21results about How to "Improve antibacterial" patented technology

The invention discloses a cordycepin derivative as well as a preparation method and application thereof. The structural general formula of the cordycepin derivative is # imgabs0. The cordycepin derivative provided by the invention is structurally modified by adopting a special group, so that not only is the stability of the cordycepin derivative improved, but also the biological activities of bacteriostasis, inflammation resistance, oxidation resistance, tumor resistance and the like are remarkably improved. Besides, the cordycepin derivative provided by the invention has certain selectivity on strains, especially on certain beneficial bacteria, in the aspect of bacteriostasis, and the application range of the cordycepin derivative is expanded.

The invention relates to a composition for relieving, repairing, tightening and resisting wrinkles as well as a preparation method and application of the composition. The composition is composite fermented oil obtained by fermenting vegetable fat by adopting a combination of enterococcus monteilii and pichia pastoris. In the fermentation process, lemon leaves and pseudo-ginseng leaves are added at the same time, and microbial fermentation liquor with special effects is prepared; and then mixing the fermentation liquor with silybum marianum seed oil, green tea oil, jojoba oil, macadamia nut oil, hazelnut oil and rice germ oil to prepare the compound fermentation oil. According to the method, the glycolipid surfactant is creatively added in the fermentation process, so that full contact and fermentation of the microbial bacterial liquid and the vegetable oil are remarkably promoted, and the problem that the microbial bacterial liquid and oil are difficult to mix in the vegetable fat fermentation process is solved, so that the contact efficiency between microorganisms and the vegetable oil is improved; the biotransformation efficiency is improved; furthermore, the content of flavonoids and polyphenols in the fermented oil is increased, and the moisturizing, whitening, soothing, tightening and anti-wrinkle properties of the fermented oil are enhanced.

The invention discloses a cartilage repair hydrogel material and a preparation method thereof, and relates to the technical field of biomedical materials. The preparation method comprises the following steps: adding a vitamin E water-soluble derivative D-alpha-tocopherol polyethylene glycol 1000 succinate, T-ZIF-8 modified by 2, 4-toluene diisocyanate and Mg-MOF modified by SIKVAV peptide into a mixed solution obtained by compounding silk fibroin peptide, oxidized chondroitin sulfate and 3-aminophenylboronic acid, and carrying out crosslinking under ultraviolet light, so as to obtain the cartilage repair hydrogel material. The hydrogel material prepared by the method has a three-dimensional complex cross-linked structure and is high in mechanical property and stability; through the synergistic effect of the components, an adhesion group and a hydrophilic group are created for the surface of the hydrogel material, the binding opportunity of bone cells and the surface of the hydrogel material is increased, adhesion and proliferation of the bone cells are promoted, rejection reaction of tissues to metal materials is reduced, inflammatory reaction is reduced, and collagen secretion and cartilage regeneration are promoted.

The invention provides a kidney-tonifying direct drinking powder based on eucommia male flower L-arginine and a production process thereof, and relates to the field of solid beverages. The eucommia ulmoides male flower and L-arginine kidney-tonifying direct drinking powder is prepared from the following raw materials in parts by weight: 0.01 to 0.015 part of erythritol, 0.01 to 0.015 part of resistant dextrin, 0.1 to 0.4 part of rhizoma polygonati powder, 0.1 to 0.4 part of rape pollen, 0.1 to 0.2 part of maca powder, 0.05 to 0.16 part of oyster polypeptide, 0.05 to 0.16 part of cordyceps militaris, 1 to 4 parts of eucommia ulmoides male flowers, 0.1 to 0.02 part of raspberries, 0.01 to 0.015 part of folic acid, 0.01 to 0.012 part of taurine, 0.01 to 0.012 part of L-arginine, 0.001 to 0.003 part of L-lysine and 10 to 15 parts of purified water. Through the combination of various raw materials, the beverage has a very good health-care effect on males, enhances the functions of the reproductive system, improves the sperm quality, regulates internal secretion and provides necessary nutrients, and is beneficial to improving the health and pregnancy preparation effect of the males when acting on the bodies of the males together.

