162 results about "Terpene Compound" patented technology

The invention discloses a method for refining and concentrating citrus essential oil, which belongs to the technical field of natural plant essential oil refining and includes 1 preparation of crude essential oil; 2 degassification of the crude essential oil; 3 molecular distillation of the crude essential oil; 4 quality inspection of concentrated essential oil and other steps. The molecular distillation technology is used for refining and concentrating the citrus essential oil, heat-sensitive components in the essential oil can be protected effectively, no additive is added, and solvent is free of residue. The method achieves efficient separation of terpene compounds and terpene oxides in the citrus essential oil, enables relative content of residual oxides after distillation to be increased to 5-20 times of that of original oxides, and remarkably improves aroma value of the essential oil. Product aroma is strong and fresh, and characteristic aroma is remarkable. The method can be popularized and applied in citrus production places and related enterprises.

The present invention relates to an epoxy resin composition for sealing photosemiconductor, the epoxy resin composition containing

(A) a bisphenol-type epoxy resin represented by the following formula (1)

(in the formula, R₁s represent hydrogen atom, a C1-C8 alkyl group, a halogen atom; R₂s represent hydrogen atom, a C1-C5 alkyl group, a halogen-substituted (C1-C5) alkyl group or phenyl group; n represents an integer), where the ratio of the total content of such bisphenol-type lower molecular epoxy resins with n=0, 1 or 2 is 10% by weight or more of the whole resin;

(B) a terpene backbone-containing polyvalent phenol curing agent prepared by adding two molecules of phenols to one molecule of a cyclic terpene compound; (C) a curing-promoting agent; (D) at least one resin selected from the group consisting of epoxy resins except for the component (A) and novolak resins as a curing agent; and an photosemiconductor device sealed with the cured material of the composition, where the composition has great workability and good productivity of sealed photosemiconductor, so that the resulting photosemiconductor sealed with the cured material of the composition has great solder reflow resistance after moisture absorption and good thermal resistance for HC.

The invention relates to a low-salt compound flavored pickle of jerusalem artichoke and a preparation method of the low-salt compound flavored pickle, belonging to the technical field of food processing. The method comprises the following steps: with certain quality of jerusalem artichoke, Chinese cabbage and cowpea as main raw materials, preparing a pickling liquid from water, salt, white sugar, chilli, pricklyash peels and ginger slices; adding a brittleness-keeping agent prepared from CaCl2, gelatin and pectinase, inoculating a leavening agent prepared from lactobacillus pentosus and lactobacillus plantarum, and producing the low-salt compound flavored pickle of the jerusalem artichoke; and packing, sterilizing, cooling to prepare the low-salt compound flavored pickle. According to the method, rapid production of the low-salt and high-quality flavored pickle of the jerusalem artichoke is realized; peeling is not needed; a color retention agent or a preservative is not added; the process is simple; the cost is low; the bioactive substances such as synanthrin and fructo-oligosaccharide are preserved to the maximal extent; meanwhile, new functional factors such as functional terpene compounds are generated by fermentation; the low-salt compound flavored pickle is bright in color and luster, sour, crisp and refreshing, and unique in flavor, and has the healthcare efficacies of appetizing, helping digestion, improving digestion, preventing decayed tooth, preventing obesity, lowering blood glucose and improving the immunity.

A method for the extraction and isolation of the terpene and isoprenoid compounds from plant material, followed by a centrifugal force induced selective crystallization of isoprenoids resulting in a separation of terpene and isoprenoid fractions. This this method is suitable for the extraction of cannabinoids from Cannabis and the enrichment tetrahydrocannabinolic acid and reduction of tetrahydrocannabinol in an extract.

The invention provides a method for extracting propolis by simulative biological fluid bed supercritical CO2 fluid, which comprises that: bran (or rice bran and the like) taken as biomembrane carrier and original gum particles after physical treatment simulate a fluid bed in an extraction kettle to perform gridded filling, the supercritical CO2 fluid is used for extraction, and the lowest speed of a granular bed converting from a stationary state to fluidization is regulated by regulating temperature, pressure and flow rate of the fluid in the extraction process so as to reach the critical fluidization state; therefore, high-quality and high-yield propolis extract is obtained through a cyclic process of fluidization diffusion, dissolution and separation between granules and the fluid. The method improves the yield of the propolis extract, reduces the cost, and extracts nearly all terpene compounds and 40 to 50 percent of flavonoid compounds in the propolis at the same time; and products do not have organic solvent.

