752 results about "Bacteriostatic agent" patented technology

The invention provides a composition with oil-controlling, acne-removing, barrier-repairing effects and application thereof, and belongs to the field of cosmetics. The composition is prepared from a baropetalum beetle leaf extract, a roselle flower extract, totarol and a cryptomeria fortunei bud extract. The baropetalum chinense leaf extract has the effects of balancing grease secretion and shrinking pores; the roselle flower extract is rich in organic acid and anthocyanin, and has the effects of dissolving pore keratosuppository, controlling oil, resisting inflammation, smoothing acne skin, preserving moisture and removing redness; as a bacteriostatic agent, totarol has a natural preservative effect on gram-positive bacteria and partial negative bacteria, and has the effects of removing acnes, sterilizing, diminishing inflammation, whitening and the like; the cryptomeria fortunei bud extract can promote skin tissue structure regeneration and strengthen skin barriers. The composition effectively regulates and controls excessive secretion of sebaceous gland grease and pox skin specific protein through the synergistic effect of various components, promotes the health of pox skin, repairs the skin barrier and enhances the self-protection ability of the skin at the same time.

The invention discloses lactobacillus reuteri LR69 capable of enhancing a gastric mucosal barrier and application, a product and a method thereof, and belongs to the technical field of microorganisms. The invention provides a lactobacillus reuteri LR69, and the preservation number of the lactobacillus reuteri LR69 is CGMCC (China General Microbiological Culture Collection Center) No.33731. The lactobacillus reuteri LR69 is a lactobacillus reuteri LR69. The invention also provides application of the strain in preparation of food with an auxiliary protection function on gastric mucosa, and / or food with an intestinal flora regulating function, and / or a product for relieving gastritis, and / or food with an immunity enhancing function, and / or a bacteriostatic agent. The invention further discloses a food with an auxiliary protection function on gastric mucosa, a food with an intestinal flora regulating function, a product for relieving gastritis, a food with an immunity enhancing function, a bacteriostatic agent and an in-vitro bacteriostasis method based on the strain. The lactobacillus reuteri LR69 disclosed by the invention can effectively assist in protecting gastric mucosa, regulating intestinal flora, relieving gastritis, enhancing immunity and realizing broad-spectrum bacteriostasis.

The invention discloses a pseudo-ginseng seed storage method, relates to the technical field of seed treatment, and aims to solve the problems that pseudo-ginseng seeds are difficult to store, easy to lose vigor and severely mildew.The pseudo-ginseng seed storage method adopts a specially-made bionic microenvironment packaging unit to wrap the seeds, the inner layer of the specially-made bionic microenvironment packaging unit contains a moisture slow-release agent, and a bacteriostatic agent and active substances needed by germination can be intelligently released in a staged mode; the outer layer of the seed packaging box is a selective breathable film which integrates humidity and microbial contamination state indication functions and stress buffer characteristics, then the packaged seed is placed in an intelligent regulation and control storage cabin, and the temperature and humidity are accurately regulated and controlled by the storage cabin; gas components (such as low oxygen, high carbon dioxide or ozone) regulation and control, efficient air filtration and an intelligent monitoring and remote management system can be selected, the service life of the seeds can be remarkably prolonged, high germination rate and activity are kept, mildew is effectively inhibited, physiological after-ripening and germination are optimized, and intelligentization, standardization and refinement of seed storage management are achieved.

The invention relates to the technical field of cosmetics, in particular to shower gel with deep cleaning and efficient whitening effects and a preparation method of the shower gel. Shower gel with deep cleaning and efficient whitening effects is prepared from the following raw materials in parts by mass: 0.08 to 0.12 part of disodium ethylene diamine tetraacetate, 0.2 to 0.3 part of a whitening plant extract, 8 to 10 parts of a cleaning agent, 0.2 to 0.25 part of a whitening and freckle removing agent, 0.2 to 0.3 part of a preservative, 0.3 to 0.4 part of a bacteriostatic agent, 0.4 to 0.6 part of pearly slurry, 1.4 to 1.6 parts of sodium chloride, 0.2 to 0.3 part of essence and 83 to 85 parts of deionized water. The shower gel formula provided by the invention not only can provide a deep cleaning effect, but also can effectively whiten the skin, has multiple effects of bacteriostasis, mildness, oxidation resistance, inflammation resistance, skin metabolism promotion and the like, and brings comprehensive skin care experience to a user.

