82 results about "Cinnamic aldehyde" patented technology

The invention relates to the technical field of polyester fibers, in particular to a preparation method of antibacterial modified polyester fibers, the prepared antibacterial modified polyester fibers have excellent antibacterial performance, a multi-layer antibacterial system is formed by introducing a nano-zinc oxide and Schiff base compound antibacterial agent into the polyester fibers, and the antibacterial performance of the polyester fibers is improved. Nano zinc oxide and copper / zinc oxide particles have broad-spectrum antibacterial property and can destroy cell walls and cell membranes of bacteria so as to achieve the antibacterial effect, and Schiff base as an organic antibacterial agent can be combined with receptors on the cell membranes of the bacteria to enhance the antibacterial effect; chitosan and cinnamyl aldehyde are adopted as raw materials for preparation of the Schiff base, and the two substances have good biocompatibility and degradability, so that the Schiff base compound antibacterial agent is safer and more environmentally friendly in the fiber; the nano zinc oxide, the copper / zinc oxide particles, the chitosan, the cinnamyl aldehyde and the like in the raw materials are all environment-friendly materials and are good in degradability, and environmental pollution and ecological damage can be reduced.

The application discloses a preparation method of superfine nanofiber antibacterial and mosquito-repellent high-efficiency low-resistance air filtration membrane, which comprises the following steps: dissolving cellulose acetate, cinnamyl aldehyde and polyhexamethylene biguanide hydrochloride in a solvent, fully stirring to form a spinning solution, wherein the solvent is a mixed solution of acetone, N, N-dimethylacetamide and water; and performing electrostatic spinning on the spinning solution to obtain the superfine nanofiber antibacterial and mosquito-repellent high-efficiency low-resistance air filtration membrane. The manufacturing steps of the application are simple and not complicated; cellulose acetate has excellent mechanical properties, hydrophobicity and thermal stability, and is an ideal material for air filtration membrane; the liquid property of cinnamyl aldehyde can effectively dilute cellulose acetate, so that the overall binding energy of the mixed solution system is reduced, the diameter of the prepared fiber is reduced, and meanwhile, the mild binding force of cinnamyl aldehyde minimally affects the interaction between cellulose acetate molecules.

The invention relates to the field of silkworm breeding, in particular to a composite disinfection method suitable for a silkworm house and a silkworm rearing instrument. The composite disinfection method comprises the following steps: S1, carrying out physical and chemical combined preliminary disinfection; S11, cleaning and airing a movable instrument, and cleaning and disinfecting the silkworm house by using ultraviolet rays; s12, disinfecting the movable appliance and the silkworm house by using a chemical agent; s2, deep disinfection is conducted, specifically, a cinnamyl aldehyde and potassium permanganate mixed solution is taken to disinfect a silkworm house, then sulfur powder is used for fumigation disinfection, exhaust is conducted till no pungent smell is left, and the cinnamyl aldehyde and potassium permanganate mixed solution is prepared from cinnamyl aldehyde, water and potassium permanganate according to the volume ratio of 3-4: 5: 1-2; s3, disinfection before the silkworm period. Compared with the prior art, the disinfection method has the advantages that after the silkworm room and the silkworm rearing instrument are disinfected, few sedimentation bacteria are detected on the silkworm room and the silkworm rearing instrument, nuclear polyhedrosis viruses are not detected in silkworm bodies, the silkworm death rate is reduced to 0.3-1.1% and is far lower than that of other disinfection methods when the silkworm room or the silkworm rearing instrument is used for trial breeding of silkworm eggs, and the effect is extremely good.

