227 results about "Benzyl benzoate" patented technology

A nonaqueous, single-phase vehicle that is capable of suspending an active agent. The nonaqueous, single-phase vehicle includes at least one solvent and at least one polymer and is formulated to exhibit phase separation upon contact with an aqueous environment. The at least one solvent may be selected from the group consisting of benzyl benzoate, decanol, ethyl hexyl lactate, and mixtures thereof and the at least one polymer may be selected from the group consisting of a polyester, pyrrolidone, ester of an unsaturated alcohol, ether of an unsaturated alcohol, polyoxyethylenepolyoxypropylene block copolymer, and mixtures thereof. In one embodiment, the at least one solvent is benzyl benzoate and the at least one polymer is polyvinylpyrrolidone. A stable, nonaqueous suspension formulation that includes the nonaqueous, single-phase vehicle and an active agent, and a method of forming the same, are also disclosed.

The invention relates to a no-clean lead-free tin welding wire and a preparation method thereof, wherein the lead-free welding wire is composed of 2 to 3 percent of flux and 97 to 98 percent of lead-free solder. The lead-free solder is composed of 0.5 to 0.7 percent of Cu, 0.03 to 0.05 percent of Ni, 0.01 to 0.02 percent of P, 0.005 to 0.01 percent of Ga and the remnant amount of Sn. The No-clean flux is composed of 1.0 to 4.0 percent of organic acid active agent, 0.5 to 5.0 percent of halogenated derivative active solvent, 2.0 to 5.0 percent of heat-resistant resin , 1.0 to 4.0 percent of cosolvent, 2.0 to 5.0 percent of high boiling point solvent and the remnant amount of modified rosin. The cosolvent belongs to ester compound and the high boiling point solvent is the mixed solvent of one or more of the SAF-25, dioctyl sebacate, benzyl benzoate, dioctyl adipate. In the preparation of the welding wire, the key point is first to form the alloys of Sn with other metals, and then the alloys can be added to the tin for melting. The lead-free welding wire of the invention has good heat resistance without halogen, low flux spattering, low odor, non-corrosive flux residue, strong practical feature, good electrical insulation after being welded, crack-free flux residue and high reliability.

The present invention provides a flavoured product comprising four or more flavour materials having antimicrobial properties and selected from the group comprising nonanol, decanol, nonanal, decanal, amyl propionate, anethole synthetic, anisic aldehyde, basil oil, benzyl benzoate, benzyl butyrate, benzyl formate, camomile oil, cinnamic aldehyde, cis-3-hexenol, clove bud oil, damascone, ethyl acetoacetate, eucalyptus oil, ginger, isoamyl acetate, menthol laevo, methyl cinnamate, methyl salicylate, orange oil, rosemary oil, tarragon, Tea Tree oil, and peppermint oil; and one or more antimicrobial agents selected from the group comprising triclosan, pyrophosphates, zinc salts, cetylpyridinium chloride, parabens, stannous salts, sodium dodecyl sulphate, chlorhexidine, copper salts, strontium salts, peroxides and sanguinarine.

The invention discloses an astragaloside IV injection preparation (small injection, powder injection, glucose fluid infusion and sodium chloride fluid infusion), and the process for its preparation, wherein the auxiliary solvent and solvent assisting deflocculating agent are screened, which has proved that propylene glycol, ethanol, glycerin, polyethylene glycol, benzyl benzoate and acetic acid dimethylamide has solubilization function for astragaloside IV.

The invention relates to a local anesthetic sustained-release preparation with phospholipid-mixed solvent-oil as a carrier, and a preparation method thereof. The sustained-release preparation is prepared from local anesthetic as an active ingredient and a mixture of phospholipid-mixed solvent-oil as a sustained-release drug delivery system, and selectively is prepared from an antioxidant, whereinthe local anesthetic is selected from one of bupivacaine or ropivacaine free base or a mixture thereof; the mixed solvent is a mixture of benzyl benzoate and one or two of benzyl alcohol, ethanol; theantioxidant is vitamin E acetate, lipoic acid and the like; in the phospholipid-mixed solvent-oil mixture, the content of phospholipid does not exceed 50%, the content of benzyl benzoate does not exceed 10%, and the rest is oil.

