48results about How to "Significant antibacterial" patented technology

The invention belongs to the field of environment protection and discloses a new bacillus subtilis and the application thereof in biological deodorant. The bacillus subtilis HF-A1 related in the invention is preserved in Common Microorganism Center, China Committee of Culture Collection for Microorganisms on August 19th, 2009, with a preservation number of CGMCC No. 3230. A strain of the bacillussubtilis is obtained by selecting samples collected from a plurality of ecological environments. The strain has an obvious deodorizing and bacteriostatic effect in various stinky environments; averageNH3 removal rate can be as high as 95.5 percent; average H2S removal rate can be as high as 93.8 percent; average total hydrocarbon removal rate can be as high as 94.3 percent; average total bacteriaremoval rate can be as high as 87.9 percent; average odor concentration removal rate can be as high as 96.8 percent; and the new bacillus subtilis can be used for deodorizing and purifying garbage, domestic sewage, animal house air and the like.

The invention relates to a preparation method of a natural composite fruit and vegetable cleaning agent, and belongs to the technical field of fruit and vegetable cleaning agents. The method comprises the following steps: firstly, washing and boiling out the rice, wherein the alkaline substances in the rice washing water are allowed to react with harmful substances in the pesticide, so that the pesticide loses toxicity, the starch and the polysaccharide in the rice pulp can effectively dissolve oil stains and impurities on the surface of the fruits and vegetables; extracting tea tree oil from tea tree branches, wherein the fat-soluble small molecules in the tea tree oil are utilized to permeate into the surface layer of the fruits and vegetables, so as to dissolve the pesticide on the surface layer and the surface; subjecting shell to alkali activation and high-temperature firing, wherein the shell powder has strong adsorption and alkaline sterilization action and can decompose residual pesticide, fruit wax and impurities on the surface of the fruits and vegetables. The fruit and vegetable cleaning agent disclosed by the invention solves the problem that the existing fruit and vegetable cleaning agent cannot effectively clean residual impurities, oil stain and pesticide on fruits and vegetables and is easy to remain after the fruits and vegetables are cleaned and secondary pollution is caused; and the removal rate of the fruit and vegetable cleaning agent can reach 98.6%-99.3%, the original flavor of the fruits is not changed, and the fresh-keeping period can be prolonged by 10-15 days.

The present invention relates to a nostoc sphaeroids kutz sweetmeat and a production method thereof, wherein the nostoc sphaeroids kutz sweetmeat is prepared from the following raw materials by weight: 50-70 parts of fresh nostoc sphaeroids kutz, 25-45 parts of dendrobium candidum, 5-10 parts of nostoc sphaeroids kutz polysaccharide dry powder, 10-20 parts of fruit juice powder, and 10-25 parts of white sugar or rock candy. The production method comprises: decocting dendrobium candidum and nostoc sphaeroids kutz polysaccharide dry powder to obtain an extraction liquid; adding fruit juice powder and white sugar or rock candy to the extraction liquid according to a certain ratio, uniformly mixing, adding fresh nostoc sphaeroids kutz being subjected color protection hardening, and impregnating; and drying at a temperature 35-40 DEG after completing the impregnating so as to obtain the product. According to the present invention, the nostoc sphaeroids kutz sweetmeat has advantages of complete nutrition and excellent taste, and has health functions of invigoration, health enhancing, aging resistance, oxidation resistance, antitumor, and the like; and the production method is simple and easy to perform, and the activities of the phycobiliprotein and the polysaccharide of the nostoc sphaeroids kutz cannot be damaged to the greatest extent.

The invention belongs to the technical field of drugs and relates to an oral ulcer treatment patch film and a preparation method thereof. The oral ulcer treatment patch film mainly comprises oleanolic acid, polysaccharide sulfate, vitamin B6, chitosan, a film forming agent, glucoside, tributyl citrate and distilled water. The oral ulcer treatment patch film has a reasonable and scientific formula. Components of the oral ulcer treatment patch film interact with each other and have effects of inhibiting bacteria, diminishing inflammation and easing pain so that the oral ulcer treatment patch film can effectively relieve oral ulcer and shorten cure time. The oral ulcer treatment patch film has the advantages of good adhesion, fast dissolving speed and good uncovered film integrity, guarantees drug effects and is an ideal oral ulcer patch film.

