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62results about How to "Use mildly" patented technology

Tea bag for moistening intestine and expelling toxin

The invention relates to a tea drink with the functions of moistening the intestine and expelling toxin, in particular to a tea bag prepared from five traditional Chinese medicines of cassia seeds, bunge cherry seeds, apricots, peach seeds and fructus cannabis by crushing and mixing according to a certain ratio. On the one hand, the tea overcomes the defect of single function of the traditional tea bag; on the other hand, what's more important, the tea is mild in relaxing bowel and convenient in use, not only can solve the problem of constipation, but also can not cause diarrhea and also plays roles of of expelling toxin and beautifying the skin.
Owner:崔霖

Preparation method and application of cotton stalk bast fiber loaded nano gold catalyst

The invention discloses a preparation method and application of cotton stalk bast fiber loaded nano gold catalyst. The preparation method includes the steps of firstly, purifying, washing and degumming the cotton stalk bast fibers; secondly, adding mercaptoacetic acid, tetrahydrofuran, acetic anhydride, the degummed cotton stalk bast fibers, and concentrated sulfuric acid according to mass percent, and allowing for reaction to obtain sulfydryl cotton stalk bast fibers; thirdly, adding the sulfydryl cotton stalk bast fibers into chloroauric acid solution, reacting under acid conditions, separating to obtain solid, reducing the solid with NaBH4, separating, washing with distilled water, and drying to obtain the cotton stalk bast fiber loaded nano gold catalyst. The preparation method is simple, gold particles spread evenly and are high in load rate, and the cotton stalk bast fibers are light, low in price, fine in stability, degradable, environment-friendly and the like. The catalyst is applicable to a CO removing device of an antigas mask, indoor air purification and the like at room temperature. The catalyst is mild in reaction condition and environment-friendly.
Owner:UNIV OF JINAN

Method for preparing loofah sponge supported nanometer titania photocatalyst

The invention discloses a method for preparing a loofah sponge supported nanometer titania photocatalyst.The method is characterized by comprising the steps that pretreated loofah sponges are oxidized in deionized water with potassium dichromate and concentrated sulfuric acid, and oxidized loofah sponges are obtained; then, 80% to 86% of deionized water, 4% to 10% of nanometer titania powder and 8% to 12% of the oxidized loofah sponges by mass are added to a reactor, the reactor is placed in ultrasonic waves of 20 kHz to be treated for 60 min to 100 min after the mixture is stirred to be uniform, then the mixture is transferred into a high-pressure reactor, a cap is screwed, sealing is carried out, the temperature is raised to 160 DEG C, reacting is carried out for 12 h to 15 h, natural cooling is carried out till room temperature is reached, filtering and deionized water washing are carried out, drying is carried out at the temperature of 160 DEG C, and the loofah sponge supported nanometer titania photocatalyst is obtained.The advantages that the preparation method is simple, good stability is achieved, degradation can be achieved, environment friendliness is achieved, the catalyst is easy to recycle, the reaction conditions of the photocatalyst are mild, catalytic activity is high, and the use amount is small are achieved.
Owner:UNIV OF JINAN

Preparation method of supported praseodymium doped BiOCl photocatalyst

The invention discloses a preparation method of a supported praseodymium doped BiOCl photocatalyst. The preparation method is characterized by comprising the following steps: dissolving reed powder byadopting N-methyl morpholine oxide; adding nano ferroferric oxide to prepare magnetic reed powder; adding the following component into a reactor according to the mass percent: 70 to 75 percent of a magnetic reed powder suspension solution; stirring and dropwise adding 25 to 30 percent of a praseodymium and Bi(NO3)3 solution; raising the temperature to 50+ / -2 DEG C and keeping the temperature; stirring and reacting for 30min; dropwise adding ammonia water to regulate the pH (Potential of Hydrogen) of the system to be 9.5; transferring a mixture into a reaction kettle; sealing, raising the temperature to 130+ / -2 DEG C and keeping the temperature; reacting for 4 to 6h and cooling to room temperature; carrying out solid-liquid separation and washing with de-ionized water; drying to obtain thesupported praseodymium doped BiOCl photocatalyst. The preparation method disclosed by the invention has the characteristics of simplicity, good stability, degradability, environment friendliness andthe like; the catalyst is easy to recycle and has the characteristics of moderate reaction conditions, high catalytic activity, less dosage and the like.
Owner:UNIV OF JINAN