The invention belongs to tobacco field, especially relating to a method for measuring phthalic acid ester (PAE) in water-based adhesive for tobacco. The method comprises the following steps: extracting phthalic acid ester (PAE) in water-based adhesive for tobacco by acetone, measuring by gas chromatography, using HP-5 or an equivalent chromatographic column, using a flame ionization detector (FID) and taking benzyl benzoate as an internal standard substance. The method for measuring phthalic acid ester (PAE) in water-based adhesive for tobacco provided by the invention is accurate in measurement, simple in operation, high in sensitivity and good in repeatability, which is applicable to carrying out qualitative and quantitative measurement on phthalic acid ester (PAE) in water-based adhesive for tobacco for technicists in enterprises of tobacco field and tobacco bonding adhesive and fills up the technical gap in the field.

The invention relates to the field of dyeing, in particular to a short-process low-temperature dyeing aid and a preparation method thereof. The short-process low-temperature dyeing aid is characterized by mainly comprising the following components in percentage by weight: maleic acid acrylic copolymer, sodium ethylene diamine di-orthohydroxyphenyl aceticacid (EDDHA), ethylene diamine tetra sodium, hydantoin, alkyl polysaccharide, ethylene glycol phenylate, sodium glycinate, tristyrylphenol ethoxylates sulfonate, secondary alcohol polyoxyethylene ether, benzyl benzoate and the like. Compared with the prior art, the aid and the method have the advantages that the conventional pretreatment and dyeing processing mode of polyester and blended (yarns) fabrics is thoroughly changed, namely pretreatment processes of the yarns and the fabrics which comprise a yarn and knitwear oil removing process, a woven fabric desizing process, a slight decrement process, a polyester / cotton fabric bleaching treatment process and other processes are combined with a dyeing process to form a one bath treatment process; and the dyeing temperature of one bath dyeing is reduced, reduction clearing processes of most of dyed fabrics are eliminated, water is saved by more than 60 percent, and electricity is saved by more than 30 percent.

The invention relates to a process of preparing phenylformic acid through liquid phase oxidation of methylbenzene, in particular to preparation of the phenylformic acid by taking a complex of one or more metal ions of cobalt, manganese, copper and cerium as a catalyst, taking molecular oxygen as an oxidant, taking ester compounds containing aromatic rings as a solvent, and performing catalytic selective oxidation on the methylbenzene. The process has the advantages that: (1) the process adopts a homogeneous complex catalyst, and has high conversion rate of the methylbenzene; (2) the process has mild oxidation reaction conditions, and the methylbenzene has high selectivity to generate a phenylformic acid target product; (3) the process uses the air to oxidize the methylbenzene, takes the ester compounds containing the aromatic rings such as methyl formate or nzyl benzoate as the solvent, has high concentration of oxygen in the system, and is favorable for the oxidation of the methylbenzene; and (4) a product mixture mainly contains the phenylformic acid and the ester compounds taken as the solvent, and has simple product separation.

Long term storage stable fulvestrant-containing compositions are disclosed. The compositions can include fulvestrant; a solvent selected from dimethyl sulfoxide (DMSO), glycofurol, N-methyl pyrrolidone, and mixtures thereof; an oil mixture selected from a mixture of caprylic and capric triglycerides, a mixture of caprylic, capric and linoleic triglycerides, a mixture of caprylic, capric and succinic triglycerides, and a mixture of propylene glycol dicaprylate and propylene glycol dicaprate; and a sustained release member selected from benzyl benzoate, dihydrolipoic acid, benzyl alcohol and lipoic acid. The fulvestrant-containing compositions have less than about 5% total impurities, on a normalized peak area response (“PAR”) basis as determined by high performance liquid chromatography (“HPLC”) at a wavelength of 223 nm, after at least about 24 months of storage at a temperature of from about 5° C. to about 25° C.