An antibacterial film is prepared from polyacrylic resin, assistant and antibacterial mother particles through bidirectional drawing. Its advantages are high and durable bacteria killing and suppressing effect and antimildew effect, high strength, uniformity, transparency, and thermal stability, and high safety.

An anti-inflammatory, antalgic and anticancer capsule is prepared from muskone and 9 Chinese-medicinal materials including wild aconite root, myrrh, earthworm, Chinese angelica root, etc through granulating, and ordinary-temp drying.

The invention discloses toothpaste containing a fructus viticis composition, which comprises a basic material composition and a functional composition, wherein the basic material composition comprises humectants, abrasive, foaming agent, essence, thickening agent, sweetening agent and water, the functional composition is chaste tree extracts, and the percentage by weight of the functional composition is 0.01%-5%. The toothpaste containing the fructus viticis composition uses fructus viticis extracts as a functional component to add into toothpaste for the first time, clearly determines effective radio of the fructus viticis extracts and other base components in the toothpaste, and supplies effective adding range simultaneously. The toothpaste containing a fructus viticis composition has the obvious effects of antibiosis, antiphlogosis and pain stopping, and can thoroughly relieve the oral problems of red and swollen gums, pain and bleeding and the like.

The invention relates to an antibacterial natural plant essential oil foot washing liquid capable of relieving fatigue, which comprises the following main active components in parts by mass: 0.05-0.5 part of cedarwood essential oil, 0.05-0.5 part of ginger essential oil, 0.05-0.5 part of lemon essential oil, 0.05-0.5 part of cypress essential oil, 0.05-0.5 part of lavender essential oil, 0.05-0.5 part of tea tree essential oil, 0.5-10 parts of grape seed oil, 0.5-10 parts of almond oil, 1-10 parts of lauryl sodium sulfate, 1-5 parts of cocamidopropyl betaine, 5-12 parts of fatty alcohol-polyoxyethylene (9) ether, 4-10 pars of ethyl salicylate and 0.1-2 parts of citric acid. The natural plant essential oil foot washing liquid provided by the invention is capable of effectively relieving fatigue, cleaning the foot skin, inhibiting regeneration of skin epidermis bacteria and fungi as well as removing peculiar smell of feet, has the effect of nourishing and moistening the skin, is convenient to use, and is fragrant.

The invention relates to a preparation method and application of a total extractive of artemisia rupestris L. The method comprises the following steps of: crushing a dry artemisia rupestris L. medicinal material, extracting by using ethanol as an organic solvent, carrying out resin separation and purification to obtain the total extractive of the artemisia rupestris L., wherein the total extractive of the artemisia rupestris L. mainly contains sesquiterpenoids and flavonoid constitutes, a sesquiterpenoid and the flavonoid constitute compound is in the mass percentage of 25-90%, a sesquiterpenoid compound is in the mass percentage of 5-25%, a flavonoid constitute compound is in the mass percentage of 20-65%, and rupestonic acid of the sesquiterpenoid compound is in the mass percentage of 3-15%. Proved by a primary activity screening test, the total extractive of the artemisia rupestris L., obtained by using the method provided by the invention, has remarkable in vitro and vivo influenza virus resistance, bacteriostasis and sterilization effects and can also be used for effectively preventing influenza viruses. The method disclosed by the invention is simple in process, free of high-temperature and high-pressure equipment, low in production cost, stable in quality of effective components and easy to control.