The invention belongs to the technical field of traditional Chinese medicine wine preparation, and particularly relates to traditional Chinese medicine compound wine and a preparation method thereof. The traditional Chinese medicine compound wine is prepared from the following raw materials in specific parts by weight: rhizoma polygonati, Chinese yam, raspberry, fructus lycii, cinnamon, astragalus membranaceus and the like through base wine extraction. The preparation method comprises the following steps: pretreating raw materials, mixing the pretreated raw materials with base liquor, sequentially carrying out ultrasonic treatment, composite enzymatic hydrolysis under a weak acid condition and reflux extraction to promote the nucleophilic addition of cinnamyl aldehyde, citral, polygonatum polysaccharide and Chinese yam saponin to form a hemiacetal structure, and cooperating with organic acid and polysaccharide to construct a hydrogen bond network to form a stable compound system; and filtering the extracting solution, carrying out stepped variable-temperature aging, blending and filling to obtain the traditional Chinese medicine compound wine. The dissolution rate and stability of active ingredients are effectively improved, the problems that traditional medicinal liquor is prone to precipitation, low in bioavailability and poor in taste are solved, and meanwhile the traditional Chinese medicinal liquor has the comprehensive effects of improving the immunity, moistening the lung, nourishing yin and tonifying yang.

The invention belongs to the technical field of postharvest preservation of agricultural products, and discloses a preservative-callus difunctional synergistic regulation particle for broken stems of fresh ginger, the regulation particle is prepared from a regulation particle core capsule and loose porous sand-like particles in a mass ratio of 1: 3, and the regulation particle core capsule comprises the following components in parts by mass: hypochlorous acid; ascorbic acid; cinnamyl aldehyde; the carrier is hydroxypropyl-beta-cyclodextrin; the loose porous sand-like particles comprise modified diatomite; modifying vermiculite; initiator: barium chloride solution and sodium sulfate solution; and the binder is sodium carboxymethyl cellulose. According to the preservative-callus dual-function synergistic blending particle for the broken stems of the fresh gingers, the synergistic effect of ClO2-VC-CA and porous sand-like physical protection are combined, the means of directly soaking and spraying the ginger surface with a traditional preservative is replaced, and the preservative-callus dual-function synergistic blending particle is used for callus of the broken stems of the fresh gingers and preservative and fresh-keeping of the fresh gingers. The rotting rate of the fresh ginger in the storage period can be reduced to 1t; and the shelf life is prolonged to more than 6 months.

The invention belongs to the field of anti-tumor compounds, and particularly relates to cinnamyl aldehyde / polygonatum polysaccharide-Pickering emulsion which is prepared from the following raw materials in dosage: cinnamyl aldehyde, olive oil, polygonatum polysaccharide and zein. The preparation method of the cinnamyl aldehyde / polygonatum polysaccharide-Pickering emulsion comprises the following steps: S1, dissolving cinnamyl aldehyde in olive oil to serve as an oil phase, and dissolving polygonatum polysaccharide in zein to serve as a water phase; and S2, mixing the water phase and the oil phase, and carrying out ultrasonic treatment on the mixed solution to obtain the cinnamyl aldehyde / polygonatum polysaccharide-Pickering emulsion. The invention further discloses application of the compound in preparation of anti-tumor drugs. The problems that in the prior art, cinnamyl aldehyde is poor in solubility, poor in stability and difficult to prepare medicines can be solved, the solubility of cinnamyl aldehyde and the stability of cinnamyl aldehyde in gastrointestinal tracts can be remarkably improved, and the cinnamyl aldehyde pharmaceutical composition has a good anti-tumor effect and has sensitization and synergistic interaction effects on chemotherapy.

