330 results about "Ethyl vanillin" patented technology

The present Invention relates to a preservative composition comprising:

a mixture of two to ten of well characterized fragrance raw materials with a cosmetic function, of which at least two are selected from: allyl caproate, benzyl acetate, benzaldehyde, dihydrolsojasmonate, ethyl phenethylacetal, ethyl cinnamate, ethyl methyl phenyl glycidate, ethyl vanillin, 2-heptylcyclopentanone, geranyl acetate, heliotropine, cis-hex-3-en-1-ol, ethylene brassylate, nonalactone gamma, camphylcyclohexanol, undecalactone gamma, 2-t-butylcyclohexylacetate, pentyl salicylate, 2-phenylethanol and 2-phenylethyl acetate; and are contained in at least 20% by weight of said mixture;

at least one preservative; and a sequestrant.

Described are synergistic antimicrobial-fragrance compositions including broad spectrum antimicrobial compositions containing salicylaldehyde and at least one organoleptically-compatible antimicrobial synergism cofactor substance. The weight ratio range of salicylaldehyde:synergism cofactors substance is from 1:10 up to 10:1. The cofactor substance is such that the degree of synergism of the resultant mixture is defined according to the IFF Antimicrobial Synergism Test wherein the difference between the actual and expected antimicrobial values of the mixture is greater than or equal to a multiple of (i) 0.05 and (ii) the expected antimicrobial value of the mixture. Cofactor substances include phenolics such as cresol, caravacrol and thymol; ethyl vanillin; benzyl alcohol; indol; beta-orcinol; and terpinenol-4. Microorganisms against which the synergistic compositions are effective include:Escherichia coli;Enterococcus hirae;Pseudomonas aeruginosa;Staphylococcus aureus; andSaccharomyces cerevisae.The compositions have application in all-purpose cleaning compositions, gel-type toilet rim articles, liquid-type toilet rim articles, personal shower cleaning compositions, and body and hair care products including shower gel compositions, shampoo compositions and foam bath compositions.

The present invention discloses a weight losing and slimming nutrition package which is characterized by containing the following components in mass percentages: 4%-6% of isomaltooligosaccharide, 3.4%-5.2% of inulin, 14%-21% of malt dextrin, 2.4%-3.6% of fructo-oligosaccharide and 2.0%-3.0% of conjugated linoleic acid glycerides. The weight losing and slimming nutrition package also includes and is blended from the following raw materials: skim milk powder, soybean milk powder (instant soybean flour), whole milk powder, soybean protein isolate, whey protein powder, soybean peptide powder, purified konjac powder, cassia seed extract, lotus leaf extract, compound vitamins, compound minerals, calcium carbonate, L-carnitine, and ethyl vanillin. By conducting compounding of dietary fibers, and combining the soybean peptide powder, cassia seed extract, lotus leaf extract, conjugated linoleic acid glycerides and L-carnitine substances, the nutrition package plays roles in keeping fit and losing weight and slimming, and is especially suitable for the consumption of people with obesity and females demanding slimming and beautifying skin.

A method of promoting activated, pleasant moods through the inhalation of energising, non-stressing fragrances (invigorating fragrances) comprising at least 75% by weight, preferably 85% by weight of perfume materials drawn from the following groups:

• A) At least 10% by weight in total of at least three materials drawn from Group ‘IMP’ comprising: allyl amyl glycolate; benzyl salicylate; bergamot oil; coriander oil; cyclamen aldehyde; 1-(2,6,10-trimethylcyclododeca-2,5,9-trien-1-yl)ethanone; allyl (cyclohexyloxy)acetate; Damascenia 185 SAE; 2,4-dimethylheptan-1-ol; fir balsam; fir needle oil; 3-(4-ethylphenyl)-2,2-dimethylpropanal; ginger oil; guaiacwood; linalyl acetate; litsea cubeba oil; methyl 2,4-dihydroxy-3,6-dimethylbenzoate; nutmeg oil; olibanum oil; orange flower oil; Ozonal AB 7203C; patchouli oil; rose oxide; rosemary oil; sage clary oil; spearmint oil; Tamarine AB 8212E; tarragon oil;
• B) Optionally up to 90% of materials from the following groups:
  • Group ‘HMR’ comprising:
  • allyl ionone; benzyl acetate; cis-jasmone; citronellol; ethyl linalol; ethylene brassylate; 4-methyl-2-(2-methylpropyl)tetrahydro-2H-pyran-4-ol; geraniol; geranium oil; isoeugenol; lemon oil; 2,4-dimethylcyclohex-3-ene-1-carbaldehyde; 3-(4-hydroxy-4-methylpentyl)cyclohex-3-ene-1-carbaldehyde; 4-(4-hydroxy-4-methylpentyl)cyclohex-3-ene-1-carbaldehyde; alpha-iso-methyl ionone; 3-methylcyclopentadec-2-en-1-one; cyclopentadecanone; cyclohexadecanolide; gamma-undecalactone.
  • Group ‘HMI’ comprising:
  • 1-{[2-(1,1 -dimethylethyl)cyclohexyl]oxy}butan-2-ol; 3a,6,6,9a-tetramethyldodecahydronaphtho[2,1 -{b}]furan; alpha-damascone; dihydromyrcenol; eugenol; 3-(1,3-benzodioxol-5-yl)-2-methylpropanal; 2,4-dimethylcyclohex-3-ene-1-carbaldehyde; mandarin oil; orange oil; 2-(1,1-dimethylethyl)cyclohexyl acetate.
  • Group ‘HMP’ comprising:
  • 1-(2,6,6,8-tetramethyltricyclo[5.3.1.0 {1,5}]undec-8-en-9-yl)ethanone; allyl cyclohexyl propionate; allyl heptanoate; Apple Oliffac S pcmf; 7-methyl-2H-1,5-benzodioxepin-3(4H)-one; cassis base; cis-3-hexenyl salicylate; damascenone; gamma-decalactone; ethyl acetoacetate; ethyl maltol; ethyl methyl phenylglycidate; hexyl acetate; (3E)-4-methyldec-3-en-5-ol; 2,5,5-trimethyl-6,6-bis(methyloxy)hex-2-ene; 4-(4-hydroxyphenyl)butan-2-one; styrallyl acetate; 2,2,5-trimethyl-5-pentylcyclopentanone; ylang oil. Group ‘RMP’ comprising: anisic aldehyde; (2Z)-2-ethyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)but-2-en-1-ol; benzoin siam resinoid; ethyl vanillin; oxacyclohexadec-12(13)-en-2-one; hexyl salicylate; hydroxycitronellal; jasmin oil; 3-methyl-5-phenylpentan-1-ol; 2-(phenyloxy)ethyl 2-methylpropanoate; alpha-terpineol; vanillin;
  • Group ‘GEN’ comprising:
  • cyclopentadecanolide; oxacyclohexadecan-2-one; hexyl cinnamic aldehyde; ionone beta; isobornyl cyclohexanol; 1-(2,3,8,8-tetramethyl-1,2,3,4,5,6,7(8),8(8a)-octahydronaphthalen-2-yl)ethanone; 4-(1,1-dimethylethyl)phenyl]-2-methylpropanal; linalol; methyl dihydrojasmonate; 2-phenylethanol;
  • provided the following conditions are met:
  • (a) IMPs>=HMPs+HMRs
  • (b) IMPs+HMIs+GENs>=70%
  • (c) (IMP+HMI)/(IMP+HMI+RMP+HMR)>=0.7
  • (d) IMPs/(HMPs+RMPs+IMPs)>=0.5
  • (e) IMPs/[(HMPs+RMPs+IMPs)+(100−TOTAL)]>=0.3
  • wherein ‘IMPs’ indicates the sum of the percentages of materials within Group IMP, and similarly for the remaining groups, the symbol ‘>=’ indicates ‘at least equal to’, and ‘TOTAL’ is the sum of HMPs, HMRs, HMIs, IMPs, RMPs and GENs, provided also that low odour or no odour solvents are excluded from the calculation of these sums is provided which have an invigorating effect when inhaled by a subject.

The present invention relates to oral care compositions comprising stannous ions, a mint-type flavor oil, a protectant component that prevents generation of off odor and off taste in the composition, and orally acceptable carriers. The mint-type oils include peppermint, spearmint and corn mint. Suitable protectant components include copper salts and carbonyl compounds such as ascorbic acid; cis-jasmone; 2,5-dimethyl-4-hydroxy-3(2H)-furanone; 5-ethyl-3-hydroxy-4-methyl-2(5H)-furanone; vanillin; ethyl vanillin; anisaldehyde; 3,4-methylenedioxybenzaldehyde; 3,4-dimethoxybenzaldehyde; 4-hydroxybenzaldehyde; 2-methyoxybenzaldehyde; 4-methoxybenzaldehyde; benzaldehyde; cinnamaldehyde (3-phenyl-2-propenal); hexyl cinnamaldehyde; α-methyl cinnamaldehyde; ortho-methoxy cinnamaldehyde; α-amyl cinnamaldehyde; and combinations thereof. The oral care composition may be a dentifrice.

