24 results about "Plant volatile" patented technology

The invention discloses a pheromone binding protein derived peptide capable of effectively monitoring sex pheromones of fall webworms and a biosensor, and belongs to the field of biosensors. At present, methods such as sample plot survey and sex traps commonly used in fall webworm monitoring have the problems of poor timeliness, high labor cost, insufficient data continuity and the like. In order to solve the problem, the pheromone binding protein-derived peptide provided by the invention has an amino acid sequence as shown in SEQ ID NO: 2, the biosensor comprises a substrate and an interdigital electrode, a single-walled carbon nanotube is attached to the electrode, and the electrode is also connected with the pheromone binding protein-derived peptide. The sensor can specifically detect sex pheromones of fall webworms, has no response to 17 plant volatile matters, and can detect sex pheromones released by as low as five live female fall webworms under laboratory conditions. The method has application potential in the fields of early pest monitoring, prevention and control efficiency improvement, ecological safety guarantee and the like.

The application discloses application of alpha-pinene and citral in combination in luring Spodoptera frugiperda, and belongs to the technical field of biological control. The application determines habitat selection and oviposition selection preference of Spodoptera frugiperda on different host plants, collects volatiles of nine kinds of host plants preferred by Spodoptera frugiperda by using a dynamic headspace method, and successfully screens out alpha-pinene and citral combination with good luring effect on female and male adult Spodoptera frugiperda by means of GC-MS technology, indoor behavior selection experiment and semi-field verification. Alpha-pinene and citral both belong to natural plant volatiles, and have the characteristics of easy acquisition, low cost, environmental friendliness and the like, and can serve as background materials or combined components of efficient luring agents of Spodoptera frugiperda. The application can effectively promote the construction and improvement of green control technology of Spodoptera frugiperda, and provides a new and effective tool for Spodoptera frugiperda control work.

The invention relates to the technical field of plant volatile oil detection, and discloses a plant volatile oil detection error traceability analysis system and method based on machine learning, and the system comprises a sample collection module which collects a pungent litse plant sample and records sampling information and experiment conditions; the component detection module is used for carrying out chemical component detection on the sample to obtain original detection data of the pungent litse fruit volatile oil; the data preprocessing module is used for performing signal processing and data standardization on the original detection data to form standardized data which can be used for modeling; the machine learning analysis module is used for establishing and operating a model based on the standardized data; an error tracing module; and a quality evaluation module. Quality evaluation and error recognition are incorporated into the same machine learning framework, two types of results are output at the same time, quality and error characteristics are learned at the same time through a multi-task joint optimization strategy, and the quality analysis efficiency and consistency of the pungent litse fruit volatile oil are improved.

The application discloses an information pheromone binding protein derivative peptide and a biosensor capable of effectively monitoring the sex pheromone of Hyphantria cunea, and belongs to the field of biosensors. At present, the monitoring of H. cunea is usually achieved by means of sample plot investigation, sex lures and other means, and problems such as poor timeliness, high labor cost and insufficient data continuity exist. In order to solve the above problems, the information pheromone binding protein derivative peptide provided by the application has an amino acid sequence as shown in SEQ ID NO: 2, the biosensor comprises a substrate and an interdigital electrode, single-walled carbon nanotubes are attached to the electrode, and the information pheromone binding protein derivative peptide is further connected. The sensor can specifically detect the sex pheromone of H. cunea and has no response to 17 kinds of plant volatiles, and can detect the sex pheromone released by as low as five live female H. cunea under laboratory conditions. The sensor has application potential in the fields of early-stage pest monitoring, improvement of prevention and control efficiency and guarantee of ecological safety.