The invention relates to the technical field of skin care products, and particularly discloses nourishing, firming, anti-wrinkle and soothing eye cream and a preparation method thereof. The nourishing, firming, anti-wrinkle and soothing eye cream comprises the following components: a humectant, an anti-wrinkle agent, a skin conditioner, a skin repairing agent, an emollient, an emulsifier, an aromatic and a solvent. The skin repairing agent is prepared by compounding hamamelis virginiana water, a bacillus fermentation product, an alteromonas fermentation product extract, Arabic gum, a radix puerariae extract, a cactus extract, an oat bran extract, a radix ophiopogonis root extract, a Chinese herbaceous peony root extract, a scutellaria baicalensis root extract and a wheat seed extract. The method has the advantage of further improving the anti-wrinkle and firming effects.

The invention discloses indigowoad root indigo antibacterial solid soap and a preparation method thereof. The indigowoad root indigo antibacterial solid soap is prepared from the following components in parts by mass: 5-30 parts of indigowoad root powder, 1000-1100 parts of soap base and 36-40 parts of coconut oil. The invention relates to the technical field of daily chemicals. According to the indigo indigo antibacterial solid soap and the preparation method thereof, high-purity indigo indigo powder is specially extracted, and a low-temperature cold soap making method is adopted, so that decomposition of indigo indigo and indirubin under high temperature and strong alkali is greatly avoided, and high efficiency of antibacterial and anti-inflammatory biological activity is ensured; impurities in crude indigo naturalis are removed, the risk of skin allergy and friction is reduced, the compounded soap base also makes the soap foam fine and smooth, and the skin is moist and not tight after the soap is used.

The present invention belongs to the technical field of wastewater treatment in petroleum engineering, and specifically relates to a sulfate-reducing bacteria bactericide and its application. The bactericide comprises the following components and their weight parts: 10-40 parts of dodecyl dimethyl benzyl ammonium chloride, 0-20 parts of glutaraldehyde, 10-30 parts of A bactericide, and 10-80 parts of water; A bactericide is any one of alkyl diquaternary ammonium salt, dodecylguanidine hydrochloride, and hydroxypropyl gemini quaternary ammonium salt modified guanidine. The sulfate-reducing bacteria bactericide of the present invention has a simple composition and a significant bactericidal effect on sulfate-reducing bacteria, especially alkali-resistant and mutated sulfate-reducing bacteria.

The invention discloses a breathable, bacteriostatic and alcohol-proof medical non-woven fabric and a preparation method thereof, and relates to the technical field of non-woven fabrics, the breathable, bacteriostatic and alcohol-proof medical non-woven fabric comprises a skin-friendly layer, a breathable layer and a functional layer, the breathable layer is arranged between the skin-friendly layer and the functional layer, and the skin-friendly layer, the breathable layer and the functional layer are compounded into a whole through hot melting; the functional layer is obtained by spraying antibacterial liquid on the surface of the base cloth and carrying out immersion treatment by using fluorine-containing finishing liquid; by arranging a three-layer structure of the skin-friendly layer, the breathable layer and the functional layer, the functional layer is subjected to antibacterial and alcohol-proof treatment, the functional layer is endowed with excellent antibacterial and alcohol-proof performance, the breathable layer is subjected to mechanical punching treatment to achieve a breathable effect, finally, the composite non-woven fabric is obtained through hot melting, and the prepared composite non-woven fabric is good in hand feeling, skin-friendly, dry and comfortable, and has a good antibacterial and alcohol-proof effect. Meanwhile, the fabric also has excellent breathable, bacteriostatic and alcohol-proof effects.