The utility model relates to the technical field of cinnamyl aldehyde extraction, and provides a cinnamyl aldehyde separation and extraction device which comprises a controller and a turnover mechanism. According to the cinnamyl aldehyde separating device, the first grinding roller, the first motor, the second grinding roller and the second motor are arranged, raw materials are preliminarily crushed through the first grinding roller, large particles obtained after crushing are crushed again through the second grinding roller, it is guaranteed that the crushed particles are uniform in size, the cinnamyl aldehyde separating efficiency is improved, the screening plate and the vibrators are arranged, and the vibrators work, so that the separating efficiency of cinnamyl aldehyde is improved. The screening plate is driven to vibrate, raw materials crushed by the first grinding roller are screened, large particles are left above and then enter the second grinding roller along with vibration for secondary crushing, the vibration in the funnel can be counteracted through the arrangement of the flexible connection, the vibration is prevented from influencing the work of the extraction tank, and through the arrangement of the connecting seat, the heater and the protection pipe, the extraction tank is prevented from being damaged. Water enters the extraction tank from the electromagnetic valve, the heater works, heat is transferred into the mixed liquid through the protection pipe, and the interior is heated.

The invention belongs to the technical field of catalysts, and relates to preparation and application of a supported Pt-based alloy catalyst. The Pt-based alloy is confined in a KIT-6 mesoporous channel through a double-solvent impregnation method, and a metal precursor preferentially enters the channel by utilizing competitive adsorption of a hydrophilic solvent and a hydrophobic solvent, so that uniform distribution of metal particles in the channel is realized, and agglomeration of the metal particles on the outer surface of the carrier is effectively avoided. Rich silicon hydroxyl on the surface of the KIT-6 carrier is used as an anchoring point, so that the interaction between metal and the carrier is enhanced, and the stability of the catalyst is improved. The Pt-based alloy catalyst prepared by the invention shows excellent C = O bond selectivity in the selective hydrogenation reaction of cinnamyl aldehyde, and the preparation process is simple, easy to amplify and good in industrial application prospect.

The invention discloses an emulsion gel type bread butter substitute with natural antibacterial activity and a preparation method of the emulsion gel type bread butter substitute, and belongs to the field of food processing. The preparation method of the emulsion gel comprises the following steps: (1) respectively dissolving cinnamyl aldehyde, tannic acid and zinc acetate, performing mixed ultrasonic treatment, adding a chitosan solution, mixing, and uniformly stirring to obtain a cinnamyl aldehyde-tannic acid-chitosan ternary composite particle suspension as a water phase; (2) dissolving curcumin in soybean oil, and performing ultrasonic treatment to completely dissolve curcumin as an oil phase; (3) mixing the water phase solution with the oil phase and the glycyrrhizic acid solution, and shearing and stirring at a high speed to obtain emulsion gel; (4) using the emulsion gel as a butter substitute for preparing toast bread; the prepared emulsion gel can prolong the shelf life of bread while replacing butter in the bread, and has the application potential of replacing synthetic preservatives.

According to the antibacterial and printable modified transparent packaging film provided by the invention, aminated cinnamyl aldehyde is introduced into a polyurethane coating as an antibacterial and fresh-keeping component, and free cinnamyl aldehyde is released through water vapor in air, so that the function of inhibiting growth of microorganisms on the surface of the coating for a long time is realized. The antibacterial component can effectively reduce the activity of bacteria and molds on the surfaces of the fruits, so that the storage life of the fruits is prolonged, the preservation effect of the fruits is improved, meanwhile, the adhesive force, the mechanical property and the printability of the coating are not affected, all the raw materials are industrial-grade raw materials, and the manufacturing cost and the use cost are reduced.

The invention discloses a preparation method of a high-precision developing antibacterial intelligent film developed based on alizarin. The preparation method of the intelligent film comprises the following steps: dissolving alizarin in an ethanol solution to obtain an alizarin ethanol solution; adding polyvinylpyrrolidone and ethyl cellulose, and uniformly mixing to obtain a shell spinning solution; mixing cinnamyl aldehyde and polyoxyethylene with water and ethanol to obtain a core layer spinning solution; and preparing the film by using a coaxial electrostatic spinning technology. According to the invention, the shell layer is a film with moderate hydrophobicity obtained by mixing a hydrophilic material and a hydrophobic material, and alizarin is added as a color developing substance, so that an obvious color developing effect is realized. Cinnamyl aldehyde is added into a core layer solution, so that the film has antibacterial and antioxidant functions; the fibers with the core-shell structure are prepared through the coaxial electrostatic spinning technology, cinnamyl aldehyde can be wrapped, release of cinnamyl aldehyde is slowed down, and the antibacterial effect of the intelligent film is enhanced.

