913 results about "Butylated hydroxytoluene" patented technology

Method for regulating the condition of mammalian skin comprising the steps of applying a first personal care composition to an area of skin where regulation is desired, wherein the first personal care composition comprises at least one skin care active selected from the group consisting of niacinamide, salicylic acid, peptides, N-acetyl glucosamine, panthenol, butylated hydroxytoluene, N-acyl amino acid compounds, hexamidine, green tea, ascorbyl glucoside, hexanediol, pentanediol, a skin lightening agent, a heat shock protein potentiator, and mixtures thereof, and delivering energy to the area of skin by contacting the skin with an energy delivery device for a treatment period of at least 2½ minutes, wherein the energy delivery device comprises a skin-contacting surface that is controllably heatable to a temperature of from 37° C. to 50° C.

The invention provides a novel empoasca vitis gothe attractant formula and application of the novel empoasca vitis gothe attractant. The application method comprises the following steps: mainly preparing the attractant by the following components including tea tree volatile matters trans-2-hexenal, cis-3-hexene-1-ol and cis-3-hexenyl acetate, geraniol, linalool and trans-ocimene as components of the attractant and an additional antioxidant 2, 6-butylated hydroxytoluene (BHT) in a weight ratio of (0.5-5.0):(10-20):(1.0-15):(5.0-15):(30-40):(1.0-15):(1.0-10); loading the attractant on a silicone rubber head to prepare a lure; and embedding the lure on a yellow sticky colored card to form a trap of empoasca vitis gothe. Imago of empoasca vitis gothe is trapped in a stable stage of trapping, preventing and treating the empoasca vitis gothe, so that the quantity of the empoasca vitis gothe can be effectively restricted. Researches show that the lure with the novel empoasca vitis gothe attractant can obviously enhance the trapping and killing effects of a single yellow sticky colored card, the lasting trapping capacity of the trap to the empoasca vitis gothe can be remarkably improved, the service period of the trap is remarkably prolonged, and use of chemical pesticides in the tea garden is remarkably reduced and cancelled. The attractant applied to the tea garden has the advantages of convenience in use, safety, greenness and no pollution and meets the national green prevention and control principle, thereby accelerating the industrial development of organic tea gardens.

A bactericidal preparation in the form of a solution, cream or ointment is disclosed. The preparation comprises a liquid compounded from photosynthesized hydrocarbons, isolates from hydrocarbons, 2-hydroxy-1-isopropyl-4-methyl-benzene (thymol) and butylated hydroxytoluene.

Personal care compositions containing at an alpha-glucan and / or beta-glucan; at least one additional skin and / or hair care active selected from the group consisting of sugar amine, vitamin B3, retinoids, peptides, phytosterol, dialkanoyl hydroxyproline, hexamidine, salicylic acid, n-acyl amino acid compounds, sunscreen actives, water soluble vitamins, oil soluble vitamins, hesperedin, mustard seed extract, glycyrrhizic acid, glycyrrhetinic acid, carnosine, Butylated Hydroxytoluene (BHT) and Butylated Hydroxyanisole (BHA), menthyl anthranilate, cetyl pyridinium chloride, ergothioneine, vanillin or its derivatives, diethylhexyl syrinylidene malonate, melanostatine, sterol esters, tetrahydrocurcumin, their derivatives, their precursors, and combinations thereof; and a dermatologically acceptable carrier.

The invention relates to a nematoid-killing composition containing abamectin and paecilomyces lilacinus, which is characterized by comprising abamectin and paecilomyces lilacinus; 100g of nematoid-killing composition is prepared by the following components of 0.1-5g of abamectin, 0.1-1 billion live spores / g of paecilomyces lilacinus, 1-10g of stabilizing agent, 1-90g of solvent and 10-90g of assistant, wherein the assistant is any one or the combination of any two of attapulgite, kaoline, sepiolite, light calcium and kieselguhr and is prepared into a granular formulation or suspending agent or wettable powder; the stabilizing agent is any one or the combination of any two of castor oil, soybean oil, epoxidized soybean oil, propylene glycol, methyl oleate, ethylene glycol, butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA); and the solvent is any one of dimethylbenzene, trimethylbenzene and dimethylformamide. The nematoid-killing composition is used for controlling the knot nematode and has better control effect on the knot nematode.

