110results about How to "Has antiviral effect" patented technology

The invention belongs to the field of aquaculture or feed, relates to a aquaculture feed, and especially relates to an alga immunopotentiation compound feed for litopenaeus vannamei. The invention at first provides an immunity strengthening agent for litopenaeus vannamei feed, and the agent is obtained through enzymatic hydrolysis and fermentation of an alga composite. The alga composite is composed of following components in parts by dried weight: 40 to 50 parts of asparagus, 15 to 25 parts of enteromorpha, 10 to 20 parts of ulva lactuca, 5 to 15 parts of laver and 5 to 15 parts of undaria pinnatifida. The invention further prepares a compound feed for litopenaeus vannamei by utilizing the immunity strengthening agent. The alga immunity strengthening agent contains algae polysaccharide, which has the effect of strengthening animal immunity, acrylic acid, terpenes, brominated phenolic and some sulfocompounds, which have the antiseptic effect, and sulphated polysaccharide, which has the antivirus effect. The litopenaeus vannameis fed on the alga immunopotentiation compound feed have a strong anti-stress performance, the body's immunity ability is improved, survival rate is high and culture benefit is remarkable.

The invention relates to a rice wine beverage for tonifying kidney and a preparation method thereof and relates to the rice wine beverage and the preparation method thereof. The rice wine beverage is prepared from the raw materials of glutinous rice, prepared rhizome of rehmannia, cinnamomvine, common macrocarpium fruit, Indian buead, medlar and manyflower solomonseal rhizome by material preparing, fermenting and other processing steps. The rice wine beverage not only can keep the flavor of rice wine unchanged but also has the effect of tonifying the kidney.

The invention discloses a small molecule peptide with antibacterial antiviral activity and an active modifier of the small molecule peptide. An amino acid sequence of the small molecule peptide is formed by 3-7 amino acids; a general formula of the amino acid sequence is X[0-3](R / K / O / D[ab])X[0-1]W[1-2](R / K / O / D[ab])[0-1]X[0-1], wherein X is one of the amino acids R, K, W and I; X[0-3] is any 0-3 of R, K, W and I; X[0-1] is any 0-1 of R, K, W and I; W[1-2] represents one or two Ws; (R / K / O / D[ab])[0-1] represents zero or one amino acid R or K or O or Dab; D[ab] is a 2,4-diamido-butyric acid. The experiment proves that the small molecule peptide or the active modifier thereof disclosed by the invention has good antibacterial antiviral effects, and has important application value in preparation of a drug, a sanitizer, a detergent, a corrosion remover or a packaging material for removing bacteria, fungi or viruses.

The invention belongs to the technical field of biomedicines, and in particular relates to application of seaweed polysaccharides. The seaweed polysaccharides can be taken as preparations for preparing anti-viral or immune medicines. Cell models and in-vivo animal experiments show that the seaweed polysaccharides can be used for significantly enhancing the animal immunity, and can also be used for promoting the generation of cell factors, the typing of T lymphocytes and the proliferation of mouse spleen cells so as to ensure that cellular immune reaction can be activated. The functional seaweed polysaccharides disclosed by the invention are natural polysaccharides which are extracted from seaweeds such as large seaweeds and kelps, gulfweeds, grateloupia sparsa, eucheuma muricatum, ulva pertusa kjellm, enteromorpha, gracilaria, ascophyllum nodosum and scytosiphon lomentaria, and can also be low-molecular-weight seaweed polysaccharides or seaweed oligosaccharides which are prepared by degrading the seaweed polysaccharides by virtue of different preparation methods. According to the application disclosed by the invention, a polysaccharide extract of single seaweed or a polysaccharide extract mixture of a variety of seaweeds can be taken as a novel anti-viral and immune enhancing agent to be applied to feeds of livestock, poultry, fish, shrimps and shellfish, and has wide application prospects.

