159 results about "Nerol" patented technology

The invention relates to a composition of mosquito preventing extract, which comprises components of 0-10wt percent of clove oil, 0-10wt percent of litsea cubeba oil, 0-10wt percent of eucalyptus oil, 0-50wt percent of pure linaloe wood leaf oil, 0-10wt percent of thyme oil, 0-20wt percent of citionella oil, 0-10wt percent of geranium oil, 0-20wt percent of aspic oil, 0-10wt percent of wintergreen oil, 0-10wt percent of dementholized peppermint oil, 0-10wt percent of cinnamon oil, 0-60wt percent of cedar wood oil, .0-10wt percent of michelia alba leaf oil, 0-10wt percent of rue oil, 0-10wt percent of rose oil, 0-10wt percent of tea tree oil. The rest of the composition is at least any one of the following aromatic alcohols: linalool, rhodinol, nerol, geraniol, isogeraniol, citronellol and terpineol. The average mosquito preventing efficiency of the composition of mosquito preventing extract can realize above 90 percent and the scent is widely acceptable to be more than 90 percent; the mosquito preventing method of the invention is simple and can be directly dispersed by ultrasonic or sprayed or dropped in a mosquito preventer device made of porous ceramic for naturally dispersing without heating.

The invention relates to a method for selective hydrogenation synthesis of nerol and geraniol mixture by using citral in a water-organic two-phase system. High selectivity of unsaturated alcohol cannot be easily obtained by the traditional selective hydrogenation method of a plurality of citrals. The method is characterized by comprising the following steps of: taking water soluble complex formed by the VIII-group water soluble metal salt and water soluble ligand as a catalyst, wherein the mass ratio of the water soluble salt of the VIII-group metal to the water soluble ligand is (0.001-0.01):1; carrying out selective hydrogenation on the citral in the water-organic two-phase system, stewing and layering after reaction is ended; continuing to mechanically apply the water phase containing the catalyst to the next reaction, wherein the organic phase is mixture of nerol and geraniol. The method is simple in process, high in conversion ratio of reaction, and high in selectivity; the catalyst has high activity and stability, and can be mechanically applied for a plurality of times in cycle; the cost is reduced when pollution is reduced; the method is suitable for industrial production.

The present invention relates to pesticides. More particularly, the present invention relates to botanical pesticides. In particular, the present invention relates to compositions and methods for controlling plant-infesting pests with plant extracts and notably with compositions comprising oil extracts derived from Chenopodium sp. plant material. The invention further relates to compositions comprising such extracts as pesticidal compositions and providing the advantages of minimal development of resistance thereto, minimal toxicity to mammals, minimal residual activity and environmental compatibility. The pesticidal compositions of the present invention comprises α-terpinene, ρ-cymene, limonene, carvacrol, carveol, nerol, thymol, and carvone.

The invention discloses preparation of a ruthenium-modified Ir/C catalyst and application of the ruthenium-modified Ir/C catalyst to citral hydrogenization. The catalyst comprises an active carbon carrier, and an active component comprises Ir nano particles and Ru nano particles, wherein the carrying capacity of the Ir nano particles is 1.0 to 5.0 percent, and the carrying capacity of the Ru nano particles is 0 to 4.0 percent. The invention further discloses a preparation method of the ruthenium-modified Ir/C catalyst. The preparation method comprises the following steps: firstly, treating active carbon through nitric acid, then carrying the active component including iridium and auxiliary ruthenium to obtain a catalyst precursor, and carrying out drying and reducing. As Ru replaces part of Ir, the catalyst disclosed by the invention is lower in cost, and also has higher catalysis activity and selectivity; furthermore, the catalyst can be used indiscriminately for multiple times, so that the production cost is reduced. When the catalyst is applied to citral hydrogenization to synthesize nerol, the raw material conversion rate is 100 percent, and the nerol/geraniol selectivity is up to 98.0 percent; the reaction process is mild in condition, and can completely meet the industrial production requirement.

