67 results about "Ethyl lauroyl arginate" patented technology

The invention relates to a novel veterinary antibacterial agent and in particular relates to a lauroyl arginine ethyl ester ion pair compound derivative which is prepared from lauroyl arginine ethyl ester LAE and an organic acid through reactions. As a livestock aquatic animal antibacterial agent, the derivative is capable of preventing and treating duckling riemerella anatipestifer diseases caused by riemerella anatipestifer, is capable of treating peritonitis diseases caused by escherichia coli and staphylococcus aureus, is capable of preventing and treating fish septicemia caused by aeromonas sobria, and has remarkably improved prevention and treatment effects when being compared with a conventional LAE veterinary antibacterial agent. The derivative can be completely degraded in human bodies and animal bodies and is small in toxic and side effect, environment drug resistance bacteria caused by residual antibacterial agents discharged into the environment can be avoided, and small adverse environment influence can be caused while an effective antibacterial effect is achieved.

The invention discloses a gentle moisturizing cleansing lotion and a preparation method thereof, and relates to the technical field of chemical household chemicals. The cleansing lotion comprises thefollowing ingredients: PEG-6 caprylins / caprins, butanediol, babassu seed oil glyceryl polyether-8 esters, EDTA disodium, arabian jasmine flower water, mycose, an opuntia streptacantha stem extract, cassava starch, olive fruit water, a citrus peel extract, a centella extract, ethyl lauroyl arginate HCl, 1-2-hexanediol, sweet orange oil, PEG-40 hydrogenated castor oil and the balance of water. The invention also discloses a preparation method of the cleansing lotion. The cleansing lotion prepared by the invention is free of chemical preservation additives, and has the advantages of being safe, reliable and free of irritation; the main base materials of the cleaning lotion adopt the PEG-6 caprylins / caprins to be compounded with a polyhydric alcohol humectant, various natural plant active ingredients are added on the basis, and the skin is moisturized and repaired at the same time of cleansing.

The invention discloses a preparation method of ethyl lauroyl arginine hydrochloride, which belongs to the technical field of organic synthesis. The method comprises: reacting L-arginine hydrochloride with lauroyl chloride in a mixed solvent composed of water and organic solvent A, after the reaction is completed, adjusting the pH value to 5-9, centrifuging and drying to obtain lauroyl arginine; React lauroyl arginine with ethanol and thionyl chloride, and evaporate to dryness to obtain the crude product after the reaction is completed; dissolve the crude product in organic solvent B, add alkaline aqueous solution to adjust the pH value to 5-8, stir, stand still, and take The organic layer was cooled to crystallize, centrifuged and dried to obtain the refined product of ethyl lauroyl arginate hydrochloride. The preparation method provided by the invention has the advantages of simple operation, few by-products, easy separation, easy drying and easy crushing, etc., and the main impurities in the product are effectively removed during the preparation process, and high-purity fine particle lauroyl arginine B can be obtained. Ester hydrochloride, suitable for large-scale production, the product is widely used in food and cosmetic industries.

The invention discloses hydrophobic, oleophobic and antibacterial coating for the surface of a textile material. The hydrophobic, oleophobic and antibacterial coating is prepared from the following components according to the mol ratio: the ratio of methyltriethoxysilane to perfluorooctyltriethoxysilane to modified nano silicon dioxide to water is (3 to 4) to (4 to 5) to (3 to 4) to (7 to 9); thehydrophobic, oleophobic and antibacterial coating further contains ethyl lauroyl arginate hydrochloride which accounts for 0.1 to 5 weight percent of the coating. According to the hydrophobic, oleophobic and antibacterial coating, a cloth material is washed through a specific pre-treatment technology and dip-coating of the coating is carried out; curing treatment is carried out by adopting a specific technology to obtain a hydrophobic, oleophobic and antibacterial coating layer. The hydrophobic, oleophobic and antibacterial coating layer provided by the invention has the advantages of good adhesion force, strong self-cleaning capability, strong hydrophobic and oleophobic performance, flame-retarding performance and antibacterial performance, is applicable to various cloth materials and hasan extremely strong self-protection capability; the surface of cloth has hydrophobic and oleophobic characteristics and the pollution-resisting property can be effectively enhanced; the hydrophobic,oleophobic and antibacterial coating has a relatively great application prospect.

