986 results about "Salicylic acid" patented technology

The invention belongs to the technical field of microorganisms, and particularly relates to bacillus mobilis DG-7 and application thereof in inhibiting bolting of angelica sinensis and improving disease resistance of angelica sinensis. The invention provides a strain of bacillus mobilis DG-7, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No.31089. The bacillus mobilis DG-7 and the microbial inoculum thereof provided by the invention can play roles in inhibiting early bolting of angelica sinensis and improving disease resistance by increasing the content of plant endogenous melatonin and salicylic acid, reducing the content of abscisic acid, auxin and gibberellin, reducing the content of total phenolic acid and reducing the expression of photoperiod-related genes. In addition, the bacillus mobilis DG-7 does not solubilize phosphorus, so that the promotion effect of high-concentration phosphorus on early bolting is effectively avoided; the laccase activity of the bacillus mobilis DG-7 is high, polyphenol substances can be effectively removed, and the bolting rate can be reduced.

The preparation method comprises the following steps: S1, crushing cordate houttuynia rhizomes, adding the crushed cordate houttuynia rhizomes into a mixed acid aqueous solution, and carrying out immersion treatment to obtain a cordate houttuynia mixed solution; s2, adjusting the pH value of the herba houttuyniae mixed solution to 4-5, adding pectinase, carrying out primary enzymolysis and enzyme deactivation, adjusting the pH value to 6-7, adding compound enzyme, carrying out secondary enzymolysis and enzyme deactivation, so as to obtain an enzymatic hydrolysate; s3, menthol is added into the enzymatic hydrolysate, water extraction is conducted, and water extract and filter residues are obtained; s4, the filter residues are added into ethyl alcohol, then salicylic acid and diacetyl tartaric acid ester of mono (di) glycerides are added, alcohol extraction and filtering are conducted, and an alcohol extraction solution is obtained; s5, mixing the water extract with the alcohol extract, and performing reduced pressure distillation to obtain the herba houttuyniae extract. According to the method, the extraction rate of polysaccharide and flavone in houttuynia cordata can be effectively increased, and meanwhile, the prepared houttuynia cordata extract has better oxidation resistance and has a good application prospect.

The invention belongs to the technical field of hair care products, and particularly relates to composite acid gel for scalp care and a preparation method thereof. Salicylic acid, glycolic acid, piroctone azelate olamine salt, echinacea purpurea-lactic acid bacteria yeast, an emulsifier and water are combined, wherein the echinacea purpurea-lactic acid bacteria yeast is prepared by performing enzymolysis on echinacea purpurea through bacillus subtilis protease and then performing aerobic fermentation with lactic acid bacteria. Salicylic acid, glycolic acid and azelaic acid in the composite acid gel are compounded, so that stimulation of salicylic acid is weakened, and the effect of dissolving hair follicle grease is reserved; glycolic acid and azelaic acid are added to accelerate keratin metabolism, regulate sebum secretion and create safe and healthy shielding for the scalp environment, and polysaccharide and flavonoid compounds in the echinacea purpurea-lactic acid bacteria leavening are beneficial to exerting the anti-oxidation and immune regulation effects of the echinacea purpurea-lactic acid bacteria leavening. Therefore, the composite acid gel provided by the invention is green, safe and non-irritant, the preparation method is simple and convenient, and the composite acid gel can be used for inhibiting bacteria and reducing scalp inflammation.

The invention relates to a crop drought-resistant agent, a method for improving crop drought resistance and / or promoting crop growth and development and application of the crop drought-resistant agent, and belongs to the technical field of agricultural production. The crop drought-resistant agent is prepared from the following components: arginine, chitosan, salicylic acid, diethyl aminoethyl hexanoate, betaine, brassinolide and water. The crop drought-resistant agent can promote normal growth and development of crops under drought conditions, improve plant biomass accumulation and cell antioxidant enzyme activity and reduce toxicity of ROS to the plants, so that adaptability, tolerance and resistance of the crops to drought stress are improved, and the crop drought-resistant agent has the advantages of being good in drought-resistant effect, high in stability and high in safety.

