260 results about "Linalool" patented technology

The invention discloses a quaternary ammonium salt modified linalool derivative as well as preparation and application thereof. The structure of the quaternary ammonium salt modified linalool derivative is shown as a formula (I). The quaternary ammonium salt modified linalool derivative is prepared by carrying out nucleophilic substitution reaction on linalool and benzyltrimethylammonium chloride. The derivative can be applied to water-based disinfectants or antibacterial daily necessities. The derivative has good water solubility and bactericidal activity. Through the synergistic interaction of the quaternary ammonium salt group and the linalool mother nucleus, the disinfection and sterilization capacity of the linalool derivative is remarkably improved compared with that of independent quaternary ammonium salt or linalool, and the linalool derivative particularly has a better disinfection and killing effect on pathogens of a quaternary ammonium salt-resistant disinfectant. # imgabs0 #

The invention discloses a coating material containing an agilawood component and a preparation method and application thereof, and belongs to the technical field of coating materials, a coating is composed of agilawood powder, paprika powder, natural glutinous rice glue, agilawood hydrolat and water, diatomite or beeswax emulsion can be selectively added, the oil content of the agilawood powder is larger than or equal to 15%, linalool is larger than or equal to 1.2 mg / g, and the agilawood powder is subjected to airflow crushing treatment; the glutinous rice glue is prepared by hydrolyzing starch, and the solid content is 25-35%; agilawood hydrolat is extracted through steam distillation, the concentration of agilawood alcohol is larger than or equal to 0.8 mg / mL, during preparation, raw materials are mixed and then stirred for 10-20 min at the high speed of 2500-3500 r / min at the temperature of 20-40 DEG C to form a stable system, the VOC content of the coating is smaller than 10 g / L, the coating meets the GB18582-2020 standard, the escherichia coli inhibition rate and the staphylococcus aureus inhibition rate are 95% and 98% respectively, the initial aroma intensity is 8.5 min (10 min), the coating is kept for 7.2 min after 12 months, the adhesive force is 0 grade, the pencil hardness is 2-4 H, and the coating is suitable for being applied to the field of medical care. The coating has the advantages of no less than 5000 times of washing resistance, no less than 91% of performance retention rate after 500 hours of ultraviolet aging, and suitableness for coating wall surfaces, furniture and handicrafts, and has the characteristics of aromatic physical therapy, antibiosis and environmental protection.

The invention relates to the technical field of microorganisms, in particular to saccharomyces cerevisiae CEC NW94 and application thereof. The invention provides the Saccharomyces cerevisiae CEC NW94, and the Saccharomyces cerevisiae CEC NW94 is used for brewing the wine, so that the contents of glycerol and lactic acid can be increased, and the yield of volatile acid can be reduced; the synthesis of volatile substances such as ethyl 2-methylbutyrate, isoamyl alcohol and linalool is promoted, and the generation of acetic acid is inhibited, so that the wine presents complex aroma of black fruits, mushrooms and the like, and the odor of herbaceous plants, herbal medicines, vinegar and the like is effectively reduced; in addition, the strain can improve the umami of the grape wine, and improve the aroma purity, the aroma concentration, the wine body, the aftertaste and the complexity. According to the method, the flavor substances of the dry red wine are controlled through a microbial metabolism regulation and control technology, and a new technical scheme is provided for high-quality wine production.

The invention belongs to the technical field of bioengineering, and particularly relates to an application of EcorOBP7 in combination with odor information molecules, and the nucleotide sequence of the EcorOBP7 is as shown in SEQ ID NO.1; the odor information molecules comprise at least one of (E)-beta-farnesene, (E)-beta-myrcene, 3-methylbutyraldehyde, (Z)-beta-ocimene, linalool and cis-acetamino acetate. The odor information molecules are used for detecting the odor of the odor information molecules, and the odor information molecules comprise at least one of (E)-beta-farnesene and (E)-beta-myrcene. The invention finds that EcorOBP7 is a broad-spectrum binding protein, can interact with various information molecules, and can be strongly bound with substances such as (E)-beta-farnesene and cis-acetamido acetate, so that EcorOBP7 can sense odor molecules in the environment through EcorOBP7 highly expressed on antennas of EcorOBP7. Female insects can find proper hosts and spawning sites by distinguishing volatile substances of plants, male insects can find the female insects for mating through perceptual pheromones, and it is indicated that the protein can adjust the foraging and spawning behaviors of eutrophus maculans.