According to the method for preparing cinnamyl alcohol through cinnamyl aldehyde hydrogenation, isopropyl alcohol is adopted as a hydrogen source and a solvent of a reaction system, precious metal modified TiO2-CeO2 is adopted as a catalyst, and cinnamyl aldehyde is subjected to selective hydrogenation under visible light and normal temperature and pressure to synthesize cinnamyl alcohol. According to the invention, isopropanol is used as a hydrogen source and a solvent, so that high-pressure hydrogen is avoided, and potential safety hazards in the reaction process are remarkably reduced; the precious metal modified TiO2-CeO2 can be excited under visible light, normal temperature and normal pressure to perform selective hydrogenation on cinnamyl aldehyde to synthesize cinnamyl alcohol; according to the present invention, the use amount of the noble metal in the hydrogenation reaction system is significantly reduced, the conversion rate of the selective hydrogenation is high, the good economy and sustainability are provided, the preparation process is simple, the industrial mass production is easily achieved, and the green chemical development direction is met.

The present application relates to cinnamyl aldehyde selective hydrogenation technical field, specifically to a kind of Pt nanoparticle supported porous SiC catalyst and its application in cinnamyl aldehyde hydrogenation reaction.The selectivity of cinnamyl alcohol is lower in conventional cinnamyl aldehyde selective hydrogenation reaction, it is difficult to reach more than 90%.For the above technical problem, the present application provides a kind of Pt nanoparticle supported porous SiC catalyst, mainly utilizes acid etching method to carry out porous modification to polycrystalline SiC, by adjusting the Si / C ratio of its surface to enhance the hydrogen overflow concentration of the obtained catalyst Pt / SiC surface, Pt nanoparticle in the channel of catalyst can preferentially adsorb C=O bond in reaction and make it active, so as to realize the high activity of the obtained catalyst in cinnamyl aldehyde hydrogenation reaction and the high selectivity of cinnamyl alcohol product.

The invention belongs to the technical field of catalysts, and particularly discloses a quantum dot modified Pt / SiC catalyst as well as a preparation method, an activation method and application thereof. Quantum dot modified SiC serves as a carrier of the catalyst, Pt is loaded on the surface of the carrier through a liquid phase reduction method, the quantum dot modified Pt / SiC catalyst is obtained, and through modification of CeO2 QDs, adsorption of C = O in cinnamyl aldehyde is enhanced. The invention also provides a method for improving the hydrogenation performance by using a hydrogen overflow activated catalyst, and the Pt / CeO2 QDs-SiC catalyst subjected to activation pretreatment further enhances the adsorption of C = O and improves the hydrogenation selectivity, so that the cinnamyl aldehyde can be efficiently and selectively hydrogenated to generate cinnamyl alcohol under milder conditions.

The present application relates to the application of cinnamyl aldehyde and compositions containing the same in the prevention and treatment of parasitic ticks. The present application relates to the field of biocides. The present application first discovers that cinnamyl aldehyde has insecticidal activity on ticks, especially Ixodes, and is safe to the host of the ticks, white star flower beetle adults, at a certain dose, so that cinnamyl aldehyde can be used as an insecticide for ticks. Further, the present application also discovers that although vermiculite has no insecticidal activity on ticks, when cinnamyl aldehyde is added to vermiculite, the composition of cinnamyl aldehyde and vermiculite is used to prevent and treat ticks, and vermiculite can improve the insecticidal effect of cinnamyl aldehyde. Combined with the soil burrowing habit of white star flower beetle adults, vermiculite coincidentally provides a shelter for them, which provides operability for the prevention and treatment of parasitic ticks.