Firstly, CO2 or propane are used as solvent to make supercritical extraction of effective component of propolis, then ethyl alcohol or ethyl acetate or ethylene glycol and its aqueous solution are used as solvent to make microwave auxiliary extraction of residual effective component being in propolis. Said invention utilzies supercrilical CO2 extraction process to obtain almost complete terpenes compounds and 20-30% of flavone compound being in propolis which contains no organic solvent. Said invention utilizes microwave auxiliary extraction process to high-effectively recover residual effective component.

The invention is suitable for the technical field of pesticide solvents, provides a plant source green and environment-friendly solvent and simultaneously provides a method for preparing the plant source green and environment-friendly solvent from destructive distillation turpentine. The plant source green and environment-friendly solvent comprises the following components in percentage by mass: 10 to 40 percent of pinene, 10 to 40 percent of D-limonene, 5 to 15 percent of longifolene, 5 to 15 percent of camphene, 3 to 15 percent of dehydroabietic acid, 1 to 10 percent of pinane and 0 to 2 percent of antioxygen. The preparation method comprises the following steps: (1) pulverizing and dehydrating the turpentine; (2) performing dry distillation and collecting lysate; (3) washing the turpentine by alkali liquor, standing the washed turpentine for fractional distillation; (4) performing dehydration; and (5) adding the antioxygen for uniform dissolution to prepare the plant source green and environment-friendly solvent. A raw material adopted by the solvent is the turpentine of pine trees, and is low in cost; the preparation method has simple process, environmental protection and lessenergy consumption; decomposition components give priority to safe and environment-friendly components, such as a terpene compound and the like and can be controlled; and the plant source green and environment-friendly solvent has low production cost, safety and environmental protection, and is beneficial for people.

A sullage ciearing agent for runway,uses water as dispersion medium of dispersion system which contains terpene compound(0.1-20%), hydrocarbon and another compound compound (0.05-15%),no ion and/or negetive ion surface active agent the other is water spray the sullage ciearing agent on sullage of runway and taxitrack of airport,after one hour,the sullage is immersed, expanded and becomes unstable to fall off from the surface,which can be washed to be clean. It is suitable dor clearing sullage on runway of concrete and bitumen,has good effect,convenient operation,is friendly to the environment,as well as will not destroy mark paint, lighting fixture of runway.

The invention discloses a detecting method for trace amount aroma components in a natural aromatic product. The detecting method mainly comprises steps of: puffing and trapping pre-treatment, puffing and trapping of volatile components, thermal desorption cold hydrazine system enrichment components, GC-MS analyzing and the like. The detecting method enriches substances of the natural product by a sample pretreatment technique-puffing and trapping/thermal desorption; compared with the traditional static headspace, the puffing and trapping technique can analyze volatility and semi-volatile compound with high molecular weight, has stronger analytical capacity on the identification of olefine, is particularly suitable for analyzing trace amount terpene compound with volatility components such as essential oil and the like, does not need using a dissolvent for extraction, can cause experimenters not to expose in potential hazardous chemicals and does not need to carry out waste treatment on the dissolvent. The detecting method has simple operation, high automation degree, environmental friendly, good enrichment effect and high sensitivity.

The invention provides a method for preparing a botanical environment-friendly solvent, and in particular relates to a method for preparing the botanical environment-friendly solvent from pine resin through ultrasonic catalytic cracking. Raw materials for preparing the botanical environment-friendly solvent are all from the pine resin, and have low price; the ultrasonic catalytic cracking method adopted has simple process, mild cracking conditions, environmental protection, and low energy consumption; cracking products are mainly safe and environment-friendly components such as terpene compounds and the like; and the obtained botanical environment-friendly solvent has high yield, low price, no conflict with human, and safety and environmental protection.

The invention discloses a novel botanical pesticide. In the invention, pure natural terpene compounds are taken effective pesticide ingredients. The novel botanical pesticide is prepared from the following raw materials by mass percent: 10-20% of alpha-pinene, 15-30% of beta-pinene, 20-30% of alpha-terpinene, 10-25% of iso-terpinene, 18-25% of limonene, and 4-8% of emulsifier. The invention further discloses a preparation method of the pesticide. The preparation method comprises the following steps: successively adding alpha-pinene, beta-pinene, alpha-terpinene, iso-terpinene and limonene in a reactor, and stirring to obtain a mixture A; then adding the emulsifier in the mixture A, and stirring to obtain the novel botanical pesticide which is the clear and transparent liquid. The novel botanical pesticide disclosed by the invention can rapidly and effectively kill various pests, has the advantages of no toxicity, no harm, no pollution and the like, and is an ideal pesticide.