The present invention discloses one kind of recombinant plasmid containing grass carp interferon gene with the nucleotide sequence as shown in SEQ ID No. 1. The present invention also discloses engineering bacterium INVSC1-pYES2-IFN as one kind of Saccharomyces cerevisiae in the preservation number of CGMCC1847. The engineering bacterium is used for aquatic animals to resist viruses. The present invention also discloses the application of protein coded by the recombinant plasmid containing grass carp interferon gene with the nucleotide sequence as shown in SEQ ID No. 1 for aquatic animals to resist viruses.

The invention discloses a Morchella cultivation material, which comprises the following components by weight: 25-35 parts of corn stalk, 25-35 parts of poplar sawdust, 20-30 parts of rape straws, 10-20 parts of peanut shell, 15-25 parts of sunflower seed meal, 8-15 parts of coconut shell, 3-6 parts of chestnut shell, 7-12 parts of Momordica grosvenori dregs, 5-8 parts of vinasse, 3-6 parts of Chinese Honeylocust Fruit shell, 4-7 parts of Gentiana apiata, 3-6 parts of dandelion and 2-5 parts of honeysuckle and the like. The method for cultivation comprises the following steps: (1) preparation of the Morchella cultivation material, (2) seed mixing, (3) seed sowing, (4) mycelial growth management and (5) fruitbody growth management. The waste raw materials are used, and scientifically and reasonably matched, nutrients are fully complementary, the Morchella cultivation material is environmentally-friendly and economic, herbal ingredients are added, the beneficial functions of Morchella are improved, the Morchella cultivation material has antibacterial and antiviral effect; the method for cultivation is simple and practical, low-cost and high-yield, and quality is good.

The embodiment of the invention discloses antiviral substitutional tea, which comprises honeysuckle flower and liquoric root in a weight ratio of 1-3:2-4. The embodiment of the invention also discloses a method for preparing the antiviral substitutional tea. The method comprises the following steps of: (1) weighing the honeysuckle flower and liquoric root respectively, selecting and cleaning the honeysuckle flower and liquoric root; (2) drying and sterilizing the treated honeysuckle flower and liquoric root at the temperature of 70 DEG C respectively for later use; and (3) uniformly mixing the prepared honeysuckle flower and liquoric root in the weight part ratio of 1-3:2-4 and packaging the mixture. The substitutional tea provided by the embodiment of the invention has an antiviral effect and has the characteristics of convenient use, small side effect, simple preparation process and the like compared with a traditional compound Chinese medicament.

This invention provides a pig feed used for growing and fattening periods, as well as processing method thereof, and relates to the technical filed of pig feeds. The pig feed used for the growing and fattening periods is mainly prepared from the following raw materials: corns, wheat bran, peanut meal, middlings, rice bran, hawthorn fruit wine, pomelo peel, citrus peel, and a functional composition; and the functional composition is a Chinese herbal medicine formula capable of improving immunity, stimulating appetite and promoting healthy growth of the pigs. The invention further provides a processing method of the pig feed. The processing method of the pig feed comprises the following steps: a, preparing a mixed refined feed; b, preparing fruit peel paste; and c, preparing the pig feed. No harmful substances are added into the feed from the formula to the production processes. The prepared feed is capable of providing adequate energy to the pigs in the fattening period; moreover, the feed is capable of promoting food intake of the pigs, enhancing immunity of the pigs, reducing disease rate, and preventing the pigs in the fattening period from blind weight gaining. Thus, the feed is capable of ensuring effective fattening of the pigs in healthy and safe environment, so that the pigs fed with the feed is green and safe in meat qualities and low in feed conversion rate. The processing cycles of the feed are green and environment-friendly, so that the concept of sustainable development is met. The pig feed and the processing method thereof are worthy of promotion.