The application provides a modified Zein Pickering emulsion, a preparation method thereof and application of the Pickering emulsion in fresh-keeping of sandgrass at room temperature, and belongs to the technical field of food fresh-keeping. The preparation method comprises the following steps: Zein is added into an alkaline solution for amino treatment, and after high-temperature reaction, the solution is cooled and the pH value of the solution is adjusted. After removing impurities, the solid sample is obtained through freeze-drying; the obtained sample is added into water together with another natural extract for reaction, the solution is transferred after a period of time, and impurities are removed, and then the modified Zein polymer coating is obtained through freeze-drying; the modified Zein material is added into water together with cinnamyl aldehyde, and after emulsification by using an ultrasonic homogenizer, the target Pickering emulsion is obtained. The Pickering emulsion obtained by the application has the advantages of sustained drug release, high external tolerance, anti-freeze-thaw cycle, excellent sterilization performance and outstanding antioxidant performance, and can be applied to fresh-keeping of sandgrass at room temperature.

The invention relates to a carrier for realizing long-acting controlled release of cinnamyl aldehyde based on synergism of bacterial cellulose and polylactic acid, a preparation method of the carrier and application of the carrier in fresh keeping of fruits and vegetables, and the preparation method comprises the following steps: firstly, placing the bacterial cellulose in a deep eutectic solvent system containing citric acid, glycerol and choline chloride, and heating for reaction to obtain CABC; then, the CABC is placed in an activation system containing the 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide and the N-hydroxysuccinimide, and CABC-ONH2 is obtained; then, the CABC-ONH2 and cinnamyl aldehyde are subjected to an oximation reaction, and CABC / CIN is obtained; and finally, mixing CABC / CIN with polylactic acid to form a film, so as to obtain the bacterial cellulose / polylactic acid synergistic cinnamyl aldehyde long-acting controlled release carrier. Compared with the prior art, initial burst release of CIN in the degradable carrier is effectively reduced, and the release stability and activity retention rate in the middle and later periods are improved; the cooperative processing suitability with PLA is improved; the antibacterial and antioxidant effects are simultaneously realized in the fruit and vegetable fresh-keeping application.

The invention belongs to the technical field of preparation of feed additives, and relates to a microcapsule embedding composite essential oil preparation device, a microcapsule embedding composite essential oil preparation method and essential oil, the microcapsule embedding composite essential oil preparation device provided by the invention is characterized in that a premixing stirrer, a vacuum container, an emulsification assembly, a centrifugal pump and a spray drying granulator are connected through a pipeline conveying device; through a conveying pipe and a stirring tank of the pipeline conveying device, conveying, adding and mixing of materials are achieved, and preparation of the composite essential oil is achieved. Meanwhile, the microcapsule embedded compound essential oil for the feed is prepared by compounding cinnamyl aldehyde, eugenol, thymol, carvacrol and tea tree essential oil according to a certain proportion, the problem that single essential oil is single in effect is solved, and the microcapsule embedded compound essential oil has the effects of resisting oxidation, reducing stress and promoting reproductive organ development of laying ducks, so that the laying rate is increased, and the egg quality is improved.

The invention discloses an ultraviolet light double-effect self-repairing type polymer fragrance releasing material and a preparation method thereof. The ultraviolet light double-effect self-repairing type polymer fragrance releasing material is prepared by mixing a film forming base material A and an active component B, the film-forming base material A comprises the following components in parts by mass: 45-55 parts of acrylic resin, 4-6 parts of hollow glass beads, 4-6 parts of dextrin, 6-8 parts of a coalescing agent, 10-14 parts of epoxy resin and 8-12 parts of ionized water; the active component B is prepared from the following components in parts by mass: 8 to 12 parts of cinnamyl aldehyde, 8 to 12 parts of methyl aminobenzoate, 2 to 3 parts of allicin, 2 to 4 parts of an ultraviolet light absorber, 2 to 4 parts of an ultraviolet light isolating agent and 18 to 22 parts of ionized water. The high-molecular fragrance-releasing material prepared according to the ratio can resist ultraviolet erosion, can dynamically self-repair after tiny cracks appear on the surface, and can keep stability and relatively strong adhesive force in different environments of high and low temperatures, so that a long-term stable bird repelling effect is realized.