The invention discloses a phthorimaea operculella zell attractant comprising the following components in parts by volume: 8-10 parts of alcohol compound, 0.5-1.5 parts of ester compound, 2-3 parts of aldehyde compound, 1-3 parts of terpene compound and 0.1-0.5 part of other compound, wherein the alcohol compound is any one of 1,8-eucalyptol and palustrol; the ester compound is any one of methyl jasmonate, anti-4, cis-7-C13 diene acetate and anti-4, cis-7, 10-C13 triene acetate; the aldehyde compound is any one of heptaldehyde, octyl aldehyde and nonaldehyde; the terpene compound is any one of limonene, phellandrene, terpinene, caryophyllene, pinene, elemene, ocimene, germacrene, farnesene and isolongifolene; and the other compound is any one of nicotine, solanone, norsolandione and para-cymene. The attractant is environment-friendly, does not injure natural enemies of pests and has remarkable attracting effect on phthorimaea operculella zell adults.

The presently claimed and disclosed invention(s) provides a therapeutically effective composition and method of inhibiting nerve cell transmission. In a preferred embodiment of the presently claimed and disclosed invention(s), the treatment of neuropathic pain utilizing terpene compounds isolated from plant essential oils or manufactured synthetically is detailed. These compounds, such as geraniol and citronellol, as well as chemical analogs thereof, used in combination or individually, can be used alone or in a composition with a pharmaceutically acceptable carrier in a suitable dosage form.

A process for preparing water-soluble high-concentration orange essence includes high-vacuum fractionating by use of the active component capturing system and falling-film evaporator to avoid the loss of active components and the thermal polymerization of terpene compounds, short-route distilling for separating aldehyde, ketone, ester and alcohol and removing water-insoluble hydrocarbon, capturing the fragrant component, mxiing with the refined oil of orange, tangerine, lemon, etc, and dispensing.

The invention relates to terpene essence for cigarettes prepared by utilizing terpene compounds, a preparation method and a use thereof. The preparation method of terpene essence for cigarettes comprises a preparation step of surfactant-coated lipase and an enzymolysis step of terpene compounds. Terpene essence for cigarettes can be used for smoking materials and has a good effect of aromatic flavoring and obviously improves plumpness and harmony of smoke. The method provided by the invention can shorten the reaction time of essence from 10-15 hours to 5-6 hours in a preparation of terpene compounds, reduce the reaction temperature from 120-160 DEG C to 25-40 DEG C, therefore volatilization loss of perfume compounds is reduced from 11-18% to 0.5-1.0% through a thermal cracking method, thequality of products is improved, and meanwhile no discharge of industrial wastes is achieved.

The present invention discloses a camphor deodorizing liquid for formaldehyde elimination and a preparation method therefor. The camphor deodorizing liquid for formaldehyde elimination of the invention comprises the following components: 90 to 110 parts by weight of an ethanol extract of purebred camphor and 5 to 15 parts by weight of an essence. The camphor deodorizing liquid for formaldehyde elimination of the invention contains the ethanol extract of purebred camphor, and the extract comprises large amounts of polyphenols, lignans and terpene compounds which can be subjected to chemical reactions with the formaldehyde in the air to allow the formaldehyde to be turned into non-toxic harmless substances, thus eliminating the hazards of formaldehyde. The camphor deodorizing liquid for formaldehyde elimination of the present invention can be further processed into an aerosol which is simple in operation, and suitable for household use.

The invention provides six novel terpene compounds obtained by purifying traditional Chinese medicine ganoderma lucidum, a pharmaceutical compound using six novel terpene compounds as active ingredients, a preparation method of the novel terpene compounds and application of the novel terpene compounds in the preparation process of pharmaceuticals and health-care foods for treating diabetic nephropathy or chronic kidney diseases. The compound has the remarkable inhabitation effect on rat glomerular cell strain secretion IL-6 induced by high glucose, Fibronectin and IV collagen and active oxygen effect. The compound has application prospect in preparation of the pharmaceuticals for treating diabetic nephropathy or chronic kidney diseases.

To develop a means for effectively utilize terpene compounds contained in tree leaves, whereby branches and leaves cut in tree thinning and pruning can be effectively utilized as a resource. For this purpose, provided are a monoterpene component-rich essential oil containing 90% or more of monoterpene components; a method for producing the monoterpene component-rich essential oil which includes subjecting coniferous leaves to microwave steam distillation and collecting a distillate thus obtained; and a method for removing environmental pollutants which includes bringing the monoterpene component-rich essential oil into contact with atmosphere containing the environmental pollutants.