The present invention relates to rose oil and its production process. The present invention uses rose of separated and screened Rosa Damascena Mill variety as material, and the rose oil contains cephrol 18-39 wt%, nerol 5-14 wt%, geraniol 14-29 wt%, paraffin 16-20 wt%, and phenylethanol <3.0 wt%. The present invention has high paraffin content and low phenylethanol content and scent lasting time as long as 48 hr, and features the sum of total geraniol and nerol content higher than cephrol content and thus special quality and scent. The present invention provides rose oil producing process with high production capacity, short processing time and rose oil yield as high as 0.035-0.050 %.

The invention discloses flower fragrance aroma essence for tobacco, which is mixed by the following raw material components by weight: 0.2-0.3 part of phenylacetaldehyde, 1-2 parts of lavender oil, 0.6-0.8 part of benzyl acetate, 5-8 parts of fragrant perilla oil, 1-5 parts of magnolia essential oil, 1-5 parts of nerol, 2-5 parts of citronellol, 1-3 parts of phenylethyl alcohol, 0.05-0.2 part of sweet osmanthus extracts, 1-3 parts of dendranthema indicum ultrasonic extracts, 0.6-0.8 part of linalyl acetate, 1-5 parts of rhodinol, 2-3 parts of alpha-ionone, and 58.9-83.5 parts of 95% ethanol. The invention prevents pollen gas of the flower extracts by extraction of various flowers. The invention realizes effective compounding of single raw materials, which is a scientific and effective method. The flower fragrance aroma essence for tobacco is blended by raw materials with flower fragrance aroma, and a proper amount of the essence can be added directly into surface fragrance essence for tobacco. The essence effect is improved, and convenience for essence development is provided; the cost is low, and the usage is convenient.

The method for synthesizing geraniol and neol from linalool is characterized by that in the linalool the transition metal or its oxide can be added as catalyst, the boric acid polyglycol ester or boric acid polylol ester whose molecular weight is 5000-10000 can be added as adjuvant, under the condition of that its pressure is 0.01-1.0 MPa and temp. is 50-250 deg.C they are reacted for 3-12 hr. inwhich the dose of the catalyst is 0.1-1.0% of mass percentage ratio of linalool. It can greatly reduce raw material cost, the catalyst and adjuvant can be continuously and repeatedly used.

The present invention relates to a bird repellent, specifically to a bird repellent composition, powder, granules, and a preparation method thereof. The bird repellent composition comprises a bird repellent perfume and the balance of an inorganic filler, water, a slow-release material capsule wall material and auxiliary agents, wherein the bird repellent perfume is three or four materials selected from 2.5-10% of methyl anthranilate, 0.2-1.0% of nerol, 1-5% of ethyl cinnamate, 0.05-0.5% of cinnamic aldehyde and 10-20% of cinnamamide. According to the present invention, water is adopted as a dispersing phase and gelatin and arabic gum are adopted as slow-release carrier capsule wall materials under effects of a plurality of auxiliary agents to prepare bird repellent effective component microcapsules, and then the microcapsules are mixed with an inorganic filler diatomite and calcium carbonate to prepare the bird repellent powder or granules for seed dressing; and the prepared bird repellent powder can be adopted to replace a large number of powder products prepared from pesticide raw materials on the market, and the bird repellent granules has a characteristic of convenient use, and has an advantage of long time efficacy providing compared with other formulations.

The purpose of the present invention is to provide antiseptic disinfectant, and cosmetics and toiletries, medicine or food containing the same, which enhance the antibacterial activity that 1,2-alkanediol originally have against a broad range of strains by compounding 1,2-alkanediol with 5-10 carbons and a certain fragrance component. The present invention relates to an antiseptic disinfectant, and cosmetics and toiletries, medicine or food containing the same, which include 1,2-alkanediol with 5-10 carbons, and one or more materials selected from a group of citral, geraniol, nerol, perillaldehyde, α-terpineol, dodecanol and L-carvone.