The invention belongs to the technical field of plant essential oil, and particularly relates to osmanthus essential oil and application thereof in preparation of pure natural children shampoo capable of removing dandruff, relieving itching and controlling oil. By optimizing the extraction process of the sweet osmanthus essential oil and adopting a method of combining enzymolysis pretreatment with reflux extraction, the extraction efficiency and the active ingredient content of the sweet osmanthus essential oil are remarkably improved. Compared with a traditional extraction method, the extraction process disclosed by the invention has the advantages that natural active ingredients, such as linalool, beta-glucoside and the like, in the osmanthus fragrans essential oil can be better reserved, so that the antibacterial and oil control effects are improved. The osmanthus essential oil is applied to the shampoo for children, so that mild and efficient scalp care can be provided for children. Compared with the traditional shampoo, the shampoo for children not only can clean hair, but also can remarkably reduce the problems of scalp itching, dandruff, excessive grease secretion and the like, and meanwhile, the irritation of chemical components to the scalp of children is avoided.

The invention discloses a lactobacillus brevis SMF L6 strain for improving the characteristic flavor of fermented fish and application thereof, and belongs to the technical field of aquatic product processing. According to the method disclosed by the invention, low-temperature fermentation is carried out by utilizing a sake lactobacillus wide cloth SMF L6 direct vat set fermentation inoculant to regulate and control the flavor; the method can effectively promote the production of flavor substances such as n-hexyl alcohol, eudesmol, 2-ethylhexyl alcohol, 4-platycladi alcohol, linalool, 4-terpene alcohol, alpha-terpilenol, piperonone, beta-myrcene, alpha-terpinene, D-limonene, beta-phellandrene, gamma-terpinene and the like in the fermented fish. The content of pungent smell and fishy smell substances such as acetic acid, p-xylene, o-xylene, trimethylamine, methyl mercaptan and carbon disulfide is reduced.

The invention discloses an Aspergillus scherweri strain for producing linalool and an application of the Aspergillus scherweri strain in production of yeast for making hard liquor, and belongs to the technical field of processing of brewed white liquor. The aspergillus scherweri provided by the invention is separated from white spirit yeast, the strain is preserved in the China General Microbiological Culture Collection Center, and the preservation number is CGMCC No.41632. The bacterial colony of the strain is bright yellow to deep yellow or yellowish brown, the texture is compact, and the linalool content in yeast for making hard liquor can be remarkably increased when the strain is introduced into yeast culture, so that the taste of liquor is optimized. Meanwhile, the invention discloses a metabolic mechanism and a way for synthesizing the linalool by using the Aspergillus scherweri As MHR2, and a new theoretical support is provided for the application of the Baijiu brewing microorganisms.

The invention discloses a linalool engineering bacterium and an application of the linalool engineering bacterium in fermentation production of linalool, and the linalool engineering bacterium is escherichia coli and contains a plasmid pJBEI-MVA and a plasmid pET-AgGPPs-MaLIS. The microbial fermentation technology is utilized, the resource limitation is overcome, the production process is controllable, the period is short, and the green production concept is met. The optimized culture medium formula and material supplementing strategy can effectively relieve the toxicity of linalool and improve the metabolism efficiency and stability of the strain. The purification process is simple, high-purity linalool is obtained through reduced pressure distillation, and the high-end application requirements of spices, medicines and the like are met. In addition, energy consumption and process complexity are reduced, production cost is reduced, economic benefits are improved, the method is suitable for industrial production, and an efficient solution is provided for sustainable supply of linalool.

The invention discloses a composition for enhancing Chinese chestnut fragrance of a tea beverage as well as a preparation method and application of the composition, and belongs to the technical field of food additives. The composition is prepared from the following raw materials in parts by weight: 0.1 to 0.9 part of furanone, 0.01 to 0.2 part of linalool, 0.001 to 0.5 part of 2, 5-dimethylpyrazine, 0.02 to 0.1 part of geraniol, 0.03 to 0.05 part of beta-ionone and 0.01 to 0.25 part of geranyl acetone. According to the invention, through a unique ratio design, the scorched nut smell of pyrazine compounds, the rich caramel sweet taste of furanone, the stir-fried smoke and fire smell of 2-acetylthiazole and the freshness of geraniol and other terpene alcohols are ingeniously fused, and the complex level of Chinese chestnut fragrance is accurately reproduced. According to the present invention, the edible-grade propylene glycol is adopted as the solvent, such that the solubility, the dispersibility and the stability of the aroma composition in the tea beverage can be effectively improved, the persistence and the uniformity of the aroma release can be significantly improved, the shelf life of the tea beverage product can be easily prolonged, and the market competitiveness of the product can be enhanced.