The invention relates to the technical field of daily chemicals, and particularly discloses a scalp oil control composition for preventing alopecia seborrhoeica as well as a preparation method and application of the scalp oil control composition. The scalp oil control composition is prepared from the following main components: nicotinamide, capryloyl glycine, piralinone ethanolamine salt, betaine salicylic acid, lemon peel extract, white willow bark extract and rice fermentation filtrate. All the components have a synergistic effect, and the effects of controlling oil, protecting hair and preventing alopecia seborrhoeica are achieved. The preparation method disclosed by the invention is simple and convenient, and the obtained product is high in bioavailability of active ingredients, good in hair care effect and low in irritation, has the effects of caring hair, strengthening hair roots, regulating scalp micro-ecology and preventing seborrheic alopecia, and can be widely applied to related washing and care products for preventing seborrheic alopecia.

The invention relates to the technical field of nylon, and discloses flame-retardant fireproof high-temperature-resistant nylon and a preparation method thereof. According to the invention, nylon 6, a montmorillonite-copper complex flame retardant and the like are extruded and granulated in a twin-screw extruder to obtain the flame-retardant fireproof high-temperature-resistant nylon. After surface organic modification, montmorillonite has good compatibility with nylon 6, the tensile strength of the material is increased, the flame retardant contains phosphate groups and more nitrogen-containing ureido and phenanthroline structures to form a nitrogen-phosphorus flame retardant, and meanwhile, the flame retardant contains a salicylic acid-phenanthroline-copper complex structure to catalyze charring of a nylon matrix at high temperature, so that the flame retardant has excellent flame retardancy. The flame retardance of the nylon material is remarkably improved, the UL94 grade reaches the V0 grade, the limit oxygen index is increased, the residual carbon amount at high temperature is increased, and the high-temperature resistance of the material is improved.

The present application relates to the technical field of daily chemical products, and specifically discloses a shampoo for improving scalp sensitivity, soothing and repairing, and a preparation method thereof. A shampoo for improving scalp sensitivity, soothing and repairing, the raw materials of the shampoo include sodium laureth sulfate, guar hydroxypropyltrimethylammonium chloride, polyquaternium-47, cocamide MEA, sodium citrate, citric acid, sodium chloride, glycyrrhizic acid and its derivatives, salicylic acid and its derivatives, cocamidopropyl betaine, styrene acrylate copolymer, polydimethylsiloxane, bis-aminopropyl polydimethylsiloxane, hydroxypropyltrimethylammonium chloride hydrolyzed collagen, gliadin, hydrolyzed keratin, and plant-derived ingredients that can help improve scalp sensitivity, and the balance is deionized water.

The invention belongs to the technical field of daily chemistry, and provides a triple compound acid composition with skin brightening and acne removing effects, a product and application of the triple compound acid composition and the product, the triple compound acid composition comprises mandelic acid, salicylic acid and succinic acid, and the mass ratio of the mandelic acid to the salicylic acid to the succinic acid is (3-6): (1-2): (1-2). The invention further provides a product containing the composition and application of the product. The composition provided by the invention is synergistically used, has a synergistic effect in the aspect of exfoliating, especially in the aspect of improving the activity of kallikrein 5 (KLK5), not only has the effects of biological skin glowing and exfoliating, but also can efficiently down-regulate the expression of I-type 5alpha-reductase genes, so that the synthesis of sebum is inhibited, and an oil control effect is achieved; in addition, the composition provided by the invention has the effects of brightening, inhibiting bacteria and resisting inflammation, has low sensitization, can be used for removing acnes, takes effect quickly and does not relapse.