The invention relates to the technical field of textile fibers, in particular to a flavonoid functional textile fiber and a preparation method thereof. The motherwort microcapsule is prepared by using a motherwort solution, and motherwort is rich in flavone components and can play a good antibacterial effect. Licoflavone and cacumen biotae flavone are also added, and glycyrrhizic acid and liquiritigenin in liquorice also have an excellent bacteriostatic effect; meanwhile, the activity of tyrosinase can be inhibited, the effect of an endothelin antagonist can be played, and oxygen free radical scavenging capacity and antioxidant capacity are achieved. The wormwood fiber and the ES fiber are used for preparing the textile fiber, flavonoid compounds in the wormwood fiber have good anti-oxidation and antibacterial performance, and the performance of the textile fiber can be enhanced by adding the flavonoid compounds into the textile fiber. Finally, the mixed fibers are added into flavone steeping liquor for steeping treatment, dodecafluoroheptyl methacrylate is added into the flavone steeping liquor, the hydrophobicity of the textile fibers is further enhanced, and therefore the antibacterial performance of the fibers is enhanced.

The invention belongs to the technical field of cosmetics, and particularly relates to a natural-source composition with ultraviolet absorption and ultraviolet conversion functions and application of the natural-source composition in cosmetics. The natural source composition provided by the invention comprises a honeysuckle flower extract, a butterflybush flower and leaf extract and a spirulina platensis extract, wherein the mass ratio of the honeysuckle flower extract to the butterflybush flower and leaf extract to the spirulina platensis extract is (5-30): (1-20): (0.01-10). The natural-source composition provided by the invention not only can effectively absorb UVC, UVB and UVA full-wave band ultraviolet light, but also can convert the ultraviolet light into red light beneficial to a human body, so that the effects of resisting inflammation, repairing, fading red light, resisting light damage and resisting light aging are achieved. The natural-source composition provided by the invention is applied to cosmetics and can play a role in sunscreen and synergism. Meanwhile, the composition provided by the invention is natural, green, high in safety, mild and non-irritant, and can be used for children and people with sensitive skin.

The invention discloses a traditional Chinese medicine mud rubbing device, a preparation method thereof, a micro-throttling mixing-continuous extrusion device and application, and belongs to the technical field of traditional Chinese medicine. The traditional Chinese medicine mud rubbing device comprises the following components in percentage by mass: 0.05%-5% of traditional Chinese medicine composition extract powder containing coptis chinensis, 1.2%-3.6% of a thickening agent, 0.5%-2.6% of a cutin stripping agent, 1%-10% of a humectant, 0.01%-0.05% of a perfume product and the balance of water. The traditional Chinese medicine mud rubbing agent keeps the advantages of rapid removal of aged cutin, mildness, no damage to skin, rapid mud formation, tender and smooth skin, no adhesion to body hair, easy washing and the like, and on one hand, the effects of inhibiting bacteria, eliminating dampness, relieving itching and the like are added; on the other hand, the viscosity, large foam removal and bubble removal durability of the product are improved, and the mixing uniformity of the medicine is improved, so that the problem of formability is solved.

This invention discloses a method for preparing a functional polypeptide from Spirulina. The polypeptide provided by this invention has the amino acid sequence shown in Sequence 1 of the sequence listing. The functional polypeptide (YSDITRPG) discovered in this invention from Spirulina is a pure, natural, non-toxic, and harmless microbial-derived substance, and possesses significant ACE inhibitory and colon cancer cell inhibitory effects. It can be used as a blood pressure lowering component or as an active ingredient in colon cancer drugs. It is non-toxic, meets the requirements for pharmaceutical formulation development, and has good market prospects in the pharmaceutical industry.

The invention provides an anal-Thai stock solution traditional Chinese medicine composition and a preparation method and application thereof, and belongs to the technical field of medicine preparation.The preparation method comprises the steps that 5-15 parts by weight of cortex phellodendri, 3-12 parts by weight of radix sophorae flavescentis, 3-10 parts by weight of sophora flower bud, 3-10 parts by weight of honeysuckle, 1-5 parts by weight of sanguisorba officinalis, 3-10 parts by weight of lalang grass rhizome, 3-10 parts by weight of fructus aurantii, 1-5 parts by weight of pseudo-ginseng and 1-5 parts by weight of corydalis tuber are taken; performing soaking, enzymolysis and ultrasonic extraction to prepare the anal-Thai stock solution. The anotei stock solution is used for preparing products in different dosage forms, such as sanitary wet tissues, wet toilet paper, antibacterial spray, antibacterial lotion or antibacterial gel. The anorectal stoste prepared by the invention is exact in curative effect, is prepared by taking genuine traditional Chinese medicinal materials as raw materials according to a reasonable ratio and a modern biological extraction technology, and has good effects of inhibiting bacteria, relieving itching, diminishing swelling and relieving pain on patients suffering from haemorrhoids.

