43 results about "1-Octen-3-ol" patented technology

A method for attracting bed bugs includes placing a climb-up pitfall trap apparatus that includes a chemical lure composition. The lure composition includes a combination of (a) L-lactic acid, and (b) at least one fatty acid or salt selected from the group consisting of (1) propionic acid, (2) butyric acid, and (3) valeric acid, and (c) 1-octen-3-ol, and (d) a suitable ketone, and (e) a suitable aliphatic sulfide. The trap may also include in conjunction with the lure composition a carbon dioxide source and/or a heat source to compose a lure arrangement.

The present invention provides a bug housing for attracting, monitoring and detecting bugs, including bed bugs. The housing 10 includes first and second layers 12 and 14 being of any shape, and being held in a spaced apart configuration by suitable spacing devices, such as corner posts. At least one of the first and second layers 12 and 14 has at least one glue and/or adhesive area 32 layer thereon. The glue and/or adhesive area 32 includes therein lactic acid 40, scents or fragrances 50, hormones, human pheromones 60, and 1-Octen-3-ol for attracting, monitoring and detecting bugs.

The invention discloses a method for rapidly warning mildewing of tobacco and tobacco products and belongs to the technical field of rapid warning of mildewing of tobacco and tobacco products. The method includes performing sample injection by means of headspace solid-phase microextraction, determining a volatile organic compound 1-octene-3-alcohol featuring tobacco mildewing generation qualitatively and quantitatively rapidly by a gas chromatography/mass spectrometry external reference method, and warning tobacco mildewing in an initial stage when tobacco mildewing cannot be recognized by naked eyes so as to prevent loss caused by tobacco mildewing. Compared with an existing tobacco mildewing determining method by determining ergosterol by a gas chromatography or liquid chromatography-tandem mass spectrometry method in the tobacco industry, the method for rapidly warning mildewing of the tobacco and the tobacco products has the advantages that organic solvent extraction is not required in sample pretreatment, and accordingly, environmental friendliness is achieved; the tobacco or the tobacco products are placed in a headspace bottle directly and appropriate equilibrium temperature is set, thus, the method is rapid, convenient and high in sensitivity.

This invention relates to an isolated polynucleotide encoding a cytochrome P450 monooxygenase that in the presence of linoleic acid results in production of 1-octen-3-ol. The invention also relates to the construction of a recombinant DNA construct comprising all or a portion of the polynucleotide encoding the cytochrome P450 monooxygenases of the invention, in sense or antisense orientation, wherein expression of the recombinant DNA construct results in production of altered levels 1-octen-3-ol in a transformed host cell.

The invention relates to a lentinus edodes essence and a preparation method thereof. The lentinus edodes essence is prepared from the following raw materials: pentathiepane at the concentration of 0.2%, 1-octen-3-ol, 1-octen-3-one, 3-methylthiopropanol at the concentration of 1%, 3-propionaldehyde at the concentration of 1%, hexaldehyde at the concentration of 1%, heptaldehyde at the concentration of 1%, 4-methyl-5-hydroxyethyl thiazole, octanol at the concentration of 1%, 1,6-ethanthiol at the concentration of 1%, and propylene glycol, wherein the concentration means the mass concentration of the monomer essence diluted by propylene glycol. The lentinus edodes essence disclosed by the invention has strong and fresh lentinus edodes fragrance which is mellow and lasting.

The invention relates to a fish essence and a preparation method thereof. The fish essence is prepared from the following raw materials of: a trimethylamine water solution the concentration of which is 33%, 1-octylene-3-alcohol the concentration of which is 10%, 3-methylthio-propyl alcohol the concentration of which is 10%, 3-methylthio-propionic aldehyde the concentration of which is 10%, dimethyl sulfide the concentration of which is 10%, methyl methylthio-pyrazine the concentration of which is 10%, 4-methyl-5-ethoxyl thiazole, an MCP (methyl cyclopentane enol ketone) the concentration of which is 10%, ethyl maltol the concentration of which is 10% as well as propylene glycol, wherein the concentration is mass concentration of a monomer spice which is diluted by using propylene glycol, but the trimethylamine water solution concentration of which is 33% is not included. The fish essence provided by the invention has strong, mellow and long-lasting fish flavor.