The invention discloses a paeonia ostii seed natural activity skin cream which comprises the following component substances: paeonia ostii seed oil, paeonia ostii seed general flavone extract, an emulsifier and a solvent, wherein the melting point of the emulsifier is 30-65 DEG C, and the emulsifier is solid at normal temperature; the solvent is a mixture of glycerol and propylene glycol. The invention also discloses a method for preparing the paeonia ostii seed natural activity skin cream. The method comprises the following steps of: fully mixing the emulsifier and the paeonia ostii seed oil at the temperature of 65+ / -5 DEG C, reducing the temperature, adding the solvent and the paeonia ostii seed general flavone extract, mixing and continuously reducing the temperature to be 0+ / -10 DEG C, performing microwave emulsification on the mixture, and obtaining the product. The paeonia ostii seed natural activity skin cream has the sunscreen, skin care, skin whitening, health care and inflammation diminishing effects; the method for preparing the paeonia ostii seed natural activity skin cream is simple, low in emulsification cost and easy for industrial production.

The invention discloses a mild skin brightening body lotion, which comprises bacopa monniera extract, eugenol, hibiscus flower extract, jojoba seed oil, squalane, propylene glycol, glycerin, glyceryl stearate, stearyl alcohol Polyether‑21, hydrogenated olive oil and other ingredients. The mild plant active ingredients are non-irritating to the skin, and endow the product with significant anti-oxidation and antibacterial effects; the body milk of the present invention can replenish moisture to the skin, balance the skin tone, and brighten the skin color, making the skin fairer and more elastic; It can inhibit inflammatory factors and has a certain healing effect on inflamed skin.

The invention relates to an antibiotic cigarette packaging film which comprises: profax and nanometer silver which dissolves in the profax. Each component of the antibiotic cigarette packaging film is as following (by weight rate): 59-79úÑ polypropylene, 10-20úÑ antibiotic mother particle, 2.5úÑ releasing agent, 2.5úÑ antistatic agent, 5-15úÑ lubricating agent, 0.5úÑ reducing agent and 0.5úÑ stabilizing agent. It also relates to a method for preparing the antibiotic cigarette packaging film which has the following steps: mixing the silver nitrate solution and the reducing agent, the scattering agent, the color killing agent and the stabilizing agent, adding low molecule polypropylene to form polypropylene coated nanometer silver, mixing granulating the polypropylene coated nanometer silver and the profax raw material to form nanometer silver antibiotic mother particle or using the polypropylene which coats nanometer silver as acrylic polymer seed to obtain profax with nanometer silver as nanometer silver antibiotic mother particle, adding the nanometer silver antibiotic mother particle into the profax to form the antibiotic cigarette packaging film by biaxial tension.

The invention discloses a fall resistant and antibacterial PP plastic meal box and a preparation method thereof. The meal box comprises the following raw materials, by weight: 100 parts of PP resin, 50-100 parts of bagasse, 5-10 parts of chitosan, 5-15 parts of shell powder, 10-20 parts of nanometer calcium carbonate, 3-6 parts of a sepiolite fiber, 1-2 parts of phytic acid, 1-3 parts of a modifier, 0.5-2 parts of a coupling agent, 1-2 parts of a plasticizer, 0.5-1.5 parts of an antioxidant, 0.5-2 parts of a composite antibacterial agent, 1-3 parts of cocoamidopropyl betaine, and 3-5 parts ofcarboxymethyl cellulose. The modifier consists of octa(aminophenyl)silsesquioxane and polyethylene glycol stearate in a ratio of 1:1-3. The preparation method adopts the unique raw material formula and coordination effect of the components, the compatibility is good, and the prepared PP plastic meal box has the advantages of high strength, strong impact resistance, fall resistance, wear resistance, weather resistance, high temperature resistance, aging resistance, deformation resistance, good stability, good antibacterial effect and the like, is good in processing performance, simple in process and low in cost, and has good market prospects.

