. The additive capable of releasing negative oxygen ions comprises monazite, zeolite, Maifan stone and tourmaline. The additive permanently releases the negative oxygen ions, transmits far infrared rays, is free from toxicity, harm and radioactivity, can remove indoor harmful gases such as formaldehyde, benzene and ammonia gas and has the functions of removing odor, inhibiting bacteria and purifying water and air and the other functions.

An antiseptic composition comprising a multivalent cationic antiseptic present in an amount of 0.05 to 0.5 percent based upon the ready to use composition; an anionic compound which is water soluble in an amount of at least 0.1 grams in 100 grams water at 23 deg C., wherein the anionic compound is present at a concentration which would result in precipitation of the multivalent cationic antiseptic in the composition without a solubilizing surfactant present; wherein the composition, with the antiseptic, surfactant and anionic compound combined with each other, is free of precipitate.

The invention mainly relates to the technical field of food processing, and discloses a preserving method of pickled chili peppers. The preserving method comprises the following steps of preparing rawmaterials; performing fermentation for the first time; performing fermentation for the second time; and performing packing. The method is simple, and the obtained pickled chili peppers are low in salinity, rich in fragrance, moderate in sour and hot degree, soft and crisp in mouth feel, free from any additive, safe and healthy. The species of the pickled chili peppers in the market are increased,and nutrient and health requirements of consumers are met. Fresh chili peppers are thoroughly cleaned, then staged drying is performed, cutting up is performed, and then preserving is performed, so that the moisture of the chili peppers is reduced, and the tissue of the chili peppers is softened; and therefore, the pickled chili peppers are soft and crisp in mouth feel. Soft and mashed mouth feelof conventional pickled chili peppers is changed, the condition that the pickled chili peppers are cut when being eaten is avoided, and the pickled chili peppers are convenient to eat. The chili peppers are cut up, soybean oligosaccharides are added, and then fermentation is performed with lactic acid bacteria, so that the pH is reduced, micromolecular fragrance and nutrient components are increased, and the bright color and the soft and crisp mouth feel of the chili peppers are maintained. Seasoning is added, and then fermentation is performed, so that the pickled chili peppers are rich in mouth feel, the appetite is promoted, and the pickled chili peppers are moderate in sweet and salty degree.

The invention discloses a processing method of daylily, and relates to the technical field of processing of the daylily. The processing method comprises the following steps of S1: performing loading in a disk; S2, performing braising and steaming; S3, performing cooling; S4, performing air-drying; S5, performing baking; and S6, performing bagging. Through the adoption of the processing method provided by the invention, nutrient components contained in the daylily can be prevented from running off excessively, and after being baked, the daylily can still maintain good color.

The invention relates to the field of yellow tea processing, in particular to a fragrant egg drop yellow tea processing method which includes the processing procedures of raw material recovery, spreading, steaming, heaping for yellowing, rolling, drying, blowing, stacking and covering, dampening, secondary drying, secondary blowing, secondary stacking and covering, secondary dampening, drying, packaging and the like. Fragrant egg drop yellow tea processed by the method is fresh and heavy in taste, lingering fragrance is left in the mouth of a user after drinking the tea, fragrance is lasting, the fragrant egg drop yellow tea processing technology is scientific, reasonable, simple and perfect, the fragrant egg drop yellow tea is produced in a standardized and large-scale manner, and the requirements of numerous tea lovers for tea with excellent quality are met.

The invention mainly relates to the technical field of tea processing, and discloses a method for preparing yellow tea, which includes: picking, cleaning, first-time yellowing, greening, initial kneading, second-time yellowing, re-kneading, drying, and packaging; the method is simple, It can be prepared in batches, and the whole process avoids high-temperature frying, saves energy, and retains the nutritional content of tea leaves. The obtained yellow tea has a strong fragrance, and the tea leaves and tea soup are apricot yellow, which can be brewed and drunk many times to improve the nutritional utilization of yellow tea; Rinse in running water in the mountains after picking to increase the nutritional content of the tea leaves, remove the pollutants in the tea leaves, avoid the tea washing process when brewing and drinking, and fully retain the nutritional components of the yellow tea; Fermentation produces a large number of small molecular aromas and nutrients, which increase the mellow taste of yellow tea, and the small amount of alcohol produced can dissolve chlorophyll, destroy the activity of polyphenol oxidase and peroxidase, and turn the tea from green to yellow, from brittle to brittle. soft.