The invention relates to the field of pollination of crops, in particular to an effective method for increasing the flower visiting rate of bees. The flower visiting frequency and the number of flowers visited by the bees are increased by combining bee colony control and spraying of an attractant on plants. The method comprises steps as follows: a hybrid soybean field adopting bee pollination is selected; the structure of a bee colony is adjusted; the bee colony for pollination is transported to the soybean field, and the selected bee colony for pollination is transported to the hybrid soybean seed production field in the early stage of flowering of the soybeans; the attractant to be sprayed to the plants is prepared from linalool, benzyl alcohol, ocimene, geraniol, nerol, mushroom alcohol and 2-heptanone. The bee colony is released in the pollination field after being prepared, and the attractant is sprayed on flowers of crops in the flowering period of the crops to attract the bees to visit the flowers. The biological characteristic that pollen and smell are taken as one of approaches to food-source orientation of bee larva is utilized, a large quantity of bees are attracted, the number of the flowers visited by the bees and the natural pollination rate are increased, the yield of the crops is increased, and the method has the characteristics that the method is scientific, simple, convenient and easy to operate, low in cost and remarkable in effect and materials are low in price and easy to obtain.

The invention provides a compound air cleaning agent and a preparing method and application thereof. The compound air cleaning agent is formed by compounding multiple components of thyme essential oil, tea tree essential oil, castanea mollissima flower extracting solution, peony root and skin extracting solution, vine tea extracting solution, gardenia essential oil, osmanthus fragrans essential oil, costustoot essential oil, may lily of the valley alcohol, nerol, citric acid, 2-isopentyloxy allyl acetate, alcohol, assistant, 4-hydroxy-3-butylphthalide and deionized water. The air cleaning agent has the advantages of better sterilizing, mosquito repelling and aroma enhancing performances due to proper selecting of component and proportion and the coordinated action among the components, less using amount, long time effectiveness, and is more saved and fast in the aspect of life and use of people.

The invention discloses a thrips attractant containing, by weight, 50-70% of a plant extract, 5-10% of nerol, 5-10% of carvacrol and the balanced being ethanol. The plant extract, the nerol, the carvacrol and the ethanol are mixed according to certain ratio, so that the thrips attractant has good attractive effect on the thrips and can significantly improve prevention and treatment effect of agricultural compounds on the thrips. The thrips attractant has huge application potential in prevention and treatment of the thrips for crops.

The present invention relates to a bird repellent, specifically to a bird repellent composition, a microemulsion, a microcapsule suspending emulsion, and a preparation method thereof. The biological factor-rich perfume comprises three or four materials selected from 10-60% by weight of methyl anthranilate, 5-6% by weight of nerol, 0.5-1.5% by weight of ethyl cinnamate, 0.1-0.2% by weight of cinnamic aldehyde, and 22-28% by weight of cinnamamide. According to the present invention, water is adopted as a dispersing phase and gelatin and arabic gum are adopted as slow-release carrier capsule wall materials under effects of a plurality of auxiliary agents to prepare the bird repellent microemulsion and the bird repellent microcapsule suspending agent. According to the prepared liquid preparation product, birds can be effectively expelled under the premise of no harm on birds, the environmental protection characteristic is provided during use and a production process, and the product belongs to the real biological preparation harmless bird repellent product.

The invention discloses high-temperature resistance rose perfume and a preparation method thereof. The high-temperature resistance rose perfume is prepared from the following components according to apreset ratio: damascenone, damascone alpha, rose oxide, nonanol, geranium oil, vanillin, eugenol, sandal 208, benzyl acetate, ethyl phenylacetate, rosone, cinnamic alcohol, nerol, methyl cedryl ketone, 4-tert-butyl cyclohexyl acetate, geranyl acetate, benzyl benzoate, sandal 803, o-tert-butyl cyclohexyl acetate, geraniol, vanillin alcohol, phenylethyl alcohol, dipropylene glycol, an oak moss extractum, herba pogostemonis oil, tonalid, peach aldehyde, iso-mythyl ionone, bangalol radjanol, lilial, D-limonene, linalool, ambrotone, galaxolide and alpha-hexyl cinnamal. The rose perfume provided bythe invention is high in simulation degree and high temperature resistance ability.