The invention belongs to the field of cleaner preparation, and particularly relates to a pesticide residue remover for fruits and vegetables. The pesticide residue remover for fruits and vegetables is prepared from 10-15% of vegetable sponge superfine powder, 0.01-0.5% of tea saponin, 3-5% of Malabar spinach extract, 0.1-0.4% of cedrela sinensis juice, 5-8% of starch and the balance semen coicis water extract. The amphiprotic pesticide residue remover for fruits and vegetables is hydrophilic and lipophilic, the rubbing and adsorbing effects of the remover are enhanced with the assistance of vegetable sponge superfine powder and starch, and residues on the surfaces of fruits and vegetables can be easily removed; added tea saponin, Malabar spinach extract and cedrela sinensis juice have the effects of resisting bacteria, diminishing inflammation, killing insects and the like and are natural, free of pollution and harmless to the human body; the pesticide residue remover has good cleaning and sterilizing effects.

The invention aims to provide a feed additive rich in lysozyme. Each gram of feed additive comprises the following substances: 200,000IU of lysozyme, 5,500IU of cellulose CMC enzyme, 145,000IU of xylanase, 5,000IU of acid protease, 25,000IU of beta-glucanase, and 8,000IU of pectinase. The feed additive has the effects of killing bacteria, protecting environment, enhancing immunity of animals, reducing medicine residue, improving production performance and the like.

A Chinese medicine for treating cold is proportionally prepared from bupleurum root, scutellaria root, pueria root and liquorice root. Its preparing process and its quality control method are also disclosed.

The invention discloses a cinnamon oil containing fodder bactericidal additive which is prepared from the following raw materials in parts by weight: 5-8 parts of cinnamon oil, 5-8 parts of star anise oil, 2-5 parts of terpilenol, 2-5 parts of eucalyptus oil, 2-4 parts of allicin, 10-20 parts of hawthorn, 2-5 parts of sorbic acid and 7-10 parts of 75% ethyl alcohol in volume fraction. The cinnamon oil containing fodder bactericidal additive synthesizes the efficacities of multiple traditional Chinese medicines including cinnamon oil, star anise oil, terpilenol, eucalyptus oil, allicin, hawthorn and sorbic acid, has the functions of health care, sterilization, stomach invigoration and anti-virus, facilitates healthy growth of animals, prevents the animals from illness and increases the delicious degree of meat quality; most components of all additives are composed of plant substances, so that the cinnamon oil containing fodder bactericidal additive is pure natural, free of chemical additives, toxic or side effect, drug residue and drug resistance, is an environment-friendly fodder additive, and also has the advantages of simple, scientific and reasonable formula, the availability of raw materials, and high antiseptic property and practicality.

The invention provides a preparation method and applications of a lamivudine twin drug. Lamivudine, and ursolic acid or oleanolic acid are condensed into the lamivudine-ursolic acid or lamivudine-oleanolic acid twin drug at a low temperature by using ethyl chloroacetate (ethyl bromoacetate) or ethyl chloropropionate (ethyl bromopropionate) as the linking group. The twin drug possibly has a dual-action mechanism; and the twin drug has the action of antivirus, and also has the actions of resisting inflammations, protecting the liver cell membranes, improving the liver function and resisting fibrosis. Thus, the invention organically combines the antivirus therapy and the liver protection treatment and provides a new concept for the research and development of drugs for treating hepatitis.

The invention relates to a preparation method for bacteriostatic herba elsholtziae oil. The preparation method comprises the following steps: (1) water vapour distillation: weighing 1 kilogram of herba elsholtziae, smashing, pouring into a distilling flash, adding water of which the weight is 10 times the weight of herba elsholtziae, installing a volatile oil extractor, carrying out steam distillation for 6 hours, pouring water-containing volatile oil into a separating from the volatile oil extractor, separating out a part of water-containing volatile oil, freezing at 10 DEG C below zero overnight in a refrigerator, removing ice to get the light yellow volatile oil, wherein the yield is 1.8%; and (2) weighing 1 kilogram of herba elsholtziae, smashing, putting the smashed herba elsholtziae in a 5L supercritical extraction kettle, starting the extraction kettle and a separating kettle heating device, starting a compression pump when a set temperature is reached, keeping cyclically extracting for 3h under the condition that the pressure in the extraction kettle is 20.0 MPa, the temperature in the extraction kettle is 50 DEG C, the flow velocity of CO2 in the extraction kettle is 40kg / h, the pressure and temperature of the separation kettle is 10.0 MPa and 30 DEG C respectively, thus obtaining a yellow oily substance which has special fragrance, wherein the extraction yield is 3%.