The invention belongs to the technical field of water-based wood coatings. The invention relates to a wood coating, in particular to an environment-friendly antibacterial waterborne wood coating and apreparation method thereof. The composition comprises the following materials in parts by weight: 60 to 80 parts of a waterborne polyurethane dispersion emulsion, 2 to 10 parts of a surface additive,and 1 to 15 parts of a film forming aid, 2 to 5 parts of a biquaternary ammonium salt bactericide, 0.1 to 1 part of a nano-silver bactericide, 0.1 to 1 part of a nano-zinc antibacterial agent, 1 to5 parts of a biguanide antibacterial agent, 1 to 5 parts of a chitosan antibacterial agent, 3 to 5 parts of an organosilicon waterproofing agent, 10 to 40 parts of distilled water, 0.1 to 2 parts of an anti-settling agent and 0.1 to 1 part of a thickener. The antibacterial waterborne polyurethane coating has remarkable antibacterial and bactericidal effects, and is enhanced in the aspects of bactericides and waterborne polyurethane dispersoid emulsion, so that the antibacterial function of the coating is increased on the basis of the original waterborne coating performance, and the multifunctional balance of antibacterial, environment-friendly, stable, long-acting and coating performance can be achieved.

The invention provides a method for preparing a multilayer heparin-loaded reduced graphene oxide coating, comprising the following steps: S1, preparing a polylysine coating on the surface of a biological material; S2, preparing a heparin-loaded reduced graphene oxide solution ; S3, preparing a single-layer heparin-loaded reduced graphene oxide coating; S4, alternately immersing the biological material prepared in step S3 into a polylysine solution and a heparin-loaded reduced graphene oxide solution, and sequentially adsorbing respectively to obtain Multilayer heparin-loaded reduced graphene oxide coating. The beneficial effect of the invention is that the anticoagulant performance of the surface of the material can be significantly improved.

The invention discloses catechinic acid mouth wash and a preparation method thereof. The catechinic acid mouth wash is prepared from catechinic acid, calendula officinalis, roselle, chrysanthemum buds, mint, ethyl alcohol, amino acid, a surfactant, sodium fluoride, a preservative and water. The preparation method comprises the following steps: brewing the calendula officinalis, the roselle, the chrysanthemum buds and the mint with water according to the ratios under the water temperature of 80-90 DEG C for 3 to 5 min, extracting soup, cooling the soup, so as to obtain tea soup; mixing the tea soup, adding the catechinic acid, the ethyl alcohol, the amino acid, the surfactant, the sodium fluoride and the preservative according to the ratios, adding water to 100 percent, and uniformly mixing the materials. According to the catechinic acid mouth wash and the preparation method thereof, the catechinic acid, the calendula officinalis, the roselle, the chrysanthemum buds, the mint, the ethyl alcohol and the amino acid are organically combined, and the optimal use amounts of all components are determined, so that an effect of refreshing the oral cavity is achieved, and ozostomia can be eliminated fundamentally to protect the oral cavity; meanwhile, the catechinic acid mouth wash has natural components, does not contain essence and does not have side effects on a human body.

The invention discloses a cosmetic, and particularly relates to a cosmetic containing spirulina. The cosmetic is characterized by being prepared from mixed liquids such as conventional cosmetics components, a spirulina extract liquid and a natural plant extract liquid (ginseng, astragalus membranaceus, panax notoginseng, salviae miltiorrhizae and liquorice). The spirulina product disclosed by the invention is prepared by adding the conventional cosmetic components and the natural plant extract liquid to the spirulina extract liquid prepared by a high-tech biological extraction technology as a main active component. The cosmetic is capable of neutralizing acid substances of skin, promoting metabolism, capturing free radicals, and preventing reaction of skin peroxidatic reaction, and also has an anti-oxidation effect, so as to delay wrinkles and skin aging. In addition, the spirulina is a purely natural substance, so that the prepared cosmetic is safe and free of a side effect.