The invention relates to a petroleum-engine oil composition and application thereof, and mainly aims to solve the problem of poor wear resistance of petroleum and engine oil existing in the prior art. The problem is well solved by adopting the technical scheme that the petroleum-engine oil composition comprises the following components in parts by weight: (a) 1-20 pars of a detergent, a dispersant or a mixture thereof, (b) 0.5-15 parts of an anti-oxygen wear-resistant agent, (c) 1-20 parts of a viscosity index modifier, (d) 0.01-5 parts of a pour point depressant, (e) 0.001-3 parts of an anti-foaming agent, and (f) 60-95 parts of base oil, wherein the anti-oxygen wear-resistant agent is selected from at least one of 2,6-di-tert-butyl-4-methylphenol, 2,6-di-tert-butyl mixed phenol, alkylated arylamine, zinc butyl octyl dithiophosphate, base zinc salt of dioctyl thiophosphate, di(octadecyl)-3,3-thiodipropionate, zinc(II)dibutyl dithiocarbamate, thiadiazole, molybdenum dithiocarbamate or molybdenum dialkyldithiophosphat. The petroleum-engine oil composition can be applied to industrial production of the petroleum-engine oil composition.

The invention relates to volatile stamping cutting oil composite for machining of a moderate-thickness aluminum plate and a preparation method thereof. The stamping cutting oil composite comprises the following raw materials in percentage by weight: 90-95 percent of solvent oil, 1-4 percent of antiwear additive, 1-4 percent of oiliness additive, 0.5-2 percent of antirust additive and 0.2-1 percent of antioxidant; the solvent oil has low sulphur content, low aromatic hydrocarbon content, no toxicity and smell and has the kinematic viscosity of 1.5-3.5mm<2> / s at 20 DEG C; the antiwear additive is selected from phosphates; the oiliness additive contains more than one of fatty alcohol and fatty acid methyl ester; the antirust additive is sodium alkylsulfonate; and the antioxidant is an antioxidant BHT (butylated hydroxytoluene). The preparation method of the volatile stamping cutting oil composite for the machining of the moderate-thickness aluminum plate, provided by the invention, is simple and convenient; and the composite provided by the invention does not contain a chlorine extreme pressure agent, is a biological environment-friendly product and has the advantages of excellent extreme pressure lubrication performance and favorable demoulding performance, volatilization completeness, no trace leaving, no clean, extremely low smell, no irritation to skin, time and labor saving and capability of greatly prolonging the service life of a mould.

The invention relates to an antioxidant peptide from collagen, which has one of amino acid sequences: (1) Hyl-Cys; (2) Gln-Gly-Ala-Arg; (3) Leu-Gln-Gly-Met; and (4) Leu-Gln-Gly-Met-Hyp. The antioxidant peptide can be synthesized by a peptide synthesizer chemical method or can be synthesized by hydrolyzing the collagen and separating and purifying the obtained hydrolysate. The antioxidant peptide not only has strong antioxidant function, but also can replace BHT (Butylated Hydroxytoluene) and the like to be used as an addictive of food as well as can be used as an active functional component. The antioxidant peptide can be used for foods, heath-care products, cosmetics, even animal food and feed and the like and has extremely-wide application range and remarkable social benefits and economic benefits. In addition, the antioxidant peptide has 2-5 amino acids and small molecule weight and is more easily absorbed by alimentary tract.

The invention belongs to the technical field of skin care oil medicine, in particular to skin care oil medicine containing peony oil and a preparation method thereof. The skin care oil medicine provided by the invention comprises the following components in parts by weight: main ingredients: peony seed oil, caprylic / capric triglyceride, cyclopentasiloxane and 1, 2 - butyl glycol 1-12, wherein the peony oil is peony seed oil or peony essence oil or the mixture of peony seed oil and peony essence oil; auxiliary ingredients: isostearic acid, butylated hydroxytoluene, avocado oil, simmondsia chinensis seed oil, meadowfoam seed oil and macadamia ternifolia seed oil; the skin care oil medicine containing peony oil prepared by the method provided by the invention can remarkably improve of the skin epidermis cell cycle function, promote the microcirculation of the blood capillary of the dermal skin effect, inhibit lipid peroxidation, improve metabolism, delay skin aging process, is provided with anti-wrinkle, moisturizing and whiting effect, people feels smooth and comfortable after the skin care oil medicine is used on the skin, and the skin care oil medicine containing peony oil is provided with better effect to chloasma, aging skin wrinkles, skin cutin hardening peeling and skin chap.

