212results about How to "Inhibition of killing" patented technology

The invention discloses an inorganic antibacterial fiber of a coating layer and a preparation method thereof. The invention leads four-needle zinc oxide whisker that is blended with silver, ferric oxide, titanium dioxide or the mixture of the silver, the ferric oxide and the titanium dioxide to be modified, and expands the responsiveness of the four-needle zinc oxide whisker in the field of visible lights. The four-needle zinc oxide whisker or the modified four-needle zinc oxide whisker are loaded onto the fiber, and due to the special space structure, the four-needle zinc oxide whisker has strong holding power to the fiber and can be well loaded onto the fiber, thus well combining the high catalytic activity of the four-needle zinc oxide whisker and the high specific surface property of the fiber, greatly improving the catalytic efficiency of optical catalysts, and simultaneously solving the recycling problem of the optical catalysts.

Oligonucleotide sequence i.e. adaptor including DNA sequence and RNA sequence can combine with TNF alpha in specificity so as to restrain damaging effect on L929 cells from TNF alpha. The invented adaptor can be utilized to test TNF alpha and cure disease caused by raised level of TNF alpha. Comparing with current antagon of TNF alpha, the invented adaptor possesses advantages of high specificity, high affinity, fast reaching target tissue and quick plasma clearance etc. The oligonucleotide sequence possesses affinity and specificity of monoclonal antibody as well as permeability and pharmacokinetics characters of small molecule polypeptide. The invention is also related to derivation sequence and modified sequence of oligonucleotide, as well as its usage, preparation and diagnosis in curing disease relevant to TNF alpha.

The invention discloses a preparation method of spiced beef with good mouthfeel, which comprises the following steps: putting beef in flowing clear water for soaking until no watery blood separates out, and then draining the beef to obtain preprocessed beef; putting the preprocessed beef in an oven for drying, taking the beef out of the drying oven, jetting an injection into the beef, putting the beef in a rolling and rubbing machine for carrying out primary rolling and rubbing, then adding curing seasonings into the rolling and rubbing machine for carrying out secondary rolling and rubbing, taking the beef out of the rolling and rubbing machine, and carrying out low temperature standing to obtain the cured beef; putting blanched cow leg bones, fresh ginger, garlic cloves, fistular onion stalk and water in a boiling container for decocting, and carrying out filtering to obtain soup stock; adding cloves, tea leaves and the like into the soup stock, performing boiling, carrying out filtering, and then adding dark soy sauce, yeast extracts and the like, performing continuous boiling to obtain boiling liquid; and cutting the cured beef into cubes, blanching the beef cubes, then adding the blanched beef cubes into the boiling liquid for boiling to obtain spiced beef cubes, taking the spiced beef cubes out of the boiling liquid, putting the spiced beef cubes in ice water, after the boiling liquid is cooled to room temperature, putting the spiced beef cubes in the boiling liquid again, carrying out low temperature standing, and then putting the spiced beef cubes in the oven for baking to obtain the spiced beef with good mouthfeel.

The invention discloses a ferment biological complete feed which relates to the technical field of complete feeds. A formula of the ferment biological complete feed comprises the following components in percentage by weight: 5-10 percent of broken rice, 5-25 percent of barley, 5-10 percent of wheat, 5-25 percent of corn, 2-3 percent of molasses, 6-16 percent of fish meal, 2-3 percent of bean pulp, 1-2 percent of peanut meal, 10-20 percent of wheat bran, 3.3-15 percent of barley bran, 1.8-5 percent of rice bran, 5-12 percent of green grass powder, 0.4-0.5 percent of bone meal, 0.4-0.5 percent of calcium carbonate, 0.4-0.7 percent of salt and 1-3 percent of ferment bacterium. The total crude protein amount of the feed is 15.7-20 percent. The complete feed can remarkably improve the conversion ratio and the utilization ratio of the feed or additives, ensure that nutrition components in the feed or the additives can be really and completely absorbed and utilized, simultaneously improve the living organism balance, enhance the disease resistance capacity of livestock, eliminate the drug residue and guarantee the body health of people and organic food sources.