The present invention discloses a fermentation method for Antrodia camphorata mycelium and an auxiliary composition for fermentation of Antrodia camphorata. The method provided by the present invention comprises the following steps: S1. subjecting an Antrodia camphorata strain to liquid fermentation for 60-120 hours; S2. adding precursors to the fermented Antrodia camphorata strain liquid fermentation broth, and continuing the fermentation for more than 120 hours to obtain Antrodia camphorata mycelium; the precursors being coenzyme Q0, p-hydroxybenzoic acid, linalool, and α-terpineol, and the fermentation broth after adding the precursors having a coenzyme Q0 content of 100-500 mg / L, a p-hydroxybenzoic acid content of 20-300 mg / L, a linalool content of 0.1-0.5 mg / L, and an α-terpineol content of 0.3-0.7 mg / L. This method adds precursor substances of specific composition and concentration to the liquid fermentation broth of Antrodia cinnamomea at a certain time and combines them with each other, which is beneficial to the secondary metabolism of Antrodia cinnamomea and promotes the synthesis of triterpenoid compounds, thereby increasing the yield. Compared with the existing technology, the yield of triterpenoid compounds produced by Antrodia cinnamomea mycelium is increased, the culture cycle is shortened, and it is more suitable for large-scale production.

Provided is an aggregate amount regulator having an excellent aggregate production promoting effect. Use of a compound selected from the group consisting of 4-ethyl-alpha, beta, beta, beta, beta, beta, beta, beta, beta, beta, beta, beta, beta, beta, beta, beta, beta, beta, beta The compound is at least one compound selected from the group consisting of alpha, alpha-dimethyl benzene propionaldehyde, 1-(2-tert-butylcyclohexyloxy)-2-butanol, benzyl benzoate, tricyclodecenyl acetate, trichloromethyl phenyl methyl acetate, geraniol, cyclohexylidene (phenyl) acetonitrile, 1-menthol, linacol, dihydromyrcenol, benzyl salicylate, 4-(5, 5, 6-trimethylbicyclo [2.2. 1] heptane-2-yl) cyclohexanol, and the like.

A pest control composition includes from about 4 wt % to about 10 wt % of sodium lauryl sulfate; one or more C5 to C9 hydrotropic salt; from about 1 wt % to about 10 wt % of one or more active ingredients selected from the group consisting of corn mint oil, peppermint oil, spearmint oil, rosemary oil, thyme oil, citronella oil, clove oil, cedarwood oil, cinnamon oil, geranium oil, eugenol, 2-phenylethyl propionate, menthol, menthone, thymol, carvone, camphor, methyl salicylate, p-cymene, linalool, geraniol, cinnamyl acetate, cinnamic alcohol, cinnamaldehyde, citronellol, eucalyptol / 1,8-cineole, alpha-pinene, bornyl acetate, gamma-terpinene, and combinations thereof; and from about 60 wt % to about 95 wt % of water. The pest control composition exhibits a water peak in a 2H spectrum having a width encompassing 90% of the area of the entire water signal of about 50 Hz or more, as determined by the 2H NMR Method.

A composition of food or therapeutic and other substances for administration as a cloud of droplets, the cloud comprising readily-soluble droplets having a median size range of approximately 3 microns to approximately 20 microns, or 5 microns to 10 microns, or 6 microns to 10 microns, for introduction to an animal via an ortho-nasal or retro-nasal route. Agonists or antagonists may include one or more of the following: sodium iodide, sodium chloride, magnesium chloride, capsaicin, piperine, linalool, ground cinnamon, a cannabinoid, pimento, onion, clove, thyme, ginger, menthol, or TRPV antagonists, and chocolate, Irish cream, caramel, lemon, lime, mango, raspberry, watermelon, blueberry, strawberry, mint, popcorn, meat, Resolvin D2 or nicotine. Devices for delivering compositions as an aerosol are described.