The invention discloses probiotics-added oral bacteria-resisting toothpaste and a preparation method thereof, and belongs to the technical field of toothpaste manufacturing. The probiotic-added oral bacteria-resisting toothpaste comprises the following raw materials: 45-55 parts of toothpaste base material, 10-20 parts of Chinese mugwort, 10-20 parts of dendrobium officinale, 10-20 parts of bletilla striata, 10-20 parts of liquorice, 10-20 parts of exocarpium citri grandis and 1-2 parts of probiotic freeze-dried powder; and the preparation method of the above-mentioned traditional Chinese medicine toothpaste comprises picking and cleaning folium Artemisiae Argyi, herba Dendrobii, rhizoma Bletillae, Glycyrrhrizae radix and exocarpium Citri Grandis, drying at low temperature, pulverizing, adding pure water and probiotic lyophilized powder for dissolving, adding toothpaste base material, heating and stirring, vacuum degassing, and grinding to obtain the probiotics-added oral bacteria-resisting toothpaste. The traditional Chinese medicine toothpaste prepared by the invention is added with probiotics and various natural plant components on the premise of meeting the national GB8372 standard, can effectively prevent and improve oral inflammation and oral hygiene, kills harmful bacteria in oral cavity, and has the effect of preventing oral diseases.

The invention discloses a polyvinyl chloride wood-plastic flame retardance composite plate and a preparation method. The polyvinyl chloride wood-plastic flame retardance composite plate is prepared from the following raw materials in parts by weight: 100 parts of PVC (polyvinyl chloride) resin, 80 to 120 parts of bamboo powder, 5 to 15 parts of shell powder, 20 to 30 parts of nano calcium carbonate, 5 to 10 parts of aramid fiber, 3 to 6 parts of sepiolite fiber, 1 to 3 parts of a foaming agent, 0.5 to 2 parts of a plasticizer, 1 to 3 parts of a coupling agent, 0.5 to 2 parts of a composite antibacterial agent, 0.5 to 2 parts of a flame retardant, 1 to 3 parts of a stabilizer, 0.5 to 1.5 parts of methyl allyl polyoxyethylene ether, 0.5 to 1.5 parts of octaphenyl caged sesquiloxane, 1 to 3 parts of phytic acid and 0.5 to 1.5 parts of nonylphenol polyoxyethylene ether. The polyvinyl chloride wood-plastic flame retardance composite plate prepared by the preparation method has the advantages of high intensity, high impact property, wear resistance, weather resistance, heat resistance, difficulty in deformation, high stability, high flame retardance, good antibacterial effect and the like, and is good in processability; the process is simple, low in cost and high in production efficiency.

The invention discloses an anti-aging antibacterial PE (Poly Ethylene) film and a preparation method thereof. The film contains the following raw components in parts by weight: 100 parts of PE resin,15-30 parts of polyvinyl alcohol, 3-5 parts of shell powder, 5-10 parts of nano calcium carbonate, 1-3 parts of silicon nitride fiber, 0.5-1.5 parts of phytic acid, 1-2 parts of octaphenyl cage-type silsesquioxane, 0.5-1.5 parts of polyaminopropyl methyl silsesquioxane, 1-5 parts of carboxymethyl cellulose, 2-4 parts of processing aid, 0.5-1.5 parts of composite antibacterial agent and 0.5-2 partsof antioxidant. The compatibility of the components is good due to the coordination effect of the components; and the prepared PE film has the advantages of high strength, heat resistance, high temperature resistance, good stability, aging resistance, strong antibacterial effect, aging resistance and the like.

The invention discloses an antibacterial and waterproof coating applied to the outer wall of a bath room and a preparation method of the coating. The antibacterial and waterproof coating contains a component A and a component B, wherein the component A is prepared by the steps of washing shells, grinding, calcining to obtain shell powder, mixing the shell powder with Zn(NO3)2.6H2O, Na2CO3 and NaOH, carrying out suction filtration, washing and drying, and calcining; and the component B is prepared by the steps of heating polypropylene carbonate polyol, N,N-dimethylformamide and hexamethylene diisocyanate, stirring for reaction so as to obtain a prepolymer, adding 1,4-butanediol and stannous octoate into the prepolymer, adding deionized water, uniformly stirring and mixing. The antibacterialand waterproof coating has the characteristics that a manufacturing process is detailed and easy to implement, and the coating has a durable effect and a good antibacterial property and is capable ofresisting water logging.