The invention provides a lactobacillus pentosus and a preparation method and application of bacteriocin of the lactobacillus pentosus. The name of the strain is lactobacillus pentosus YCL31, and the strain is preserved in Guangdong Microbial Culture Collection Center (GDMCC) on June 25, 2025, the preservation address is the 5th floor of the building 59, No. 100 courtyard, Xianlie Middle Road, Guangzhou, and the preservation number is GDMCC No: 66589. The bacteriocin separated and purified from the metabolite of the bacterium can destroy the morphological structure of the vibrio parahemolyticus and inhibit the toxicity of the vibrio parahemolyticus, can also achieve the effect of remarkably inactivating the vibrio parahemolyticus in a metapenaeus ensis system, can effectively delay the spoilage of the metapenaeus ensis, and has a good application prospect as a bacteriostatic agent or preservative. Therefore, development and application of the novel bacteriocin have important reference value in related fields.

The invention relates to the technical field of aquaculture, in particular to nile tilapia ferritin, a preparation method and application thereof and a bacteriostatic agent. The amino acid sequence of the nile tilapia ferritin is as shown in SEQ ID No.1, and the nile tilapia ferritin inhibits streptococcus agalactiae and / or aeromonas hydrophila. The invention provides Nile tilapia ferritin, and in-vitro experiments prove that the recombinant protein can effectively inhibit proliferation of pathogenic bacteria. A further in-vivo experiment research result shows that the ferritin heavy chain (Nile tilapia ferritin) has important functions of inhibiting pathogenic bacterium proliferation and improving the survival rate of an organism, and plays an important role in immune protection of the organism.

The invention discloses an oral care composition and a preparation method thereof, the oral care composition comprises a friction agent, a periodontal repair agent, a thickening agent, a humectant and a foaming agent, the friction agent comprises a dental plaque release agent, and the dental plaque release agent is configured to destroy a bacterial extracellular polysaccharide matrix in dental plaque; the periodontal repair agent comprises at least one of the following components: an inflammation inhibitor, a tissue repair promoter, a mucous membrane stimulation alleviator and a bacteriostatic agent. The oral care composition contains the dental plaque release agent and the periodontal repair agent, and can synergistically improve periodontal health.

The invention discloses application of acinetobacter baumannii bacteriophage depolymerases in preparation of bacteriostatic agents, and relates to the technical field of biology. The depolymerases disclosed by the invention can inhibit the growth of a plurality of acinetobacter baumannii, have a bacteriostatic effect on the acinetobacter baumannii, and lay a foundation for developing effective infection control strategies and treatment methods to resist infection of the multi-drug-resistant acinetobacter baumannii.

The invention provides application of a bacteriostatic agent in open type tissue culture and rapid propagation of polyploidy bamboo reeds, and relates to the technical field of tissue culture and rapid propagation of plants, the bacteriostatic agent is applied to the open type tissue culture and rapid propagation process of the polyploidy bamboo reeds, and the use method is that the bacteriostatic agent is added into a culture medium for use or sprayed or oscillated and flushed for use, and the bacteriostatic agent is applied to the open type tissue culture and rapid propagation process of the polyploidy bamboo reeds. The bacteriostatic agent is formed by mixing isothiazolinone and sodium dehydroacetate, the mass addition ratio of the isothiazolinone to the sodium dehydroacetate is (8-5): (2-5), and the method comprises the following steps: S1, primary culture of explants; s2, multiplication culture of seedlings; s3, rooting culture, wherein each liter of the culture medium contains 0.05-1g of the bacteriostatic agent in the above steps. The method has the beneficial effects that under the condition that the method does not need to be controlled in a sterile environment and does not depend on the quality of an inoculator, a large amount of propagation of the polyploidy bamboo reed tissue culture seedlings is realized by adopting an open tissue culture technical mode, the productivity speed of a tissue culture center is improved, and the construction threshold and cost of the tissue culture center are reduced.