The invention provides an acne-removing suspension oil essence and a preparation method thereof. The acne-removing suspension oil essence comprises a water phase and oil phase particles dispersed in the water phase, the oil phase comprises grease, salicylic acid and an oil-soluble acne-removing component; the water phase comprises a thickening agent, a humectant, a water-soluble acne-removing component and water. Compared with a single water type acne-removing essence, the acne-removing suspension oil essence provided by the invention has the advantages that through the matching of the salicylic acid, the oil-soluble acne-removing component and the water-soluble acne-removing component, the acne-removing effect is more efficient, the oil phase of the product can suspend in the water phase, and the coexistence of the oil phase and the water phase is realized under the condition of not adding an emulsifier, so that the oil-water suspension oil essence has a good application prospect. Irritation caused by an emulsifier is reduced, and the acne cream is friendly to acne skin, especially sensitive acne skin.

The invention discloses an itching-relieving and hair-loss-preventing micro-capsule composition containing a golden camellia extract and a preparation method of the itching-relieving and hair-loss-preventing micro-capsule composition, and relates to the technical field of daily chemical products. The microcapsule mainly comprises a surfactant, palmitoyl tripeptide, ossein amino acid, betaine salicylate, a nano zinc oxide chelate, a plant extract, vegetable oil and a microcapsule component formed by a microcapsule wall material prepared from gelatin and sodium alginate. The plant extract, the plant oil-containing microcapsules, palmitoyl tripeptide, ossein amino acid, betaine salicylic acid, nano-zinc oxide chelate and the like have synergistic interaction, and the plant extract has antioxidant, antibacterial and anti-inflammatory effects and is matched with other components, so that lasting antibacterial effect is enhanced, dandruff can be effectively cleaned and removed, scalp can be repaired, microcirculation of the scalp can be effectively improved, and the scalp care effect can be improved. The scalp itching is reduced, and the alopecia problem is improved.

The invention belongs to the technical field of food and feed analysis and detection, and particularly provides a nano antibody for detecting bacitracin methylene salicylate, and the nano antibody comprises a nano antibody BMD-BA19 and a nano antibody BMD-CA45; the amino acid sequence of a VHH chain of the nano antibody BMD-BA19 is as shown in SEQ ID NO: 1, and the amino acid sequence of a VHH chain of the nano antibody BMD-CA45 is as shown in SEQ ID NO: 2. The bacitracin methylene salicylate serves as a research object, after the bacitracin methylene salicylate is coupled with protein, an alpaca is immunized, two nano antibodies resisting bacitracin methylene salicylate are obtained through screening with a phage display technology, and a material is provided for establishing a bacitracin methylene salicylate detection method.

The invention discloses a salicylic acid-cyclodextrin-amino acid ternary inclusion compound and a preparation method thereof. The salicylic acid-cyclodextrin-amino acid ternary inclusion compound is formed by salicylic acid, amino acid and a cyclodextrin derivative through non-covalent bond interaction, the cyclodextrin derivative is a cross-linked beta-cyclodextrin polymer, salicylic acid molecules are included in a cavity of the cross-linked beta-cyclodextrin polymer, and the cross-linked beta-cyclodextrin polymer is a cross-linked beta-cyclodextrin polymer. And meanwhile, guanidyl or carboxyl of an amino acid side chain interacts with hydroxyl outside the cross-linked beta-cyclodextrin polymer or an exposed part of an included salicylic acid molecule. According to the invention, a cross-linked beta-cyclodextrin polymer is used, arginine is introduced as a synergist, a salicylic acid-cross-linked beta-cyclodextrin polymer-arginine ternary clathrate compound is constructed, and through charge neutralization and hydrogen bond network synergistic effect, clathration efficiency is significantly improved, and water solubility of salicylic acid is improved.

A sunscreen composition includes a solvent and a sunscreen filter dissolved in the solvent. The solvent may include an ester. The ester may include an ester of salicylic acid, an ester of adipic acid, an ester of maleic acid, an ester of neopentanoic acid, an ester of C8-C18 fatty acids, or combinations thereof. The sunscreen filter may include a crystalline ultraviolet A (UVA) filter and / or a crystalline UVB filter. The sunscreen filter may include butyl methoxydibenzoylmethane, diethylhexyl butamido triazone, diethylamino hydroxybenzoyl hexyl benzoate, bis-ethylhexyloxyphenol methoxyphenyl triazine, ethylhexyl triazone, or combinations thereof. The sunscreen composition may exclude ethylhexyl benzoate, phenethyl benzoate, C12-C15 alkyl benzoate, or combinations thereof. The sunscreen composition may exclude benzophenone-3, octyl methoxycinnamate, 2-ethylhexyl-2-cyano-3,3-diphenylacrylate, 3,3,5-trimethylcyclohexyl salicylate, 2-ethylhexyl salicylate, or combinations thereof.

