22 results about "Ethyl vanillin" patented technology

The invention relates to the technical field of nicotine oral delivery essence, and discloses a solid essence composition, solid essence prepared from the solid essence composition and application of the solid essence composition. The solid essence composition comprises the following components: a liquid essence base material, a water-soluble embedding medium and ethyl vanillin glucoside. The solid essence prepared from the solid essence composition can be used for preparing nicotine bags. The solid essence prepared from the solid essence composition provided by the invention is high in flavor stability; the prepared solid essence can still maintain the original flavor of the essence to a relatively high degree after being placed at high temperature and high pH for 12 hours; the overall stability of the solid essence is protected by adding ethyl vanillin glucoside and an embedding technology, so that the flavor, color and luster of the nicotine bag are improved.

The invention provides high-whiteness and low-isoflavone-content soybean protein isolate for infant food, and belongs to the technical field of infant complementary food. Comprising the following components in percentage by mass: 92.5%-6% of soybean protein isolate, 6.0% of maltodextrin, 0.8% of sodium carboxymethyl cellulose, 0.1% of sucralose and 0.6% of ethyl vanillin, the risk of residual chemical bleaching agents (hydrogen peroxide and sodium hypochlorite) is avoided, the content of isoflavone is reduced to be less than or equal to 10mg / kg, the hidden danger of endocrine interference is reduced, the damage of high temperature and strong acid / alkali to a protein structure is reduced, and the quality of the protein is improved. The energy consumption is reduced through low-temperature sterilization and vacuum freezing dehydration, the whiteness is greater than or equal to 85%, the sensory requirements are met, the protein content is greater than or equal to 90%, the purity is high, and the protein is suitable for being used as a high-quality protein source of infant food; the green solvent and physical / biological decoloration reduce chemical pollution, and the process is more environment-friendly.

The invention provides a preparation method of a copper complex containing ethyl vanillin, which is characterized by comprising the following steps: S1, dissolving ethyl vanillin and inorganic alkali in methanol, and stirring to obtain a mixed solution I; s2, soluble copper salt is taken and dissolved in methanol, and a mixed solution II is obtained; mixing the mixed solution I and the mixed solution II, and performing reflux reaction at 55-60 DEG C for 5-7 hours to obtain a reaction solution; and S3, filtering the reaction liquid, collecting filtrate, evaporating to obtain crystals, washing the crystals with water, and drying to obtain the product. The preparation process is simple, and the product has excellent biocompatibility and good oxidation resistance, and has huge potential in the aspect of treating inflammatory joint diseases.

The invention belongs to the technical field of chemical synthesis of spices, and particularly relates to a synthetic method of vanillin and ethyl vanillin. Carrying out substitution reaction on catechol and methyl iodide to generate o-dimethoxybenzene 3; 3 and 1, 2-dichloromethyl methyl ether are subjected to formylation reaction to generate 3, 4-dimethoxybenzaldehyde 4; carrying out demethylation reaction on the 3, 4-dihydroxy benzaldehyde 5 and pyridine hydrochloride to generate 3, 4-dihydroxy benzaldehyde 5; carrying out substitution reaction on the 4-benzyloxy-3-hydroxybenzaldehyde 5 and benzyl bromide to generate 4-benzyloxy-3-hydroxybenzaldehyde 6; carrying out substitution reaction on the 4-benzyloxy-3-methoxyl / ethyoxyl benzaldehyde 6 and iodomethane / iodoethane to generate 4-benzyloxy-3-methoxyl / ethyoxyl benzaldehyde 7; 7 is reduced by hydrogen under the catalysis of palladium on carbon to generate vanillin / ethyl vanillin. Cheap catechol is adopted as a raw material, reaction conditions are mild, equipment requirements are not high, energy consumption is low, the problems that raw materials are not suitable to obtain, the price is high, separation is difficult, and three wastes are seriously generated in a traditional vanillin synthesis method are solved, and a new method is provided for synthesis of vanillin.

This invention relates to an improved method for preparing vanillin esters of (meth)acrylate and their derivatives or structure-related compounds in high purity. Furthermore, this invention also relates to ethyl vanillin esters of (meth)acrylate, which provide improved room-temperature crosslinking efficiency and are particularly suitable for paints / varnishes and coatings.