The invention discloses an anti-mite fabric care composition and an application method thereof. The composition comprises (a) 0.05 to 3.0% of an anti-mite agent which is one or a composition of more than two selected from the group consisting of geraniol, benzyl benzoate, 2-(2-Hydroxypropan-2-yl)-5-methylcyclohexanol and tannic acid, and (b) the balance of a carrier. The composition has substantial anti-mite performance. The anti-mite fabric care composition is suitable for being used in a stock solution injection manner or acts on a fabric or furniture with mites in the form of stock solution spray under the action of a spraying device so as to kill the mites.

The invention relates to a method for preparing benzaldehyde by oxidizing toluene. Currently, no method for producing the benzaldehyde has simple reactions as well as high toluene percent conversion and benzaldehyde selectivity. The raw materials comprise 1-59% of toluene, 0.005-5% of master catalyst, oxygen source and 40-98% of benzyl benzoate, wherein the mol ratio of oxygen molecules in the oxygen source to toluene is (0.3-3):1, and the master catalyst is one or more than two of cobalt ions, manganese ions, vanadium ions and nickel ions. The method comprises the following steps: mixing the toluene, master catalyst and benzyl benzoate in a reactor; at the temperature of 140-300 DEG C and under the absolute pressure of 0.05-1.0 MPa, introducing the oxygen source into the mixed liquor to react for more than 2 hours; and refining the mixed liquor to obtain the benzaldehyde. The toluene percent conversion is higher than 30%, and the benzaldehyde selectivity is higher than 70%. The invention has the advantages of simple reaction, energy conservation, environmental protection, easy separation of products and solvent, and high toluene percent conversion and benzaldehyde selectivity.

The invention discloses a method for preparing a polyvinylidene fluoride micro-porous film with a thermal induced phase separation method, belonging to the technical field of preparation of a polyvinylidene fluoride micro-porous film. The method comprises the following steps of: mixing a polyvinylidene fluoride resin with a cosolvent consisting of weak and strong action potential solvents, wherein the weak action potential solvent is benzyl benzoate or dibutyl sebacate, and the strong action potential solvent is dimethyl phthalate, monoglyceride or benzophenone; heating for dissolving into a homogeneous mixture; and cooling and scraping into a flat plate film or spinning into a hollow fiber film. The method has the advantages that: by adjusting the mixture ratio of the strong and weak action potential solvents in the cosolvent, the compatibility with PVDF (Polyvinylidene Fluoride) can be adjusted, and the microcellular structure and size of the film can be further controlled. Moreover, a PVDF film prepared with the method has high strength, which can be up to 9.5MPa; and the water flux is high, and can be up to 705 L / (m<2>.bar.h).

A flavour composition comprises at least 0.5% by weight of one or more of the following group A materials: cinnamic aldehyde, basil oil, tarragon, cis-3-hexenyl acetate, cis-3hexenol, orange oil, lime, citral, and damascone; and at least 3% by weight of one or more of the following group B materials: anethole synthetic, alcohol C10, eucalyptol, methyl salicylate, clove bud oil, carvone laevo, benzyl benzoate, thymol, benzaldehyde, benzyl formate, ethyl salicylate, eucalyptus oil, ionone alpha, iso amyl acetate, rosemary oil, cardamom oil, ginger, eugenol, camomile oil, spearmint, and peppermint. These materials have been identified as being capable of inhibiting the growth of Porphyromonas gingivalis or the protease (arg-gingipain) activity of Porphyromonas gingivalis, and so to possess hitherto unappreciated antimicrobial properties. The invention thus enables compositions to be defined comprising flavour materials that enhance the antimicrobial efficacy of known antimicrobial agents against micro-organisms or metabolic processes associated with gum diseases. The invention also provides a consumer product, particularly an oral or dental care product, including such a flavour composition; a method for reducing or preventing gum disease; and use of the flavour compositions for reducing or preventing gum disease.

The invention relates to the technical field of daily chemical fabric washing products, in particular to a detergent composition with a mite control function. As benzyl benzoate and methyl dihydrojasmonate with certain content are added in the detergent composition, the detergent has the effect of inhibiting mites from invading washed textile; and moreover, as appropriate amount of surfactant anddetergent assistant are cooperated with benzyl benzoate and methyl dihydrojasmonate, the coordination effect among components is increased, and as a result, the detergent composition has a better mitecontrol effect.