The application provides a method for determining components in Gushen Dingchuan Pills and application thereof. In the preparation process of the sample to be determined, the mixed solvent composed of water and organic solvent is used to ultrasonically extract the Gushen Dingchuan Pill powder, and then cold soaking and layering are performed, so that the influence of other components on the separation and stability of volatile components in the Gushen Dingchuan Pill can be significantly reduced, the separation stability of the volatile components in the Gushen Dingchuan Pill is significantly improved, and the separation time is shortened. The method provided by the application can quantitatively analyze seven chemical components (borneol acetate, camphor, borneol, cinnamic aldehyde, paeonol, alpha-pinene and linalool) in the Gushen Dingchuan Pill, and realizes qualitative and quantitative determination at the same time.

The application provides a method for controlling long mildew of postharvest sweet potato, which comprises the following steps: placing the sweet potato in a closed space filled with carbon dioxide, then continuously fumigating the sweet potato with cinnamyl aldehyde, and finally storing the sweet potato in a room temperature environment. The application adopts the combination of carbon dioxide and cinnamyl aldehyde to store the postharvest sweet potato, which can effectively prolong the storage time of the postharvest sweet potato, and the carbon dioxide treatment can close the stomata on the surface of the sweet potato, so that the flavor of the sweet potato is not affected after the cinnamyl aldehyde fumigation. The method has the advantages of safety, high efficiency, green environmental protection and the like.

The invention relates to the technical field of nutrient solutions, in particular to a nutrient solution suitable for hydroponic plants and a preparation method of the nutrient solution. The nutrient solution comprises the following raw materials in parts by weight: 40-60 parts of a compound nutrient, 10-20 parts of an additive, 10-20 parts of biogas slurry and 10-20 parts of powder. According to the nutrient solution, additives are added in the preparation process of the nutrient solution, cinnamyl aldehyde in the cinnamon powder is utilized, cinnamyl aldehyde has good broad-spectrum antibacterial performance and has a good inhibiting effect on common root rot fungi in hydroponic plants, chitosan can be combined with bacterial cell membranes by means of positive charges of chitosan, osmotic pressure balance is destroyed, and the nutrient solution has a good antibacterial effect on the hydroponic plants. Due to the addition of citric acid, the solubility of chitosan can be enhanced, the effect of synergistically inhibiting the growth of bacteria is achieved, the infection of rotten roots and fungi is blocked, meanwhile, the colonization of beneficial microorganisms of the hydroponic plant root system is promoted, the root rot of the hydroponic plant root system is avoided, and the growth stability of the hydroponic plant is effectively improved.

The invention discloses a preparation method of a chitosan / egg white composite antibacterial film and application of the chitosan / egg white composite antibacterial film in grape preservation, and belongs to the technical field of food packaging and the technical field of grape preservation. The method comprises the following steps: mixing cinnamyl aldehyde, cyclodextrin, cinnamyl aldehyde and ultrapure water, performing ice-bath ultrasonic treatment to obtain a reaction solution, and cooling and drying the reaction solution to obtain a cinnamyl aldehyde-cyclodextrin inclusion compound; mixing chitosan powder, egg white powder and the composite solution to obtain a chitosan-egg white film solution; and mixing the cinnamyl aldehyde-cyclodextrin inclusion compound and the chitosan-egg white film solution to obtain the chitosan / egg white composite antibacterial film. The chitosan / egg white composite antibacterial film prepared by the invention can effectively delay the quality deterioration of picked grape fruits, improve the intact fruit rate, maintain the fruit hardness and reduce the browning degree of fruit stems. The prepared chitosan / egg white composite antibacterial film is good in preservation effect, has excellent antibacterial ability and improved physical and chemical properties, is green and safe, and can realize efficient preservation of grapes.