The application discloses an odor receptor derivative peptide capable of effectively monitoring sex pheromone of Spodoptera frugiperda and a biosensor, and belongs to the field of biosensors. At present, the monitoring of Spodoptera frugiperda is usually performed by means of sample plot investigation, sex lures and the like, and problems of poor timeliness, high labor cost and insufficient data continuity exist. In order to solve the above problems, the pheromone binding protein derivative peptide provided by the application has an amino acid sequence as shown in SEQ ID NO: 5, the biosensor comprises a substrate and an interdigital electrode, single-walled carbon nanotubes are attached to the electrode, and the odor receptor derivative peptide is further connected. The sensor can specifically detect the sex pheromone of Spodoptera frugiperda and has no response to 17 kinds of plant volatiles, and can detect the sex pheromone released by as low as two live female Spodoptera frugiperda under laboratory conditions. The sensor has application potential in the fields of early-stage pest monitoring, improvement of prevention and control efficiency and guarantee of ecological safety.

The present application relates to the technical field of plant volatile oil extraction, and particularly relates to a plant volatile oil extraction device, which comprises a fixing box, an upwardly-opened fixing cavity is arranged in the fixing box, a movable collecting cylinder is arranged in the fixing cavity, a collecting cavity for placing plant materials is arranged in the collecting cylinder along the length direction of the collecting cylinder, opposite chute grooves are arranged on opposite side walls of the fixing cavity along the height direction of the fixing cavity, lifting assemblies for driving the two ends of the collecting cylinder to lift and fall are arranged in the two chute grooves, fixing rods with two ends respectively extending out of the corresponding ends of the collecting cavity are arranged in the collecting cavity, extrusion assemblies for extruding the materials in the collecting cavity are arranged on the fixing rods, and a driving assembly for driving the fixing rods to rotate and drive the collecting cylinder to rotate is arranged on the outer side wall of the fixing box and located at one end of the fixing rod. Through the above structure, the volatile oil remaining in the materials can be collected into the fixing cavity, so that the waste of volatile oil is reduced.

The present application aims at the drawbacks of low collection efficiency of plant volatile substances, which is not conducive to the analysis of plant volatile substances, and the difficulty in collecting volatile substances at different temperature environments, and provides a bergamot aroma volatile substance nondestructive collection and analysis method, which collects the aroma volatile substances generated by bergamot through a bergamot aroma volatile substance nondestructive collection device. The bergamot aroma volatile substance nondestructive collection device comprises an air pump, a filter, a gas flow meter, a container, a spoiler and a water bath temperature adjusting module, can realize the improvement of collection efficiency, realize nondestructive collection, and can adjust the collection temperature according to the collection requirements.

The invention discloses an eye pad formula for improving eyesight and soothing eyes and a preparation method thereof, and belongs to the field of eyesight maintenance and health care. The formula of the eye patch is prepared from poria cocos, cochinchinensis, pipewort, selfheal, semen cassiae, morning glory, mint, kapur and fleece-flower root through the combination of raw material differentiation pretreatment, staged extraction, aqueous solution mixing and purification, pure cotton cloth infiltration forming, ancient maintenance and modern sterilization. The problems of stickiness and allergy of the traditional paste eye patch are solved, the skin feeling is fresh and cool, and the eye patch is suitable for various skin types and is particularly suitable for summer or oily skin; through differentiated treatment of raw materials by'fresh / sun-drying / drying in the shade 'and staged extraction by'distillation and soaking', plant volatile components (such as cool and refreshing feeling of mint) are reserved, water-soluble nourishing components (such as pachymaran) are fully dissolved out, and the utilization rate of effective components is greatly improved compared with that of a traditional crushing process.

The invention belongs to the technical field of insect pest prevention and control, and particularly relates to application of a plant volatile matter to prevention and control of flower thrips, and the plant volatile matter comprises perillaldehyde and / or beta-pinene. Perillaldehyde and / or beta-pinene are / is separated from an aromatic plant perilla frutescens, has a remarkable repelling effect on the flower thrips, has a function of inducing natural enemies of the perilla frutescens, can effectively prevent and control the flower thrips, provides a scientific basis for a green prevention and control strategy of the flower thrips, development of plant-derived repellents and application of an ecological regulation and control technology, and has a wide application prospect. And the method has a relatively high application value.