This invention relates to a compound fragrance essential oil, belonging to the field of fragrance technology, and solves the technical problems of existing fragrance essential oils, such as single aroma layers, poor fragrance retention, and easy component separation. This fragrance essential oil, by weight percentage, consists of 0.05wt%~0.10wt% polyethylene glycol, 9.00wt%~10.00wt% linalool, 0.50wt%~1.00wt% violet essential oil, and the balance being glyceryl acetate. The components are scientifically proportioned and compounded to produce a synergistic effect. Polyethylene glycol emulsifies and solubilizes, ensuring uniform mixing without separation. The sweet camphor floral scent of linalool blends harmoniously with the rich floral scent of violet essential oil. Glyceryl acetate acts as a carrier to enhance the fragrance retention stability of the essential oil. The final fragrance essential oil has a fresh, natural, rich, and long-lasting aroma. The formulation of this invention has been verified by professional testing institutions, confirming the authenticity and effectiveness of the components, the reasonable proportioning design, and the readily available raw materials. It can be directly compounded and used, applicable to multiple fields such as daily chemicals, food, and aromatherapy, with broad application prospects.

According to the bean curd yellow serofluid tomato red sour soup and the preparation method thereof, tomatoes are selected, pedicles are removed, the tomatoes are cleaned and crushed to prepare tomato homogenate, clarified bean curd yellow serofluid is added, after sterilization, activated lactobacillus plantarum is inoculated, anaerobic fermentation is conducted, and the bean curd yellow serofluid tomato red sour soup is obtained. And the volatile components are mainly prepared from alcohol (linalool), ketone (damascenone and damascenone) and aldehyde (phenylacetaldehyde, nonanal and trans-2-nonanal). The invention further provides a fermentation culture medium containing the bean curd yellow serofluid freeze-dried substance. The fermentation culture medium is a low-cost lactobacillus fermentation culture medium prepared by compounding the bean curd yellow serofluid freeze-dried substance and an MRS culture medium. On the basis of the bean curd yellow serofluid, the ecological characteristic food development concept in Guizhou is integrated, and the method has important significance in the aspects of improving the fermentation efficiency of the red sour soup, reducing the production cost and promoting the resource utilization of the yellow serofluid.

The present invention addresses the problem of providing: a packaged black tea beverage containing milk protein and vegetable oils and fats in which a pickled odor that occurs during heat sterilization of the packaged black tea beverage is suppressed; and a method for producing the same.　In the production of a packaged black tea beverage having a milk protein concentration of at least 0.05 mass% and a vegetable oils and fats concentration of 0.1-10 mass%, the packaged black tea beverage is prepared such that the concentration of linalool is 55-9,030 ppb.

The invention provides litchi essence as well as a preparation method and a preparation device thereof. According to the technical scheme, the preparation method of the litchi essence comprises the following steps: S1, putting linalool, ethyl butyrate and other raw materials into the same container, and sealing and stirring to prepare first premixed essence; s2, putting geraniol, ethyl acetate and other raw materials into the same container, and sealing and stirring to prepare a second premixed essence; s3, adding trans-2-hexenal, gamma-decalactone and other raw materials into the same container, and sealing and stirring to prepare third premixed essence; s4, putting the first premixed essence and the second premixed essence into the same container, and sealing and stirring; and adding the third premixed essence, sealing and stirring to obtain the litchi essence. The lychee essence prepared by the invention has lasting and natural lychee fragrance, and has penetrating power and layering sense. In addition, the invention further provides a preparation device of the litchi essence.

The invention discloses a method for detecting sweet-scented osmanthus aroma components in sweet-scented osmanthus wine, which comprises the following steps: diluting a wine sample, adding salt until the wine sample is saturated, and then carrying out liquid-liquid micro-extraction by using a mixed solvent of absolute ether and ethyl acetate in a specific ratio, the volume fraction of the ethyl acetate being 3-5%; after oscillation, ultrasonic-assisted extraction and centrifugal separation, an organic phase is taken for dehydration, a gas chromatograph-mass spectrometer is used for analysis, and an internal standard method is adopted for quantification. By optimizing the polarity of the solvent, various aroma components (such as leaf alcohol, linalool oxide, linalool, ionone, tea aroma spirane and the like) from strong polarity to weak polarity can be effectively covered, and balanced and efficient extraction under a single extraction step is realized. The method is easy and convenient to operate, high in recovery rate, good in reproducibility and suitable for quality evaluation and production process control of the osmanthus fragrans wine.