The invention provides an integral nano material with high-efficiency completely removing formaldehyde in air at room temperature and broad-spectrum long-acting antibacterial property at same time, relating to the field of catalysis and environmental protection. The material is characterized in that: honeycomb ceramic is used as a carrier, first loaded channel silver-doped hollandite type crystalline TiO2 is used as a matrix, and a post loaded Ag-Pt alloy is used as an active component. The doped TiO2 matrix is characterized in that: the general formula can be expressed as Ag*(A)y[MzTi8-z]O16(M=Mg2+, Zn2+; A=K+, H+; x is less than or equal to 2; y is less than or equal to 2; z is less than or equal to 3), [MzTi8-z]O16 represents the composition of the TiO2 skeleton, and Ag*(A)y represents the composition of the TiO2 channel. The weight ratio of the Ag-Pt system to TiO2 is about 0-10%, wherein, the weight ratio of Ag to the Ag-Pt system is 0-100%. The integral nano material provided by the invention can completely remove formaldehyde air at room temperature and in ambient humidity, has long-acting, high efficiency and stable broad-spectrum antibacterial property, capable of being widely used for preparing various air purifiers and microbiological treatment devices.

The invention discloses high-performance water-based wood coating which is prepared from the following raw material components in parts by weight: 50-75 parts of silica sol-acrylic polyurethane composite emulsion, 1-5 parts of nanometer aluminum oxide, 1-5 parts of nano-zinc oxide, 0.1-0.25 part of polytetrafluoroethylene, 1-3 parts of bamboo charcoal powder, 0.5-3 parts of bentonite, 1-2.5 parts of alcohol ester 12, 1.5-3 parts of tripropylene glycol n-butyl ether, 0.1-0.8 part of 2,2,4-trimethyl-1,3-pentanediol isobutyrate, 0.1-0.3 part of 2-amino-2-methyl-1-propyl alcohol, 0.1-0.5 part of a silane coupling agent, 0.1-1 part of an antifoaming agent, 0.5-3 parts of a thickening agent and 5-20 parts of water. The high-performance water-based wood coating disclosed by the invention is high in strength, high in wear resistance and scratch resistance, excellent in antibacterial performance, high in water resistance and aging resistance, simplicity in construction and long in service life.

The invention discloses a preparation method of sauce-flavor spiced beef cubes. The preparation method includes the steps of: 1) cutting beef into cubes, soaking the beef cubes in water, and draining the beef cubes to prepare pre-treated beef cubes; 2) crushing and boiling raw ginger, adding cooking wine with uniform mixing to obtain a soaking liquid; 3) mixing Chinese prickly ash, pericarpium citri reticulatae and the like with salt to prepare a pickling material; 4) drying the pre-treated beef cubes in a baking oven, soaking the beef cubes in the soaking liquid, adding the pickling material, uniformly mixing the mixture, tumbling the beef cubes in a tumbling machine and allowing the beef cubes to stand at low temperature to obtain pickled beef cubes; 5) adding clove, tea and the like to soup stock, adding dark soy sauce, salt and the like and continuously boiling the materials to obtain a boiling solution; 6) blanching the pickled beef cubes in hot water, adding the beef cubes to the boiling solution to obtain spiced beef cubes; 7) placing the spiced beef cubes in ice water, and when the boiling solution is cooled to room temperature, and allowing the spiced beef cubes to stand in the boiling solution at low temperature, baking the beef cubes, and adding the beef cubes into a sauce with uniform stirring, and baking the beef cubes to prepare the sauce-flavor spiced beef cubes.

An erosion-suppresisng deep enzymolyzing process for low-value fish features that said low-value fish is enzymolyzed by endoproteinase and exoproteinase under 0.1-0.3 MPa while filling clean air or O2 to kill or suppress the anaerobic bacteria.