Preparation method of cotton bast loaded nano-titanium dioxide and glycine betaine photocatalyst

The invention discloses a preparation method of a cotton bast loaded nano-titanium dioxide and glycine betaine photocatalyst. The preparation method is characterized by comprising the steps that cotton bast is subjected to oxidation, amination and diethyl pentetic acidizing treatment to obtain diethyl pentetic acidized cotton bast; in a reactor, by mass, 70-78% of deionized water, 8-12% of titanium tetrachloride, 3-8% of glycine betaine and 8-12% of the diethyl pentetic acidized cotton bast are added into an ice-water bath, the sum of the mass percentages is 100%, soaking is performed for 12-14 h, washing through the deionized water is performed till a filtrate is neutral, drying is performed at 130 DEG C for 6-8 h, and the cotton bast loaded nano-titanium dioxide and glycine betaine photocatalyst is obtained. The photocatalyst has the advantages of being easy to prepare, good in stability, degradable, environmentally friendly and the like; the catalyst is easy to recycle, mild in reaction condition, high in catalytic activity, small in usage amount and the like.
Owner:UNIV OF JINAN

Skin-whitening moisturizing mask and preparation method thereof

The invention relates to a skin-whitening moisturizing mask and a preparation method thereof. The skin-whitening moisturizing mask is composed of more than twenty raw materials including chamomilla recutita flower extract, lonicera japonica flower extract, herba violae extract, paeonia albiflora root extract, malva sylvestris flower extract, dandelion leaf extract, aloe barbadensis leaf extract, centella asiatica root extract and the like; through an appropriate weight ratio, all the raw materials work synergistically, so that the skin-whitening moisturizing mask has the effects of moisturizing, whitening and brightening the skin, fading and banishing spots and fading scars; when in continuous use for one month or above, the skin-whitening moisturizing mask can effectively relieve skin dryness and fade the spots, and after long-term usage, the skin can be moisturized, bright and naturally whitened. The skin-whitening moisturizing mask is stable and controllable in quality, mild duringusage, safe and free of irritants, the preparation technology of the mask is simple, and therefore the mask is suitable for large-scale production.
Owner:金怡文

Preparation method of composition containing hyaluronic acid, obtained product and application

The invention discloses a preparation method of a composition containing hyaluronic acid, an obtained product and application. At least one cationic polymer and at least one molecular hyaluronic acid or salt of hyaluronic acid are mixed and subjected to complexing reaction, reaction is stopped when the system dynamic viscosity is 100-400000 mPa.s, and a mixture obtained through reaction is the composition containing hyaluronic acid. Operation is easy, reaction conditions are mild, the complexing product can be directly used as the composition without alcohol precipitation, separation, purification, washing and other treatment operation, and the product is easier and more convenient and rapid to use. The product has high affinity on viable tissue, can be more easily adsorbed to skin (including scalp) or hair, has functions of moisturizing, nursing and conditioning, can make skin and hair moist and smooth, can be used in daily use chemical articles with skin moisturizing and nursing or hair washing and caring effects and has quite good application prospects.
Owner:BLOOMAGE BIOTECHNOLOGY CORP LTD

Preparation method and application of dextrangel-supported nanogold catalyst

The invention discloses a preparation method and application of a dextrangel-supported nanogold catalyst. The preparation method comprises the following steps: 1) adding thioglycolic acid, tetrahydrofuran, dextrangel and concentrated sulfuric acid according to percentage by mass, carrying out thermostatic reaction at 65+ / -5 DEG C, carrying out vacuum filtration, washing, and drying to obtain sulfhydryl dextrangel; and 2) adding the sulfhydryl dextrangel into a chloroauric acid solution, regulating the acidity of the solution with hydrochloric acid, reacting at 70+ / -5 DEG C, separating to obtain a solid, reducing with NaBH4, separating, washing, and drying to obtain the dextrangel-supported nanogold catalyst. The invention has the characteristics of simple preparation method, uniform high gold particle dispersion and high supporting rate; the dextrangel has the characteristics of light weight, low price, high stability and the like, and is degradable and environment-friendly; and when being used for ethanol selective oxidation reaction, the catalyst disclosed by the invention has the characteristics of mild reaction conditions, high catalytic activity, high selectivity, low consumption and the like.
Owner:UNIV OF JINAN