The invention relates to a no-clean lead-free solder flux which is composed of following components by weight ratio: 1.0 to 4.0 percent of the organic acid active agent, 0.5 to 5.0 percent of halogenated derivative active solvent, 2.0 to 5.0 percent of heat-resistant resin, 1.0 to 4.0 percent of cosolvent, 2.0-5.0 percent of high boiling point solvent and the remnant amount of modified rosin. The cosolvent belongs to ester compound and the high boiling point solvent is the mixed solvent of one or more of the SAF-25, dioctyl sebacate, benzyl benzoate, and dioctyl adipate. The flux can effectively work with the lead-free solder to form the lead-free welding wire. The invention has good welding property without amine odor, good electrical insulation and heat resistance, and low ion contamination level, and particularly has no halogenated ionic residues after be welded.

The invention discloses a synthetic method of benzyl benzoate and belongs to the field of organic synthesis. The synthetic method comprises the following steps of adding sodium benzoate, benzyl chloride and a solvent in a reaction vessel, and performing reaction under the environment with the temperature of 60-100 DEG C to produce the benzyl benzoate; after reaction is finished, performing cooling, filtering the cooled benzyl benzoate to remove sodium chloride solids which precipitate from a reaction solution; after removing the solvent from the reaction solution with steaming, filtering excess sodium benzoate; removing low-boiling substances and high-boiling substances in a product from a filtrate solution through distillation and rectification to obtain a finished product. By avoiding use of a catalyst, the method is short in reaction time, simple in reaction condition and high in product yield.

The invention discloses an environment-friendly dacron dyeing repairing agent which is prepared from the following raw materials in parts by weight: 45-55 parts of benzyl benzoate, 20-25 parts of dibutyl maleate, 15-25 parts of isomeric deca-alcohol phosphate and 5-10 parts of tween-80, wherein benzyl benzoate is a plasticizer and a solvent, dibutyl maleate is a main detergent, isomeric deca-alcohol phosphate is a main penetrant and an emulgator, and tween-80 is an emulgator. When dacron fiber is dyed at a high temperature (at 130 DEG C or even higher), disperse dye is easier to migrate from inside of fiber to outside of fiber under the synergistic effect of benzyl benzoate and dibutyl maleate, so that disperse dye is re-arranged in dacron fiber so as to realize true uniform color. Raw materials adopted by the scheme do not contain substances of very high concern (SHVC) forbidden in Europe such as APEO (Alkylphenol Ethoxylates) and the like, and the repairing agent is in accordance with demand of European Union Okeo-TexStandard 100 and REACH (Registration, Evaluation and Authorization of CHemicals), and is the environment-friendly dacron dyeing repairing agent.

The invention relates to an emulsion for injection, which is used for controlling parasites in vitro and in vivo. The emulsion for injection comprises the following components: 0.5 percent to 1 percent (w / v) of ivermectin, 5 percent to 10 percent (w / v) of benzyl benzoate, 2.5 percent to 5 percent (w / v) of poloxamer, 5 percent to 20 percent (w / v) of refined soybean oil, and the balance of distilled water. In the formula, v is volume unit ml, and w is weight unit g. The ivermectin emulsion for injection is an oil-in-water emulsion, wherein the ivermectin is a macrolide medicine with the antiparasitic activity, the poloxamer is an emulsifier, the benzyl benzoate is a medicine dissolving agent, the refined soybean oil is an oil-phase diluent, and the distilled water is a water-phase diluent. The emulsion for the injection has favorable repelling and killing action to the parasites both insides and outsides the animal body, has wide use range, and can be used for various animals including big animals such as cattle, sheep, pigs and the like, small animals such as dogs, cats, pets and the like as well as economical animals such as foxes, martens, racoon dogs and the like.

Sympathetic nerve-stimulating fragrant compositions with weight-loss effects, characterized by containing one or more selected from among fennel oil, grapefruit oil, pepper oil, hyssop oil, sage oil, estragon oil, eucalyptus oil, rosemary oil, cinnamon oil, clove oil, ylang ylang oil, ginger oil, geranium oil and olibanum, or one or more from among limonene, pinene, myrcene and benzyl benzoate as the active ingredients in the oils, and preferably also containing caffeine.