The invention discloses a Chinese medicine air sterilization freshener and a preparation method thereof, which has the prescription as follows and the ratio by weight is: 10-20 parts of wild chrysanthemum flower, 5-10 parts of Magnolia officinalis, 30-40 parts of rhizoma atractylodis, and 25-35 parts of rhubarb. The preparation comprises the following steps: washing and drying the medicinal materials: selecting the medicinal materials to be washed and dried respectively; crushing: crushing the dried medicinal materials respectively; distilling: immersing the materials all at once at room temperature by double-distilled water, wherein the dosage is 10 times of the weight of the mixed medicinal materials; filtering and distilling by vapor: extracting a prescription IV by vapor distillation; sterilizing: sterilizing by a flash sterilizer; detecting: detecting the sub-packaged finished products. The air sterilization freshener can be used for preventing cold and treating respiratory diseases, and the like, which can not only inhibit and kill the harmful bacteria and viruses in the air, but can also expel worms, relieve itching and prevent viral influenza.

The invention relates to a water-base emergent rapid purifying agent for haze (fine particulate matters). The water-base emergent rapid cleaning agent is used for emergently and rapidly purifying heavy haze (the fine particulate matters are more than or equal to 250 microgram / m<3>) and particularly emergently and rapidly purifying harmful components (organic matters, polyaromatic hydrocarbon, bacteria and viruses) in the haze. The water-base emergent rapid purifying agent is prepared from toxic-free, harmless, easily degradable matters and natural edible matters and is safe and environmentally friendly. The water-base emergent rapid purifying agent has the beneficial effect that the cost of the purifying agent which is used for purifying each 1m<3> heavy-polluted hazed air is only 0.00004 Yuan (RMB). Therefore, the water-base emergent rapid purifying agent can be actually used for rapidly purifying the haze in mist of airplanes, killing harmful microorganisms in the haze, catalyzing and decomposing harmful organic matters in the haze and converting the harmful organic matters into water and CO2.

The invention aims at providing an energy-saving and environmentally-friendly efficient process for recycling of kitchen waste and garden waste by using low-grade energy. The process comprises the following steps: firstly preprocessing the waste; uniformly classifying the collected kitchen waste and smashing the kitchen waste; smashing the collected large-size garden waste by a large pulverizer, and putting the large-size garden waste and the other small-size garden waste into a small pulverizer to further smash; proportionally putting the preprocessed kitchen waste and the garden waste into a high-temperature aerobic fermentation reactor, wherein the feeding method is a sequencing batch feeding method, and the moisture content of the reacted product is less than or equal to 30%; sieving the processed initial product to filter out the non-treatable large-particle-size impurities, after mixing, processing the product into a planting soil raw material, a soil conditioner or an organic fertilizer according to different uses.

The invention discloses a water soluble organic fertilizer which can increase the fertility, reduce the cost and ensure high quality of crops and is favorable for environmental protection. The fertilizer is a product which is prepared by mixing, stirring and fermenting 50 to 70 weight parts of fruit and vegetable peel, 20 to 40 weight parts of paste prepared by pulping internal organs of animals and fishes, less than 3 weight parts of Chinese medicinal plant nutrient gelatin, 1 to 5 weight parts of giant knotweed powder and 2 to 6 weight parts of fresh garlic juice, wherein the Chinese medicinal plant nutrient gelatin comprises the following components in percentage by weight: 20 to 40 percent of honey, 10 to 30 percent of ganoderma lucidum powder, 10 to 50 percent of bee pollen powder, 3to 15 percent of kuh-seng powder, 3 to 15 percent of chinaberry seed powder and 0 to 15 percent of tuber stemona root powder. The fertilizer is suitable for various crops.