The invention provides high polymer fabric made of a high polymer material. The fabric is prepared through following preparation processes: A, polyester fibers, bamboo fibers and cuprammonium fibers are subjected to melting granulation, then air-jet texturing filaments are spun and woven, and grey fabric is obtained; B, the grey fabric is put in a finishing liquid for dipping, dried and cooled, and finished fabric product is obtained, wherein the finishing liquidis prepared fromcomponents as follows: 12-20 g / L of titanium dioxide, 18-32 g / L of an acrylate binder, 1-3 g / L of glycerin, 3-4 g / L of a flame retardant, 1-2 g / L of alkyl polyoxyethylene ether succinatesulfonate, 1-2.5 g / L of tribenzylpolyoxyethylenephenol ether, 8-15 g / L of cetyl sodium sulfate and 1.5-3 g / L of an antibacterial agent,the natural antibacterial agent is a plant extract prepared from cudweed,floschrysanthemi, folium artemisiaeargyi, fructusforsythiae andherbahouttuyniae in a mass ratio being (1-2):(1-3):(1-3):(1-2):(1-1.5) through mixed extraction, and density of the plant extract is 1-1.5 g / ml. The pure-natural and non-toxic antibacterial extract is utilized to perform antibacterialtreatment on the fabric, so that the antibacterial effect is realized, the ecological problem in the prior art is solved very well, and energy-saving and environment-friendly effects are realized.

The present invention relates to an antiviral feed for calves. The antiviral feed is prepared from the following raw materials by weight in parts: 300 to 320 parts of soybean, 100 to 120 parts of beer vinasse, 3 to 4 parts of lactobacillus, 6 to 8 parts of sucrose, 80 to 100 parts of sweet corn straws, 80 to 90 parts of sweet potato vines, 70 to 80 parts of sugarcane leaves, 4 to 5 parts of coptis chinensis, 4 to 5 parts of cordate houttuynia and the like. According to the antiviral feed for calves, by adding fermented soybean and the beer vinasse, the antiviral feed has a more rich nutrition, is easier to eat; can provide plenty nutrition for the calves; by adding the coptis chinensis, the cordate houttuynia, bupleurum chinense and other extracts, the antiviral feed has a certain effects of antiviral and can help the calves healthy growing.

The invention provides a graphene composite antibacterial master batch as well as a preparation method and application thereof. The graphene composite antibacterial master batch is prepared from the following raw materials in specific parts: silver-plated graphene quantum dots, a polymer matrix, dopamine and polyvinylpyrrolidone. The silver-plated graphene quantum dots are added into the polymer matrix, so that the graphene composite antibacterial master batch has antibacterial and antiviral effects. Furthermore, dopamine and polyvinylpyrrolidone are jointly selected as dispersing agents and generate a synergistic effect, so that the dispersity of the silver-plated graphene quantum dots in the polymer matrix and the compatibility of the silver-plated graphene quantum dots and the polymer matrix are improved, and the antibacterial property, the antiviral property and the mechanical property of the graphene composite antibacterial master batch are further improved.