The invention provides a making method for a Stethynium empoascae Subba Rao attractant. The attractant is formed by combination of tea shoot volatile nerol, n-pentanol, alpha-terpinene and careen six components in certain proportion, and is loaded on a wool felt to make a lure core. The dose of each component is 10<-2>g/mL-10<-6>g/mL, and each lure core contains the six information-substances with a total volume of 100-200 microliters. Usually, during September to November every year, the Empoasca vitis Gothe population in tea garden enter the autumn peak season, and have substantial damage to tea, the dominant natural enemy Stethynium empoascae Subba Rao increases significantly in number, in the full incidence beginning period, a large number of Stethynium empoascae Subba Rao are attracted by the attractant to parasitize Empoasca vitis Gothe eggs so as to greatly enhance the natural parasitic rate, lower the Empoasca vitis Gothe Empoasca vitis Gothe, and reduce chemical control. The attractant does not pollute the environment, has no residue, and is beneficial to protection and utilization of tea garden biodiversity.

The invention provides a catalyst and a method for preparing nerol and geraniol by using the same. By utilizing the method, a reaction can be carried out under mild conditions, the nerol and the geraniol can be prepared with high yield under the catalysis of the catalyst, and the method has the advantages of simple reaction process, low reaction cost, environmental friendliness and the like. According to the preparation method of the catalyst, zirconium dioxide is used as a carrier, and chitosan, platinum metal precursors and nickel metal precursors are loaded on the zirconium dioxide to prepare the catalyst; preferably, the mass ratio of the amount of the chitosan to the amount of the platinum metal precursors in terms of the platinum element is 0.1-10:1, preferably 4-6:1; the molar ratioof the platinum metal precursors in terms of the platinum element to the nickel metal precursors in terms of the nickel element is from 1:3-3:1, preferably from 1:1-2:1.

Directed at the problem that the fragrance of blended flavoring rose essence is greatly different from the fragrance of natural roses, the invention provides a flavoring rose essence for daily chemicals, belonging to the field of essence. The flavoring rose essence comprises the following components by mass: 45 to 55 parts of phenylethyl alcohol, 5 to 15 parts of citronellol, 1 to 10 parts of nerol, 1 to 10 parts of geraniol, 1 to 10 parts of rhodinol, 1 to 10 parts of ambrotone, 5 to 15 parts of galaxolide, 0.1 to 1 part of delta damascene, 0.01 to 0.1 part of rose oxide, 0.5 to 1.5 parts ofrose geranium oil, 0.1 to 1 part of damascenone and 10 to 20 parts of dipropylene glycol. By controlling the proportion of each component during preparation of the flavoring rose essence for daily chemicals, the aroma intensity of the flavoring rose essence for daily chemicals can be increased, the aroma given off by the flavoring rose essence for daily chemicals is closer to the natural aroma ofroses and is purer and richer, and thus, desired aroma can be generated by adding only a small amount of the flavoring rose essence into daily chemicals.

An object of the present invention is to provide a method for producing an alcohol-free beer-taste sparkling beverage imparted with a fruity aroma and a reduced off-flavor; and an alcohol-free beer-taste sparkling beverage imparted with a fruity aroma and a reduced off-flavor produced by the aforesaid production method. “The method for producing an alcohol-free beer-taste sparkling beverage imparted with a fruity aroma and a reduced off-flavor” in the present invention is characterized by use of a hop or a hop component stored and aged in the state of being in contact with air as a hop or a hop component used during a raw material liquid-boiling step, or adjustment of the contents of myrcene, linalool, and nerol in the beer-taste sparkling beverage so as to satisfy five particular numerical ranges by boiling the hop or the hop component in a raw material liquid.