The invention discloses a super-lubricity microcapsule, a composite material thereof and preparation methods of the super-lubricity microcapsule and the composite material. The super-smooth microcapsule comprises a core material and a wall material coating the core material, the core material comprises a component A and a component B; the component A comprises oxymolybdenum dialkyl dithiophosphate, molybdenum dialkyl dithiocarbamate, a molybdenum amine complex, molybdenum naphthenate, molybdenum alkyl salicylate, nitrogen-containing oxymolybdenum dialkyl dithiophosphate, molybdenum bisphenol, molybdenum thiophosphate, molybdenum hydroximic acid, molybdenum fatty acid, organic molybdate, molybdenum schiff base, tripolymolybdenum salt, ethyl thiotungstate and propyl thiotungstate; one or more of butyl thiotungstate and butyl thiotungstate; and the component B is ionic liquid or lubricating oil. The super-lubricity microcapsule composite material is prepared from a super-lubricity microcapsule and a base material with a core-shell structure, wherein the base material comprises a solid lubricant core material and a polymer shell material coating the core material. The preparation method disclosed by the invention is simple, feasible and high in operability, can realize macroscopic super-lubricity in an atmospheric environment, and has a very high application value.

The invention relates to a sunscreen composition as well as a preparation method and application thereof. The sunscreen composition comprises a coco-glucoside-coconut oil alcohol compound, polyethylene glycol stearate, dextrin palmitate, butyl octanol salicylate and titanium dioxide. The dextrin palmitate, the butyl octanol salicylate and the coco-glucoside-coconut oil alcohol compound in the composition are matched with one another, so that the composition has excellent wetting, dispersing and suspending effects on the titanium dioxide powder, the sunscreen performance of the composition is greatly improved, and the composition has a synergistic effect in the aspects of improving the stability of the composition and improving the sunscreen effect. Meanwhile, the coco-glucoside-coconut oil alcohol compound can be compatible with polyethylene glycol stearate, so that a sunscreen product further prepared from the composition does not need to be removed by a cleaning product, and the sunscreen product can be washed with clear water.

The invention provides a method for grafting Tibetan white bark pine on Chinese pine, belongs to the technical field of needle-leaved tree species grafting, and solves the technical problem that the survival rate is lower than 40% due to slow joint healing, high pathogen infection rate and environmental fluctuation. According to the technical scheme, the method is characterized by comprising the following steps: cutting 1.8-2.2 cm of a vertical notch reaching xylem at the part, which is 2.5-3.5 cm exposed out of the surface of a culture medium, of a rootstock rhizome part; cutting the scion base into a symmetrical double-sided wedge shape, and immersing the scion base into a sodium citrate buffer solution containing polyvinylpyrrolidone, methyl salicylate and calcium chloride; the two sides of the vertical notch are coated with adsorption glue; inserting a scion alignment cambium and fixing by using a grafting belt; an ethanol water solution containing salicylic acid, trehalose and polysorbate 80 is applied to the interface every 2-3 days; maintaining the day temperature to be 23-25 DEG C, the night temperature to be 16-18 DEG C and the humidity to be 90-95%; when the young sprouts grow to 2-3 cm, the rootstocks are girdled, and trunks are cut off after 7-10 days. The method is used for large-scale breeding of the Tibetan pinus bungeana grafted seedlings.