The invention discloses an antiviral coating and a preparation method thereof, and relates to the technical field of coating. The antiviral coating comprises the following components by weight: 10-30parts of a solvent, 0.5-1.5 parts of a copper-containing compound capable of generating cuprous ions, 25-35 parts of an EVA / vinyl acetate-acrylic water-based emulsion, 1.7-4 parts of an auxiliary agent, 17-25 parts of a pigment and 15-25 parts of filler; the copper-containing compound is treated with an acidic solution prior to addition. According to the present invention, the coating has antiviral effect, improves the antiviral effect, reduces the cuprous ion oxidation probability, and reduces or even is free of precipitation, color change, failure and other problems, therefore, the coating easily forms a stable system, and the lasting effectiveness of the antiviral effect is improved; besides, the coating can kill viruses adsorbed on the wall surface, reduces the propagation risk, and isalso suitable for various application places; the preparation method is simple, no excessive pollutant is generated in the whole process, and the operation safety can be improved.

The invention relates to a traditional Chinese medicine composition for preventing and treating cow mastitis. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 10-15 parts of chrysanthemum, 2-4 parts of red flower, 3-5 parts of folium isatidis, 3-7 parts of moutan bark, 1-3 parts of Cacumen biotae, 3-5 parts of mint, 3-5 parts of folium artemisiae argyi, 5-8 parts of chitosan and 2-3 parts of fresh carrot. By utilizing the traditional Chinese medicine composition provided by the invention, the occurrence of cow mastitis is effectively prevented, the health situation of cows is improved, the influence of diseases such as mastitis to milk output and milk quality is avoided, and the composition has certain curative effect on the mastitis, and in particular recessive mastitis. By utilizing the traditional Chinese medicine composition, the economic benefits in cow breeding are greatly increased, and the unbeneficial influence of antibiotic use to the milk quality and the cow health is avoided.

The invention discloses a fast and efficient garlic clove separating device. The fast and efficient garlic clove separating device comprises a cone hopper; a garlic clove collecting box is arranged under the cone hopper; a vibration screener is arranged above the cone hopper; a garlic clove separating mechanism is installed above the vibration screener; a material inlet is arranged above the garlic clove separating mechanism; a separator is connected to one side of the cone hopper through a pipeline; a garlic recycling box is arranged at the other side of the cone hopper; an exhaust pipe is connected to an upper end of the separator; a connecting exhaust fan is arranged above the exhaust pipe; and a vibration discharger is arranged at a lower end of the separator. By arranging the vibration screener, the separated garlic cloves are screened; and then, garlic with unqualified clove separation enters into the garlic recycling box so as to be subjected to separation again, and garlic withqualified clove separation enters into the garlic clove collecting box so as to be subjected to collection. Moreover, the arranged separator is capable of separating air enters into the pipeline fromgarlic peel and dust so as to have the garlic peel and the dust discharged by the vibration discharger; and the separated air is exhausted through the exhaust pipe under the action of the exhaust fan.

The invention relates to an antibacterial tempered glass film and a preparation method thereof. The preparation method comprises the following steps: cutting glass; then CNC fine carving is conducted,and a first semi-finished product is obtained; carrying out polishing treatment and cleaning to obtain a second semi-finished product with a radian at the edge; toughening treatment is carried out, and a third semi-finished product is obtained after cleaning; carrying out screen printing treatment to obtain a fourth semi-finished product; then antibacterial oil coating treatment is conducted, specifically, an inorganic antibacterial agent solution is sprayed and dried firstly, then anti-fingerprint oil is sprayed, an organic-inorganic composite antibacterial agent is added into the anti-fingerprint oil, and a fifth semi-finished product is obtained after baking and cleaning are conducted; and finally, carrying out rubberizing, defoaming, sheet inspection and packaging to obtain an antibacterial tempered glass film product. The antibacterial tempered glass film prepared by the process disclosed by the invention has broad-spectrum antibacterial and antiviral effects and long-acting antibacterial property.