The invention discloses vanillin alcohol ether and a preparation method thereof, and the preparation method comprises the following steps: (1) by taking vanillin or ethyl vanillin and hydrogen as reactants and alcohol or ethyl acetate (EA) as a solvent, preparing a reactant solution, adding a Raney nickel catalyst as a catalyst, and reacting at the temperature of 40-70 DEG C under the reaction hydrogen pressure of 2-3 MPa for 8-10 hours; and (2) by taking vanillin alcohol or ethyl vanillin alcohol and second alcohol as reactants and lewis acid (such as magnesium chloride, aluminum chloride, calcium chloride, ferric chloride, copper sulfate and other lewis acids) as a catalyst, reacting at 80-100 DEG C to obtain vanillin alcohol ethers, the preparation method disclosed by the invention is mild in reaction condition, few in by-products, green and environment-friendly, high in product yield and suitable for industrial production.

The invention relates to a method for determining the content of vanillin and ethyl vanillin which are auxiliary materials in a fudosteine oral solution, which is simple to operate, has good sensitivity, specificity and accuracy, provides an effective prescription analysis method for drug development, and has practical application value.

Compositions, such as consumer products and / or fragrance / flavor compositions, comprising a meta-(C1-C4 alkoxy) salicylaldehyde, such as ortho-ethyl vanillin. Processes for making and using such compositions.

The invention discloses a vanilla fragrance type composition as well as a preparation method and application thereof. The composition is prepared from strong vanillin, ethyl vanillin, vanillin isobutyrate, menthyl acetate and a solvent, the vanillin which is listed as an allergen component is replaced by matching of the strong vanillin, the ethyl vanillin, the vanillin isobutyrate and the menthyl acetate, so that a relatively safe vanillin base is provided; meanwhile, when being applied to a product containing volatile and flavor-changing spices to test high-temperature stability, for example, when being applied to a hot-filling cosmetic machine type needing long-time heating, the essence is proved to be capable of prolonging the diffusion time of the fragrance and is beneficial to improving the temperature resistance of the spices; besides, the vanilla fragrance type composition is subjected to an illumination stability test, and it is proved that the vanilla fragrance type composition further has illumination stability and can be used for preparing essence and cosmetics.

The present application belongs to the technical field of tobacco, and discloses a method for improving the conversion rate of ethyl vanillin-beta-D-glucoside in sidestream smoke. In the method, ethyl vanillin-beta-D-glucoside and a certain amount of intumescent flame retardant are mixed and then added to the combustion position of a cigarette. The method can significantly improve the conversion rate of ethyl vanillin-beta-D-glucoside in sidestream smoke into ethyl vanillin.

The invention belongs to the technical field of nutritional food, and particularly relates to vitamin A, D and E zinc-selenium composite nutritional powder for resisting oxidation and regulating the immune function. Comprising the following components: 4.0 to 4.6 g of retinyl acetate, 35.8 to 6.3 g of vitamin D, 380 to 420 g of zinc sulfate, 29 to 33 g of sodium selenite, 57 to 61 g of dl-alpha-tocopheryl acetate, 9300 to 9400 g of maltodextrin, 95 to 105 g of silicon dioxide, 8 to 12 g of stevioside, 18 to 22 g of ethyl vanillin and 18 to 22 g of citric acid. Through scientific proportioning of vitamin A, vitamin D3, vitamin E, zinc, selenium and other active components and matching of appropriate auxiliary materials, the multi-effect health-care food achieves multiple effects of enhancing immunity, promoting calcium absorption and bone health, protecting eyesight, resisting oxidation, delaying senescence and promoting growth and development, and meets health requirements of different crowds.

The invention relates to the technical field of biological catalysis, in particular to glucosyltransferase and application of the glucosyltransferase in synthesis of ethyl vanillin alpha-D-glucoside. The protein provided by the invention is selected from at least one of the following items: (1) an amino acid sequence as shown in SEQ ID NO.1; (2) the amino acid sequence has at least 80% of identity with the amino acid sequence shown as SEQ ID NO.1 in the step (1), and has glucosyltransferase activity; (3) compared with the amino acid sequence as shown in SEQ ID NO.1 in the step (1), alanine at the 304th site is mutated into tryptophan; (4) the amino acid sequence has at least 80% of identity with the amino acid sequence in (3), retains a mutation site, and has glucosyltransferase activity; as glucosyltransferase, the protein can efficiently catalyze ethyl vanillin and maltose to generate ethyl vanillin alpha-D-glucoside.