Various aspects of this disclosure relate to the discovery that converting a solid or a liquid into an aerosol allows the distillation of molecules from the aerosol in seconds at temperatures that are significantly less than the boiling points of the molecules. Various aspects of this disclosure relate to the discovery that mute plants can be extracted at both ambient temperatures and temperatures significantly less than the boiling points of the volatile molecules of the mute plants by capturing the volatile molecules in a solvent such as ethanol.

The present application belongs to the technical field of plant protection, and particularly relates to a preparation of volatile slow-release agent small balls and application thereof in pest control. The present application uses phenylacetonitrile as a plant volatile induced by pests, and utilizes the dense small balls formed by dehydration shrinkage and long-time mechanical stirring of sodium alginate to wrap the volatile inside, so as to achieve the slow-release effect. The prepared phenylacetonitrile slow-release agent small balls have the advantages of good slow-release effect, long release time, controllable release rate, etc., and are non-toxic, low in cost, simple in preparation method and suitable for industrialized production. In the field application process, the pest population density of tea trees can be significantly reduced, the pest control effect is obvious, when the tea tree pests break out, the branch damage rate can be effectively reduced, the leaf damage degree can be reduced, and the yield loss of fresh tea leaves can be reduced, and the present application shows a good application prospect in the green pest control of tea.

The invention discloses a detection method for analyzing the influence of plant physiological status on comprehensive benefits of indoor restorative environmental health, and relates to the technical field of plant environmental health, comprising the following steps: step S1, constructing an indoor model grid for distributing plants; s2, acquiring an air sample, and detecting components and concentration of the air sample; s3, predicting the diffusion rate of air substance components; and S4, calculating the coupling diffusion effect of the substances in the indoor air. By applying a model grid mixing strategy, exponential distribution of the speed, temperature and concentration of the plant volatile substances is accurately captured, the diffusion rule of flowing substances is predicted by combining the coupling effect of the concentration gradient and turbulent diffusion of the volatile substances, the diffusion effect of the multi-component plant volatile substances is simulated, and the plant volatile substance diffusion efficiency is improved. The indoor environment with distributed plants is accurately detected, the influence of the plant physiological state on the indoor environment health is judged, and the influence of plant volatile substances on the human body physiological state is conveniently detected.

This invention discloses a system and method for continuous communication and dynamic sampling of plant volatiles. The system includes a device support system, an air purification and driving system, an airflow distribution and control system, a multi-channel plant chamber, a three-way valve switching system, a drying and sampling interface system, and a collection and negative pressure system. The air purification and driving system purifies the airflow and is connected to the airflow distribution and control system to provide purified airflow. The airflow distribution and control system is connected to the multi-channel plant chamber. The drying and sampling interface system is connected to the collection and negative pressure system to collect the sampled airflow and discharge it through negative pressure. The collection and negative pressure system is connected to the multi-channel plant chamber to form a continuous airflow path through all systems. This invention achieves dynamic sampling and parallel experimentation while maintaining continuous communication of plant volatiles.

The invention discloses a herbal aromatic mixture and a preparation method thereof. The herbal aromatic mixture comprises compound essential oil and aromatic master batch, the compound essential oil is prepared by mixing borneol camphor oil, aromatic camphor oil, litsea cubeba oil and peppermint oil; the aromatic master batch is formed by mixing and kneading folium artemisiae argyi, cinnamomum longepaniculatum leaves, herba eupatorii, lavender and agastache rugosus into irregular velvet sheets. The fragrant master batch is kneaded and ground, and then the four-in-one compound essential oil is used for soaking. The hay master batch plays a role of a storage device in the process, so that synthesis of aromatic hydrocarbons of similar oils and fats is promoted, metamorphic genes of the same family and improvement of the adsorption rate are realized, and the storage rate and the volatilization period of aromatic substances are improved. The synergistic effect of plant volatile matters is remarkably improved through the molecular permeation effect, the effectiveness of the plant essential oil extract is improved, and the nourishing and treating effects of aromatic hydrocarbon are remarkably improved. Viruses can be directly inactivated, and the disinfection and sterilization effects and efficiency are also remarkably improved; the air purification effect is better, and the safety is higher.