The invention provides a viscosity-controllable and low-toxicity polysaccharide-based antibacterial detergent and a preparation method thereof, and belongs to the technical field of daily chemical sterilization. The detergent comprises the following raw materials in percentage by mass: 0.5-6% of a polysaccharide thickener, 10% of a bacteriostatic agent, 10% of a glycoside nonionic surfactant and the balance of water, the polysaccharide thickening agent is a mixture of chitosan, chitosan hydrochloride and quaternized chitosan. The polysaccharide is applied to viscosity regulation and control of a surfactant system without a petroleum-based thickening agent for the first time, application of the polysaccharide in the field of daily chemical washing is expanded, and compared with other antibacterial hand sanitizer competitive products containing benzene rings and phenol bacteriostatic agents and 6501 thickening agents, the antibacterial hand sanitizer competitive products have the remarkable advantages of high biocompatibility, high antibacterial property, easiness in degradability and the like.

The invention discloses bifidobacterium longum subsp. Infantis BIN31 for regulating immunity as well as application, a product and a method thereof, and belongs to the technical field of microorganisms. The invention provides a bifidobacterium longum subsp. Infantis BIN31, the preservation number of which is CGMCC (China General Microbiological Culture Collection Center) No. 33422, and the preservation number of the bifidobacterium longum subsp. Infantis BIN31 is CGMCC No. 33422. The invention also provides an application of the strain in preparation of food for enhancing immune function, and / or food with an auxiliary protection function on intestinal barrier, and / or food for regulating intestinal flora function, and / or a bacteriostatic agent, and also provides an application of the strain in preparation of food for enhancing immune function, and / or food with an auxiliary protection function on intestinal barrier, and / or food for regulating intestinal flora function. The invention also discloses a bacteriostatic agent and an in-vitro bacteriostatic method based on the strain, which have the functions of enhancing immune function, assisting in protecting intestinal barriers and regulating intestinal flora. The bifidobacterium longum subsp. Infantis BIN31 disclosed by the invention can effectively assist in protecting intestinal barriers, regulating intestinal flora, enhancing immunity and realizing broad-spectrum bacteriostasis.

The invention belongs to the technical field of plant allelopathy, and particularly relates to application of bean root exudates in allelopathy of hydroponic barley grass. On the basis of a hydroponic barley grass technology, a hydroponic wheat-bean mixed planting mode is created for the first time, allelopathy effects between different bean root exudates and hydroponic barley grass are mined and analyzed by surrounding bean root exudates and utilizing the allelopathy effects among organisms, specific responses of hydroponic barley grass to the bean root exudates in physiological and biochemical indexes are determined, and the method has a good application prospect. And identifying the physicochemical property change of the hydroponic barley grass. A novel method is provided for a novel efficient, safe and environment-friendly bacteriostatic mode of the hydroponic barley grass, a theoretical basis and an improvement direction are provided for developing a novel biological bacteriostatic agent and a hydroponic barley grass planting facility, and a hydroponic wheat and bean mixed planting mode is further promoted to become a planting technology for effectively improving green feed nutrition.

The invention discloses an oral dispersion liquid composition capable of effectively inhibiting bacteria, and relates to the technical field of nano-emulsion / micro-capsule suspension liquid. Aiming at the problems of transient antibacterial effect, strong irritation and poor dispersibility of the traditional oral care product, the composition is prepared by adopting a nano-emulsion and micro-capsule technology. A bacteriostatic agent (such as nano-silver and thyme volatile oil) is wrapped in urea formaldehyde microcapsules through an interfacial polymerization method, and protection and controlled release of active ingredients are achieved. The nano-emulsion is prepared by compounding Span and Tween emulsifiers, so that high dispersity and permeability are ensured; tea polyphenol is added as an antioxidant, so that the stability is enhanced. The preparation method comprises the steps of nano-emulsion preparation, active ingredient microencapsulation, disperse system construction and sterilization filling, and the particle size D90 of a final product is smaller than or equal to 200 nm. The composition has a lasting antibacterial effect, good stability and safety, and is suitable for oral health maintenance.