The invention discloses Chinese herbal medicine antibacterial cotton fibers. The Chinese herbal medicine antibacterial cotton fibers are characterized by being prepared from the following raw materials in parts by weight: 20-23 parts of cotton fibers, 10-13 parts of modal fibers, 8-10 parts of bamboo pulp fibers, 7-9 parts of banana stem fibers, 5-8 parts of down feather fibers, 1-3 parts of sophora alopecuroide extract powder, 1-2 parts of attapulgite, 0.4-0.8 part of ammonium persulfate, 1.3-3.5 parts of glycine betaine, 18-22 parts of ethylene glycol monophenyl ether, 15-17 parts of benzyl benzoate, 4-5 parts of wild chrysanthemum, 3-4 parts of jasmine flowers, 1-2 parts of lonicera japonica, 100-110 parts of 1-ethyl-3-methylimidazolium diethylphosphate, 106-110 parts of 1-butyl-3-methylimidazolium acetate, 3-6 parts of an addition agent and a proper amount of water. According to the Chinese herbal medicine antibacterial cotton fibers, the operation is simple, the cost is low and the operability is strong; the wild chrysanthemum, jasmine flowers and lonicera japonica are added so that the Chinese herbal medicine antibacterial cotton fibers have an antibacterial function and also have a flower flavor; and meanwhile, various animal and plant fibers are also added to the Chinese herbal medicine antibacterial cotton fibers so that the strength and the heat preservation performance of the cotton fibers are remarkably improved.

High-purity benzyl benzoate is recovered by distilling the residue remaining after removal of unreacted toluene and benzoic acid from a reaction mixture produced by the oxidation of toluene by molecular oxygen in the presence of a metal catalyst thereby separating a fraction of benzyl benzoate containing 80 wt % or more benzyl benzoate, 10 wt % or less benzoic acid and 10 wt % or less fluorenone, and purifying the fraction of benzyl benzoate by crystallization such as recrystallization. According to this process, it is possible to recover high-purity benzyl benzoate by a simple operation at low cost from the by-product formed in the manufacture of benzoic acid.

The invention relates to an application of sustained-release material sucrose acetate iso-butyrate used in in-situ gel preparations to preparation of an oil suspension injection for livestock, and in particular relates to a method used for preparing a doxycycline hydrochloride long-acting injection by combining sucrose acetate iso-butyrate and hydrogenated castor oil or aluminium stearate. A dispersion medium of the preparation is isopropyl myristate, benzyl benzoate, ethyl oleate or a mixture of more than one of isopropyl myristate, benzyl benzoate and ethyl oleate. The preparation has good sustained release effects, stable characters and good tissue compatibility, and is easy to prepare.

The present invention is general astragaloside injection and its preparation process. The present invention screens some co-solvent and co-solving diluent including propylene glycol, ethanol, glycerine, polyglycol, benzyl benzoate, dimethyl acetamide, etc. to increase the dissolubility of general astragaloside in water. Each injection contains general astragaloside 5-50 mg, and medicinal supplementary material including diluent, co-solvent, excipient, osmotic pressure regulator, etc. The present invention has determined curative effect.

The invention belongs to the field of functional polymer nanomaterials and particularly discloses an amphiphilic binary molecular brush polymer and an acid-sensitive targeting nanocapsule prepared from the same. The amphiphilic binary molecular brush polymer is mainly prepared by means of atom transfer radical polymerization and click chemical reaction. The nanocapsule is prepared by dissolving the acid-sensitive binary molecular brush polymer into a N,N- dimethylformamide and benzyl benzoate mixed solvent, and dropwise adding the polymer solution into water with pH being 9 under the condition of strong stirring. A folic acid radical group at the tail end of a hydrophilic side chain enables the prepared nanocapsule to have a targeting function. Compared with other acid-sensitive nanocapsules prepared from molecular brush polymers, the acid-sensitive targeting nanocapsule has the advantages that the preparation method is simple; reaction sites can be provided for further functionalization; by introduction of the targeting radical group to the surface of the nanocapsule, targeted release of drugs can be realized so as to effectively weaken toxic and side effects of the drugs on normal tissues and organs; drug loading capacity is high.