The invention discloses a corrosion-resistant rubber pipe material. The corrosion-resistant rubber pipe material is characterized by being prepared from the following raw materials in parts by weight: 30-40 parts of ethylene propylene rubber, 25-30 parts of solution polymerized styrene-butadiene rubber, 15-20 parts of an SRR-16 reclaimed rubber, 1-2 parts of benzoyl peroxide, 3-4 parts of an NXT silane coupling agent, 4-7 parts of nano-graphite, 7-9 parts of paraffin, 3-4 parts of talc, 0.7-0.9 part of zinc oxide, 0.6-0.8 part of zinc stearate, 2-4 parts of epoxy resin, 0.7-0.9 part of cyclohexane-1,6-sodium dithiosulfate, 1.5-1.8 parts of titanium dioxide, 1-3 parts of white oil, 0.3-0.5 part of an antioxidant AT-10, 0.8 part of butylated hydroxytoluene and 2-4 parts of sulfur. The prepared corrosion-resistant rubber pipe material is good in resistance and tolerance to various polar chemicals including acids, alkalis and oxidant, low in aging rate, low in cost, excellent in product performance and wide in application prospect.

A wood-plastic material and its manufacturing method relates to the preparation from waste plastics of mineralization garbage, and further its manufacturing method. The quality percentage composition of this material is waste plastic: wood powder: waste chemical fiber: silane coupling agent: 2-6 di-Butylated Hydroxytoluene: stearic acid: paraffin = (25%~45%): (50%~55.5%): (4%~15%): (0.2%~1.0%): (0.5%~2.0%): (0.3%~0.5%): (0~1.0 %). It firstly breaks, washes and dries the waste plastics, chemical fibers and wood flour, then mixes them for granulation, extrudes for molding. The material has good resistance of corrosion and weather, and its performance and characteristics are close to the wood.

The invention relates to a surface enhanced Raman spectrum detection method for antioxidant BHT (Butylated Hydroxytoluene), which comprises the steps of: adopting gold nano particles as an enhancing reagent, and mixing the gold nano particles with an antioxidant BHT test sample solution for carrying out surface enhanced Raman spectrum detection so as to measure the content of antioxidant BHT in a test sample. The surface enhanced Raman spectrum detection method is simple and convenient to operate, has high analyzing speed and high sensitivity, is applicable to large-scale BHT detection, and is expected to be widely applied in the fields of food, medicine and the like.

The invention mainly discloses a processing technique of 2,6-ditbutyl-4-methylphenol, which mainly comprises the steps of: alkylating methylphenol and isobutene and then neutralizing and washing the alkylated product. The processing technique of the 2,6-ditbutyl-4-methylphenol is characterized in that a catalyst with a usage amount of 0.3-1.5% mole percent of the methylphenol is added in the process of the alkylation of the methylphenol and the isobutene; the alkylated product after being washed is directed refined; methods of reduced pressure distillation and re-crystallization are jointly carried out in the refining process; and then the finished product of the 2,6-ditbutyl-4-methylphenol is obtained through offcentering and drying steps. The processing technique of the 2,6-ditbutyl-4-methylphenol has the advantages as follows: the yield of a course product of BHT (butylated hydroxytoluene) can reach 92% or higher with the adoption of methanesulfonic acid or sulfamic acid as a novel catalyst for the alkylation, and the purity of the pure product can reach 99% or higher through the joint of the reduced pressure distillation and the re-crystallization.

The invention provides an externally applied composite with the breast enhancement function, which comprises the following components by weight percent: 1-5% of kudzuvine root extract, 0.5-3% of coix seed extract, 0.1-2% of safflower extract, 0.1-2% of hairy antler extract, 0.1-2% of motherwort fruit extract, 2-10% of emulsifying agent, 5-15% of humectant, 3-8% of fatty alcohol, 8-20% of synthetic grease, 0.2-0.8% of essence, 0.1-1.5% of preservative, 0.01-0.1% of butylated hydroxytoluene and the balance of water. The composite can promote blood circulation of breasts and upgrade the elasticity of skin so as to further achieve the good breast enhancement effect.

The present invention is related to scoring or cutting balloon catheters carrying at least on a portion of their surface at least one drug or drug preparation and at least one lipophilic antioxidant at a ratio of 3-100% by weight of the at least one lipophilic antioxidant in relation to 100% by weight of the drug, wherein a combination of the at least one drug being a limus drug and the at least one lipophilic antioxidant being butylated hydroxytoluene is excluded.