The invention relates to a formulation for milk pulverous flavor and a preparation method thereof. The flavor mainly comprises powdered glucose, ethyl maltol, gamma-Nonanolactone, delta dodecalactone, vanillin, ethyl vanillin, ethyl caprylate, gamma-Heptalactone and other components, and has sterling full-bodied roast powdered milk aroma, delicious mouthfeel and pure flavor. In addition, the flavor has the advantages of high temperature resistance, long flavor lasting time and so on. The formulation and the preparation method are widely applied to food industry, and ensure that products keep sterling natural milk flavor.

The invention discloses a feed sweetener which is prepared by mixing the following components in parts by weight: 25-70 parts of soluble saccharin, 5-70 parts of maltodextrin, 1-10 parts of sweet taste intensifier, 0.01-0.1 part of ethyl maltol and 0.01-0.1 part of ethyl vanillin, wherein the sweet taste intensifier is one of Acesulfame-K, sucralose, alitame and D-tryptophan or a mixture formed by mixing Acesulfame-K, sucralose, alitame and D-tryptophan according to any ratio. The sweetener enables animals to truly and effectively taste all the components, thereby increasing the feed intakes of the animals and improving the production performance of the animals. The sweetness of the sweetener is 150-500 times higher than that of sucrose, and the sweetener has sucrose-like fragrance and mouth feel, thereby reducing the additive amount of the sweetener in the feed and lowering the culture cost. The sweet taste intensifier in the invention has good stability, and the decomposition temperature is higher than the preparation temperature, so that the sweet taste intensifier can not be decomposed in the sweetener preparation process and the feed granulating process, thereby ensuring that the sweet taste is true and effective.

The invention relates to a catalyst which is used for selecting hydroxymethyl in catalytic phenolic compound to be oxidized into aldehyde group and the preparation method thereof, in particular to a supported catalyst used in vanillin (3-methoxy-4-hydroxy benzaldehyde) compounded by 3-methoxy-4-hydroxy benzalcohol and 3-ethoxy-4-hydroxy benzalcohol and ethyl vanillin (3-methoxy-4-hydroxy benzaldehyde) and the preparation method thereof. The catalyst of the invention with one or more transition metal oxides as active components, which comprises cobalt, molybdenum, aluminum, silver, iron, copper, manganese, nickel, zinc and other oxides; one or more rare earth elements are added to be cocatalysts which comprise praseodymium, lanthanum, scandium, cerium, neodymium, etc., one or more composite materials among alumina, silicon dioxide, titanium dioxide, activated carbon are as carriers. Under the function of the catalyst, 3-methoxy-4-hydroxy benzalcohol can choose to be oxidized into vanillin. After 3-methoxy-4-hydroxy benzalcohol reacts under a temperature of 70 DEG C for 4h, the conversion rate of the 3-methoxy-4-hydroxy benzalcohol is up to 95.4 percent, and the yield rate of vanillin is 83.0 percent. The catalyst has the advantages of low cost, easy separation and recycling use after reaction, simple post-processing, low amount of by-products, friendly environment and wide prospect of industrialization application.

The invention discloses an enriching and thickening functional cluster substance preparation capable of obviously increasing richness and lumping of cigarette smoke, relates to a tobacco additive, and aims to provide the enriching and thickening functional cluster substance preparation capable of obviously increasing the richness and the lumping of the cigarette smoke, which has the capabilities of enriching, thickening and improving the cigarette aroma and richness. The preparation is characterized in that the raw materials for preparing the preparation comprise the following basic raw materials in percentage by weight: ethyl vanillin, ethyl maltol, pineapple ketone, dihydroactinidiolide, heliotropin, phenyl acetic acid, plum extract, raisin extract, fenugreek concrete, breadfruit concrete and the balance of 95 percent ethanol. The preparation can be widely used in all the cigarette factories throughout the country.