The invention discloses a production method of yogurt containing rich CGFs (chlorella growth factors). Chlorella is subjected to wall breaking treatment with a freeze thawing wall breaking method, and powder is prepared; then, fresh milk, tea polyphenols, the chlorella, chitosan oligosaccharide and yogurt bacterium powder are uniformly mixed in parts by weight and fermented at 38-45 DEG C for 8-10 h, and a yogurt product containing rich CGFs can be obtained. The CGFs can be absorbed by the human body and can also promote lactobacillus reproduction to make the content of lactobacillus in per unit of yogurt higher. The yogurt has more comprehensive nutrition and the fishy smell of the chlorella can be covered due to addition of the tea polyphenols and the chitosan, the tea polyphenols serve as an antioxidant and perform well in antibacterial and cancer prevention fields, and taste tests and experiments of effects on growth of macrophages Ana-1 and RAW264.7 come to conclusions as follows: the product obtained through fermentation at 40 DEG C for 8 h has the best taste and the activity of the CGFs is higher.

The invention discloses a gosling compound feed and a preparation method thereof. The gosling compound feed comprises the following raw materials in parts by weight: 10-20 parts of mulberry leaf powder, 15-20 parts of kudzuvine root vine powder, 15-20 parts of corn flour, 10-15 parts of peanut vine powder, 10-15 parts of peanut bran, 3-5 parts of fish meal, 5-10 parts of calcium amino acid and 2-3 parts of swamp mahogany leaf. A method for using the gosling compound feed comprises the following steps: adding the finished feed to proper amount of green grass and uniformly stirring for feeding. The gosling compound feed does not contain antibiotics and artificially synthesized growth hormone and is capable of preventing the gosling from being infected with diseases, guaranteeing growth of the gosling at reasonable speed, improving the resistance and immunity of the gosling and providing a solid foundation for the healthy growth of the gosling; meanwhile, the problem of drug residual is avoided.

The invention discloses a dampness-eliminating traditional Chinese medicine composition for treating cold and cough and a preparing method thereof, and relates to the technical field of traditional Chinese medicines. The traditional Chinese medicine composition comprises, by weight, 5-12 parts of herba elsholtziae, 7-15 parts of herba schizonepetae, 15-25 parts of Chinese wax gourd peel, 7-15 parts of dried tangerine peel, 5-12 parts of blackberrykiky rhizome, 10-18 parts of bulbus fritillariae cirrhosae, 5-12 parts of platycodon grandiflorum, 10-18 parts of folium eriobotryae, 10-18 parts of folium mori, 10-18 parts of saxifraga stolonifera, 5-12 parts of cortex magnoliae officinalis and 5-12 parts of licorice root. The various natural traditional Chinese medicine raw materials are preferentially selected for use in cooperation to have the functions of dispelling wind and heat, dispelling wind and relieving exterior syndromes, eliminating dampness and eliminating phlegm, removing heat from the lung to relieve cough, eliminating phlegm and relieving asthma, and clearing heat and relieving sore throat; the traditional Chinese medicine composition can be used for treating the influenza fever, headache and cough, muscular stiffness, throat dryness and pains and other symptoms, is suitable for the cold incubation period or disease onset period, can effectively prevent the cough, throat swelling and pains and other symptoms caused by cold in the later period, and is precise in treatment effect, safe and free of side effects.

The invention discloses a wormwood blended yarn with antibacterial and antiviral functions. The wormwood blended yarn with the antibacterial and antiviral functions comprises a plurality of cashmere weaving velvets transversely inserted, wherein the surfaces of the cashmere weaving velvets are connected by a plurality of wormwood plant fibers in a wrapping manner; the cashmere weaving velvets areconnected into a strand in a wrapping manner through coated viscose fibers; the surfaces of the wormwood plant fibers are spirally connected with polyester silks in a wrapping manner; the bottoms of the polyester silks are connected with a silk fiber net in a coating manner; and one sides of the polyester silks are connected with flax cellosilk in a wrapping manner. According to the wormwood blended yarn with the antibacterial and antiviral functions, the natural wormwood plant antibacterial fibers are antibacterial fibers with pure natural wormwood components, and are prepared by effectivelyextracting wormwood antibacterial components by adopting a high technology, adding the wormwood antibacterial components into the fibers through pre-spinning injection, and combining cellulose molecules with natural wormwood factors. The modern experimental research proves that the wormwood has antibacterial and antiviral effects, so that the wormwood blended yarn has antibacterial naturalness ofwormwood plants.