This invention discloses a method of preservation of a food product comprising the step of adding 1) a first component comprising between 10 ppm and 1% of a biocidal salt of Nα—(C1-C22) alkanoyl di-basic amino acid alkyl (C1-C22) ester cationic biocidal molecule with an anionic counterion, and 2) a second component comprising from 10 ppm to 1% by weight an acyl monoglyceride, directly to a food product. The preferred cationic biocidal molecule comprises Nα-lauroyl-L-arginine ethyl ester (“LAE”). The invention also discloses the method of preservation of a food product using salts of a Nα—(C1-C22) alkanoyl di-basic amino acid alkyl (C1-C22) ester cationic biocidal molecule and an anionic counterion with or without a monoglyceride of a fatty acid, whereby the packaging film is compounded with the salts and the optional monoglyceride of a fatty acid.

The invention discloses a natural antibacterial detergent for lady clothes. The preparation method comprises the following steps that: a natural composition is developed which has strong antibacterialactivity on escherichia coli, candida albicans and staphylococcus aureus, namely tea tree essential oil, lemongrass essential oil and ethyl lauroyl arginate HCL; and when the natural antibacterial composition is used for laundry products, the natural antibacterial composition further comprises a surfactant, and the surfactant is cocamidopropyl betaine, lauryl glucoside and disodium cocoyl glutamate. The natural antibacterial detergent for lady clothes is developed on the basis, has super-strong capabilities of removing protein stains, removing blood stains and removing underwear secretion residues, has a high antibacterial rate on escherichia coli, staphylococcus aureus and candida albicans, and has an antibacterial rate of more than or equal to 99.9 percent after acting for 2 minutes; and moreover, the product is clear and transparent in appearance, high in natural component proportion, weakly acidic, mild and non-irritant.

The invention discloses a preparation method of ethyl lauroyl arginate hydrochloride, and belongs to the technical field of the preparation of food additives. The preparation method comprises the following steps that according to the charging molar ratio, which is not less than (2 to 1), of ethyl arginate dihydrochloride to lauryl chloride, dropwise adding the lauryl chloride into an ethyl arginate solution, and carrying out a reaction; after the reaction is finished, adding ethyl acetate, extracting, and separating an oil phase and a water phase; washing the oil phase through a saturated sodium chloride aqueous solution, and evaporating a solvent, so that the ethyl lauroyl arginate hydrochloride is obtained; replenishing the ethyl arginate dihydrochloride with an amount equivalent to the consumption in the former reaction into the water phase, dropwise adding the lauryl chloride with an equal molar weight, continuously reacting, and completing post treatment, wherein the step can be subsequently repeated to carry out multiple times of reaction. Through using the excessive ethyl arginate dihydrochloride in the initial step and then repeatedly utilizing the water phase containing the ethyl arginate dihydrochloride, a raw material is maintained to be excessive in each reaction and not only can the conversion ratio of the lauryl chloride be improved but also a high-purity product can be obtained.

The invention discloses waterproof mildewproof starch glue and a preparation method thereof. the waterproof mildewproof starch glue is mainly prepared from starch, urea formaldehyde resin, borax, propylene glycol alginate, aluminum hydroxyl distearate, sodium hypochloride, diisopropyl phthalate, potassium persulfate, 5-chloro-2-methyl-4-isothiazoline-3-ketone, hydroxyethylmethylcellulose, kaolin, acrylic nuclear glycan, lithium-based bentonite, sodium hydroxide, methyl acrylate, sodium methyl cocoyl taurate and hexamethylene diisocyanate. Through mutual cooperation of the urea formaldehyde resin, ethyl hydrogen-containing silicon oil, aluminum hydroxyl distearate and resorcinol, waterproofness of the starch glue is improved; ethyl lauroyl arginate hydrochloride and 5-chloro-2-methyl-4-isothiazoline-3-ketone have mildewproof and antibacterial effect, thereby being conducive to improving mildewproof and antibacterial performance of the starch glue; ingredients like propylene glycol alginate and acrylic nuclear glycan are conducive to improving stability of the starch glue and prolonging service life of the same.