An improved process can be used for preparing vanillin (meth)acrylates and derivatives or structurally related compounds thereof in high purity, by reacting an alcohol with an activated (meth)acrylic acid derivative. Ethyl vanillin (meth)acrylate provides for improved room temperature crosslinking efficiency and is particularly suitable for paints / varnishes and coatings.

The invention discloses a method for simultaneously determining seven spices and essences in rice, which adopts a liquid chromatography-tandem mass spectrometry method, and comprises the following steps: 1) mixing a rice sample with an extracting agent, carrying out vortex, ultrasonic extraction and low-temperature high-speed centrifugation, passing the supernatant through a 0.2 mu m wwPTFE (polytetrafluoroethylene) microfiltration membrane, and loading the supernatant into a machine for determination, the extracting agent is a mixture of water and 0.1% formic acid methanol in a volume ratio of 3: 7; (2) separating by using a Bipheyl chromatographic column under the chromatographic condition, and carrying out gradient elution by using 0.1% formic acid water and 0.1% formic acid methanol as mobile phases; the mass spectrometry is detected in a positive ion scanning multi-reaction monitoring mode, and is quantified by an external standard method. According to the method, seven spices such as 2-acetylpyrazine, 2-acetylpyridine, ethyl maltol, vanillin, methyl vanillin, ethyl vanillin and coumarin which may be maliciously added in the rice can be simultaneously determined, and the seven spices are simultaneously determined by adopting the same detection means, so that the cost is saved, the efficiency is improved, and the method is suitable for large-scale popularization and application. The method has high separation degree and good accuracy and precision.

The invention relates to the technical field of tobacco flavors and fragrances, in particular to frankincense-style tobacco flavors and application of the frankincense-style tobacco flavors in cigarette perfuming. The tobacco essence comprises the following components in parts by mass: 0.1-25 parts of a main aroma component, wherein the main aroma component comprises a frankincense extract and frankincense essential oil; 2.01-37.2 parts of a head incense component, wherein the head incense component is prepared from acetic acid, ethyl butyrate, ethyl hexanoate, ethyl heptanoate, ethyl caprylate, ethyl caprate, gamma-heptanolactone, gamma-octanolactone, delta-octanolactone, gamma-nonanolactone, delta-decalactone, gamma-undecalactone, heliotropin, furfural, caprylic aldehyde, capric aldehyde, vanillin, ethyl vanillin, maltol and ethyl maltol; 2-20 parts of a modification component, wherein the modification component comprises a lactic acid propylene glycol reaction mixture; and 40-80 parts of a solvent. The tobacco essence perfume is applied to tobacco products, can endow frankincense fragrance, increase sweet fragrance, cover offensive odor and reduce irritation.

The application discloses coffee essence, atomized liquid and a preparation method and application thereof, and belongs to the technical field of electronic atomization products. The coffee essence comprises vanillin, ethyl vanillin, 2,3,5-trimethylpyrazine, propylene glycol and other components. By scientifically matching various coffee aroma components and using propylene glycol as a solvent, the compatibility of the coffee essence and the base material is improved, the stability of the coffee essence is improved, the real coffee roasting aroma is accurately restored, the real feeling and satisfaction of user experience are improved, the use requirements of the electronic atomization device are met, and the coffee essence does not contain caffeine and meets the use specifications.

The application discloses a kind of essence rice identification method, its steps are: taking the intact rice without being pulverized, adding acetonitrile rapid vortex oscillation extraction, take supernatant and filter, carry out HPLC-MS / MS analysis, whether the sample contains vanillin, methyl vanillin, ethyl vanillin, ethyl maltol, 2-acetylpyridine, 2-propionylpyridine, 2-acetyl-1-pyrroline and 5,6,7,8-tetrahydroquinoxaline at least one, if contains, determine sample as essence rice.The application solves the technical problem that endogenous nature flavor component and artificial essence are effectively distinguished in essence rice identification process, can be used for the rapid qualitative identification of essence rice, method is sensitive, high accuracy.