The invention relates to an essence with red bean fragrance. The essence with red bean fragrance is composed of: isoamyl acetate with a mass percentage concentration of 1%, ethyl butyrate with a mass percentage concentration of 1%, beta-damascone, beta-ionone with a mass percentage concentration of 1%, 2-methylpyrazine with a mass percentage concentration of 1%, 2, 5-dimethylpyrazine, 2-acetylpyrazine with a mass percentage concentration of 1%, melonal, 4-ketoisophorone, ethyl maltol, thiol, menthyl acetate, menthol with a mass percentage concentration of 1%, vanillin, ethyl vanillin with a mass percentage concentration of 1%, vanillin propylene glycol acetal, 2-methoxy-3-isobutyl pyrazine with a mass percentage concentration of 1%, and a solvent. The raw materials are added into a container in order according to the formula and are stirred evenly to obtain the essence with red bean fragrance. The essence provided by the invention has outstanding characteristic fragrance of red beans, has strong natural feel and harmonious, soft and delicate fragrance, and can be used for perfuming of drinks, pastries and other food.

The invention provides electronic cigarette tar which comprises the following components by mass percentage: 90-99% of atomized liquid and 1-10% of coca cola essence, wherein the coca cola essence comprises the following components in parts by weight: 0.1-2 parts of alpha pinene, 0.1-2 parts of beta pinene, 1-30 parts of limonene, 1-10 parts of sweet orange oil, 1-20 parts of lemon oil, 0.1-0.5 parts of myrcene, 0.1-2 parts of cinnamic aldehyde, 0.1-5 parts of cinnamon oil, 0.1-10 parts of citral, 0.1-5 parts of geranial, 1-10 parts of geranyl acetate, 0.1-5 parts of sinensal, 1-10 parts of citronellol, 1-10 parts of geranyl propionate, 0.1-5 parts of eugenol allylguajacol, 0.1-2 parts of ethyl maltol, 0.1-3 parts of furanone, 0.1-5 parts of raspberry ketone, 1-25 parts of cinnamyl alcohol, 1-10 parts of cinnamyl acetate, 1-15 parts of vanillin, 1-15 parts of ethyl vanillin and 0.1-2 parts of coffee extract. The electronic cigarette tar with a coca cola taste is rich and plump in fragrance, and can achieve an effect similar to a pleasant feeling brought by drinking coca cola. The invention further provides a preparation method of the electronic cigarette tar. The method is simple and easy to operate, and is suitable for industrial production.

The invention discloses an ultra-sweet essence formulation, which comprises the following components, in mass percentages, edible level saccharin sodium 50-70%, starch 18-28%, ultra-sweet essence fragrant base 2-8% and white carbon black 10-15%. The ultra-sweet essence fragrant base comprises the following raw materials: vanillic aldehyde, ethyl vanillin, ethyl maltol, tonka bean camphor, coconut aldehyde, peach aldehyde, methyl cyclopentenolone, pineapple-ketone, butanedione, dodecanoic acid, butanoic acid, acetic acid, canoic acid, ethyl lactate, butyl butyryllactate, delta-decalactone, butyric ether, propylene glycol, cream flavour intensifier, musk xylene and silicon dioxide. The invention also discloses a use of ultra-sweet essence as animal feed flavoring. The ultra-sweet essence according to the invention contains multiple sweetening agents, flavoring agents and potentiating agents, and can eliminate bitterness and metallic taste of saccharin sodium when solely used and other bad side-effects, and is ultra-concentrated and ultra-sweet. And the product can be used as the animal feed flavoring capable of obviously improving feed intake of animal, thereby increasing growth rate of animal.

The invention discloses a nutritional steamed stuffed bun with blood sugar reducing and heart and cerebral vessel health promoting efficacy. The nutritional steamed stuffed bun contains, by mass, 4-6% of isomaltooligosaccharide, 2.4-3.6% of fructooligosaccharide and 2.4-3.6% of inulin. The nutritional steamed stuffed bun also contains instant soybean powder, skimmed milk powder, maltodextrin, xylitol, lactalbumin powder, isolated soybean protein meal, phytosterol, soybean lecithin, conjugated linoleic acid glyceride, balsam pear extract, lotus seed extract, cassia seed extract, fish oil, calcium carbonate, magnesium oxide, compounded vitamins, compounded mineral matters and ethyl vanillin. Prebiotics (isomaltooligosaccharide, fructooligosaccharide and inulin), xylitol, phytosterol, conjugated linoleic acid glyceride, fish oil, taurine and magnesium are added to the nutritional steamed stuffed bun to reduce the concentration of cholesterols in blood of people with diabetes, hypertension and hyperlipaemia, reduce the blood sugar and fat level and promote healthiness of heart and blood vessels.