The invention discloses a compound preservative for cosmetics and a preparation method. The compound preservative is prepared from the following components in percentage by weight: 1 to 20 percent of ethyl lauroyl arginate hydrochloride and the balance of polyols. The preparation method comprises the following steps: weighing corresponding mass of ethyl lauroyl arginate hydrochloride and polyols according to weight percent and uniformly mixing to obtain the compound preservative. The compound preservative disclosed by the invention can inhibit most bacteria, fungi and saccharomycetes in the cosmetics, has a moisturizing function and good affinity to the skin, and is suitable for a cosmetic system having relatively high requirement on formula mildness.

The present invention relates to a process for preparing hydrochloride salt of N-fatty acyl substituted amino acid ethyl ester. Said process includes the steps of: dissolving L-arginine ethyl ester dihydrochloride in distilled water with continuous agitation for a period of about 10 to about 20 minutes to obtain a clear solution; lowering the temperature of the clear solution to about 5° C. to about 10° C. to obtain a cooled solution; adjusting the pH of the cooled solution in the range of about 7 to about 8 by adding sodium hydroxide solution; adding at least one organic solvent to the clear solution with continuous agitation to obtain an intermediate mixture; condensing the intermediate mixture by simultaneously adding an acid halide and 20% sodium hydroxide solution at a temperature of about 7° C. to about 9° C. and at a pH in the range of about 7.2 to about 7.5 for about 2 hours to obtain a mixture; raising the temperature of the mixture to about 18 to about 20° C. followed by addition of sodium hydroxide to adjust the pH of the mixture to about 7.3; warming the mixture at a temperature of about 25 to about 30° C. to obtain a resultant mixture containing organic phase and aqueous phase; separating the organic phase and aqueous phase of the resultant mixture by settling the mixture; and distilling the organic phase under vacuum at a temperature of about 70° C. to about 75° C. to obtain a hydrochloride salt of ethyl lauroyl arginate.

The invention discloses a production and purification process of ethyl lauroyl arginate hydrochloride. The process comprises the following steps: step A, esterfying in ethyl alcohol to obtain ethyl arginate dihydrochloride; step B, adding lauroyl chloride into ethyl arginate dihydrochloride in an organic system in the presence of organic alkali, and carrying out condensation to obtain ethyl lauroyl arginate; step C, acidifying ethyl lauroyl arginate into hydrochloride in the organic system, and purifying the product; and step D, carrying out recrystallization and precipitating solid out, and drying the solid to obtain ethyl lauroyl arginate hydrochloride. Through the production and purification process of ethyl lauroyl arginate hydrochloride, the hydrolysis of the product can be effectively avoided; the product is high in stability in industrial production; the mole yield of the product is 97% or higher; the purity of the product is 97% or higher; compared with the existing productiontechnology, the molar yield and the purity of the product are obviously improved.

The invention discloses soothing, moisturizing and anti-aging aloe gel and a preparation method thereof, and relates to the technical fields of chemical and daily chemical products. The soothing, moisturizing and anti-aging aloe gel comprises the following raw materials in parts by weight: 57 to 90.89 parts of water, 1 to 5 parts of butanediol, 1 to 3 parts of jojoba lipids, 0.1 to 1 part of algaeextract, 0.1 to 1 part of carbomer, 0.1 to 1 part of sodium hyaluronate, 5 to 10 parts of aloe barbadensis leaf juice, 1 to 5 parts of tremella fuciformis extract, 1 to 5 parts of dimethyl silicone polymer, 1 to 3 parts of glycosphingolip-ids, 0.5 to 5 parts of lavender water, 0.1 to 1 part of oliopeptide-1, 0.1 to 1 part of arginine, 0.01 to 1 part of ethyl lauroyl arginate HCL, and 0.1 to 1 part of 1,2 hexanediol. The invention further discloses a preparation method of the soothing, moisturizing and anti-aging aloe gel. The soothing, moisturizing and anti-aging aloe gel has the advantages that the aloe barbadensis leaf juice is added, and various plant extracts are adopted for compounding; the moisturizing and repairing effect is obvious, and the aloe gel is safe and non-stimulating.