The invention discloses a bacteriostatic composition which comprises a synergist and a bacteriostatic agent, the synergist is ethyl phenylacetate or a derivative thereof, and the bacteriostatic agent is selected from hydrogen peroxide, beta-lactam antibiotics, macrolide antibiotics and aminoglycoside antibiotics. The synergist disclosed by the invention is wide in synergistic effect spectrum range, and has a remarkable synergistic bacteriostatic effect when being combined with hydrogen peroxide, amoxicillin, ampicillin, benzylpenicillin potassium, erythromycin, azithromycin and amikacin; the antibacterial effect is weak when the compound is independently used, but the virulence of staphylococcus aureus can be remarkably reduced, the formation of hemolysin, staphylococcus flavin, enterotoxin and a biofilm can be inhibited, and meanwhile, the selective pressure on bacteria is favorably reduced due to the relatively low antibacterial activity, so that the occurrence of drug resistance is delayed; the method is suitable for various application scenes such as food processing industry.

The present invention discloses a strong, non-toxic, antibacterial and antiviral nano-functional material and a preparation method thereof. The nano-functional material is green, non-toxic and harmless, and its antibacterial and antiviral effect can reach more than 99%. The new nano-material innovatively uses the natural antibacterial agent meta-dichlorostyrene meta-dichloroacetophenone as the main body of the material to exert its antibacterial and antiviral effects. This makes the new nano-material not only have extremely strong antibacterial and antiviral effects, but also as a natural antibacterial agent, when it is used as a textile material, it can be non-toxic and harmless to the human body, green and healthy. It has a better inhibitory effect on both Gram-negative and Gram-positive bacteria than nano-copper oxide and meta-dichlorophenylethanol and meta-dichloroacetophenone. The present invention also provides a preparation method for the nano-functional material, which includes chemical reaction processes such as boron hydrolysis reaction, catalytic oxidation reaction, electrocarboxylation reaction, and esterification reaction.

The invention provides an alginate fiber sanitary towel and a preparation method thereof, and belongs to the technical field of nursing materials. Through the directional water-repellent design of the double-sided reverse osmosis prevention functional layer and in combination with the three-dimensional leakage-proof partition edge structure, the risks of liquid back seepage and side leakage are remarkably reduced, and the use dryness and reliability are improved; the natural antibacterial effect of the alginate fibers is utilized, efficient peculiar smell control is achieved, irritation of traditional chemical bacteriostatic agents to the skin is avoided, and biological safety is guaranteed; the core material adopts alginate fiber renewable resources, the characteristics of high water absorption and degradability of the alginate fiber absorber are combined, the environmental protection sustainability of the product is enhanced, the common problems of reverse osmosis, side leakage, dependence on chemical addition and the like of the sanitary towel are solved, meanwhile, the unification of the protection performance, the health attribute and the sustainability is achieved through material and structure innovation, and the sanitary towel is suitable for being used for sanitary napkins. And a technical normal form capable of being flexibly expanded is provided for the industry.

The invention relates to the technical field of microorganisms, in particular to plant lactobacillus BR32 with functions of preventing decayed teeth and improving inflammation and application of the plant lactobacillus BR32. The plant lactobacillus BR32 with the functions of preventing decayed teeth and improving inflammation, provided by the invention, has the preservation number of CGMCC No.32836, has an inhibiting effect on the growth of oral pathogens such as streptococcus mutans, candida albicans and porphyromonas gingivalis, is high in oxidation resistance, is beneficial to continuous oral cavity stability maintenance through a synergistic effect, also has relatively high hydrophobicity and self-agglutination capability, and can be used for preparing oral cavity health-care products. The compound is low in tooth environment corrosion, high in lysozyme tolerance and good in oral colonization capacity, does not have a hemolysis phenomenon in in-vitro hemolysis culture, is sensitive to common antibiotics and has relatively high food safety. The invention further provides a microbial agent, a probiotic product, a functional food, a fermented product, a bacteriostatic agent and an oral product containing the plant lactobacillus BR32 with the functions of preventing the decayed teeth and improving the inflammation, and the effects of preventing the decayed teeth, improving the inflammation, preventing dental plaque, relieving oral ulcer and the like are achieved.