The invention relates to the field of articles for women and in particular relates to an antibacterial and antiviral sanitary pad. Interferon-alpha is grafted on the surface of the sanitary pad. The sanitary pad with the grafted interferon-alpha has the characteristics of resisting bacteria and viruses and being high in biological safety, and the incidence rate of gynecological diseases caused by incorrect use of sanitary pads can be effectively reduced.

The invention relates to a traditional Chinese medicine compound preparation, and discloses an immunity-enhancing capsule. The capsule is prepared from the following components in parts by weight: 230-260 parts of grape skin extract, 15-30 parts of vitamin C, 50-70 parts of magnesium stearate and 50-70 parts of mannitol. The immunity enhancing capsule has the advantages of good immunity regulating effect, no toxic or side effect and high safety. Resveratrol which is contained in grape skin and is richer than that in grape pulp and grape seeds is a polyhydroxyphenol compound, is capable of preventing cardiovascular and cerebrovascular diseases, and has an extremely strong cancer resistance. The invention further discloses a method for preparing the immunity-enhancing capsule. The preparation method is easy to operate, is environmentally friendly, economic, effective and non-toxic, and has a wide application prospect.

The invention discloses a traditional Chinese medicine combination for treating avian respiratory tract infection. The traditional Chinese medicine combination is prepared by adding 0.1-1g of physalis peruviana extract, 0.1-1g of giant knotweed extract, 0.1-2g of indigowoad leaf extract, 0.1-2g of hypericum perforatum extract, 0.1-2g of tanshinol extract, 0.25-2.5g of salicylic acid, 0.25-2.5g of sodium carboxymethylcellulose, 0.5-5ml of propylene glycol and 0.5-5ml of Tween-80 into each 100ml of deionized water. The invention further provides a preparation method and application of the traditional Chinese medicine combination. The traditional Chinese medicine combination, the preparation method and the application have the advantages that the traditional Chinese medicine combination is a novel preparation prepared with antibacterial medicine, antimycoplasma medicine and antiviral medicine through scientific blending and scientific composing according to disease infection laws; the traditional Chinese medicine combination is reasonable in composition, is safe and effective, and is low in production cost; the raw materials of the traditional Chinese medicine combination are easy to obtain; and the preparation method is simple and easy to operate.

The present invention provides the oleanolate of phosphono methoxy nucleotide analogue composition and its preparation process. The composition is used in preventing and treating viral diseases and hepatitis. The composition has the functions of both resisting virus and protecting liver and has high smelting point, low hygroscopicity, high stability and high yield in synthesis process, and may be prepared in large scale.

The invention discloses a quinic acid derivative and a preparation method and application thereof. The quinic acid derivative has a structure represented by a formula I, wherein R1, R2 and R3 are OH or AcNH; R1 = OH, R2 = R3 = AcNH, or R2 = OH, R1 = R3 = AcNH, or R3 = OH, R1 = R2 = AcNH; * represents an R configuration or an S configuration; and Ac represents caffeoyl CAc or a derivative caffesulfonyl SAc, and coffee(mono-methyl ester)phosphonyl PAc. The quinic acid derivative has the advantages of mild preparation conditions, simple and safe operation, high product purity and relatively hightotal yield, and the obtained quinic acid derivative can be used for preparing medicaments for treating viral infections, especially for preparing medicaments for treating influenza virus, parainfluenza virus and respiratory syncytial virus infections.