The present invention is related to synthesis of highly pure cationic surfactant products by eliminating or reducing impurities generation that has beset prior art. This is achieved through the N-acylation of ester of amino acid and its inorganic salts or its organic salts (e.g. amino acid or hydrochloride of amino acid or sulfate of amino acid or acetate of amino acid etc.) in non-hydrolytic or nearly non-hydrolytic reaction conditions involving mono or biphasic reaction system with fatty acid halide (C4 to C20), under moderate uniform basic condition yielding high purity N-acyl substituted amino acid ester, particularly ethyl lauroyl arginate. The present process achieves pH control through process strategy rather than the measurement and control steps. This ambient temperature process is stable through a range of temperature variation eliminating rigid low temperature control.

The present invention provides an antimicrobial composition, which comprises a lauroyl lauroyl arginate (LAE) ion pair derivative, and the antimicrobial composition is an antiviral agent against an enveloped virus, wherein the enveloped virus is selected from vesicular stomatitis virus of the herpes virus, or the Newcastle disease virus selected from the paramyxovirus. The antiviral agent is the anti-infective agent comprising a condensate derived from fatty acid and esterified binary amino acid, and is capable of acting on Newcastle disease virus and vesicular stomatitis virus in-vitro, and reducing the infection of Newcastle disease virus and vesicular stomatitis virus to cells. The antiviral agent is added to the cultured Newcastle disease virus (NDV) and vesicular stomatitis virus (VSV), or the antiviral agent is added at different times before the virus is infected and after the infection, the infected cells are detected, and the number of viruses is found to be significantly reduced. The antiviral agent can effectively inhibit or kill the virus and can be used to prevent or reduce the ability of the virus to infect cells. The present invention also provides a method of preparing the antimicrobial composition, which has the characteristics of better virucidal effect and lower dosage than that of the original antimicrobial composition containing a LAE compound.

The invention relates to peptides for promoting wound healing and application thereof. Specifically, the invention discloses peptides as shown in SEQ ID NO:1 and SEQ ID NO:2 which are singly used or jointly used for promoting the wound healing activity and a grease containing the peptides, wherein the grease contains the following components by weight percent: 0.0005-0.001wt% of peptide as shown shown in SEQ ID NO:1 and / or peptide as shown in SEQ ID NO:2 and 2.0-4.0wt% of glutathione, 0.5-2.5wt% of taurine, 2.0-4.0wt% of 1,3 propylene glycol, 4.0-6.0wt% of tea extract, 2.0-4.0wt% of sweet almond oil, 2.0-4.0wt% of aloe extract, 8.0-12.0wt% of carbomer, 2.0-4.0wt% of rose fruit oil, 1.0-3.0wt% of asiaticoside, 2.0-4.0wt% of glucan, 1.0-3.0wt% of tremella extract, 0.5-2.5wt% of soy isoflavone, 0.5-1.5wt% of curcuma zedoary extract, 0.5-1.5wt% of dendrobium officinale extract and a defined amount of ethyl lauroyl arginate. The grease disclosed by the invention has an effect of promoting wound healing.

The invention belongs to the field of coating chemical industry, and concretely discloses a hydrophobic and oleophobic antibacterial coating. The coating is prepared by mixing 95-99 wt% of acrylatedepoxidized soybean oil, 0.05-2 wt% of ethyl lauroyl arginate hydrochloride and 1-3 wt% of an initiator. The coating has an ultraviolet curing characteristics; a coating layer formed by the coating hasan excellent antibacterial property on the basis of maintaining the original hardness and stability, and the surface of the coating layer has super-hydrophobic and oleophobic properties, so the anti-pollution performance is greatly enhanced; and the coating is suitable for daily maintenance of various pipelines, and is especially suitable for bacteriostatic and clean maintenance of the inner walls of the pipelines immersed in a water environment for a long term.