The invention discloses mosquito attractant and a preparation method thereof. The mosquito attractant consists of 1-octene-3-alcohol and beta-cyclodextrin; and the weight ratio of the 1-octene-3-alcohol to the beta-cyclodextrin is: (0.5 to 2.5):(7.5 to 24.69). The weight ratio of the 1-octene-3-alcohol to the beta-cyclodextrin is: (0.5:9.5), (0.63:9.37), (1:9), (1.5:8.5), (2:8), (2.5:7.5) or (1.66:24.69). Approved by experiment, the mosquito attractant has attractive activities for culex tritaeniorhynchus and anopheles sinensis, mosquitoes can be attracted by smell substances which are volatilized by the attractant, and the mosquito attractant can be used for the species group monitoring and attraction and prevention of the culex tritaeniorhynchus and the anopheles sinensis.

The present invention provides a formulated-type shii-take essence which consists of methyl cyclopentenolone, ethyl maltol, 2-acetyl pyrazine, acetic acid, 3-hydroxy-2-butanone, isovaleric aldehyde, isoamyl acetate, tetrahydrothiophene-3-one, 1-octen-3-ol, 2,4-heptadienal, 2-ethyl-3-methyl pyrazine, 2-acetyl thiazole, caprylic acid, 5,6,7,8-tetrahydroquinoxaline, 1,6-hexanedithiol, 4-methyl-5-thiazolylethyl acetate, gamma-decalactone, dimethyl sulfide, 2-methyl-3-furanethiol, and glyceryl triacetate. The prevent invention also provides a preparation method for the formulated-type shii-take essence. The formulated-type shii-take essence is high in simulation degree, mellow and delicate in aroma, good in application effect, and economical and affordable in price.

The invention relates to a method for determining the organoleptic quality of a protein-rich microalgal biomass composition, comprising the determination of the content of 11 volatile organic compounds, wherein the 11 volatile organic compounds are pentanal, hexanal, 1-octen-3-ol, 2-pentylfuran, octanal, 3,5-octadien-2-ol (or 3-octen-2-one), 3,5-octadien-2-one, nonanal, 2-no-nenal, (E,E)-2,4-nonadienal and hexanoic acid.

The present technology relates generally to compositions, methods and systems entailing one or more microbial species or microbe derivatives therefrom or combinations of a microbial species pins at least one microbe derivative, in combination with one or more agricultural chemicals such as a fungicide, an insecticide, a nematicide, a bacteriocide, an herbicide or a mixture thereof for application to crops for enhanced growth and performance. The microbial species are preferably selected from the group consisting of Trichoderma virens, Trichoderma atroviride, Trichoderma afroharzianum, Trichoderma strain K1, Trichoderma strain K2, Trichoderma strain K3: Trichoderma strain K4, Trichoderma strain K5 and mixtures thereof. The microbe derivatives are preferably microbial metabolites selected from the group consisting of 6-pentyl pyrone, harzianic acid, hydtra 1, harzinolide, 1-octene-3-ol and mixtures thereof. The compositions are preferably applied to seeds of the crop or by any of the common methods onto the crop in the field.

The invention discloses a method for preparing a mosquito slow-release attractant. The method comprises the following steps: dissolving the following components by weight: 7-10 parts of 1-octen-3-ol, 2-5 parts of heptyl acetate and 6-9 parts of nonylacetate in an organic solvent with 100 parts in volume for later use; stirring 1000-7500 parts of polyatomic alcohol of which the molecular weight is less than 5000 for 60 minutes under the conditions that the temperature is 40-75 DEG C and the vacuum degree is -0.1Mpa; adding the solution for later use into the polyatomic alcohol; continuously stirring to be uniform under the conditions that the temperature is 40-75 DEG C and the vacuum degree is -0.1Mpa; adding 2500-10000 parts of isocyanate by weight; continuously stirring for 120 minutes; stopping stirring and vacuumizing to obtain the pasty mosquito slow-release attractant. With the adoption of the prepared mosquito slow-release attractant, culex pipiens pallens, aedes albopictus and other mosquitoes can be continuously effectively attracted with high attraction efficiency; the method is simple; the environment cannot be polluted by the raw materials; and the release speed is stable.

The invention relates to blended braised beef oily essence and a preparation method thereof. The blended braised beef oily essence is composed of 2-methyl-3-furanthiol, bis(2-methyl-3-furanthiol), furfurylmercaptan, furanone, methyl cyclopentenolone, 2,6-dimethytpyrazine, 2,3,5-trimethylpyrazine, hexanal, isovaleraldehyde, 1-octen-3-ol, anisic aldehyde, 4-methyl-5-thiazoleethanol, 2,3-dimethylpyrazine, leaf alcohol, linalool, 4-methyloctanoic acid, octanoic acid, butyric acid, 3-mercapto-2-butanol, acetic acid, ethyl maltol, 4-ethylguaiacol, anise oil, cinnamon oil and first-grade soybean oil. The blended braised beef oily essence mainly has the lean beef aroma, the beef fat aroma, the scorching aroma, the spicy aroma, the tomato aroma and the nut aroma.

