1012 results about "Bacteriostatic agent" patented technology

The invention discloses an antibacterial peptide and application thereof. The amino acid sequence of the antibacterial peptide disclosed by the invention is KKKEHRLLHRVLFHRL. The minimum inhibitory concentration of the antibacterial peptide to staphylococcus aureus is 4.5 mu g / mL, and the minimum bactericidal concentration of the antibacterial peptide to staphylococcus aureus is 72.7 mu g / mL. The antibacterial peptide disclosed by the invention has remarkable antibacterial activity on staphylococcus aureus and is expected to be widely applied as a novel bacteriostatic agent for preventing and treating staphylococcus aureus.

The invention discloses a multifunctional coating with flame retardance, bacteriostasis and electromagnetic shielding as well as preparation and application of the multifunctional coating, and belongs to the technical field of textiles. The preparation method comprises the following steps: firstly, preparing a flame-retardant solution by combining phosphorylated sodium alginate and MXene, and padding a fabric into the solution to obtain a fabric with a flame-retardant function; the preparation method comprises the following steps: preparing a flame-retardant solution, adsorbing zanthoxylum bungeanum essential oil by adopting mesoporous silica to prepare a bacteriostatic agent solution, mixing the flame-retardant solution, the bacteriostatic agent solution and polyvinylpyrrolidone to obtain a flame-retardant and bacteriostatic composite solution, and padding a fabric into the flame-retardant and bacteriostatic composite solution to obtain a fabric with flame-retardant and bacteriostatic functions; mXene solution is sprayed on the fabric with the flame-retardant and antibacterial functions to serve as an enhanced electromagnetic shielding layer, and the multifunctional fabric with the flame-retardant, antibacterial and electromagnetic shielding functions is prepared. The flame-retardant solution and the bacteriostatic agent solution are both made of bio-based materials, have the advantages of being low in price, environmentally friendly and degradable, and can also be used as coatings to be applied to multiple fields.

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 relates to the technical field of cleaning, in particular to a bacteriostatic cleaning tablet as well as a preparation method and a use method thereof. The shampoo is prepared from the following raw materials in parts by mass: 10-30 parts of a film-forming agent, 10-40 parts of a surfactant, 1-10 parts of a filling agent, 0.5-6 parts of a chelating agent, 0.5-5 parts of a hair care agent, 0.5-5 parts of a plant extract, 1-5 parts of an auxiliary agent, 0.1-1 part of a bacteriostatic agent, 0.1-1 part of essence and 10-100 parts of deionized water. The antibacterial washing and caring cleaning tablet does not contain an SLS surfactant, an ethyoxyl compound surfactant and a preservative, has the advantages of being mild, clean, high in solubility and capable of inhibiting malassezia, and can be used for daily hair washing, hand washing and underwear cleaning.

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 discloses bifidobacterium animalis subsp. Lactis BLa65 capable of relieving constipation and regulating intestinal flora as well as application, a product and a method thereof, and belongs to the technical field of microorganisms. The invention provides bifidobacterium animalis subsp. Lactis BLa65 capable of relieving constipation and regulating intestinal flora, and the preservation number of the bifidobacterium animalis subsp. Lactis BLa65 is CGMCC (China General Microbiological Culture Collection Center) No.32427. The invention also provides an application of the bifidobacterium animalis subsp. Lactis BLa65 in preparation of functional food for relaxing the bowels, and / or functional food for regulating intestinal flora, and / or a bacteriostatic agent, and / or non-treatment-destination in-vitro bacteriostasis. The BLa65 strain provided by the invention has excellent broad-spectrum antibacterial performance, a function of relieving constipation and a function of regulating intestinal flora at the same time.

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 discloses a preparation method and application of a cow milk antibacterial peptide with wide inhibitory activity on gram-positive bacteria and gram-negative bacteria by a fermentation method, the cow milk antibacterial peptide is prepared by taking milk protein as a raw material through a microbial fermentation method and a multi-stage membrane separation and purification process, the yield of the cow milk antibacterial peptide prepared by the method can reach 18-30%, and the yield of the cow milk antibacterial peptide prepared by the method can reach 18-30%. And the peptide content in the product is 60-85%. The cow milk antibacterial peptide prepared by the preparation method disclosed by the invention has inhibitory activity on gram-positive bacteria and gram-negative bacteria. The prepared cow milk antibacterial peptide can be used for preparing drugs and / or health care products, food and skin care products for preventing and / or reducing infectious diseases caused by escherichia coli, staphylococcus aureus, pseudomonas aeruginosa, porphyromonas gingivalis and streptococcus mutans, can also be used as a food preservative, an oral bacteriostatic agent, a preservative and the like, and has a good application prospect.