The invention provides a method for improving the production efficiency of weaned piglets after long-term transportation, and belongs to the technical field of livestock breeding. Comprising the following steps: (1) after transportation is completed, determining a drinking water additive according to transportation time t and transportation temperature T; the drinking water additive comprises one or more of ginger powder, an astragalus extract, vitamin C, cane sugar and cinnamyl aldehyde; (2) after the transportation is completed, performing staged feeding management on the weaned piglets; 3, within 6-8 days after transportation is completed, air aerosol is sprayed to the pig house every day; the air aerosol comprises the following components: benzalkonium bromide and rosemary essential oil. According to the method, heat stress or transportation stress possibly generated in the transportation process of the weaned piglets can be relieved, the survival rate of the piglets from the transportation completion to the nursing stage is increased, the diarrhea rate is reduced, the fattening period is shortened, and the production and economic benefits are remarkably improved.

The invention provides an SA-Cin CD-MOF / CS-PVA preservative film and a method and application thereof, and the method comprises the following steps: adding a stearic acid modified cinnamyl aldehyde loaded cyclodextrin metal organic framework into a chitosan-polyvinyl alcohol solution, and uniformly dispersing to obtain a film forming solution; and preparing a film from the film forming solution, and drying to obtain the SA-CIN coated CD-MOF / CS-PVA preservative film. According to the design, stearic acid is ingeniously utilized for modification, so that the problem that the structure of gamma-CD-MOF loaded with cinnamyl aldehyde essential oil is unstable in a water-phase film forming environment is solved, and the comprehensive performance of a film matrix is synergistically improved. The finally prepared preservative film has remarkable advantages in the aspects of prolonging the shelf life of food and reducing waste, and a new path with a promising prospect is provided for developing an efficient and sustainable food preservation technology and replacing petroleum-based plastics.

The invention discloses a GC-MS (Gas Chromatography-Mass Spectrometer) method for determining effective components in an aromatic Wentong formula. A chromatographic column is a capillary column; a temperature programming method is adopted; the ionization mode in the mass spectrum condition is electron impact ionization, and the acquisition mode is scanning. According to the method disclosed by the invention, the active ingredients of the aromatic Wentong prescription can be effectively separated in a gas chromatograph through a specific heating program in combination with specific sample inlet temperature, chromatographic column temperature and split ratio and can be better focused and enter a mass spectrometer at the same time, and under the participation of specific mass spectrometry conditions, the effective separation of the active ingredients of the aromatic Wentong prescription can be realized. According to the present invention, with the method, the interference of the cinnamyl aldehyde, the alpha-caryophyllene, the methyleugenol and the ligustilide in the chromatogram can be eliminated, the signal strength and the sensitivity are high, the accurate quantification of the four components such as the cinnamyl aldehyde, the alpha-caryophyllene, the methyleugenol and the ligustilide is finally achieved, the reference basis is provided for the quality control of the aromatic warming and dredging formula, and the practical application value is provided.

The application discloses a Janus structure one-way antibacterial composite film material with humidity and pH dual response and a preparation method and application thereof, and belongs to the technical field of antibacterial materials. The application first adopts a chitosan system and a cinnamon aldehyde ethanol solution to be stirred and mixed, then polyvinylpyrrolidone is added to obtain a hydrophilic inner layer spinning solution; then polycaprolactone is dissolved in a mixed solution of N,N-dimethylformamide and dichloromethane to obtain a hydrophobic outer layer spinning solution; then electrospinning is sequentially performed to obtain a composite film precursor with a double-layer nanofiber structure, and then hot pressing is performed to obtain a composite film, and then secondary electrospinning is performed, and finally the antibacterial composite film material of the application is obtained. The material has a Janus structure, the humidity / pH dual response of the hydrophilic layer is utilized to realize directional release of the antibacterial agent cinnamon aldehyde, polycaprolactone is used as the hydrophobic layer to ensure one-way delivery and barrier performance, the preparation process is simple and controllable, the antibacterial efficiency of the composite film is high, and the composite film can be used in fields such as fruit and vegetable preservation.