The present invention belongs to the field of topical biological preparations, and specifically relates to a diabetic foot topical dressing and a preparation method thereof. The composition of the topical dressing includes a hydrogel matrix and a liposome; the composition of the hydrogel matrix includes the following components: polyacrylic acid-chitosan-hyaluronic acid composite hydrogel, honey, lactic acid, collagen and glycerol; the composition of the liposome includes the following components: polyvinyl alcohol, phosphatidylcholine, polyvinyl pyrrolidone, nanosilver particles, CeO2 nanozymes, vitamin E and active extracts. The present invention uses lactic acid to regulate the pH of the wound surface, so that CeO2 nanozymes and various active ingredients can play a role in the optimal environment, and the comprehensive performance of moisturizing, antibacterial and promoting tissue regeneration provided by the hydrogel constructed by polyacrylic acid, chitosan and hyaluronic acid, cooperates with CeO2 nanozymes, various plant extracts and nutrients to effectively inhibit bacteria and promote wound healing.

The invention discloses a bamboo fiber composite material bed core and a preparation method thereof, the bamboo fiber composite material bed core comprises a surface layer, a core layer and a protective layer, the surface layer is arranged on the upper surface of the core layer, the protective layer is arranged on the lower surface of the core layer, the surface layer is composed of 40-60% of polylactic acid bi-component low melting point fiber, 15-30% of spinnable bamboo fiber and 20-30% of phase change fiber, and the protective layer is arranged on the lower surface of the core layer. The core layer is composed of 30-45% of polylactic acid bi-component low-melting-point fiber, 30-60% of bamboo fiber crude fiber and 20-30% of antibacterial fiber, and the protective layer is composed of 45-55% of polylactic acid bi-component low-melting-point fiber, 20-30% of non-woven bamboo fiber and 20-30% of Shuelan fiber. The problem that an existing mattress is poor in heat preservation effect is solved, the moisture absorption and dissipation performance cannot be affected, the antibacterial fibers in the core layer are used for improving the bacterium resistance and bacteriostasis of the mattress, and the comfortable elastic fibers of the protection layer further guarantee the constant-temperature performance; the mattress disclosed by the invention has multiple functions of moisture absorption, perspiration, antibiosis, deodorization, constant temperature and static electricity prevention at the same time.

The invention discloses a non-antibiotic antibacterial growth-promoting feed additive for animals and application of the non-antibiotic antibacterial growth-promoting feed additive. The invention relates to a TBHQ (tert-butyl hydroquinone)-carvacrol emulsion which comprises the following components in percentage by weight: 25.0 to 35.0 percent of TBHQ, 25.0 to 35.0 percent of carvacrol, 3.0 to 10.0 percent of vanillin, 25.0 to 40.0 percent of vegetable oil, 0.05 to 0.1 percent of neotame and 2.0 to 5.0 percent of emulsifying solubilizer. The feed is suitable for species including but not limited to pigs, chickens, ducks, quails, pigeons, rabbits, sheep, cattle, fishes, shrimps and the like. In the aspect of improving the immunocompetence and production performance of livestock and poultry, the invention shows an excellent effect, and provides a solid technical basis for non-antibiotic bacteriostatic feed additives.