The invention belongs to the field of biological preparations, relates to a preparation method of a probiotic preparation, and particularly relates to a preparation method of a lactobacillus acidophilus solid preparation. According to the preparation method, the strain activation and culture conditions are optimized, the activated strain is mixed with a corresponding agar-containing solid medium,storage is carried out after solidification, thus the activity of the strain in the solid preparation is guaranteed, and the phenomenon that lactobacillus acidophilus loses activity gradually due to dryness during the long-term storage process is avoided. The lactobacillus acidophilus live bacteria preparation obtained through the preparation method of the lactobacillus acidophilus solid preparation provided by the invention has relatively high activity, thus being widely applied in preparing the products capable of improving the human body immunity.

The provides a pulse control method and a device thereof, ablation equipment, a system and a storage medium. The pulse control method comprises the following steps: outputting a nanosecond pulse sequence and a millisecond pulse sequence to a target biological tissue; the amplitude of the nanosecond pulse sequence is larger than the threshold voltage, and the amplitude of the millisecond pulse sequence is smaller than the threshold voltage. According to the embodiment of the invention, the nanosecond pulse sequence with the amplitude greater than the threshold voltage cooperates with the millisecond pulse sequence with the amplitude less than the threshold voltage, such as the synergistic effect of the high-voltage nanosecond pulse sequence and the low-voltage millisecond pulse sequence, so that the effective ablation range can be enlarged, the ablation is more thorough, the muscle contraction amplitude can be effectively reduced, or the muscle contraction probability is reduced, even the muscle contraction phenomenon is avoided, the treatment experience feeling of a patient can be improved, and the use of anesthetics can be reduced or even not needed, so that the treatment cost is effectively reduced, and side effects are reduced.

The invention discloses grain storage equipment. The grain storage equipment comprises a cabinet body, a refrigerating compressor, an electric heating device and a sterilizing device are arranged in the cabinet body, an emptying device communicated with the outside is arranged on the cabinet body, and the refrigerating compressor, the electric heating device and the sterilizing device are electrically connected with a main control device. As the refrigerating compressor, the electric heating device and the sterilizing device are arranged in the cabinet body, heating and dehumidifying can be achieved to prevent mildewing and bacteria, then the sterilizing device is adopted for sterilization, and the refrigerating compressor is adopted to reduce the temperature in the cabinet body to keep the temperature in the cabinet body to be low so that the storage time of grain can be prolonged; as the electric heating device is arranged, after the grain is heated, moisture drained from the grain is exhausted in the form of steam, dryness and low humidity in the cabinet body are effectively ensured, the possibility of bacterium breeding and mildewing is reduced, and it is unnecessary to store the grain at too-low temperature, so that the freshness of the grain is ensured, and it is prevented that nutrition and activity of the grain are destroyed due to too-low temperature.

A hirudin extracting method belongs to the technical field of hirudin extraction and comprises the following steps: 1), starving: 2), stimulating for excretion: holding ambient temperature to 23-40 DEG C, spraying an attractant to the body surface of a leech under ultraviolet irradiation at 200 nm and 275 nm in wavelength for 30-180 seconds, turning off ultraviolet, irradiating the leech for 3-15 min by using a warm white light in a flashing manner, or irradiating the leech for 3-15 min by using a warm white light and a green light in an alternating flashing manner such that the leech is stimulated to secrete a secretion; 3), sterilizing; 4), concentrating. The hirudin extracting method is high in hirudin extraction quantity and allows repeated extraction, the powdered hirudin finally obtained has light color and high level of active ingredients.

The invention discloses a traditional Chinese medicine composition for treating gout. The composition is prepared from the following raw materials in parts by weight: 100-320 parts of gynura procumbens, 50-250 parts of moringa leaves, 100-350 parts of chicory, 50-450 parts of common lophatherum herbs, 100-450 parts of coix seeds and 50-350 parts of corn stigma. The invention further provides a method for preparing the traditional Chinese medicine composition. The traditional Chinese medicine composition has remarkable gout treatment effect, simple prescription and small side effect. The preparation method is simple and efficient and is suitable for industrial production.