The present invention relates to a method for processing clear type pineapple juice whose clearing rate is upto 99%. Said processing method includes the following steps: selecting pineapple raw material, cleaning, steaming, cutting, pressure filtering, enzymolysis treatment, inactivating enzyme, filtering, centrifugal separation, ultrafiltering, reverse osmosis, high-temperature flash-sterilization, thermal filling and sealing so as to obtain the invented clear type pineapple juice.

The invention discloses a direct feeding type biological fermentation feed additive and a preparation method and an application thereof. The feed additive provided by the invention is composed of ingredients, fermentation probiotics, enzymic preparations and saline solution medium. The product can be directly applied to livestock breeding and aquaculture, and has the effects of improving immunity of animals, enhancing premonition, improving food consumption and a feed conversion ratio, treating and preventing enteric diseases of animals, adjusting balance of intestinal microecology of animals and resisting stress. According to the method provided by the invention, the production strains are screened in a combined manner, a purification method is completed, production time of the strains is subjected to strict quality control, and the problem that biological fermentation is instable is solved. The feed additive is directly used after fermentation, the condition that no damage is caused to all bioactivators generated after fermentation is ensured, and meanwhile the problems about transportation and bacterial contamination in storage are also avoided, so that the effect and security of the product are improved, the cultivation cost is greatly reduced, and the feed additive has a positive promotion effect to green cultivation.

The invention relates to a fabrication technology of a negative ion far infrared multifunctional ceramic decorative ground-wall tile belonging to the ceramic field, which comprises the following steps: (1) adding a 10%-30% of prepared ceramic glaze additive according to the weight percentage into the ground-wall tile ceramic glaze to prepare a functional glaze, milling the functional glaze in a glaze-making ball mill for 24-72 hours, high-intensively removing iron and filtering the glaze for standby; (2) spraying glaze on surface of the ground-wall green tile using functional glaze after drying the prepared ground-wall green tile, then sintering the ground-wall green tile in a tunnel kiln at a high temperature of 1000-1200 DEG C, preparing the finished product after taking the ground-wall tile out of the kiln. The ceramic product of the invention has multiple functions such as permanent release of anion, emission of far infrared, deodorization, self-cleaning, antibacterial and air purification. At the same time the ceramic glaze surface contains a plurality of minerals and microelements germanium and strontium.

The invention provides long-acting electret PP non-woven fabric. The long-acting electret PP non-woven fabric is mainly prepared from the following components in parts by weight: 30 to 35 parts of electret master batch, 36 to 44 parts of melt-blown polypropylene, 8 to 17 parts of surface-treated silicon dioxide, 3 to 5 parts of polyvinylidene fluoride, 5 to 7 parts of polytetrafluoroethylene and 3to 5 parts of PFA. According to the long-acting electret PP non-woven fabric and the preparation method thereof provided by the invention, after the non-woven fabric is treated by an electret process, the filtering performance and charge storage performance of fibers are greatly improved, the high temperature resistance and high humidity resistance of the non-woven fabric are effectively improved, meanwhile, the hydrophobic and oleophobic properties of the fibers are also improved, and the service life is prolonged. In addition, the long-acting electret non-woven fabric also has the functionsof antibiosis, disinfection, deodorization and the like.

The invention discloses application of a full-process antibiotic-free breeding technical scheme in laying hen breeding. In the laying hen breeding process, the application comprises the following three aspects: (1) fermented feed and the laying hen compound feed are mixed according to the mass ratio of (2.5-4) to 100 to prepare a mixed feed for laying hens, and the mixed feed for laying hens is fed in the whole process; (2) fermented Chinese herbal medicines are mixed with a mixed daily ration for laying hens according to the mass ratio (1-5) to 1000 to prepare a health-care daily ration for laying hens, and laying hens are continuously fed with the health-care daily ration for laying hens for 7-10 days in the middle and late ten days of each month; (3) a microbial deodorizing microbial agent is sprayed to a henhouse every 5-7 days. The breeding technical scheme can replace the application of antibiotics inlaying hen breeding, can improve the survival rate, the egg laying rate, the eggquality of the laying hens and the weight of weeded chickens and prolong an egg laying peak period, can improve the tenderness of the weeded chicken, reduce the breeding cost and improve the economicbenefit, and is a green and healthy breeding technical scheme.