The invention discloses a three-phase makeup fixing spray and a preparation method thereof. The three-phase makeup fixing spray comprises an emulsion layer located on the upper layer, a water layer located on the middle layer and a powder layer located on the bottom layer. The emulsion layer comprises acrylic acid (ester) / allyl methacrylate copolymer AMP salt, polyurethane-1, an emulsifier and an oil-soluble sun-screening agent, functional auxiliary materials and ethanol are dissolved in the water layer, the powder layer comprises oil absorption powder, and the mass of water in the three-phase make-up spray accounts for 60%-64% of that of the three-phase make-up spray; the emulsifying agent comprises bis (lauramide glutamine) lysine sodium and a component A, and the component A is selected from one or more of polyglycerol-10 myristate, inulin lauryl carbamate and inulin lauryl carbamate; the sun-screening agent is prepared from ethylhexyl salicylate and phenyl benzimidazole sulfonic acid. The three-phase makeup fixing spray provided by the invention has the three-dimensional integrated makeup fixing effect of oil control, makeup fixing and sun protection.

The invention discloses an anti-fatigue detection method for a structural member made of a high polymer material, and belongs to the field of material detection.The anti-fatigue detection method comprises the following steps that S1, a thermoplastic high polymer raw material for preparing the structural member is heated to be in a molten state, and a first intermediate is formed; s2, preparing a shell layer by taking polylactic acid, Y-type polyethylene glycol succinic acid, acetylsalicylic acid and a DCP catalyst as raw materials, and preparing fluorescent color developing agent microspheres by taking a high-temperature-resistant liquid fluorescent color developing agent as a core material; s3, adding fluorescent color developing agent microspheres into the first intermediate, uniformly stirring, heating, continuously stirring, uniformly mixing the color developing agent with the first intermediate after the color developing agent is released to obtain a second intermediate, and performing injection molding, molding, curing and cooling on the second intermediate to obtain a structural part sample; and S4, carrying out fatigue detection on the structural member sample by adopting a fatigue testing machine. The method solves the problems that closed cracks or internal defects are difficult to directly recognize from the inside and the initiation and expansion process of the internal cracks of the component cannot be captured at present.

The present invention relates to the technical field of target material manufacturing, and in particular to a method for preparing an IZrO target material. The method for preparing an IZrO target material of the present invention comprises powder preparation, powder molding, green embryo sintering and heat treatment; the powder preparation is to first hydrolyze indium oxide powder and zirconium oxide powder, and then prepare IZrO nanopowder by a sol-gel method. The IZrO target material obtained by the method for preparing an IZrO target material of the present invention uses a composite complexing agent instead of traditional salicylic acid in the sol-gel process, so that the particle distribution is more uniform, and the target material finally obtained has excellent density and low resistivity, and the surface of the target material is relatively flat, and the uniformity is greatly improved.

The invention discloses equipment and a method for preparing an electronic-grade salicylic acid solution. The equipment comprises an acidification tank, an alkali tank, a micron filter, an anion filter, a cation adsorption column and a nano filter. The acidification tank is used for loading a salicylic acid solution and an acidic substance, and the alkali tank is used for loading an eluent. The method comprises the following steps: firstly, removing large impurities from a salicylic acid solution and acidic substances through a micron filter, then conveying the salicylic acid solution and acidic substances to an anion filter, adsorbing salicylic acid through anion adsorption resin to obtain phenol, removing the phenol, then introducing an eluent, washing off the salicylic acid solution, conveying the salicylic acid solution to a cation adsorption column to remove metal ions, and finally conveying the salicylic acid solution and the acidic substances to a nano filter to obtain the purified salicylic acid. And reducing the granularity of the salicylic acid solution to obtain the electronic-grade salicylic acid solution. The electronic-grade salicylic acid solution has the advantage of strong selective complexing ability to metals, and has a good wet etching effect in the integrated circuit manufacturing process.