The invention relates to the technical field of traditional Chinese medicine detection, in particular to a method for determining the content of various components in blumea balsamifera oil. According to the method, a gas chromatography-mass spectrometry (GC-MS) technology is adopted, and chromatographic conditions are as follows: a chromatographic column is an SH-Stabilwax (30m * 0.32 mm, and the film thickness is 0.25 [mu] m) capillary column; the temperature of a sample inlet is 230 DEG C; the split ratio is 10: 1; the sample size is 1 microliter; the mass spectrum conditions are as follows: the ion source temperature is 200 DEG C; the interface temperature is 230 DEG C; the ionization mode is electron impact ion (EI); the detection voltage is 0.2 KV; the solvent is delayed for 2 minutes; the mass number scanning range is 30 to 400 amu; and SIM mode. According to the method disclosed by the invention, the contents of alpha-pinene, camphene, beta-pinene, limonene, p-cymene, camphor, alpha-coumarin, linalool, bornyl acetate, beta-caryophyllene, myrtenal, alpha-caryophyllene, L-borneol, perillaldehyde, caryophyllene oxide, guaiacol, beta-eudesmol and xanthoxylin in the blumea balsamifera oil can be simultaneously determined; the method provided by the invention has good precision, repeatability and stability, and the quality consistency of the blumea balsamifera oil can be quickly, accurately and effectively evaluated through detection of multiple components.

The present invention relates to a mixture of volatile organic compounds (VOCs) for insect repellency, in particular for aphids, which comprises as VOCs at least linalool and eugenol. The invention also relates to an insect repellent composition comprising said mixture, and its use in agriculture, in particular in fields for protecting plants against damage caused by insect pests.

The invention discloses a synthesis method of teprenone, which comprises the following steps: dissolving farnesyl acetone in a solvent, and reacting with a Grignard reagent at low temperature to obtain geranyl linalool; the method comprises the following steps: mixing geranyl linalool, alkyl acetoacetate and an organic aluminum catalyst, reacting under a heating condition, adding a dilute acid solution and an organic extraction solvent into the reacted mixed solution, extracting, separating an organic phase to obtain a teprenone crude product, and carrying out reduced pressure distillation purification to obtain teprenone, the yield and the purity of the teprenone in industrial production are improved.

The invention relates to the technical field of essence, and particularly discloses mild low-sensitivity essence of a child nursing product. The mild low-sensitivity essence of the child care product is prepared by compounding isopropyl myristate, ambrotone, o-tert-butyl cyclohexyl acetate, coconut aldehyde, virginia cedar oil, ethyl linalool, cyclamen aldehyde and convallaryl alcohol. The essence has the advantages that the essence is milder, and skin allergy of children is not easily caused.

The invention discloses a preparation method of a ZIF-67 / PDMS mixed matrix pervaporation membrane, which comprises the following steps: dissolving 2-methylimidazole and docusate sodium in methanol to obtain a 2-methylimidazole solution; the preparation method comprises the following steps: uniformly mixing a methanol solution of cobalt nitrate hexahydrate and a 2-methylimidazole solution, standing to obtain a ZIF-67 precursor suspension, carrying out solid-liquid separation to obtain ZIF-67 crystals, uniformly dispersing the ZIF-67 crystals in ethanol, adding polydimethylsiloxane into the ZIF-67 crystals, uniformly dispersing the ZIF-67 crystals to obtain a suspension, adding a cross-linking agent and a catalyst into the suspension, uniformly stirring to obtain a ZIF-67 / PDMS coating solution, and carrying out vacuum drying on the ZIF-67 / PDMS coating solution. And uniformly coating the surface of a PVDF substrate membrane with the obtained product, crosslinking at normal temperature, and drying to obtain the product. Compared with a pure PDMS pervaporation membrane, the ZIF-67 / PDMS mixed matrix membrane has the advantages that the separation factor of the ZIF-67 / PDMS mixed matrix membrane on a linalool and water mixed system is obviously improved, and the membrane flux is up to 600-700 mgm <-2 > h <-1 >. The method is applied to a pervaporation technology to separate aromatic substances in food, and after a to-be-intercepted side solution is subjected to series processing to form a product, a permeation side solution rich in the aromatic substances is backfilled into the product, so that the aroma of the product is repaired.

The invention discloses a method for continuously separating estragole and linalool from star anise oil by using a single tower based on dynamic pressure regulation rectification. The method comprises four steps of pretreatment, rectification tower design, dynamic separation and intelligent control. The equipment is simplified, three-stage rectification is replaced by a single tower, and the equipment cost is reduced by 60%; the separation precision is high, the number of theoretical plates is greater than or equal to 180, and the separation factor alpha is greater than or equal to 1.41; energy consumption is low, raw material adaptability is high, and high efficiency and economical efficiency are achieved.