The invention provides a lubrication cutting agent and a preparation method thereof. The lubrication cutting agent comprises: 10-40 parts of sulfurized cutting oil, 5-10 parts of naphthenic oil, 2-6 parts of triethyl phosphate, 1-4 parts of dinonyl naphthalene barium sulfonate, 0.2-1.5 parts of 1,2,6-butylated hydroxytoluene, 0.5-2.8 parts of dodecyl phenyl succinic acid, 1-5 parts of stearic acid, 0.1-1.2 parts of triethanolamine boric acid ester, 0.5-3.2 parts of sodium citrate, 0.3-1.2 parts of polyacrylamide, 12-18 parts of sodium dodecyl benzene sulfonate, 0.01-0.1 part of dodecenylsuccinic acid, 1-7 parts of oleamide, 5-13 parts of ethylenediamine tetraacetic acid tetrasodium, 0.2-0.8 part of chlorinated paraffin and 10-20 parts of hydrophilia polyhydric alcohols. The preparation method comprises steps of firstly, uniformly mixing a part of the components, and secondly, adding the rest components. The lubrication cutting agent provided by the invention has remarkable effects on improving the surface smoothness of a workpiece and alleviating abrasion of a cutter.

The invention relates to a transparent foam sole formulation, made from magnesium carbonate, a white foaming agent, bis(tert-butylperoxy) diisopropyl benzene, 2,6-di-tert-butyl-4-methylphenol or butylated hydroxytoluene, transparent zinc oxide, stearic acid, trimethylolpropane triacrylate, silane coupling agent, ethylene-vinyl acetate copolymer, olefin block copolymer, styrene-butadiene-styrene triblock copolymer, and ethylene-propylene-diene monomer rubber, wherein the magnesium carbonate is powdery and has particle size of 40-80 mesh. A sole made by comprehensively selecting formulations and processes is pervious to light, and can meet the requirements of soles in terms of physical parameters such as elasticity, yellowing resistance, and compression set deformation.

The invention provides a lubricating oil composition used in a rotary screw rod air compressor. The lubricating oil composition comprises the following components in percentage by mass: 0.1-3.0% of antioxidant, 0.01-1.5% of metal antirust agent, 0.01-1.5% of metal deactivating agent, 0.5-3.0% of anti-wear reagent at extreme pressure, 0.1-2.0% of pour point depressant, 10-500ppm of defoaming agent and the balance of hydrofined mineral oil, wherein the antioxidant is one or more of 2,6-ditertiary butyl p-cresol, phenyl-alpha-naphthylamine, dialkyl diphenylamine, butyl octyl diphenylamine and 3,5-ditertbutyl-4-hydroxy hydroxyl acetic acid ester; the metal deactivating agent is one or more of benzotriazole, a derivative of benzotriazole, thiadiazole and a derivative of thiadiazole; the metal antirust agent is one or more of long-chain carboxylic acid, alkyl benzoic acid, oleamide, oleoyl amino acid, benzotriazole and derivative of benzotriazole. The invention further provides a preparation method of the lubricating oil composition.

The invention relates to a novel catalyst for alkylation separation of m-cresol and p-cresol and a separation method. Imidazole type ionic liquid 4-(3-methyl-1-imidazol)-1-butyl sulfonic acid hydrogen sulfate with the purity of 99% is taken as the catalyst for alkylation reaction of cresol. A cresol mixture and an alkylation reagent, namely methyl tert-butyl ether perform hydrocarbyl substitution reaction to generate di-tert-butyl substitutes (4, 6-di-tert-butyl-m-cresol and 2, 6-di-tert-butyl-p-cresol) of m-cresol and p-cresol with greater boiling point difference. The di-tert-butyl substitutes are separated by utilizing a rectification method according to the boiling point difference between the two, and then tert-butyl groups in the di-tert-butyl substitutes of the cresol are removed to obtain pure m-cresol and p-cresol so as to achieve the purpose of separating the m-cresol and the p-cresol. The transformation rate of the m-cresol after the reaction is 85-89%, the transformation rate of the p-cresol is 78-81%, and alkylation products are 6-tert-butyl-m-cresol, 2-tert-butyl-p-cresol, 4, 6-di-tert-butyl-m-cresol and 2, 6-di-tert-butyl-p-cresol.