The invention belongs to the technical field of pesticides and specifically relates to a biological bactericide for controlling rice blast and a preparation method thereof. The biological bactericide for controlling rice blast is prepared from the following raw materials (by weight): 6-12 parts of poke root, 3-6 parts of Macleaya cordata root, 7-13 parts of radix Coix lacrymajobi, 8-15 parts of falsehellebore root and rhizome, 7-13 parts of Scutellaria baicalensis, 10-20 parts of fructus forsythia, 10-15 parts of isatis root, 8-12 parts of purslane, 0-20 parts of an organic solvent, 5-10 parts of a surfactant, 0-8 parts of a thickening agent and 80-120 parts of water. The biological bactericide has remarkable sterilizing effect, has no residue, is easy to degrade, will not generate drug resistance, has long persistent period, is safe to human and livestock, and can be promoted and applied.

The invention provides a preparation method of a degradable nano bacteriostatic thin film. The preparation method comprises the following steps: preparing nano Si-TiO2; adding the nano Si-TiO2 and a dispersant into a degradable polymer water solution; uniformly mixing and degassing to obtain a film forming solution; carrying out film casting on the film forming solution to obtain the degradable nano bacteriostatic thin film. A preparation method of the nano Si-TiO2 comprises the following steps: dispersing nano TiO2 and a silane coupling agent into acetone; coupling under an ultrasonic condition; filtering, washing with water, drying in vacuum and grinding to prepare the nano Si-TiO2. Compared with the prior art, the preparation method of the degradable nano bacteriostatic thin film has the following beneficial effects that process steps are simple and the bacteriostatic (escherichia coli and staphylococcus aureus) effect of a packaging material is remarkable; the packaging material provided by the invention has the advantages of strong mechanical properties, small permeability and the like; the preparation method has the advantages of safe process operation, high efficiency and no toxin, greenness and environmental friendliness, easiness for popularization and the like.

The invention discloses a milk replacer capable of increasing the survival rate of piglets and a feeding method of the milk replacer. The milk replacer comprises a dairy product compound bag, a high-digestion protein compound bag, compound puffed rice flour, coconut oil, soybean oil, a coated essential oil acidifier, compound probiotics, a compound enzyme preparation, an emulsifier, a flavoring agent, compound vitamins, compound organic trace elements, calcium formate, monocalcium phosphate and compound amino acids. The milk replacer can completely replace sows, and can be used after delivery.The dairy product compound bag is selected according to physiological characteristics of piglets before and after weaning, so that reasonable nutrition supply of milk protein, milk fat and lactose isguaranteed. The milk replacer is infinitely close to breast milk from palatability to nutrition, is rich in lactoferrin and immunoglobulin, can replace breast milk, makes up the problems of poor colostrum quality of primiparous sows and sows with high gestational age, and can solve the problem that no milk of sows exists for eliminated piglets under the condition of severe African swine fever epidemic situation, so that the survival rate of piglets is ensured.

The invention mainly relates to a ganoderma anticancer tea and a preparation method thereof. The ganoderma anticancer tea is prepared from the following components in percentage by weight: 30-70% of a traditional Chinese medicine extractive, 1-8% of ganoderma, 1-8% of capillary wormwood herb, 2-10% of American ginseng, 2-10% of chrysanthemum, 2-10% of spina date seeds, 2-10% of dried orange peels and 5-15% of green tea, wherein the traditional Chinese medicine extractive is prepared by using edible alcohol with the mass concentration of 80-90% to extract and concentrate water caltrop shells, atractylodes macrocephala, red root arisaema, salvia miltiorrhiza, pine needles, pericarpium citri reticulatae viriole, coix seeds, red jujubes and liquorice. According to the invention, the traditional Chinese medicine extractive is combined with tea, so that the tea has the functions of removing foul smell, cleaning toxin and fire, warming middle and tonifying deficiency, activating blood circulation and supplying Qi, improving vigor, building a body, regulating functions of a body, and enhancing immunity, can delay cell aging after being drunk for a long time, prevents diseases such as esophageal cancer, stomach cancer, cervical cancer and breast cancer, and is significant in effect.