The invention relates to the technical field of cigarette filter rod production, and more particularly to a small lime flavor essence for a cigarette blasting bead, and application of the small lime flavor essence in cigarettes. The small lime flavor essence is formed by a small lime extract, butanedione, ethyl vanillin, methyl cinnamate, geraniol, sweet orange oil and caprylic capric triglycerride. The essence can be used for preparing a small lime flavor cigarette blasting bead, and the blasting bead can be added into a filter rod and applied in preparation of blasting bead cigarettes. The small lime flavor essence specifically used for the cigarette blasting bead and more perfect blasting bead production process are provided to prepare a cigarette blasting bead product with stable and uniform molding quality; after the blasting bead is placed in a cigarette filter tip, the irritation of cigarettes can be well weakened, the fragrance of cigarettes can be improved and enriched, and the fragrance richness, sensory quality and the fun of smoking of the cigarettes can be obviously enhanced, and thus the application value and promotion application significance are better for the design, development, production and sales of the blasting bead cigarettes.

The invention discloses an antibacterial PPR (polypropylene random copolymer) water supply pipe of high low-temperature toughness, made from, by weight, 80 to 100 parts of PPR, 20 to 30 parts of polyisocyanurate, 15 to 25 parts of PA66 (polyamide 66), 3 to 10 parts of antioxidant, 2 to 8 parts of light stabilizer, 5 to 15 parts of organic antibacterial agent, 1 to 5 parts of dispersant, 4 to 8 parts of color masterbatch, and 1 to 5 parts of clay nano-composite. The antioxidant is one of 2, 6-tert-butyl-4-methylphenol and distearyl thiodipropionate. The light stabilizer is a combination of light stabilizer LQ-292 and light stabilizer 765 in any proportion. The organic antibacterial agent is one of vanillin and ethyl vanillin. The dispersant is vinyl distearamide. The clay nano-composite is phyllosilicate nano-material. The antibacterial PPR water supply pipe has excellent low-temperature toughness, oxidation resistance and light stability, is high in strength, can inhibit and kill germs in the pipe, is safe and environment friendly and high in cost performance and has promising market prospect.

The invention discloses a nutritional package for treating anemia, astriction and lumbus and leg pains of pregnant and lying-in women. The nutritional package is characterized by being prepared from, by mass, 4-6% of isomalto-oligosaccharide, 3.2-4.8% of fructo-oligosaccharide and 0.8-1.2% of galactooligosaccharide. The nutritional package further contains whole milk powder, instant bean powder, maltodextrin, dried skim milk, whey protein meal, soy isolate protein meal, red date extracts, calcium carbonate, docosahexenoic acid, compound vitamins, compound mineral substances, lactobacillus fermenti and ethyl vanillin which are blended. By blending soluble dietary fibers, the nutritional package which is low in cost, stable, good in taste and capable of effectively promoting iron absorption of the pregnant women and relieving astriction instead of causing astriction which might occur along with the increase of iron uptake is obtained.

The invention provides a high-temperature-resistant milky essence composition and a preparation method thereof. The high-temperature-resistant milky essence composition comprises the following components according to weight percent: 1.0%-2.5% of sodium starch octenyl succinate, 0.1%-0.3% of sodium carboxymethylcellulose, 0.1%-0.5% of gelatin, 1.0%-5.0% of maltodextrin, 0.1%-0.5% of sorbitol, 0.003%-0.009% of potassium sorbate, 4.0%-7.0% of whole milk powder zymolyte, 1.0%-5.0% of anhydrous cream zymolyte, 0.1%-0.3% of caprylic capric triglycerride, 0.1%-0.5% of delta-Decalactone, 0.1%-0.5% of delta-Dodecalactone, 0.02%-0.1% of Peru extract, 0.001%-0.003% of 4-ethlycoctanoate, 0.1%-0.3% of ethyl vanillin and the balance being de-ionized water. The high-temperature-resistant milky essence composition prepared by the preparation method has good high temperature stability; furthermore, Maillard reaction occurs in a baking process to produce flavor substances, so that a dual aroma enhancement effect is achieved.