The invention discloses a use of a polylactic acid active packaging film in the preservation of B. cerana. The polylactic acid active packaging film is prepared by using an Ag@MOF carrier to load a natural antibacterial agent, which is then fully mixed with polylactic acid and then melt-extrusion blow molding. The packaging film is used to package the B. cerana to achieve active packaging of the B. cerana, inhibit the growth of microorganisms, and extend the shelf life of the B. cerana. The preservation method has a simple process and is easy to operate. The materials used are biodegradable, reducing environmental pollution caused by packaging. The natural antibacterial agent, Litsea cubeba essential oil, is added to the preservative film, which can effectively inhibit the growth and reproduction of major spoilage bacteria isolated and identified from the B. cerana. The Ag@MOF is used to load the Litsea cubeba essential oil, which can effectively control the release rate of the Litsea cubeba essential oil, achieving long-lasting antibacterial and antioxidant purposes. The preservation method can effectively extend the storage period of the B. cerana.

The invention provides a magnesium oxide slag environment-friendly cat litter and a preparation method thereof. The magnesium oxide slag environment-friendly cat litter comprises 80-90 parts of magnesium oxide slag and 0.5-2.0 parts of an adhesive. 8-18 parts of a deodorant; 0.5 to 1.0 part of a bacteriostatic agent; the source of the magnesium oxide slag is waste slag neutralized by acid wastewater generated in a silica gel production process. The magnesium oxide slag in the waste water of the silica gel production line is converted into the cat litter with the performance similar to that of bentonite, the problem of waste slag treatment is solved, and meanwhile, a novel environment-friendly cat litter product is provided.

The application discloses a pH-responsive slow-release bacteriostatic agent for in-situ inhibition of generation of acid mine drainage and a preparation method thereof, and belongs to the technical field of mine pollution remediation. The preparation raw materials are selected to include sorbic acid (SA), amino-modified mesoporous silica (NH2-MSN) and polyacrylic resin IV (PAR). The sorbic acid in the bacteriostatic agent has good bacteriostatic efficiency, and the amino-modified mesoporous silica is used as a slow-release material to improve the persistence and stability of the bacteriostatic efficiency. The polyacrylic resin IV is used as an outer blocking molecule, and has excellent pH response properties.

The invention relates to the technical field of microorganisms, in particular to penicillium LDFST10 and application of the penicillium LDFST10 in promoting plant growth or preventing and treating stem rot. The preservation number of the penicillium LDFST10 is CGMCC (China General Microbiological Culture Collection Center) No. 41960. The application comprises the step of applying the penicillium LDFST10 or the fermentation product thereof to rhizosphere soil of the plant so as to promote the growth of the plant and prevent and treat basal stem rot. The invention researches and screens out the penicillium frutescens LDFST10 capable of promoting plant growth and inhibiting various pathogenic bacteria of stem rot, various growth promoting preparations or bacteriostatic agents or drugs aiming at the stem rot can be developed on the basis of the penicillium frutescens, and the penicillium frutescens LDFST10 has important value in the planting field of various crops such as corn, wheat and the like.

The invention relates to bacteriostatic bentonite cat litter and a preparation method thereof, and belongs to the technical field of pet supplies. The bacteriostatic bentonite cat litter sequentially comprises a sodium bentonite matrix embedded with a bacteriostatic agent, a metal oxide layer and a biological membrane layer from inside to outside, the sodium bentonite matrix is obtained by mixing and aging bentonite and a sodium modifying agent in a solvent. When the biological membrane is in contact with excrement, the outer-layer biological membrane preferentially blocks liquid permeation, the middle-layer nano ZnO still generates active oxygen in a weak light environment, and the inner-layer Ag < + >-loaded zeolite slowly releases and inhibits bacteria, so that the antibacterial persistence can be improved. The bacteriostatic bentonite cat litter disclosed by the invention is remarkable in deodorization and antibacterial effects, does not stick to hands when being used, does not generate dust, and has relatively strong caking performance.