The invention relates to a protein peptide bathing and cleansing gel and a preparation method thereof. The protein peptide bathing and cleansing gel is prepared from 8-12 parts of vegetable fatty acylhydrolyzed vegetable protein salt, 1.2-2.5 parts of lauryl lactate, 1-10 parts of vegetable fatty acyl sarcosinate, 0.5-1 part of ethyl lauroyl arginate hydrochloride, 0.5-1 part of polyglycerol ester, 0.00008-0.0001 part of N-succinyl chitosan, 1-5 parts of polyhydric alcohols and 67.5-87.6 parts of water. During preparation, firstly, transparent materials are prepared in groups, then the transparent materials are blended, and ageing is carried out to obtain the bathing and cleansing gel. The natural hydrolyzed vegetable protein peptide bathing and cleansing gel has the advantages that the bathing feeling is smooth, comfortable and cool, the washing effect is strong, the denseness is ideal, sterilization and disinfection are achieved, the skin is moisturized and nourished, foam is fine,smooth and rich, washing is convenient, and the gel is safe and nontoxic.

The invention discloses compound preservative coating liquid for aquatic products, and a preparation method and an application method thereof. The compound preservative coating liquid for aquatic products is composed of the following ingredients in percentage by mass: 0.5-2% of chitosan, 0.5-2% of ethyl lauroyl arginate HCL, 0.5-2% of essential oil, 0.5-1% of oil, and the balance of distilled water. The preparation method of the compound preservative coating liquid for aquatic products comprises the following steps of mixing the chitosan with the ethyl lauroyl arginate HCL, adding part of thedistilled water, and performing magnetic stirring or agitation-stirring in normal-temperature water bath for 10-20 minutes; adding the essential oil and the oil, carrying out heating until the temperature reaches 40-50 DEG C, and continuing stirring for 15-25 minutes; and then, carrying out cooling until normal temperature is reached, and adding the remaining distilled water so as to obtain the product, namely the compound preservative coating liquid for aquatic products. The application method of the compound preservative coating liquid for aquatic products comprises the following steps: (1)performing pretreatment on aquatic products, namely washing fresh and alive aquatic products by using clean water, and carrying out sterilization treatment; (b) carrying out immersion with the compound preservative coating liquid, namely immersing the pretreated aquatic products with the compound preservative coating liquid so as to have surfaces of the aquatic products rapidly coated with a layerof preservative film; and (c) carrying out packaging, namely packing the coated aquatic products with sealed bags, and carrying out low-temperature refrigeration at 1-7 DEG C or frozen storage at 0 DEG C or below.

The invention relates to an active peptide capable of adjusting sebum secretion and a cosmetic containing the active peptide. Particularly, the invention discloses peptides respectively represented by SEQ ID NO:1 and SEQ ID NO:2 which are independently used for or combined for adjusting the sebum secretion activity and the cosmetic containing the peptides. The cosmetic contains the following components in percentage by weight: 2.0%-4.0% of retinol, 0.5%-2.5% of a fructus forsythia fruit extract, 0.5%-2.5% of a radix salviae miltiorrhizae extract, 2.0%-4.0% of a rhizoma anemarrhenae extract, 4.0%-6.0% of a white willow bark extract, 2.0%-4.0% of 1,3-propylene glycol, 4.0%-6.0% of a radix sophorae flavescentis extract, 2.0%-4.0% of soybean lecithin, 2.0%-4.0% of glucan, 1.0%-2.0% of nicotinamide and 2.0%-4.0% of ethyl lauroyl arginate. The cosmetic has the efficacies of inhibiting sebum secretion, treating acnes and the like.

The invention discloses eye care spray and a preparation method thereof. The eye care spray is prepared from an ingredient A, an ingredient B and an ingredient C, wherein the ingredient A is preparedfrom 70 to 110 parts of purified water, 0.1 to 10.0 parts of glycidol, 0.001 to 0.1 part of sodium hyaluronate and 0.1 to 10.0 parts of mannitol in parts by weight; the ingredient B is prepared from 0.0001 to 0.1000 part of coffee extracts, 0.0001 to 0.1000 part of oligopeptide-1 and 0.0001 to 0.1000 part of polyglutamic acid in parts by weight; the ingredient C is prepared from 0.01 to 1.00 partof ethyl lauroyl arginate and 0.01 to 1.00 part of 1,2- hexanediol in parts by weight. The eye care spray has the advantages that no chemical anticorrosion additive is used; safety, reliability and noirritation are realized; the main base materials are glycerol compounded sodium hyaluronate ingredients; through the human body tear simulation, the effect of moisturizing the eyes can be achieved; mannitol and coffee extracts are matched, so that the eye problems of shortsightedness, dry and fuzzy eyes and the like can be solved; the corneal epithelium restoration is promoted.