The invention relates to the technical field of biotechnology, and discloses a special biological fresh-keeping preservative method for cattle stomach, which comprises the following steps: firstly, pretreating the cattle stomach; the method comprises the following steps: putting the cattle stomach into flowing clear water, washing off obvious impurities, dirt and mucous membrane liquid on the surface, soaking the cattle stomach in saline water or a food-grade cleaning agent solution in a certain proportion for 10-30 minutes, kneading the surface of the cattle stomach, washing the kneaded cattle stomach with clear water again, and removing impurities and cleaning agent residues after soaking and kneading, and placing the cleaned cattle stomach in a filter screen or a clean container, and naturally draining water. And further determining the strain by adopting a 16SrDNA (Deoxyribose Nucleic Acid) detection technology, and analyzing experimental data to find out a bacteriostatic agent with the best effect and the lowest effective bacteriostatic concentration through a bacteriostatic activity experiment. And finally, determining quality index data of the cattle stomach through a single factor and an orthogonal test, and optimizing the bacteriostatic agent with the best effect, so that the shelf life of the cattle stomach stored at low temperature is prolonged.

The invention discloses bifidobacterium breve BBr26 capable of inhibiting hyaluronidase activity and relieving allergy as well as an application, a product and a method of the bifidobacterium breve BBr26, and belongs to the technical field of microorganisms. The invention provides a Bifidobacterium breve (Bifidobacterium breve) strain BBr26 with anti-allergy and / or immunoregulation capability, and the preservation number of the Bifidobacterium breve strain BBr26 is CGMCC (China General Microbiological Culture Collection Center) NO.32424. The invention also provides a preparation method of the Bifidobacterium breve strain The invention also provides an application of the strain bifidobacterium breve BBr26 in preparation of products for relieving atopic dermatitis, and / or food for enhancing immune function, and / or bacteriostatic agents, and a product and a method based on the strain BBr26. The strain disclosed by the invention has broad-spectrum bacteriostasis, can relieve allergy and atopic dermatitis, and can effectively play a role in immunoregulation.

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 relates to the related technical field of food processing. The invention relates to a packaging material, in particular to a high-tannic-acid-loading nano titanium dioxide antibacterial packaging material, a preparation method and application thereof. According to the preparation method, the capacity of loading a bacteriostatic agent tannic acid on mesoporous nano titanium dioxide is improved through amination modification, amination modified nano titanium dioxide loaded with high tannic acid is prepared, polyethylene glycol and glycerol are used as plasticizers, a polylactic acid base material is embedded, and the nano titanium dioxide loaded with high tannic acid is prepared. Further, the high-tannic-acid-loading nano titanium dioxide bacteriostatic packaging material with good tannic acid loading, antibacterial performance, oxidation resistance and fresh-keeping effect is prepared, and a new bacteriostatic packaging choice is provided for the food processing industry.

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 eye drops containing L-ergothioneine and a preparation method of the eye drops. The eye drops are prepared from the following components in parts by weight: 0.0015 to 15 parts of L-ergothioneine, 0.001 to 0.01 part of a bacteriostatic agent, 0.05 to 15 parts of a buffering agent and the balance of normal saline, and the pH value of the eye drops is 5.0 to 7.0. Experiments show that L-ergothioneine can prevent and reverse denaturation of crystalline lens protein, the prepared eye drops containing L-ergothioneine can prevent and reduce opacity of crystalline lens protein, and the prevention and treatment effects on cataract are better than those of existing eye drops.