Various aspects of this disclosure relate to the discovery that converting a solid or a liquid into an aerosol allows the distillation of molecules from the aerosol in seconds at temperatures that are significantly less than the boiling points of the molecules. Various aspects of this disclosure relate to the discovery that mute plants can be extracted at both ambient temperatures and temperatures significantly less than the boiling points of the volatile molecules of the mute plants by capturing the volatile molecules in a solvent such as ethanol.

The invention relates to the technical field of plant volatile odor collection, and discloses a plant volatile odor collection structure, a manufacturing method thereof, a collection device and a collection method. The collecting structure comprises a pipe body, an end head and a storage pipe; a first cavity with openings in the two ends is formed in the middle of the pipe body, the first cavity comprises a first mounting part, a first filling part and a first circulating part which are sequentially communicated, and the first filling part is provided with a first plugging piece; a second cavity with openings in the two ends is formed in the middle of the end, the second cavity comprises a second mounting part, a second filling part and a second circulating part which are communicated in sequence, and the second filling part is provided with a second plugging piece; the two ends of the storage pipe are connected with the first mounting part and the second mounting part respectively, and an adsorbent is arranged in the storage pipe. Only the adsorbent is arranged in the storage pipe, the adsorbent can be quantitatively and accurately controlled, absolute quantitative analysis can be carried out during chemical component analysis, and the analysis result is more accurate.

The invention discloses a pheromone binding protein derived peptide for effectively detecting sex pheromones of fall webworms and a biosensor, and belongs to the field of biosensors. At present, methods such as sample plot survey and sex traps commonly used in fall webworm monitoring have the problems of poor timeliness, high labor cost, insufficient data continuity and the like. In order to solve the problem, the pheromone binding protein-derived peptide provided by the invention has an amino acid sequence as shown in SEQ ID NO: 2, the biosensor comprises a substrate and an interdigital electrode, a single-walled carbon nanotube is attached to the electrode, and the electrode is also connected with the pheromone binding protein-derived peptide. The sensor can specifically detect sex pheromones of fall webworms, and has no response to 17 plant volatile matters. The method has application potential in the fields of early pest monitoring, prevention and control efficiency improvement, ecological safety guarantee and the like.

The invention relates to the technical field of green prevention and control of agricultural pests, in particular to a female bactrocera cucurbitae attractant based on volatile matters of bitter gourd fruits and leaves and application of the female bactrocera cucurbitae attractant. The active components of the female bactrocera cucurbitae attractant come from volatile matters of fruits and leaves of bitter gourds, and comprise 4-terpilenol, verbenol, alpha-terpilenol, capraldehyde, beta-caryophyllene and perillaldehyde. The main components of the female bactrocera cucurbitae attractant are all derived from natural plant volatile matters, the attractant is environment-friendly, a foundation is laid for field monitoring of bactrocera cucurbitae, and a new thought is provided for green prevention and control of bactrocera cucurbitae.

This invention belongs to the field of plant physiological dynamic monitoring and decision optimization technology, specifically providing a big data-based method for dynamic monitoring of volatile components in health-promoting plants. The method mainly includes: acquiring time-series data of plant volatile concentrations, environmental parameter sets, and meteorological time-series data; obtaining a spatiotemporally synchronized multidimensional data cube after collaborative preprocessing; and calculating environmental interference components based on the multidimensional data cube to obtain a physiological volatile characteristic set. This application effectively solves the problem in existing technologies where it is difficult to comprehensively capture dynamic changes in volatiles and integrate multidimensional correlation information under large-scale, long-term, and complex environments, leading to data distortion. It achieves accurate understanding of the actual release patterns of volatiles, providing strong support for the evaluation and control decisions of plant health-promoting effects.