The invention provides a complex preservative and application thereof in fruit and vegetable preservation. The preservative is prepared by the following steps: enabling a pururan solution to react with a gamma-polyglutamic acid solution, thereby preparing cross-linked polymer powder; dissolving the cross-linked polymer powder in distilled water, thereby obtaining a cross-linked polymer solution; and enabling the cross-linked polymer solution to react with a copper salt aqueous solution, thereby obtaining the product. The pururan is prepared by fermenting and extracting strong bud aureobasidium, and the gamma-polyglutamic acid is prepared by fermenting and extracting bacillus licheniformis. The complex preservative prepared by the invention has excellent film-forming property and moisture retention property and is extremely small in use amount, is capable of obviously improving the preservation effect of fruits and vegetables, is convenient to use and easy to operate, can be widely applied to perishable fruits and vegetables such as mangos, strawberries, young garlic shoot and chives stem and is suitable for fruit and vegetable preservation in fruit and vegetable producing areas, fruit and vegetable markets, factories / enterprises and families.

The invention relates to a disease preventing and curing medicinal mouth-muffle and a medicinal composite. The disease preventing and curing medicinal mouth-muffle (1) comprises a mouth-muffle body (2), one surface of the mouth-muffle body (2) is provided with an insert pocket (3), and a powder bag (4) which packages the medicinal composite is placed in the insert pocket (3). The medicinal composite comprises the following Chinese herbs by weight: 2.2 percent of chrysanthemum and muskiness, 4.2 percent of cinnamon, good ginger, long pepper, radix aconite, frankincense, myrrh and clove, 5.0 percent of vermilion, 6.4 percent of asarum, eaglewood, croton, resina draconis, early plum flowers and rhizoma ligustici wallichii and 7.6 percent of tooth soap, arsenic sulphide and brain sand. The disease preventing and curing medicinal mouth-muffle internally carries the medicinal composite which plays a role during the mouth-muffle wearing process, thereby having disease prevention and cure and being simple and direct and also effective in treatment.

The invention discloses a sludge, excrement and kitchen waste synergistic anaerobic digestion process. The process comprises the following steps: uniformly mixing pretreated kitchen waste with sludgeand excrement, regulating the water content to 90 percent, cooling to 38 DEG C, and performing an anaerobic digestion reaction in a medium-temperature anaerobic digestion tank for 20 days, using the generated methane part in a steam boiler, preparing natural gas from the rest part, and pretreating kitchen waste and heating in pyrohydrolysis with steam; concentrating biogas residues and biogas slurry to enable the sold content to be 15 percent, performing homogeneous pulping and pyrohydrolysis reaction, cooling the reacted material to 80 DEG C, dehydrating and drying until the water content islower than 40 percent to prepare nutrient soil; recycling part of biogas slurry generated in the dehydrating process, and draining the rest part into a sewage treatment plant for treatment. The process can be used for comprehensively treating sludge, excrement and kitchen waste to generate natural gas and nutrient soil, biogas slurry in the process flow can be refluxed and utilized to reduce external emission, resource, emission reduction and innocent treatment of sludge, excrement and kitchen waste can be realized.