The invention provides a preparation method of high sulphate group fucoidan polysaccharide, and belongs to the technical field of active polysaccharides. The method solves the problems that in the process of extracting the fucoidan polysaccharide in the prior art, extraction liquid has many impurities; the polysaccharide leaching efficiency is low; the product purity is not high; the polysaccharide decomposing is caused by high temperature, strong acid or strong alkalinity environment in the preparation process; active groups such as sulphate groups are lost, and the like. According to the method, algal is used as a raw material; firstly, the algal is subjected to ultrafine crushing treatment, so that the algal cells are subjected to wall breaking; the polysaccharide leaching rate is increased; the extraction time is reduced; then, a water extraction method is used for extracting the fucoidan polysaccharide; the polysaccharide decomposing and the sulphate group activity loss can be reduced; the natural ingredients and activity of the fucoidan polysaccharide can be greatly remained; finally, the extraction liquid is subjected to protein removal by trichloroacetic acid, sodium alginate impurity removal through ethanol precipitation, and polysaccharide precipitation by ethanol, so that the high-purity and high sulphate group algal polysaccharide is obtained. The purity of the fucoidan polysaccharide prepared by the method can reach 60 to 70 percent; the organic sulfate radical content reaches 20 to 30 percent.

The invention discloses a tea enzyme-deactivating and baking streamline system utilizing microwave to heat and dry. The system is composed of a material feeding hopper, a material feeding mouth, a gas outlet pipe, a microwave chamber, a microwave magnetron generator, an aspiration channel, an exhaust inlet, an attenuation chamber, a conveyor belt, a transmission auxiliary shaft, a finished-product vehicle, a control cabinet, an outer control disc, a transmission platform, a support, an enzyme-deactivating and baking cavity, a material feeding attenuation chamber, a motor, an electric chamber, a decelerator, a driving belt, a transmission main shaft, and a device machine body. The system fully utilizes the penetrating performance and non-thermal effect of microwave to rapidly heat the tea to a required temperature for enzyme-deactivating and drying to destroy the activity of the enzyme in fresh tea leaves to inhibit the enzymatic reactions; the microwave makes the inner molecules in tea to collide with each other in a high speed, thus a great amount of friction heat is generated, the temperature of the tea is rapidly increased, the surface and inner of the tea are simultaneously heated in a short time, thus a great amount of water molecules are rapidly evaporated from the tea, and the effects of rapid enzyme-deactivating, drying, sterilizing, and improving tea quality are achieved.

The invention discloses a processing method of roasted sweet potatoes. The processing method comprises the following steps: cutting and sorting sweet potatoes to obtain sweet potato dices, precooking the sweet potato dices with barley malt or barley malt lixivium, besides, adding sugar of which the composition is close to that of the sweet potatoes, cooking the sweet potato dices, the barley malt or the barley malt lixivium, and the sugar together until the sweet potato dices are medium-well cooked, draining water, quickly freezing the medium-well cooked sweet potato dices without water so as to obtain semi-finished products, then baking the semi-finished products, or directly baking the semi-finished products for eating or quickly freezing the semi-finished products. The processing method disclosed by the invention is low in cost and high in economic benefits, the fresh keeping time is long, the roasted sweet potatoes are convenient to transport, store and sell, toasted yellow loved by people and fragrance can be produced under the condition that no artificially synthesized food additives are added, and the toasted sweet potatoes are safe to eat.

The invention relates to the technical field of agricultural machines, and concretely relates to a multilayer enzyme deactivating and rolling machine. The machine comprises a pedestal, a feeding device, a leaf separation device, an enzyme deactivating device, a driving device and a rolling device, and the pedestal includes a heating furnace, a leaf receiving box and a base plate; the feeding device comprises first supports, a feeding box, a first slide way, a second slide way and a third slide way; the leaf separation device comprises a sliding leaf separation plate and a fixed leaf separation plate; the enzyme deactivating device comprises a first rotating cylinder, a second rotating cylinder, a third rotating cylinder, a first sprocket wheel, second supports, a fixed cylinder and fixed rods; the driving device comprises a second side plate, third supports, a second motor, a second sprocket wheel and a chain; and the rolling device comprises fourth supports, a third motor, a rotating disc and rolling plates. A plurality of the rotating cylinders are arranged on the machine, so the enzyme deactivating area is increased, and the folding problem of tea leaves is solved; and direct rolling is carried out after the enzyme deactivation, so damaging of the tea leaves, easily caused by long-time drying of the tea leaves, is avoided, and the processing quality is increased.

The invention relates to a healthy ceramic formula. The ceramic is prepared from, by weight, 15-17 parts of calcite, 9-12 parts of ochre, 22-25 parts of bentonite, 12-15 parts of volcanic, 6-9 parts of rock phosphate, 3-6 parts of zeolite, 2-4 parts of montmorillonite, 4-6 parts of sepiolite, 3-5 parts of kaoline, 5-7 parts of kieselguhr, 3-4 parts of illite, and 2-3 parts of dolomite. The healthy ceramic can be only produced according to a traditional technique, so its production technique is very simple; moreover, the sintering temperature is low and the production cost is effectively reduced; the healthy ceramic has the advantages of releasing a certain dosage of negative ions with high activities, damaging activity of active enzymes of bacteria, and further reaching the effects of anti-microbial and sterilization; besides, the healthy ceramic formula has excellent anti-microbial function.