The invention discloses a nutritional steamed stuffed bun for improving constipation and helping intestinal tract health maintenance. The nutritional steamed stuffed bun is obtained by mixing 24-36 mass% of whole milk powder, 20-30 mass% of instant soybean powder, 20.5-30.5 mass% of maltodextrin, 4-6 mass% of isomaltooligosaccharide, 2.4-3.6 mass% of fructo-oligosaccharide, 2.4-3.6 mass% of inulin, 1.2-1.8 mass% of xylooligosaccharide, 3.0-5.0 mass% of lactalbumin powder, 2.0-4.0 mass% of isolated soybean protein meal, 0.04-0.06 mass% of Bifidobacterium lactis, 0.08-0.12 mass% of Lactobacillus acidophilus, and 0.015-0.025 mass% of ethyl vanillin. The mutritional steamed stuffed bun for improving constipation and helping intestinal tract health maintenance, obtained through compounding dietary fibers in the invention, has the advantages of low cost, stability, good taste, and easy acceptance by consumers.

This invention discloses a hydrogenated oil flavor-imparting agent comprising vanillin and/or ethyl vanillin, and hydrogenated-oil-flavored oil and fat formed by use of the agent.

The invention provides a honey-sweet type cigarette paper essence and a preparation method thereof. The cigarette paper essence comprises the components according to the total weight of 1000 parts: 1-4 parts of beeswax absolute oil, 2-5 parts of celery seed oil, 5-15 parts of ethyl vanillin, 30-50 parts of phenethyl phenylacetate, 0.5-2 parts of ethyl phenylacetate, 0.1-0.5 parts of ethyl caproate, 1-5 parts of delta-decalactone, 1-5 parts of gamma-nonanoic lactone, 5-15 parts of a cocoa extract, 5-15 parts of a coffee extract, 100-200 parts of propylene glycol, and the balance a 70% ethyl alcohol. The cigarette paper essence has the beneficial effects that: 1, the flavor is rich in hierarchy, can be coordinated with a tobacco original flavor, and can give cigarettes a unique style; 2, a small amount of addition of the essence can bring a prominent and lasting smell to the cigarettes; and 3, the loss of the aroma brought by reducing tar and harmful components is made up, a relatively good modification effect is played on the overall organoleptic characteristics of the cigarettes, and the quality of the cigarettes is facilitated to be improved.

The invention provides a Chinese eaglewood essence for dropping pills for cigarettes and a preparation method and application thereof. The Chinese eaglewood essence for cigarette dropping pills is prepared by mixing the following materials in percentage by weight: 0.8 to 1.5 percent of cypress oil, 0.002 to 0.008 percent of Hubei rosewood essence oil, 0.02 to 0.05 percent of dihydroactinidiolide, 0.02 to 0.05 percent of irone, 0.01 to 0.04 percent of damascenone, 0.01 to 0.05 percent of furanone, 0.02 to 0.08 percent of ethyl vanillin, 0.2 to 0.8 percent of benzyl alcohol and the balance of propylene glycol. The dropping pill for Chinese eaglewood cigarettes which is prepared by using the Chinese eaglewood essence not only can cover bad chemical smell which is produced by wall material and wrapping solvents when the dropping pill is broken by pinching, but also can give Chinese eaglewood fragrance in harmony with tobacco fragrance, the distortion of Chinese eaglewood fragrance when a Chinese eaglewood cigarettes burn can be remedied, and thereby comfortable natural Chinese eaglewood fragrance is given to the cigarettes.

The method discloses a method for simultaneous detection of vanillin and ethyl vanillin in milk powder, including the following steps: ultrasonic extracting vanillin and ethyl vanillin in milk powder by anhydrous ethanol, precipitating protein, centrifuging the extract liquid to cross membrane, separating by a chromatographic column having a filler of octadecyl silane, detecting by a diode array detector, and quantifying by the external standard method. The method has the characteristics of simple pre-treatment, accurate qualitative determination, and fast quantification, and is suitable for simultaneous detection of vanillin and ethyl vanillin in milk powder.

The invention relates to a refining method of a compound, in particular to a refining method of methyl or ethyl vanillin, which comprises the following steps: adopting a mixed solvent consisting of liquid alkane or petroleum ether and toluene for carrying out re-crystallization on a methyl or ethyl vanillin crude product containing a byproduct of o-methyl or ethyl vanillin, leading the methyl or ethyl vanillin to crystallize and precipitate and remaining the o-methyl or ethyl vanillin in mother liquor. Compared with the prior art of purely adopting the toluene as the re-crystallization solvent, the adoption of the method can reduce the using quantity of the toluene to below 1/2 of the original using quantity and lead the re-crystallization yield of the methyl or ethyl vanillin to be more than 90%, which is improved by about 20% in comparison with the prior art; furthermore, the product has the advantages of good color and luster, low viscosity of the mother liquor after devitrification, convenient discharge on production and low production cost, and is applicable to industrial applications.