The invention provides a salicylic acid composition as well as a preparation method and application thereof. The salicylic acid composition comprises the following components in percentage by weight: 0.5-2% of salicylic acid; 1-10% of an oil phase component; 2-8% of a polyol co-emulsifier; 2.4%-5% of a nonionic surfactant; and the balance of purified water. Compared with the prior art, the salicylic acid composition has the beneficial effects that the salicylic acid is dissolved in the specific grease preferably, and the emulsifier and the polyol co-emulsifier which are suitable for preparing the stable emulsion are screened out, so that compared with the existing water-soluble salicylic acid system, the salicylic acid composition disclosed by the invention is dissolved in the specific grease, and the stability of the stable emulsion is improved. The property that salicylic acid does not ionize H < + > in grease is utilized, the irritation problem caused by salicylic acid is reduced, and meanwhile it is guaranteed that salicylic acid still exists in a molecular form (not separated out) in a system under the condition that the pH value is low (2.0-4.5).

The invention relates to an aroma durability improving agent and a preparation method thereof, an essence and a shampoo product, and the aroma durability improving agent comprises the following components in percentage by weight: 40%-60% of a component A, 1%-0.5% of a component B, 10%-20% of a component C, 10%-20% of a component D, 5%-10% of isooctyl salicylate, 10%-20% of a perfume component and the balance of a solvent, wherein the component A is prepared from 2-[[3-[2-methyl-4-(2-methylpropyl) phenyl] propylidene] amino] methyl benzoate; the long-lasting fragrance can be effectively improved, the preparation process is simple, the production cost is low, the compatibility is good, and the long-lasting fragrance is suitable for various essences or hair washing products.

The invention belongs to the field of conductive ink, and discloses conductive ink based on PEDOT: PSS and carboxylated carbon nanotubes, and the conductive ink is prepared from PEDOT: PSS, carboxylated carbon nanotubes, [EMIM] [TCB], polyacrylate, salicylic acid and DMSO. According to the conductive ink with PEDOT: PSS as the main body, [EMIM] [TCB], carboxylated carbon nanotubes, salicylic acid and DMSO are introduced to improve the performance of the ink, the obtained conductive ink is high in conductivity, high in oxidation resistance and good in printing performance, and a flexible transparent electrode prepared from the conductive ink is high in conductivity and light transmittance and can be well suitable for the fields of human body wearable, robot electronic skin and the like.

The invention provides pretreatment liquid for formed foil detection and a formed foil detection method. The pretreatment liquid comprises the following components in parts by mass: 75-85 parts of ethylene glycol; 5-10 parts of ammonium formate; 3-8 parts of salicylic acid; 0.8 to 1.2 parts of phosphoric acid; and 5-8 parts of water. The formed foil detection method comprises the following steps: S1, cutting a to-be-detected formed foil into a detection sample; s2, immersing the detection sample in the pretreatment liquid, and soaking for 100 + / -5 minutes at the temperature of 85 + / -2 DEG C; and S3, taking out the detection sample in the pretreatment liquid, cleaning the detection sample, and putting the detection sample into the test liquid for detection. The pretreatment liquid can be used for carrying out degradation treatment on the to-be-detected formed foil, so that the to-be-detected formed foil is closer to an actual use state, and the detection efficiency and accuracy of the formed foil are improved.

The invention discloses a BTCP-Ac-Eu-MOF double-fluorescence-emission fluorescent probe as well as a preparation method and application thereof, and belongs to the technical field of detection probes. The preparation method comprises the following steps: synthesizing BTCP from salicylic acid and 2-aminothiophenol to obtain a product 1, and reacting the product 1 with acetic anhydride and triethylamine to obtain BTCP-Ac; the preparation method comprises the following steps: mixing europium nitrate hexahydrate and trimesic acid, and performing high-temperature reaction to obtain Eu-MOF powder; and the BTCP-Ac and the Eu-MOF are mixed, such that the BTCP-Ac / Eu-MOF dual-fluorescence emission fluorescent probe is obtained. The europium metal organic framework has a clear structure, ultrahigh porosity and a designable function, the europium metal organic framework is combined with AIE fluorescent molecules to enhance the performance of the europium metal organic framework, and the fluorescence of the europium metal organic framework can be used as a colorimetric reference, so that the function of sensitively, quickly and conveniently indicating the freshness of meat products is realized.