The invention discloses a pig compound feed production method through recycling of poultry excrement. The technology is high in recycling utilization degree, easy to realize large-scale industrialized production, facilitates recycling utilization of waste produced during poultry cultivation and solves two difficulties of environment contamination and shortage of pig feeding resource in the conventional poultry cultivation. According to the method, under the compound action of secondary fermentation of microorganisms, and cellulase, the fermentation wine mashes are added during fermentation and the poultry excrement is converted to the pig compound feed with high protein content, bright color and nice flavor; the pig compound feed is better in deodorization effect, and high in nutritional value; through the adoption of the multi-strain anerobic fermentation, the biological activity of the pathogenic microorganisms is restrained and the pathogenic microorganisms can be effectively restrained and killed by lactic acid generated by lactic acid bacteria, antibiotic matters generated by actinomycetes and antioxidant matters generated by other beneficial microorganisms, so that the pig compound feed is harmless and the feed products meet the feed hygienic standard; in addition, the method is simple in process and is easy to realize large-scale industrialized production.

The invention relates to the field of traditional Chinese medicinal preparations, in particular to a traditional Chinese medicinal composition for treating rhinitis and / or nasosinusitis and a drug of the traditional Chinese medicinal composition. The traditional Chinese medicinal composition comprises Flos Magnoliae, honeysuckles, Angelica Dahurica, Centipeda Minima and borneol. According to the traditional Chinese medicinal composition, the Centipeda Minima and the borneol are used in a combined way, and scientific compatibility is achieved, so that pathogenic bacteria can be inhibited and killed effectively, and the antibacterial effect of the traditional Chinese medicinal composition is better than that of a single traditional Chinese medicinal preparation; the traditional Chinese medicinal ointment can regulate human immunity, improve internal environment of nasal cavities and paranasal sinuses and improve respiratory functions of the nasal cavities, and has remarkable curative effect on chronic rhinitis, nasosinusitis, atrophic rhinitis, allergic rhinitis, hypertrophy of nasal turbinates and the like, and the total effective rate for the rhinitis is 93.2%; the traditional Chinese medicinal ointment is convenient to use, simple to prepare and low in cost.

The covering process for domestic garbage landfill features cutting the covering film into certain length; spreading covering film from the separation ridge towards the center of garbage pile with the superposing part of 8 cm width in the seam being clamped with the upper and lower wood strips and fixed with iron nails; the film in the exposed bevel area are combined with the first film and spread in T-shape to the separating ridge; pressing the film seams and edges with woven bags with soil. The present invention has smart design, consumes no filling capacity, can kill fly egg to avoid fly propagation, exhaust rain water to avoid vertical permeation, control bad smell and use the material circularly.

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.

The present invention discloses a nanometer enzyme bleeding stopping agent with functions of bleeding stopping and sterilization, and applications thereof. According to the present invention, the nanometer enzyme particles can cause the aggregation of blood platelets and red blood cells in wound blood so as to produce a blood clotting effect while the catalyst modification on the surface of the nanometer enzyme can catalyze the components in blood to produce peroxides such as H2O2, such that the killing of pathogenic bacteria in the wound and the wound infection prevention can be achieved based on the principle; the large-batch and low-cost production of the double-function nanometer enzyme bleeding stopping agent can be achieved; and the nanometer enzyme bleeding stopping agent can be used as the novel antibacterial bleeding stopping agent, has great social and economic benefits, and further has good application prospect.

The present invention provides a composition for treating and / or preventing type I diabetes and an application thereof. The active ingredient of the composition is 1.) or 2.) or 3.), as follows: 1.) a mixture of a type I diabetes protein antigen and an immunosuppressor, 2.) a mixture of a type I diabetes protein antigenic epitope polypeptide and an immunosuppressor, 3.) a mixture of a type I diabetes protein antigen, a type I diabetes protein antigenic epitope polypeptide, and an immunosuppressor; the type I diabetes protein antigen is at least one of insulin, glutamic acid decarboxylase, and islet amyloid polypeptide, and the immunosuppressor is at least one of dexamethasone, cyclosporine A, tacrolimus, mycophenolate mofetil, azathioprine, prednisone, early prednisolone, anti-CD4 monoclonal antibody, and anti-CD3 monoclonal antibody.