The invention provides a bacteriostatic PET (polyethylene terephthalate) coiled material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials, the bacteriostatic PET coiled material is prepared from the following raw materials: PET, nano titanium dioxide, nano talcum powder, a compatilizer, an antioxidant, a lubricant and a modified composite bacteriostatic agent; the compatilizer is an ethylene-methyl acrylate-glycidyl methacrylate random terpolymer and / or an ethylene-acrylic ester-maleic anhydride random terpolymer, and the compatilizer is an ethylene-methyl acrylate-glycidyl methacrylate random terpolymer and / or an ethylene-acrylic ester-maleic anhydride random terpolymer; the lubricant is one or a mixture of two of pentaerythritol stearate, erucyl amide, polyethylene wax, polyvinyl alcohol and ethylene bis stearamide; the modified composite bacteriostatic agent is prepared from catechin gallate, epsilon-polylysine hydrochloride and modified porous zinc oxide. The prepared antibacterial PET coiled material can be used for packaging materials of packaging boxes, lunch boxes, cup covers, trays and the like, and has good mechanical properties such as bending strength and impact strength and excellent antibacterial performance.

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 invention discloses a high-stability laundry gel bead composition and a preparation method thereof, and relates to the field of daily chemicals, and a gel bead formula comprises the following components in percentage by weight: 5-20% of propylene glycol, 5-11% of glycerol, 3-18% of a sulfonic acid neutralizer, 4-15% of fatty alcohol-polyoxyethylene ether, 9-20% of isomeric fatty alcohol-polyoxyethylene ether, 5-30% of sulfonic acid and the balance of water. The cleaning agent is prepared from 5-15% of fatty alcohol-polyoxyethylene ether sulfate, 5-25% of isomeric fatty alcohol-polyoxyethylene ether sulfate, 1-2% of essence, 0.5-2% of compound enzyme, 0.2-1% of bacteriostatic agent and 5-13% of process water. The gel bead prepared according to the formula and the preparation method disclosed by the invention has the characteristics of cold resistance, heat resistance, dry resistance, moisture resistance, pressure resistance and low breakage rate.

The invention belongs to the field of microbiological detection, and discloses a rapid detection chromogenic culture medium for pseudomonas, and the chromogenic detection culture medium comprises a chromogenic substrate, an endogenous enzyme promoter, a basic culture medium and a bacteriostatic agent. Specifically, the pseudomonas can react with a chromogenic substrate, so that a bacterial colony is blue-green, and other non-pseudomonas does not grow or weakly grow under the action of a bacteriostatic agent, or the chromogenic substrate different from the pseudomonas is utilized to display purple red or other colors which are inconsistent with the color of the pseudomonas bacteria, so that the pseudomonas bacteria can be distinguished, and the pseudomonas bacteria can be distinguished. And rapid separation and identification are realized. According to the rapid detection chromogenic culture medium for the pseudomonas, the glycoside chromogenic substrate and the endogenous enzyme accelerant are utilized, the problem that when the rapid detection chromogenic culture medium for the pseudomonas is prepared, the pseudomonas has chromatic aberration or does not have color development is solved, and the blank of the rapid detection chromogenic culture medium for the pseudomonas in the domestic market is filled.

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 a bacteriostatic agent as well as a preparation method and application thereof, and relates to the technical field of bacteriostasis and preservation. The preparation method comprises the following steps: 1) adding chitosan into an acetic acid aqueous solution, and stirring to obtain a chitosan solution; 2) adding glycerol into the chitosan solution, and uniformly stirring to obtain a mixed solution A; 3) dissolving borneol essential oil in ethanol to obtain a borneol essential oil alcoholic solution; (4) dropwise adding the borneol essential oil alcoholic solution into the mixed solution A, and stirring to obtain a mixed solution B, and (5) adding tween-80 and clathrate 1-methylcyclopropene into the mixed solution B, and uniformly mixing to obtain the bacteriostatic agent. The bacteriostatic agent prepared by the preparation method has the characteristics of low cost, environmental protection, efficient bacteriostasis and the like, and can be used for fresh keeping of vegetables and fruits.

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 provides a short-chain antibacterial peptide with anti-Candida albicans activity and application of the short-chain antibacterial peptide. The antibacterial peptide is a derivative peptide Pm-2W modified from an antibacterial peptide obtained from Hainan ubiquitous frog. Belongs to the field of application of peptide antibiotics. Antibacterial peptide is modified to obtain the derivative peptide Pm-2W; the Pm-2W disclosed by the invention has efficient activity of resisting candida albicans; the Pm-2W has anti-Candida albicans biofilm activity, is not easy to induce drug resistance, has high stability and low hemolytic toxicity, can be applied to preparation of drugs or bacteriostatic agents for treating Candida albicans infection and the like, and has a good application prospect.