The invention relates to a preparation method of a paddy rice injurious insect slow-release attractant, which belongs to the technical field of injurious insect prevention and control. The preparation method comprises the following steps: firstly soaking rice, then adding an alpha-amylase preparation and lactose to perform the culture, adding sodium alginate into a culture solution to obtain a viscous solution for standby use, then heating and pressurizing rice husk, swelling and softening the rice husk, drying and crushing the rice husk to obtain processed rice husk powder, separately adding 1-octen-3-ol, pentanal, maltol and vanilla phenol into tetrachloromethane, diluting and dissolving to obtain an attractive solution, and mixing the attractive solution, the processed rice husk powder and the standby viscous solution, thus obtaining the paddy rice injurious insect slow-release attractant. The attractant prepared by the preparation method is long in release time and uniform to release; by adopting the paddy rice as a slow-release base material and adding the attractant, the attractant has good attractive effect for various stored-grain injurious insects such as tribolium castaneum, rice weevil and sawtoothed grain beetle; and the process is novel, and the cost is low.

The present invention addresses the problem of providing a composition which can impart a rich and long-lasting body taste to a food or drink while neither masking the top aroma and/or flavor of the food or drink nor cutting off the last aroma and/or flavor thereof. A composition for imparting a body taste to foods and drinks which comprises a body taste-imparting substance and 1-octen-3-ol and/or 1-octen-3-one.

The invention relates to heat-resistant Acai berry essence and a preparation method thereof. The heat-resistant Acai berry essence is prepared from the following raw materials in parts by weight: 80-85 parts of Acai berry zymolyte, 7-9 parts of beta-cyclodextrin, 2-5 parts of an Acai berry flavoring base, and 1-1.5 parts of sodium tripolyphosphate, wherein the Acai berry flavoring base consists ofthe following raw materials in parts by weight: 1-1.2 parts of strawberry aldehyde, 0.7-0.8 part of acetic acid, 0.1-0.2 part of benzaldehyde, 0.1-0.2 part of benzyl benzoate, 0.3-0.45 part of isovaleric acid, 0.11-0.13 part of methyl cinnamate, 0.6-1 part of sweet orange oil, 0.02-0.04 part of 1-octen-3-ol, 0.10-0.12 part of beta-damascone, 0.04-0.07 part of linalool, 0.12-0.17 part of strawberry acid, 0.60-0.75 part of vanillin, 0.2-0.3 part of ethyl lactate and 63-70 parts of propylene glycol. The Acai berry essence is good in aroma increasing effect, and long in aroma duration.

The present invention addresses the problem of providing: a composition capable of imparting to a foodstuff a desirable aroma and/or flavor inherent in a brewed or fermented food or in a seafood extract; a foodstuff having the aroma and/or flavor inherent in a brewed or fermented food or in a seafood extract; and a production method for said foodstuff. The production method for the foodstuff includes a step in which a 1-octen-3-ol and/or a 1-octen-3-one, a lower fatty acid, and a methional are added to the foodstuff, such that the additive concentration of the 1-octen-3-ol and/or a 1-octen-3-one is 0.00006-0.065 ppm by weight, the additive concentration of the lower fatty acid is 0.0006-0.7 ppm by weight, and the additive concentration of the methional is 0.2-230 ppm by weight.

The invention discloses a synthesis method of 1-octylene-3-alcohol. The method comprises the following steps: (1) generating a Grignard reagent by virtue of reaction of bromopentane and maganesium; (2) generating 1-octylene-3-alcohol by virtue of reaction of the Grignard reagent and acrolein; and (3) carrying out after-treatment, namely stirring and hydrolyzing the 1-octylene-3-alcohol at the temperature of -2 to 3 DEG C, adjusting the pH value to be 1-5, carrying out vapor distillation, collecting distilled products at a boiling range of 60 to 65 DEG C under the pressure of 800Pa, and collecting the distilled products in different phases, thereby obtaining the 1-octylene-3-alcohol. The method is simple in process and high in yield, and waste water can be partially recycled.