The invention relates to a novel feed additive. The feed additive is an antibacterial agent containing a condensation compound derived from fatty acid and esterified binary amino acids and has the advantages that riemerella anatipestifer, RA diseases of ducklings caused by riemerella anatipestifer, RA can be prevented and treated, peritonitis diseases caused by escherichia coli and staphylococcusaureus can be treated, and septicemia of fish caused by aeromonas sobria can be prevented and treated; bacteria can be effectively inhibited or killed, the risk that poultry, livestock and aquatic animals are infected with the bacteria can be greatly reduced, and the survival rate of the animals infected with pathogenic bacteria can be increased; and ethyl lauroylarginate can be safely degraded ina human body and an animal body and is small in toxic and side effects, so that the generation of environmental drug-resistant bacteria caused by the fact that residual antibacterial agents are discharged into the environment can be avoided, and the negative influence on the environment is less while the effective antibacterial effect is achieved.

The invention discloses a hyaluronic acid cleanser and a preparation method thereof. The hyaluronic acid cleanser is prepared from the following components in percentage by mass: 0.20 to 2.00 percentof hydroxypropyl starch phosphate, 0.10 to 1.00 percent of sodium hyaluronate, 0.20 to 0.50 percent of biological sugar gum powder, 10.00 to 15.00 percent of sodium cocoyl glycinate, 2.00 to 8.00 percent of sodium methyl lauroyl taurat, 1.00 to 5.00 percent of sodium lauroyl glutamate, 2.00 to 8.00 percent of cocamidopropyl betaine, 1.00 to 5.00 percent of PEG-150 stearate, 0.10 to 1.00 percent ofcitric acid, 1.00 to 5.00 percent of PEG-50 shea butter, 1.00 to 4.00 percent of starfish cladularia extract, 0.10 to 1.00 percent of ethyl lauroyl arginate HCl, 0.10 to 1.00 percent of 1,2-hexanediol, 0.01 to 0.10 percent of sweet orange oil, and the balance of purified water; the cleanser prepared by the preparation method does not contain a preservative, is fresh in smell, is suitable for sensitive skin, is strong in cleaning capacity and is relatively mild, and cannot produce irritation to skin.

The invention provides an antibacterial preservative film, and a preparation method thereof. The antibacterial preservative film comprises ethyl lauroyl arginate (LAE) or an ion pair derivative of ethyl lauroyl arginate. The antibacterial preservative film is nontoxic, is capable of inhibiting bacteria, is stable in performance, and is convenient to process.

The invention discloses a sustained-release composition preparation of polypeptide protein drugs and a preparation method thereof. The sustained-release composition preparation is prepared from the polypeptide protein drugs, a compound reagent and temperature-sensitive polymer aqueous solutions; the compound reagent is protamine, composition of the protamine and metal salt, composition of protamine, sodium phosphates and calcium chloride, a composition of protamine, sodium carbonate and calcium chloride or ethyl lauroyl arginate. According to the sustained-release composition preparation disclosed by the invention, accurate controlled sustained release of the polypeptide protein drugs can be realized under the premise of no influencing a drug effect of the polypeptide protein drugs, and the injection dosage times of the drugs can be reduced, and thus, the compliance of a patient is improved, and release velocity is stable. All steps of the preparation method of the sustained-release composition preparation are carried out in an aqueous phase, so that the structure and the biological activity of the polypeptide protein drugs are effectively maintained.