The invention discloses a complex based on divalent rare earth as center ion, which is represented in a general formula as L 2 LnL', wherein Ln means center ion that is bivalent ion of the rare earth metal, which is selected from one of samarium, europium, and ytterbium in the lanthanides; L and L' mean two ligands, L is selected from one of 2,6-butylated hydroxytoluene, di-trimethyl silylamino, dimethylcyclo-pentadienyl, N,N'-dimethylamino bridged bisphenol; L' is a complex solvent, which is selected from one of tetrahydrofuran and glycol dimethyl ether. The complex has the advantages of being used as a reaction catalyst to additionally synthesize guanidine by the amine and carbodiimide, catalyzing the amine and carbodiimide in an extremely high activity to additionally react at a moderate temperature, having wide adaptability for the reaction substrate, showing the extremely high activity for the amine in aromatic series and the fat, and conducting reaction without the solvent.

The invention provides a method for preparing 2, 6-ditertiary butyl-4-methylphenol by electrochemically degrading lignin. According to the method, a Pb / PbO2 electrode is used as a work electrode, a Cu piece is used as an auxiliary electrode, and a standard saturated calomel electrode is used as a reference electrode to form an electrolytic tank so as to electrochemically degrade lignin. According to the method for degrading lignin by catalytic oxidation by means of electrochemical technique, the method is mild in reaction condition, environmentally friendly and higher in efficiency. The raw material lignin selected is a reproducible high polymer with a wide source, and the lignin is used as the raw material to prepare BHT (Butylated Hydroxytoluene), so that not only is sewage discharged by a paper mill treated, but also a certain economic value is obtained. The method for preparing BHT by electrochemically degrading lignin is simple in process, lower in cost and environment-friendly, and has good development prospect and industrial application value.

The present invention is related to a medical device carrying at least on a portion of its surface a Limus drug or Limus drug preparation and butylated hydroxytoluene at a ratio of 3-100% by weight of butylated hydroxytoluene in relation to 100% by weight of the Limus drug.

The invention relates to a high-lubricating rolling oil composition and application thereof. The composition is prepared from 40-90 parts of highly refined mineral oil, 10-30 parts of carbon dodecanol tetradecyl alcohol, isotridecyl alcohol, n-octanol, pentaerythritol oleate, trimethylolpropane trioleate, diisooctyl phthalate, 2-ethylhexyl palmitate, isooctyl stearate, methyl palmitate or butyl stearate, 1-5 parts of ZDTP, octadecyl zinc dithiophosphate, sulfurized olefin, sulfide aliphatic acid ester, sulfurized animal oil, alkyl sulfide or sulfur phosphorus molybdenum, 0.5-5 parts of amine thiophosphate, isooctyl acidic phosphate octadecylamine, tricresyl phosphate, tributyl phosphate, dibutyl phosphate and carbon-12 to carbon-14 acid phosphate compound ester, 0.1-5 parts of 2,6-butylated hydroxytoluene, N-phenyl naphthylamine, thioether phenol or alkyl diphenylamine and 0.01-2 parts of 1H-benzotriazole, thiadiazole derivative and benzotriazole.

The invention discloses a muddy facial mask containing natural volcanic mineral mud powder. The muddy facial mask comprises PEG-100 stearate / glycerol stearate, paraffin wax, cetearyl alcohol, mineral oil, isohexadecane, phenyl isopropyl polydimethylsiloxane, butylated hydroxytoluene, cyclohexasiloxane / cyclopentasiloxane, glycerin, sodium hyaluronate, EDTA disodium, allantoin, panthenol, volcanic mud, paeonia suffruticosa root extract, portulaca oleracea extract, preservatives and a flavouring agent. The muddy facial mask is prepared from simple and easily available raw materials, simple in production preparation operation, and low in production cost, and required mineral mud powder is natural and easily available; the muddy facial mask is compounded of three kinds of mud powder for different purposes, integrates all different functions of the three raw materials and brings out the best in one another; and the muddy facial mask has no side effect and has high safety and good stability. Users do not has dependence after the muddy facial mask is used many times.

The invention provides a water-milk bilayer essence emulsion. The water-milk bilayer essence emulsion is composed of decamethyl cyclopentasiloxane, lubrajel, isododecane, pentaerythritol tetraester (ethylhexoic acid), butanediol, propanediol, glycerin polyether-26, glycerin, oat beta-glucosan, hamamalis water, phenyl trimethicone, phenoxyethanol, PEG-6 octanoic acid / capric acid glyceride, thickener, caprylyl glycol / ethylhexylglycerin, methylparaben, butylated hydroxytoluene, sodium hyaluronate, pigment and water. The water-milk bilayer essence emulsion is novel and beautiful in appearance, capable of realizing quick layering, stable in property and high in moisture retention performance.