The invention discloses a plant volatile oil chemical component content detection system and method based on spectral analysis, and relates to the technical field of plant component detection, and the system comprises a data management unit, a prediction analysis unit and an evaluation system unit. Accurate plant spectral image data are extracted through the data management unit, quantitative analysis of chemical components of volatile oil is achieved, a content prediction model constructed by the prediction analysis unit can effectively predict the component content change trend in a future time period, production and quality control can be adjusted in time, and the production efficiency is improved. And the evaluation system unit analyzes the correlation between the key components and the target quality indexes by using a quality evaluation algorithm, so that the product quality monitoring precision is improved, and a scientific basis is provided for the production and optimization of the plant volatile oil, thereby ensuring the consistency and high quality of the product.

The present application uses the Schizonepeta citonellol synthase (StLS) gene promoter as a decoy, and uses a biological screening method to screen two MYB transcription factors, namely StMYB76 and StMYB13, which are involved in the regulation of Schizonepeta pulegone biosynthesis. The nucleotide sequences of the two genes are shown in SEQ:NO.1 and SEQ:NO.2. Both MYB transcription factors can bind to the StLS promoter element and activate its expression; can significantly enhance the transcript abundance of Schizonepeta pulegone synthesis related genes StLS, StL3OH, StIPD and StPR; and can promote the accumulation of pulegone in Schizonepeta leaves. The present application can be used for the transcriptional regulation of plant pulegone biosynthesis, and provides a theoretical basis and research direction for improving the regulation mechanism and molecular breeding of Labiatae plant volatile oil synthesis.

1. The name of the design product: plant element inhaler. 2. The use of the design product: for inhaling allicin or other volatile substances of plants with medicinal value. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: the parts marked by A1 of design 1, A2 of design 2, A3 of design 3, A4 of design 4, A5 of design 5 and A6 of design 6 are transparent or semi-transparent materials.

The invention belongs to the technical field of pest control, and particularly relates to application of cis-3-hexenol propionate in control of tea garden pests and / or improvement of tea quality. As a natural plant volatile organic compound, the cis-3-hexenol propionate disclosed by the invention can obviously induce expression of key genes in a tea tree phenylpropane pathway and a flavonoid pathway. Biological experiment results show that the selection rate of tea trees applied with cis-3-hexenol propionate by tea garden pests is reduced by 50%, the aphid yield is reduced by 25%, and the death rate is increased by 2.3 times. The results prove that the cis-3-hexenol propionate treatment can effectively enhance the resistance of the tea trees to the pests in the tea garden, and also can promote the accumulation of total phenols and flavonoid substances in the tea leaves to improve the quality of the tea leaves.

The invention relates to the technical field of biosensors, and particularly discloses application of an olfactory receptor in identification of a predetermined compound in a sample. The olfactory receptor comprises at least one selected from the group consisting of OR14I1, OR2T6, OR5H15, OR2F2 and the like, and the predetermined compound comprises at least one selected from the group consisting of isobornyl formate, L-borneol, 1-butyl-2-isobutyl phthalate, 2, 3-dihydro-2-methylbenzofuran, citral, diisobutyl phthalate, eugenol acetate, citronellyl formate and the like. The invention also provides recombinant cells for expressing the olfactory receptors and the reporter proteins, a kit containing the recombinant cells, and a method for identifying plant varieties by using the olfactory receptors, the recombinant cells or the kit. According to the method, the plant variety can be quickly and accurately identified by detecting the signal generated by activating the specific olfactory receptor by the volatile components of the plant, and the method has the advantages of high specificity and sensitivity.