The invention discloses an antibacterial and anti-allergic moisturizing spray, which comprises the components such as meadowfoam alkaloids, flavonoids of dracaena, ursolic acid, glycerin, propylene glycol, glucan, trehalose and the like. The moisturizing spray contains meadowfoam alkaloids, which can indirectly control the intensity of spontaneous peroxidation by controlling endogenous nitric oxide; Xuemancao ursolic acid can reduce the accumulation and peroxidation of lipids, and the ingredients have effective effects. Endows the spray with a good antioxidant effect; in addition, meadowfoam alkaloids can improve capillary microcirculation; dried flavonoids can effectively kill microorganisms and remove microbial secretions, preventing allergic or inflammatory reactions; The direct penetration of fruit acid into the interior of microorganisms disintegrates the effect of microorganisms, and lightly anesthetizes the skin to reduce possible allergic phenomena. The synergistic effect of several components can achieve significant antibacterial and anti-allergic effects.

The invention provides an ointment for preventing and treating gynecologic inflammation and a preparation method thereof. The ointment is composed of the following components in percentage by mass: 40-60% of fluid extract, 5-10% of mixed substrate, 1-5% of cosolvent, 0.5-1.5% of preservative, 0.5-1.5% of penetration enhancer, 3-5% of pH regulator and the balance of glycerol. The fluid extract is prepared from centella, purslane, sophora flower, giant knotweed, Fourstamen Stephania Root, fructus cnidii, nutgall, Carthamus tinctorius, honeysuckle flower and versioolor swallowwort root. The ointment has very high permeability for partial tissues on which organism dermatophytes live, has obvious antibacterial and bactericidal actions on the cuticle superficial part and deep fungi, and has strong inhibiting actions on multiple vaginal pathogens. When being used for treating gynecologic inflammation, the ointment is simple to operate, reduces the relapse of inflammation, and effectively avoids complications.

The invention discloses bactericidal composition containing Pudilan extract. The bactericidal composition is characterized by comprising the following components in parts by weight: 0.5-5 parts of Pudilan extract, 0.5-5 parts of radix scutellariae extract, 2-8 parts of eugenol and 2-8 parts of paeonol. The invention further discloses mouthwash containing the bactericidal composition and a preparation method of the mouthwash. The bactericidal composition has obvious bactericidal effect, especially has strong killing effect on streptococcus mutans and can effectively prevent tooth decay; the mouthwash can solve the problems of oral cavity internal heat, gingival hemorrhage, gingival swelling and pain and oral ulcer; the preparation process of the mouthwash is simple, convenient to operate and conducive to industrialized production of the mouthwash.

The invention discloses a preparation method of an antibacterial composite coating, and belongs to the technical field of composite coating processing. The preparation method comprises the following steps: (1) preparing shell powder; (2) preparing an antibacterial composite powder; (3) preparing a modified antibacterial composite powder; and (4) preparing the antibacterial composite coating. The antibacterial composite coating prepared by the invention can reduce the water absorption rate of the coating and improve the corrosion resistance of the coating; theantibacterial composite coating containsthree antibacterial components including shell powder, titanium dioxide and zinc oxide; the shell powder has adsorbability and is nontoxic, can be used as an excellent carrier ofantibacterial materials, is rich in an alkaline catalyst and chitin, and has remarkable antibacterial and bactericidal effects on escherichia coli, salmonella, staphylococcus aureus and the like, and titanium dioxideand zinc oxide have a relatively strong antibacterial effect, and also have self-cleaning performance and negative ion release capacity.