The present invention provides compositions containing efinaconazole, butylated hydroxytoluene, a salt of ethylenediaminetetraacetic acid, and optional citric acid. The compositions exhibit stable color profiles and are useful in the treatment of fungal infections.

The invention relates to a method for co-producing 2, 6-butylated hydroxytoluene and m-cresol as well 6-tertiry butyl m-cresol by utilizing a cresol mixture. The method comprises the steps of: feeding the cresol mixture and a catalyst into a reaction kettle to be sufficiently mixed in proportion, and then introducing isobutene, wherein the initial reaction temperature is 120-130 DEG C; cooling for five hours until the temperature reaches 60-70 DEG C, then carrying out alkylation to obtain an alkylation solution mainly containing the 2, 6-butylated hydroxytoluene and 4, 6-butylated m-cresol, and refining, wherein the 2, 6-butylated hydroxytoluene with the content of 99% is obtained at the top of a tower, and the 4, 6-butylated m-cresol and the catalyst are produced at the bottom of the tower and sent to the reaction kettle; and carrying out cracking reaction on the 4, 6-butylated m-cresol and the catalyst at the temperature of 120-210 DEG C, and refining, wherein m-cresol with the content of 99% and 6-tertiry butyl m-cresol with the content of 99% are respectively obtained at the top of the tower. Compared with other technologies, the method has the characteristics of being short in reaction time, low in cost, strong in industrial feasibility and the like and the yield is high.

The invention discloses a microemulsion for delaying oxidizztion of feed oil and a preparation method thereof. The microemulsion is prepared from the following components in percentage by mass: 5 to 15% of fat-soluble antioxidant, 1.5 to 4% of water-soluble antioxidant, 30 to 50% of oil grease, 0.5 to 2% of synergist, 20 to 40% of emulsifier, 5 to 15% of co-emulsifier, and 5 to 15% of water, wherein the fat-soluble antioxidant is selected from at least one of BHT (butylated hydroxytoluene), DLTP (dilauryl thiodipropionate) or TBHQ (tert-butyl hydroquinone); the water-soluble antioxidant is selected from at least one of tea polyphenol or grape seed extract; the effective ingredient of the grape seed extract is oligomeric proanthocyanidins. The microemulsion has the advantages that the water-soluble antioxidant, the fat-soluble antioxidant and the synergist are prepared into the microemulsion, the problem of use limitation of the water-soluble antioxidant in feed oil is solved, and the oxidization of the feed oil is delayed by the synergistic action of water-soluble antioxidant and fat-soluble antioxidant.

The invention relates to lignin nanoparticles and a preparation method and an application thereof, the method comprises the following steps: mixing a hydrogen bond acceptor and a hydrogen bond donor, heating to obtain a homogeneous transparent eutectic solvent, and cooling to room temperature; uniformly mixing a lignocellulose raw material with a deep-eutectic solvent to form a solid-liquid mixture; carrying out heat treatment on the solid-liquid mixture to obtain a pretreated mixture; cooling and washing the pretreated mixture, then carrying out solid-liquid separation to obtain solid-phase pretreated cellulose residues and a liquid-phase component, drying the solid-phase pretreated cellulose residues, and collecting the dried solid-phase pretreated cellulose residues; evaporating and concentrating the liquid component, adding the liquid component into a reversed-phase solvent to precipitate lignin nanoparticles, centrifuging, drying and collecting; and step E, recovering the eutectic solvent in the centrifugate for recycling. The lignin nanoparticles have antioxidant activity comparable with that of a commercial antioxidant dibutylated hydroxytoluene, and have wide application prospects in the industries of food packaging materials, skin care medicine and the like.

The present invention relates to methods of inducing differentiation of mammalian bone marrow stromal cells into neuronal cells by contacting marrow stromal cells with a neuronal differentiation-inducing compounds. Neuronal differentiation-inducing compounds of the invention include anti-oxidants such as, but not limited to, beta-mercaptoethanol, dimethylsulfoxide, butylated hydroxyanisole, butylated hydroxytoluene, ascorbic acid, dimethylfumarate, and n-acetylcysteine. Once induced to differentiate into neuronal cells, the cells can be used for cell therapy, gene therapy, or both, for treatment of diseases, disorders, or conditions of the central nervous system.