Provided are a ginsenoside F1 nasal mucosa formulation and a preparation method therefor and use thereof. The ginsenoside F1 nasal mucosa formulation is prepared using ginsenoside F1 as an active ingredient, together with a nasal mucosa absorption promoter and water, and optionally contains borneol and a bacteriostatic agent. The ranges of the mass percentage of the components are preferably as follows: 0.4-15% of ginsenoside F1, 0-0.8% of borneol, 0.05-40% of the absorption promoter, and 0-0.3% of the bacteriostatic agent. The nasal formulation can be used for treating senile dementia and can improve and restore memory. The nasal solution has the following advantages: improving the solubility of the ginsenoside F1 in water and thereby significantly improving the bioavailability of systemic absorption of ginsenoside F1, and enabling increase in the concentration of ginsenoside F1 in the intracerebral focus by means of formula adjustment according to therapeutic requirements and thereby significantly improving the therapeutic effect for diseases and the safety of drug use.

The invention discloses an ebastine oral solution preparation method, which comprises: 1, weighing 5-20 parts by mass of ebastine, 50-100 parts by mass of a thickening agent, 10-18 parts by mass of a bacteriostatic agent, 1800-2000 parts by mass of a thickening agent, 0.1-0.2 part by mass of a defoaming agent, 600-700 parts by mass of a sweetening agent, adjusting the pH value to 3.5-4.5 by using a pH value adjusting agent, and carrying out a proper amount of water; 2, adjusting the temperature to 35 DEG C, adding ebastine into the thickening agent, and stirring to completely disperse the ebastine; 3, adding part of purified water, an acidity regulator and a thickening agent, and stirring until the materials are completely dissolved; 4, adding the sweetening agent, the bacteriostatic agent and the defoaming agent, and stirring until the materials are completely dissolved; 5, cooling after complete dissolution, and adjusting the pH value to 4 by using an alkaline regulator; step 6, fixing the volume; by optimizing the preparation process, efficient dissolution of the ebastine oral solution is realized, the problems of clinical application pain points of tablets and low solubility of raw material medicines of the oral solution are solved, and a safer and more convenient treatment choice is provided for special crowds.

The invention discloses toothpaste which is pasty and comprises an abrasive, a humectant, a foaming agent, water, a bacteriostatic agent povidone iodine, 0.5 wt%-5 wt% of magnesium carbonate particles and 5 wt%-15 wt% of chitosan.The toothpaste has the advantages that cross-linking points are formed through electrostatic attraction between a positively charged chitosan acid solution and negatively charged povidone iodine and silicon dioxide particles; the preparation method comprises the following steps: preparing chitosan by virtue of a sol-gel method so as to realize gelation of the chitosan, uniformly dispersing silicon dioxide particles, povidone iodine and magnesium carbonate nanoparticles in the chitosan gel to obtain pasty toothpaste with good performance, the pasty toothpaste has relatively good stability, and the gel structure can also be used as a carrier to load and slowly release povidone iodine, so that the antibacterial action time of the povidone iodine is prolonged, and long-acting antibacterial protection is provided. The toothpaste disclosed by the invention has a good cleaning effect and antibacterial performance, is suitable for more user groups, especially crowds with sensitive oral cavities, and has important market requirements and application prospects.