The application discloses a fruit essence preparation method, comprising the following steps: S1. mixing and stirring 2-acetyl-5-methyl furan 0.8-1.9 parts by mass, 2-ethyl furan 1.5-3 parts by mass, hop tincture 1.7-3.2 parts by mass, angelica root oil 1.1-2.5 parts by mass, linalool 1-3 parts by mass and 2,6-dimethyl-5-heptenal 1.3-2.8 parts by mass to obtain a fragrance base; and S2. mixing and stirring the fragrance base and solvent 70-80 parts by mass, adding a surfactant 7-12 parts by mass, and continuously stirring to obtain the fruit essence. The fruit essence prepared by the fruit essence preparation method has pure fruit aroma.

The invention discloses a fragrance-imitating jasmine essence. Compared with the prior art, the biggest difference is that the fragrance-imitating jasmine essence does not need to adopt fresh jasmine as a raw material for essence manufacturing, and the standardization difference, caused by the processing temperature, of products of all batches can be well overcome; the problem that volatile components are easy to degrade during high-temperature extraction or storage (such as unpleasant odor influence and product browning caused by linalool oxidation) when fresh jasmine is adopted as a raw material can be effectively solved.

The invention discloses a peroxisome positioning signal peptide and application thereof. The invention relates to an application of an N-terminal II-type peroxisome positioning signal peptide alone or in combination with a C-terminal I-type signal peptide in the biosynthesis of a compartment high-value compound. The invention comprises the construction of an auxiliary carrier of two peroxisome signal peptides, and covers the application of the auxiliary carrier in the biosynthesis of terpene substances such as limonene, linalool and patchouli alcohol, and flavonoid substances such as daidzein, genistein, 3-hydracrylic acid and coenzyme Q10. The peroxisome signal peptide disclosed by the invention can provide a new element for metabolic engineering modification of subcellular organelles of rhodotorula expansa.

This invention discloses a lemongrass fermentation broth, its preparation method, and its application. The lemongrass fermentation broth simultaneously meets the following conditions: it contains live Lactiplantibacillus microorganisms, and the total number of live bacteria is ≥1×10⁻⁶. 9 The fermented lemongrass broth contains cfu / mL and contains volatile active ingredients, including at least linalool and methyl heptenone. Compared with unfermented lemongrass raw materials, the content of methyl heptenone in the lemongrass fermentation broth has increased from undetectable to over 10%, and the relative content of linalool has increased to over 20%. This invention's lemongrass fermentation broth possesses both a high viable bacterial count and a specific spectrum of volatile active ingredients. Through microbial fermentation, it achieves the targeted transformation of volatile components in lemongrass raw materials, particularly significantly increasing the content of linalool, methyl heptenone, and various ester aroma components, thus possessing broad prospects for industrial application.

The invention discloses an agricultural synergist containing linalool and application of the agricultural synergist, and belongs to the technical field of killing agents for biopesticides. The agricultural synergist is prepared from the following components in parts by mass: 15 to 40 parts of linalool, 50 to 80 parts of mesoporous silicon dioxide nano carrier, 5 to 12 parts of surface functionalization modifier, 3 to 10 parts of carbon nano tube, 5 to 10 parts of enhancer, 5 to 15 parts of poly (N-isopropylacrylamide), 2 to 8 parts of chitosan or polyvinyl alcohol and 20 to 50 parts of deionized water. Slow-release loading of linalool is achieved through the mesoporous nano-carrier, and the insecticidal effect and stability are remarkably improved by combining surface modification and strengthening components. Experiments show that the insecticidal rate of the synergist to tetranychus urticae exceeds 90%, the 72-hour accumulative release rate is lower than 47%, and the suspending agent has no layering phenomenon and is suitable for spraying construction. The composition can be prepared into various dosage forms such as missible oil and a suspending agent, is especially suitable for the suspending agent form, and provides an innovative solution for long-acting prevention and control of biopesticide.

This invention relates to the field of flavoring technology, specifically to a flavoring containing coffee and cocoa compound extracts and its preparation method. The invention uses coffee extract, cocoa extract, isoprene acetate, menthol, cinnamyl alcohol, linalool, sodium octenyl succinate starch, locust bean gum, sodium di(lauramide-glutamine)lysine, an alcohol solvent, and water to prepare the flavoring. It reduces the amount of alcohol solvent used and employs sodium octenyl succinate starch, locust bean gum, and sodium di(lauramide-glutamine)lysine to increase the green safety of the flavoring, while reducing the adverse effects of organic solvents on human health and the environment. The flavoring of this invention has good heat and cold resistance, excellent stability, and is easy to store, transport, and use. It can also effectively improve the aroma quality of tobacco products and reduce off-flavors, showing good application prospects in cigarettes, cigars, and other products.