Amino acid soap and preparation method thereof

The invention relates to the technical field of daily chemical toilet soaps, in particular to amino acid soap and a preparation method thereof. The amino acid soap comprises the following raw materials in parts by weight: 10-20 parts of amino acid type surfactant, 1-5 parts of tea saponin powder, 0.5-5 parts of alkyl glucoside, 6-10 parts of composite enzyme, 2-5 parts of a plant extract, 3-6 parts of glycerol, 0.5-1.5 parts of essence and 80-90 parts of soap granules. According to the amino acid soap disclosed by the invention, by adopting the amino acid type surfactant, the amino acid soap is weak in acidity, the pH value is between 5 and 6, the amino acid soap has better properties of emulsification, washing, foaming, permeation, solubilization and the like, is low in stimulation and low in toxicity, has excellent biodegradability and skin affinity, is cooperatively used with the tea saponin powder and the alkyl glucoside for use, fine, smooth and soft foam is generated, the cleanliness of the amino acid soap is improved, and in combination with the composite enzyme and the plant extract, the mild cleanliness and moisturizing and nourishing properties of the amino acid soap areimproved.
Owner:YIHAI DONGGUAN OIL & CHEM IND

Whitening and moisturizing facial mask cream and preparation method thereof

The invention belongs to the technical field of cosmetics and particularly relates to whitening and moisturizing facial mask cream and a preparation method thereof. The whitening and moisturizing facial mask cream comprises, by weight, 10-15 parts of lotus root, 5-8 parts of tremella, 3-7 parts of hydrolyzed collagen, 5-10 parts of pearl powder, 4-8 parts of mung bean, 2-4 parts of bitter gourd, 4-7 parts of lemon, 4-8 parts of Vitamin E, 0.1-0.3 part of caprylyl glycol, 0.1-0.3 part of soya bean lecithin, 0.02-0.05 part of preservative, 0.03-0.06 part of antioxidant and 0.12-0.15 part of sodium carboxymethylcellulose. The whitening and moisturizing facial mask cream has no side or adverse effect after long-term use and is excellent in whitening and moisturizing effects.
Owner:安徽檀鑫科技有限公司

Preparation method and application of wool-supported nano Pd-Co catalyst

The invention discloses a preparation method and an application of a wool-supported nano Pd-Co catalyst. The preparation method comprises the following steps: 1) carrying out impurities removal, washing and degreasing treatment on wool; 2) adding mercaptoacetic acid, tetrahydrofuran, the degreased wool and concentrated sulfuric acid, adding a plug, at the temperature of 60 DEG C, refluxing for 4-6 h with stirring, washing with water, carrying out suction filtration until the filtrate is neutral, drying, and thus obtaining mercapto wool; 3) adding the mercapto wool into a mixed solution of palladium ions and cobalt ions, adjusting the pH value of the solution to 6.0-7.5, carrying out stirring reaction for 20-40 min at the room temperature, after filtering separation, putting the obtained solid into a 40% hydrazine hydrate solution with a solid-liquid ratio of 1 g:15-30 mL, carrying out ultrasonic reaction for 35 min, filtering, washing with distilled water, drying at the temperature of 90 DEG C, and thus obtaining the wool-supported nano Pd-Co catalyst. The wool-supported nano Pd-Co catalyst has the characteristics of simple preparation method, good stability, degradability, waste reutilization, mild reaction conditions, high catalytic activity, little using amount and the like.
Owner:UNIV OF JINAN