The invention discloses an antibacterial toothbrush wire material and a preparation method thereof. The brush wire material comprises a thermoplastic polymer matrix and at least one of zinc cinnamate, calcium cinnamate or magnesium cinnamate dispersed in the thermoplastic polymer matrix. The cinnamic acid metal salt is excellent in thermal stability in a brush wire melting processing process, and the problem of antibacterial failure caused by high-temperature volatilization of traditional cinnamyl alcohol or cinnamyl aldehyde can be effectively avoided; after being formed, the brush wires are subjected to alkaline damp-heat post-treatment, so that the cinnamic acid metal salt can be partially hydrolyzed, cinnamic acid substances are released, and the cinnamic acid substances are enriched on the surface layers of the brush wires; in a subsequent oral use environment, the substance is further converted into cinnamyl alcohol or cinnamyl aldehyde with high antibacterial activity, so that the antibacterial efficiency is remarkably improved. The antibacterial rate of the obtained brush wire on common oral pathogens such as staphylococcus aureus is larger than or equal to 88%, the mechanical property is excellent, and various colors such as red, blue and green can be achieved by adding pigments. The technical problem that the natural cinnamon antibacterial agent is difficult to apply to the high-temperature spinning process is solved, and the method has functionality and attractiveness and is suitable for industrial production.

The application discloses a kind of multiple network synergistic enhancement soy protein adhesive and its preparation method, belong to biological base adhesive technical field.The method with soy protein isolate (SPI) as main body, by pH induction realizes network's step-by-step construction: first by citric acid modified bentonite (CAB) and SPI between by hydrogen bond and metal coordination effect form first network;Then by dialdehyde cellulose (DAC) aldehyde group and SPI amino group occur Schiff base reaction and form covalent crosslinking second network;Finally, join the natural cinnamon aldehyde (CA) without chemical modification, by Schiff base reaction and Michael addition reaction form third crosslinking network, to build "hydrogen bond-coordination bond-covalent bond" multiple synergistic enhancement structure.DAC simultaneously as CAB nanosheet layer dispersion carrier and covalent crosslinking agent play dual function.The wet shear strength of the obtained adhesive is 1.31-1.56 MPa, the mildew-proof cycle is 26-32 days, the water absorption is less than or equal to 3.2%, and the residual rate is greater than or equal to 96.1%.The raw material of the application is green and environment-friendly, and the process is simple, without the need for pre-chemical modification of components, and can be widely applied in plywood and wood composite manufacturing field.

The invention belongs to the field of biological medicine, and particularly relates to a preparation method of a multi-component nano-drug based on a ruthenium complex and application of the multi-component nano-drug in tumor resistance. The preparation method is characterized in that a solvent-anti-solvent method is adopted, a ruthenium complex and various active drugs are self-assembled and combined by means of weak interaction among molecules, and the carrier-free full-active multi-component nano-drug is constructed. The nano-drug is loaded with two synergistic drugs, namely a phototherapy drug ruthenium complex, an oxidative stress amplifying agent cinnamyl aldehyde and a DNA repair inhibitor olaparib. The nano-drug preparation is uniform and stable, can be stored for a long time, is high in biological safety, and can effectively solve the problems that the ruthenium complex is poor in water solubility and low in bioavailability, and drug resistance is easily caused by single medication. Meanwhile, by means of the synergistic effect of multiple drugs, the multi-component nano-drug further strengthens the anti-tumor effect, and a new thought can be provided for developing a safe and efficient tumor treatment strategy.