A smoking material wrapper for wrapping a smoking material portion of a smoking article includes tobacco fibers and at least one vanilla material from among vanillin, ethyl vanillin, and ethyl vanillin glucoside. A smoking article includes a smoking material portion wrapped with the smoking material wrapper; a filter portion wrapped with a filter wrapper, and a tipping wrapper wrapped around the filter portion and at least a partial area of the smoking material portion such that the smoking material portion and the filter portion are combined.

The invention relates to ethyl vanillin grafted cigarette paper and application thereof.The ethyl vanillin grafted cigarette paper is prepared through a preparation method comprising the following steps that the surface of cigarette paper base paper is coated with a silane coupling agent solution, drying treatment is conducted, and a silane coupling agent pre-coating layer is formed; wherein the plant pulp for preparing the cigarette paper base paper contains more than 50% of hardwood pulp; and coating the silane coupling agent pre-coating layer with an ethyl vanillin solution, carrying out a reaction, and carrying out drying treatment so as to obtain the ethyl vanillin grafted cigarette paper. The innovative cigarette paper is developed, the problem of volatilization of fragrant substances is fundamentally solved, the shelf life is remarkably prolonged, and particularly unexpectedly, the physical strength, especially the tearing strength, of the paper can be effectively improved through the means. In addition, negative effects on ash wrapping performance and combustion performance which are crucial to traditional cigarettes are not generated while the effects are achieved, and excellent comprehensive performance is achieved.

The invention relates to the technical field of oral delivery of nicotine, in particular to a blueberry-flavor nicotine bag and a preparation method thereof. The blueberry-flavored nicotine bag provided by the invention comprises a granular base material obtained by wet granulation and a small bag for encapsulating the granular base material, the particle base material comprises nicotine salt, a filling agent, a bonding solution and blueberry solid essence; wherein the blueberry solid essence comprises an embedding body formed by cyclodextrin and a blueberry liquid essence base material, and ethyl vanillin glucoside. According to the blueberry nicotine bag and the preparation method thereof, the solid blueberry essence is prepared by cooperatively introducing stable precursor-aroma substances through an embedding technology, so that the prepared blueberry nicotine bag is high in discoloration resistance and high in flavor retention rate, and the shelf life and the optimal tasting period of the product are greatly prolonged.

The invention relates to the technical field of essences, and particularly discloses a chocolate essence containing a chocolate Maillard reactant, which comprises the following components: an essence base, a flavor enhancer, a chocolate Maillard reactant, a caramel pigment and a solvent, the preparation method of the chocolate Maillard reactant comprises the following steps: 1) preparing a chocolate Maillard reactant; the preparation method comprises the following steps: uniformly mixing Nestle cocoa powder, Nestle coffee powder, white granulated sugar, glucose, D-xylose, L-glutamic acid, glycine, L-leucine, L-arginine, DL-valine, L-valine, L-phenylalanine, ethyl vanillin, distilled water, propylene glycol, a Chinese yam extract, a black ginger extract and a garcinia cambogia extract to obtain a substrate; (2) heating the substrate to 110-120 DEG C, reacting for 1-2 hours, and cooling to obtain the chocolate Maillard reactant. The method has the advantages that the chocolate flavor is more vivid, and meanwhile, the shelf life of the chocolate essence is prolonged.

The application provides a method for determining essence and flavor in oil, which comprises three main steps of sample pretreatment, purification and analysis and test, the influence of the presence of lipids and proteins in the oil on the extraction efficiency of the target essence and flavor is avoided by removing grease and impurities in the sample pretreatment stage; the determination method adopts a solid phase extraction-gas chromatography analysis method, the extract is purified through a solid phase extraction column and separated through a polar chromatographic column, has the advantages of small matrix interference and fast analysis speed, and through reasonable purification and purification path and analysis and test means, the detection sensitivity is improved, and the detection limit and the quantitative limit are reduced. The application can simultaneously determine vanillin, methyl vanillin, ethyl vanillin, ethyl maltol and 2,3,5-trimethylpyrazine, five kinds of essence and flavor in oil, realizes simple pretreatment operation, good purification effect and higher sensitivity quantitative detection, and provides technical support for oil quality evaluation and edible oil safety supervision.