Anti-dandruff and itching-relieving composition and application thereof

The invention discloses an anti-dandruff and itching-relieving composition and application thereof, and aims to provide a composition capable of effectively inhibiting malassezia proliferation and controlling scalp grease secretion. The composition can achieve the effects of reducing dandruff generation and relieving itching when being applied to washing and caring daily necessities. The composition comprises the following components in parts by weight: 5-15 parts of a rheum palmatum and turmeric root mixed extract, 3-10 parts of a peppermint extract, 2-12 parts of a dandelion extract, 25-40 parts of polyhydric alcohols and 33-48 parts of water. The invention belongs to the technical field of daily chemicals.
Owner:广州智尚生物科技有限公司 +1

Moisturizing and nourishing type hand-washing-free disinfectant and preparation method thereof

The invention relates to a moisturizing and nourishing type hand-washing-free disinfectant. The moisturizing and nourishing type hand-washing-free disinfectant comprises the following components in percentage by weight: 30-80% of an alcohol bactericide, 0-0.5% of a non-alcohol bactericide, 0-2% of a solubilizer, 0.1-1.2% of a thickener, 0-0.5% of a pH regulator, 0.01-5% of an auxiliary synergisticskin conditioner, 0-0.3% of essence, 0.2-6% of a moisturizing and nourishing skin care composition, and the balance of deionized water; the moisturizing and nourishing skin care composition is a combination of panthenol, an aloe barbadensis leaf extract, hydrolyzed jojoba esters and a PEG / PPG-17 / 6 copolymer. The invention further provides a preparation method of the moisturizing and nourishing type hand-washing-free disinfectant. The moisturizing and moistening type hand-washing-free disinfectant is safe and mild to use, has the effects of moisturizing, moistening, protecting and relieving hand skin while achieving disinfection and sterilization, and is particularly suitable for medical staff who often need to perform disinfection treatment on hands and common staff in daily hygiene disinfection.
Owner:广东添乐化妆品有限公司

Ginger and folium artemisiae argyi scraping agent and preparation method thereof

InactiveCN105853968AUse mildlyModerately creamyAntipyreticAnalgesicsMedicineGlycerol
The invention discloses a ginger and folium artemisiae argyi scraping agent and a preparation method thereof. The ginger and folium artemisiae argyi scraping agent contains dried ginger extract and folium artemisiae argyi extract and also contains a proper amount of azone, polyethylene glycol, glycerol and water. The preparation method comprises the following preparation steps: (1) taking dried ginger and folium artemisiae argyi, respectively crushing the dried ginger and folium artemisiae argyi into coarse powder, collecting percolate by using a percolation method respectively, adding active carbon into the folium artemisiae argyi percolate for decolorizing, and respectively preparing ethanol ginger tincture and ethanol folium artemisiae argyi tincture; (2) mixing the ethanol ginger tincture and the ethanol folium artemisiae argyi tincture according to the proportion of (1-3):1 to prepare ginger and folium artemisiae argyi tincture; and (3) adding distilled water as well as a right amount of azone, polyethylene glycol and glycerol and mixing to prepare the ginger and folium artemisiae argyi scraping agent. The scraping agent disclosed by the invention is used for the technical field of scraping, has the effects of warming meridians and promoting circulation of qi, achieves an effective curative effect together with scraping, and is mild in property and moderate in smooth degree and can not injure the skin during use.
Owner:刘华

Preparation method of chitosan preservative film

The invention relates to the field of preservative film preparation. Aiming at a problem of poor water resistance of chitosan films, the invention provides a preparation method of a chitosan preservative film. The method comprises the following steps: 1, dissolving chitosan in an acetic acid solution, and adding arabinose for a reaction to obtain a product A; 2, dispersing a mixture comprising 40-60 parts of the product A, 5-15 parts of palm oil and 1-3 parts of an emulsifier by shearing, carrying out defoaming under reduced pressure, and carrying out stirring for 30-60 min; and 3, carrying out natural cooling, and coating a board with the mixture, and carrying out drying to form a film. According to the preparation method, the chitosan reacts with the arabinose first, wherein hydrophilicgroups of the chitosan is substituted, hydrophilicity is reduced, and the reaction produces a reducing product with an antioxidant effect; then the chitosan is compounded with palm oil, the palm oil and the chitosan form hydrogen bonds to weaken action between hydrophilic groups and water in the film, and thus water permeability of the film is reduced; and meanwhile, oil droplets are embedded intointerstitial space of chitosan molecules to block a part of pores, and then water absorption of the film is reduced, so that the improvement effect of the chitosan preservative film is higher than improvement effect of single use of arabinose or palm oil in hydrophobic performance of the film.
Owner:ZHEJIANG OCEAN UNIV