The invention relates to the field of cosmetics, in particular to a multi-channel efficient oil-control acne-removal composition and application thereof in cosmetics. The oil-controlling and acne-removing composition is prepared from the following components in parts by weight: 1 to 5 parts of capryloyl salicylic acid, 0.5 to 2 parts of magnolol and 0.5 to 10 parts of white willow bark extract. Capryloyl salicylic acid, magnolol and white willow bark extract are compounded to achieve a synergistic effect, so that the oil-control acne-removing composition has remarkable oil-control acne-removing effects and can be applied to cosmetics of different dosage forms. In addition, the invention also discovers that after the white willow bark extract is subjected to enzyme modification, the oil control and acne removal effects of the white willow bark extract can be further improved.

The application belongs to the technical field of deep eutectic solvents, and particularly relates to a ternary deep eutectic solvent and preparation and application thereof. The ternary deep eutectic solvent is composed of choline chloride, 5-sulfosalicylic acid and gamma valerolactone according to a molar ratio of 1:4:(3-25). The strong hydrogen bond network structure between the green solvent system first destroys the ester bond between lignin and hemicellulose, then cuts off the beta-O-4 bond between lignin molecules, so as to separate lignin. Meanwhile, the deep eutectic solvent can improve the stability of carbon cations due to the conjugation effect between the lone pair electrons on the heteroatom oxygen and the central carbon in the molecular structure of gamma valerolactone, so as to inhibit the condensation reaction of lignin.

The invention relates to a polyacid composite oil-controlling and acne-removing gel and a preparation method thereof, and belongs to the technical field of skin care products. The polyacid composite oil-controlling and acne-removing gel is prepared from the following components in percentage by mass: 2% of salicylic acid, 3%-4% of glycolic acid, 0.5%-1.5% of mandelic acid, 0.5%-1.0% of lactobionic acid, 0.5%-1.0% of gluconolactone, 1.2%-1.6% of microcrystalline cellulose (and) sphingomonas fermentation product extract (and) cellulose gum, 2%-5% of butanediol, 0.3%-0.5% of asiaticoside-II, 0.5%-1.5% of centella asiatica, 0.5%-1.5% of vitamin E and the balance of water. And the balance of deionized water. By adding micro-crystalline cellulose (and) sphingomonas fermentation extract (and) cellulose gum, system stability under compounding of five organic acids is realized, semitransparent gelatinous texture is obtained, the composition is suitable for point coating use mode, impression is not affected, oil-controlling and acne-removing effects are improved under the condition of low organic acid content, and the composition belongs to skin-care polyacid products and has a broad market prospect. The mild oil control and acne removal effects are realized, and the cream is suitable for oil-sensitive skin crowds.

The disclosure relates to compositions and methods for altering the color of hair, the compositions comprising at least one color-removing agent chosen from thiosalicylic acids and / or salts thereof, and at least one solvent.

The invention discloses a method for inducing a regenerated plant based on a small spike stalk of bamboo-stalk, and relates to the technical field of regenerated plants.The method comprises the steps that the small spike of flowering bamboo-stalk is taken, disinfected, washed with sterile water and placed on sterile filter paper to absorb moisture, and dissected to obtain the small spike stalk as an explant; the small spike stalks are inoculated into a callus induction culture medium and cultured for 1-2 weeks under the dark condition, callus is formed through induction, and the induction culture medium comprises an MS culture medium, 2, 4-D, KT, ferulic acid, aspartic acid, Yb, an amino acid mixture and cane sugar; the callus is inoculated into a differential culture medium and cultured under the illumination condition, adventitious buds are differentiated, and the rooting culture medium comprises a 1 / 2 MS culture medium, IBA, NAA, ferric citrate, beta-salicylic acid and cane sugar. According to the method disclosed by the invention, a callus induction system starting from reproductive tissues of the bamboo-stalk bamboo is established, regenerated plants are successfully obtained, and a technical means is provided for rapid propagation of bamboo-stalk bamboo seedlings.