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 discloses a rogridone hapten as well as a corresponding artificial antigen and an antibody thereof. The invention also discloses a preparation method and an application for the rogridone hapten as well as the corresponding artificial antigen and the antibody. The method comprises the following steps: adopting rogridone as a raw material which reacts with halogenated benzyl benzoate to generate the carboxyl-contained rogridone hapten; then, coupling the rogridone hapten and protein by an activated fat method or a mixed acid anhydride method to prepare the rogridone artificial antigen; and using the rogridone artificial antigen to immunize animals so as to generate the high-specificity rogridone antibody. An immunodetection method for the rogridone antibody and the rogridone artificial antigen can be applied to the on-site rapid detection of the rogridone and has an important realistic meaning to realize the rapid detection of the health food safety.

The invention discloses a de-coloring method of benzoic acid heavy by-product benzyl benzoate. The de-coloring method comprises the following steps: 1) producing a benzyl benzoate crude product through reduced-pressure distillation of leftovers from production of benzoic acid through methylbenzene liquid phase air oxidation; 2) adding reactive metal and an acidic solution into the benzyl benzoate crude product for thermal insulation reaction; 3) reducing the temperature to a room temperature after the end of reaction, and filtering and removing the unreacted reactive metal; 4) performing layered treatment on a filtrate to obtain an upper oil layer; and 5) performing reduced-pressure distillation and dehydration on the oil layer, wherein an obtained remaining material is a low-color benzyl benzoate finished product. The de-coloring method disclosed by the invention is advanced in process, convenient to operate and high in yield.

The invention discloses a special material for a protective casing for preventing pests and rats from biting a communication cable and a preparation method of the special material. The special material is prepared from the following raw materials in parts by weight: 52-76 parts of polypropylene, 31-43 parts of ethylene-trifluorochlor oethylene copolymer, 3-6 parts of benzyl benzoate, 4-6 parts of diethylene glycol bis(allylcarbonate), 2-4 parts of cycloheximide, 3-5 parts of tetrabasic lead sulfate, 10-15 parts of dicyclohexyl phthalate, 16-22 parts of spherical silica sand, 2-4 parts of triphenyltin acetate, 1.5-2.5 parts of m-chloroaniline, 5-10 parts of dibutyl azelate, 2-3 parts of phenyl diisodecyl phosphate, 4-8 parts of chlorinated paraffin, 8-14 parts of barium metatitanate, 5-10 parts of encapsulated red phosphorous, 1-2 parts of phenylethyl resorcinol and 4.5-6.5 parts of an adjuvant. The substances such as benzyl benzoate, triphenyltin acetate and m-chloroaniline are added to the special material for the protective casing disclosed by the invention, so that the pest and rat bite preventing property of the protective casing can be greatly improved; the damage to the protective casing caused by pests and rats is effectively prevented; the safety and normal operation of an optical cable are ensured; and meanwhile, the special material has excellent abrasive resistance, weather fastness, corrosion resistance and temperature tolerance, long service life and wide application range.

The invention relates to strawberry essence for oil-based ink. The strawberry essence consists of strawberry essence, maltodextrin and starch sodium octenylsuccinate, wherein the strawberry essence consists of ethyl acetate, isoamyl acetate, ethyl caproate, ethyl butyrate, allyl hexanoate, leaf alcohol, cis-3-hexenyl acetate, decalactone, peach aldehyde, ethyl benzoate, geranyl acetate, citronellyl acetate, dihydrojasmonic acid methyl ester, hexyl salicylate, linalool oxide, trans-2-hexenol, eugenol, cinnamyl alcohol, cinnamyl acetate, beta-Ionone, vanillin, methyl cyclopentenolone, furanone, raspberry ketone, ethyl methylphenylglycidate, ethyl palmitate, benzyl benzoate and glycerol triacetate. The invention also provides a preparation method of the strawberry essence for the oil-based ink. The strawberry essence, the maltodextrin, the starch sodium octenylsuccinate and water are mixed; homogenizing and emulsification are performed; then, spray drying is carried out; particular strawberry essence is formed, so that the aroma retaining effect and the oil solubility of the essence are improved; the strawberry essence is applicable to perfuming of the oil-based ink.