The invention discloses a polypropylene compounded and plasticized antibacterial starch composite material as well as a preparation method and application thereof, belongs to the technical field of food preservation, and provides the polypropylene compounded and plasticized antibacterial starch composite material. Comprising the following raw materials: 70 to 200 parts of polypropylene, 20 to 60 parts of maleic anhydride grafted polyolefin elastomer, 6.633 to 19.71 parts of starch, 2.673 to 8.91 parts of glycerin, 0.02 to 3 parts of a bacteriostatic agent and 1 part of an antioxidant. The plasticized antibacterial starch and the maleic anhydride grafted polyolefin elastomer are compounded with the polypropylene, so that the mechanical property of the polypropylene material is improved, the broad-spectrum antibacterial property of the polypropylene material is realized, and the polypropylene compounded plasticized antibacterial starch composite material effectively reduces the food transportation loss and the quality safety problem; the problem of excess production value of common polypropylene is solved, and a new choice is provided for toughening modification and antibacterial functionalization of polypropylene.

The invention belongs to the technical field of packaging materials, and particularly relates to a packaging material with antibacterial activity and a preparation method thereof. The packaging material with antibacterial activity is prepared from the following raw materials in parts by weight: 60 to 70 parts of polylactic acid, 10 to 20 parts of poly (butylene succinate), 3 to 5 parts of modified montmorillonite, 0.5 to 1 part of a bacteriostatic agent, 0.5 to 1 part of a lubricating agent, 1 to 3 parts of a compatilizer and 1 to 1.5 parts of functional filler. The packaging material provided by the invention has excellent barrier property, antibacterial property and mechanical property, stable fixation and synergistic interaction of functional components such as the modified montmorillonite and the functional filler are realized, and the packaging material has important significance in promoting technical progress of the packaging industry and meeting the requirements of the market on high-performance packaging materials.

The invention discloses a female private part composite bacteriostatic agent and a preparation method thereof, and relates to the technical field of female care products. The female private part compound bacteriostatic agent is prepared from the following raw materials in percentage by weight: 0.2 to 0.5 percent of cortex phellodendri extract, 0.2 to 0.5 percent of radix sophorae flavescentis extract, 0.05 to 0.1 percent of tanshinone extract, 0.05 to 0.1 percent of fructus cnidii extract, 0.5 to 1.2 percent of cranberry extract, 0.02 to 0.04 percent of chlorhexidine gluconate, 0.02 to 0.04 percent of chlorhexidine acetate, 0.08 to 0.2 percent of glycerol monolaurate, 0.3 to 0.9 percent of lactic acid, 0.3 to 0.9 percent of probiotic microcapsules, 1 to 2 percent of compound amino acid surfactant, 0.1 to 0.5 percent of vitamin E and the balance of water. 0.1-0.3% of a preservative, 2-4% of glycerol and the balance of water. The antibacterial health-care product has an excellent antibacterial effect, and can effectively regulate the micro-ecological balance of the private parts of women.

Provided is a use of chlorogenic acid and a chlorogenic acid-rich substance in control of citrus huanglongbing (HLB); where a bacteriostatic agent includes the chlorogenic acid, and the chlorogenic acid has an effective concentration of greater than or equal to 0.5 mg / mL. In the present disclosure, an antibacterial test of the chlorogenic acid on Candidatus Liberibacter asiaticus (CLas) has confirmed that the chlorogenic acid shows a significant inhibitory effect on the CLas. It is also proven in the field that application of the chlorogenic acid exhibits an obvious therapeutic effect on diseased trees to be treated, indicating application prospects of the chlorogenic acid in controlling the citrus HLB. Moreover, the chlorogenic acid, as a green, natural, and non-toxic bioactive substance, is widely used in medical, food, and health care industries, with convenient sources, controllable costs, and strong feasibility.

The invention provides a dexketoprofen trometamol oral solution and a preparation method thereof. According to the dexketoprofen trometamol oral solution, polyethylene glycol 400 and hydroxypropyl methylcellulose are used as stabilizing agents, methylparaben and propyl hydroxybenzoate are used as bacteriostatic agents, sucralose and ammonium glycyrrhizinate are used as sweetening agents, essence is used as a flavoring agent, and the pH value of the solution is controlled to be 6.2-6.8 through a pH value regulator. The increase of the impurity A, the impurity B, the impurity C, the impurity E and the total impurity is obviously reduced, so that the product stability is obviously improved.