An agent for coloring keratinic fibers, particularly human hairs, includes in a cosmetic carrier(a) at least one preservative from the group of sorbic acid, 2-hydroxydiphenyl, 4-hydroxybenzoic acid, dehydroacetic acid, dibromohexamidine, 10-undecylenic acid, hexetidine, triclocarban, triclosanum, 4-chloro-3,4-dimethylphenol, imidazolidinyl urea, hexamethylenetetramine, 1-(4-chlorophenoxy)-1-(imidazole-1-yl)-3,3-dimethyl-2-butanone, 1,3-Bis-(hydroxymethyl)-5,5-dimethyl-2,4-imidazolidinedione, 1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2-pyridone, bromochlorophene, 3-methyl-4-(1-methylethyl)phenol, 5-chloro-2-methyl-3(2H)-isothiazolone, 2-benzyl-4-chlorophenol, 2-chloroacetamide, chlorohexidine, 4,4-dimethyl-1,3-oxazolidine, 1-phenoxy-propane-2-ol, hexamidine, 5-ethyl-1-aza-3,7-dioxabicyclo-[3.3.0]-octane, chlorphenesin, sodium hydroxymethyl amino acetate, benzyl hemiformal, 3-iodo-2-propynyl butylcarbamate, methylisothiazolinone and ethyl lauroyl arginate, and(b) at least one oxidation dye precursor and / or at least one direct dye.A second object of the present invention is a method for manufacturing a colorant of the first object of the invention.

The invention provides a novel drug encapsulation product. The product includes ethyl lauroyl arginate (LAE) and its ion pair derivatives. The invention further provides a method for preparing the drug encapsulation product containing the ethyl lauroyl arginate (LAE) and its ion pair derivatives. The drug encapsulation product has the advantages of being natural, free of toxics, capable of efficiently inhibiting bacteria and easy to degrade by animals and giving play to drug synergistic effects.

The invention discloses an efficiently water-retaining and sterilizing scale remover. The efficiently water-retaining and sterilizing scale remover is prepared from raw materials including, by weightpercentage, 2-5 w / % of polyvinyl alcohol, 5-10% of ethyl lauroyl arginate hydrochloride, 50-60% of alkylphenol ethoxylate, 5-10% of sodium bicarbonate, 5-10% of sodium chloride, 10-20% of citric acidand ethyl alcohol as balance. Through the surface active bactericidal ability of amino acids, the scale removing and corrosion inhibiting ability of citric acid and alkylphenol ethyoxylate, and the film forming and water retaining effects of polyvinyl alcohol, the efficiently water-retaining and sterilizing scale remover can strip, moisturize and disperse dirt and corrosives covering the surface of metal or plastics into absorption liquid to achieve the aim of cleaning as well as elimination of bacteria and microorganisms in solution and on the surface of metal and plastics. The efficiently water-retaining and sterilizing scale remover has the advantages of simple production processes, low production cost, safety production and application, environmental protection, high efficiency and thelike and is convenient to transport and use and high in water retaining, bactericidal and scale-removing effects.

Multi-effect cleansing foam comprises a phase A, a phase B and a phase C. The phase A comprises the following components: 50-80 percent of water, 5-15 percent of sodium lauroyl sarcosine, 5-15 percentof disodium lauroyl glutamate, 3-10 percent of coconut oil acyl hydrolyzed oat protein potassium, 3-5 percent of butanediol, 0.1-2 percent of decyl glucoside, 0.1-2 percent of trimethyl pentanediol / adipic acid / glycerol cross-linked polymer, 0.1-1 percent of citric acid and 0.01-0.1 percent of disodium EDTA. The phase B comprises the following components: 2-5 percent of aloe barbadensis leaf juice, 1-5 percent of paeonia albiflora root extract, 0.001-1 percent of chamomilia recutita extract, 0.001-1 percent of tremella fuciformis extract and 0.1-1 percent of ethyl lauroyl arginate HCl. The phase C comprises the following components: 0.01-0.1 percent of PEG-40 hydrogenated castor oil and 0.001-0.01 percent of michelia alba flower oil. The raw materials of the components are natural, and themulti-effect cleansing foam has small irritation to skin, good moisture retention and strong cleaning capacity, and has multiple effects of repairing damaged tissues, resisting bacteria, diminishinginflammation, preventing and treating acnes, activating skin, resisting aging, reducing oil gloss and increasing the softness of the skin.

The invention provides an anticorrosion agent or anti-mildew agent for wipes, which comprises LAE (N(alpha)-lauroyl arginine ethyl ester) and its ion pair derivative. The invention also provides a method for preparing an anticorrosion agent or anti-mildew agent for wipes and an anticorrosion agent or anti-mildew agent for wipes, prepared via the method. The anticorrosion agent or anti-mildew agentfor wipes has the advantages of good naturalness and zero toxicity, high antibacterial performance, good degradability, and good environmental friendliness.