The present invention proposes a weight loss composition containing mesenchymal stem cells and its preparation method and application, belonging to the field of medical technology. Eurotium cristatum and Lactobacillus plantarum are used to ferment white tea and black tea, probiotics are collected for embedding to obtain embedded probiotics, tea residues are subjected to supercritical fluid extraction, oxidation, extraction to obtain a tea brown composition, fetal bovine serum, dexamethasone, penicillin, streptomycin, magnetic particles, interleukin-2 are added to DMEM culture medium, a culture medium is prepared, a low-frequency magnetic field culture for adipose mesenchymal stem cells is used, separation, a stem cell solution is obtained, and a stem cell microsphere is obtained by embedding, and the supernatant is freeze-dried to obtain a paracrine culture material, and the fermentation product, the tea brown composition, and the embedded probiotics are mixed uniformly to obtain a weight loss composition containing mesenchymal stem cells. Not only has good anti-oxidation, anti-inflammatory, antibacterial and blood sugar and blood lipid regulating effects, but also has a good weight loss effect and has broad application prospects.

The invention discloses a degradable mulching film prepared by compounding starch wastewater with bamboo fibers and a preparation method of the degradable mulching film, and belongs to the technical field of agricultural mulching films. The mulching film is prepared from the following components in parts by weight: 75 to 90 parts of starch wastewater, 20 to 30 parts of bamboo fiber, 10 to 18 parts of polyvinyl alcohol, 18 to 30 parts of glycerol, 8 to 15 parts of cross-linking agent and 5 to 10 parts of filler. The defect that starch is difficult to form a film is effectively overcome, and powerful support is provided for application of biomass starch and bamboo fibers in the field of degradable plastics. In addition, starch wastewater is used as a raw material, so that the production cost can be reduced to a certain extent; the starch wastewater is used as process water of the bamboo fiber reinforced starch-based composite membrane, and the process can also counteract the treatment cost of the starch wastewater.

The present invention relates to a polymer dispersion, in particular to an antibacterial soap-free polymer dispersion and its preparation method and application, comprising the following steps: S1: mixing a first monomer composition a1, a surfactant a2 and an initiator a3; S2: subjecting the emulsion A obtained in step S1 to emulsion polymerization; S3: adding a second monomer composition b1 to the first polymer particle dispersion P1 obtained in step S2; S4: subjecting the mixture B obtained in step S3 to emulsion polymerization; S5: adding a crosslinking agent to the second polymer particle dispersion P2 obtained in step S4 to obtain an antibacterial soap-free polymer dispersion. Compared with the prior art, the polymer dispersion of the present invention does not have free emulsifiers, and various properties are improved; the solid content is high, the film-forming time is short, and the production efficiency is high; there is no amine and no odor; the coating prepared further has a strong killing ability against a variety of microorganisms, and still has a strong bactericidal effect after using an anionic detergent.

This invention provides an antibacterial agent, its preparation method, and its application. The antibacterial agent comprises acyl-modified chitosan hollow microspheres and nano-antibacterial particles loaded on the surface of the modified chitosan hollow microspheres. This application exhibits excellent antibacterial effects. When used as a food packaging bag, it enables the nano-antibacterial particles to diffuse over a long period, thereby providing better antibacterial protection to the core of the food, rather than being limited to the surface.

The invention relates to the technical field of daily chemical products, and particularly discloses soothing and mild shampoo shower gel for infants and children and a preparation method of the soothing and mild shampoo shower gel. The invention relates to soothing and mild shampoo shower gel for infants and children. Comprising the following raw materials: water, disodium laureth sulfosuccinate, sodium lauroamphoacetate, cocamidopropyl betaine, coco-glucoside, a pH regulator, a chelating agent, sodium benzoate, a thickening agent, an emollient, a soothing anti-allergic agent, starch hydroxypropyl trimethyl ammonium chloride, hydrogenated starch hydrolysate, a lilium fortunei bulb extract and a white birch leaf extract. The toothpaste is prepared from a rhizoma imperatae extract, a sedum sarmentosum extract, panthenol, sodium chloride, an odorant, phenoxyethanol and ethylhexylglycerin. The soothing and mild shampoo shower gel for infants and children not only has a good cleaning effect, but also is mild and non-irritant, and is especially suitable for infants and children of 0-12 years old and other people with sensitive skin to use.