The invention discloses a composition containing probiotics and a preparation method thereof. The composition containing the probiotics is prepared from, by weight, 4-10 parts of lactobacillus helveticus, 3-8 parts of bacillus coagulans, 0.5-1 part of lactococcus lactis, 0.5-1.5 parts of bifidobacterium animalis, 1-8 parts of saccharomyces boulardii, 3-25 parts of vitamin B yeast, 10-30 parts of theanine, 10-40 parts of fermented soybean meal and 2-5 parts of roselle. The composition containing the probiotics adopts raw food materials, comprehensively utilizes the probiotics of the lactobacillus helveticus, the bacillus coagulans, the lactococcus lactis, the bifidobacterium animalis and the like and the effect advantages and synergistic effect of the saccharomyces boulardii, the vitamin Byeast, the theanine, the fermented soybean meal and the roselle, and has the effects of soothing the nerves, resisting depression, significantly improving sleep quality, reducing pressure and fat, reducing the blood sugar level, promoting cardiovascular health, repairing gastric mucosa, and relieving gastric ulcer and stress enteritis.

A traditional Chinese medicine for treating a tumor comprises the raw material medicines in grams by weight portion as follows: 10 to 100 g of concentrated juice of prunella vulgaris, 20 to 50 g of sinomenium acutum root, 10 to 60 g of valeriana jatamansi jones, 50 to 200 g of spreading hedyotis herb, 20 to 60 g of vinegar-prepared carapax trionycis, 15 to 30 g of pleione bulbocodioides, 15 to 50g of white paeony root, 6 g of licorice, 10 to 50 g of vinegar-prepared toad skin, 10 to 60 g of wall gecko, 10 to 50 g of leech, 10 to 60 g of vinegar-prepared ground beeltle, 6 to 15 g of prepared centipede,0.3 to 0.6 g of prepared nux vomica, and 5 to 20 g of pseudo-ginsheng. The traditional Chinese medicine for treating a tumor can inhibit and kill tumor cells, relieves the pain of patients with tumors, and can prolong the life time of the patients effectively.

The invention provides a gamma-polyglutamic acid-Cu (II) preservative and application thereof to preservation of fruits and vegetables. The preservative is prepared from a gamma-polyglutamic acid solution and a copper salt water solution through reaction; gamma-polyglutamic acid is extracted from fermented bacillus licheniformis. The gamma-polyglutamic acid-Cu (II) preservative provided by the invention can be directly eaten; environment and toxin problems caused by inorganic copper are overcome through complexing of gamma-polyglutamic acid and copper; various pathogenic bacteria in the fruits and the vegetables can be inhibited and killed by the preservative and the preservation effect of the fruits and the vegetables is remarkably improved; the gamma-polyglutamic acid-Cu (II) preservative is convenient to use and simple to operate, and can be widely applied to the preservation of the fruits and the vegetables in fruit and vegetable production areas, fruit and vegetable markets, factories and enterprises, and general families.

The invention relates to a medical product, in particular to an externally-applied ointment for treating infantile eczema and a preparation method thereof. The externally-applied ointment comprises the following ingredients in parts by mass: 4-6 parts of humifuse euphorbia herb extract, 5-8 parts of puffball extract, 1-3 parts of squalane, 1 part of glyceryl stearate, 1 part of almond oil, 1 part of phenoxyethanol, 1 part of sodium hyaluronate, 1-3 parts of acrylic resin, 1-3 parts of tocopheryl acetate, 1 part of chlorhexidine gluconate, 25-40 parts of glycerin and 5-15 parts of distilled water. The externally-applied ointment has the functions of cleaning, disinfecting, resisting bacteria, sterilizing and nourishing the skin. Natural substance extracts are adopted, the active ingredients contained in the humifuse euphorbia herb and puffball can be used for effectively treating eczema, and in addition, the skin protection compounds are combined, so that the externally-applied ointment is suitable for cleaning, sterilizing and nursing skin of infants, can effectively restrain and kill skin deep harmful bacteria for infantile eczema and skin itching, and is mild and non-irritant.