The invention relates to the technical field of agricultural machinery, in particular to a fixation and kneading apparatus. The fixation and kneading apparatus comprises a bottom plate, a fixation apparatus and a kneading apparatus, wherein the bottom plate is in a rectangular shape; the fixation apparatus comprises a first rotary drum, a second rotary drum, a third rotary drum, a first support, a fixed barrel, a fixed rod and a screw blade, and the screw blade is installed on the inner wall of the rotary drum; the kneading apparatus is installed on the bottom plate, the kneading apparatus comprises a second support, a motor, a turntable and kneading boards, each kneading board has a given radian, the quantity of the kneading boards is three, and the three kneading boards stretch into three rotary drums to be matched with a bulge on the tail end of the rotary drum. The fixation and kneading apparatus is provided with a plurality of rotary drums, so that the fixation area can be increased, and the tealeaf folding problem is reduced; and after the fixation is ended, the tealeaves can be directly kneaded, the damage of the tealeaves caused by the long-term drying of the tealeaves can be avoided, and the processing quality can be improved.

The invention discloses a production method of roasted green tea. The production method comprises the following steps: spreading fresh leaves: spreading fresh tea leaves into a shady, cool and ventilated environment: carrying out fixation: carrying out the fixation through a high-temperature hot air roller fixation manner; rolling: rolling the tea leaves subjected to the fixation; unblocking: putting the rolled tea leaves into an unblocking machine for unblocking; primarily drying: putting the unblocked tea leaves into a chain plate machine and drying; tempering: naturally cooling the tea leaves which are primarily dried; drying again: frying and drying the tempered tea leaves; carrying out secondary tempering: naturally cooling the fried and dried tea leaves again; improving aroma: improving the aroma of the tea leaves subjected to the secondary tempering; refining, sorting and packaging: eliminating impurities in the tea leaves through refining and sorting and packaging. According to the production method of the roasted green tea, disclosed by the invention, the green tea has fine and fresh color and luster, is bright green, smooth and bright and has a bright green and pure taste and full tea aroma.

The invention relates to a preparation method of a long-circulation multifunctional metal organic framework nano-preparation, which comprises the following steps: preparing a GA / Fe nano-composite with moderate particle size by taking PVP (Polyvinyl Pyrrolidone) as a mineralizer, and then obtaining white nano-particles; white nano-particles are dissolved and soaked in a hyaluronic acid solution for incubation, and the multifunctional metal organic framework nano-preparation is prepared; the preparation has excellent biocompatibility, tumor targeting ability, bimodal imaging function and combined CDT / hunger therapy / chemotherapy ability, in-situ imaging and treatment of tumors can be realized at the same time, stealth can be realized in vivo due to doping of polyethylene glycol, long circulation is realized, the preparation has good targeting ability, and the preparation has good application prospects. A PVA / Fe nano-composite based on polyvinylpyrrolidone is packaged, so that the preparation simultaneously realizes a T2 imaging effect based on Fe < 3 + >, the spatial position of a tumor can be accurately obtained, and gallic acid can reduce Fe < 3 + > generated by a Fenton reaction and accelerate the Fenton reaction to generate. OH to effectively kill tumor cells; good application prospects are realized in tumor treatment.

The invention discloses a medicinal health care pad, which comprises a medicinal cotton core, a clean paper wrapped on the outside of the medicinal cotton core, a non-woven surface layer and a waterproof layer wrapped on the outside of the clean paper. The non-woven surface layer and the waterproof layer are respectively located on both sides of the dust-free paper. The surface of the waterproof layer is also coated with self-adhesive, and a release paper is laid on the self-adhesive. The width of the release paper is larger than the width of the pad itself, and the length It is also longer than the length of the pad itself, and the corners of the release paper are sealed and bonded after the pad is folded, so that the entire pad is wrapped in the release paper; the medicinal cotton core is made by cleaning the medicinal composition. , extract, concentrate into extract, then make into powder through drying, spray on the medicinal cotton core; Described medicinal composition comprises 6~10 parts of Cork, 3~7 parts of Milkweed, 4~6 parts of Alum, ivy 2~5 parts, 2~5 parts honeysuckle, 3~6 parts Scutellaria baicalensis.