Formula for children's cream

The invention discloses a formula for a children's cream. The formula for the children's cream comprises a solvent, an emollient, a moisturizer, a skin conditioner, an emulsifier, a co-emulsifier, a skin conditioner, an antioxidant, a preservative, a fragrance, and a chelating agent. The formula of the invention not only selects commonly used raw materials for cosmetics which are known to be safe,mild and high in purity, and uses as few raw material varieties and addition amounts (except water); and the basic functions are moisturizing, moisture retention and skin conditioning. The formula does not use other ingredients that exceed the basic functions (except fragrances and essential emulsifiers, stabilizers, and the like); and the selected raw materials are strictly tested, and the testresults can be ensured to meet the requirements of the relevant specifications; the raw material which may cause an adverse reaction such as a coloring agent is not added; compared with the prior art,the children's cream has the characteristics of safe and mild usage, high purity, and low additive content.
Owner:湖州芙葆生物科技有限公司

Method for recovering ampicillin from enzymatic synthesis of ampicillin mother liquor

The invention relates to the field of recycling of ampicillin, in particular to a method for recycling ampicillin from an enzyme synthesis type ampicillin mother liquor. The method comprises the following steps of (1) separating the acidified ampicillin mother liquor by a film, so as to obtain a concentrated solution of the ampicillin; (2) enabling the obtained concentrated solution of the ampicillin in step (1) to be in contact with an alkaline regulator, and crystallizing, so as to obtain a crystal slurry of the ampicillin. The ampicillin obtained by the method has the characteristics that the purity is high, and the recycling rate is high; the preparation technology is simple, the cost is lower, and more environment-friendly effect is realized; under more preferable conditions, such asthe stirring condition, the crystal is separated out, and the stirring phase is set to the phase 2 or phase 3, so that the granularity of the obtained ampicillin crystal is more uniform.
Owner:SHANXI WEIQIDA PHARMA IND

Mild amino acid cleansing cream and preparation method thereof

ActiveCN111759753AImprove heat stabilityMake up for the shortcomings of unstable and fast defoamingCosmetic preparationsToilet preparationsPolyethylene glycolGlycerol
The invention provides mild amino acid cleansing cream and a preparation method thereof. The raw material of the cleansing cream is prepared from the following components in parts by weight: 15 to 35parts of N-sodium lauroyl glutamate, 10 to 40 parts of polyhydric alcohol, 1 to 10 parts of sodium methyl cocoyl taurate, 2 to 10 parts of sodium glutamate, 1 to 5 parts of polyethylene glycol, 1 to 5parts of thickener, 1 to 5 parts of fatty acid, 1 to 5 parts of ethylene glycol distearate, 1 to 10 parts of polyglyceryl-10 laurate, 0.1-1 part of PEG-120 methyl glucose dioleate, 0.1-1 part of tocopheryl acetate, 0.1-0.5 part of a chelating agent and 10-70 parts of water. The amino acid cleansing cream disclosed by the invention is fine and smooth in cream body, smooth and rich in foam, excellent in stability, mild to use, safe, non-irritating, suitable for various skin types and high in cleaning performance, and the pH value of the amino acid cleansing cream is 5.3-5.8 and is close to thepH value of human skin.
Owner:广州美兮生物科技有限公司

Environmentally-friendly coix seed laundry liquid

The invention discloses an environmentally-friendly coix seed laundry liquid. The laundry liquid comprises, by weight, 25-40 parts of coix seeds, 20-30 parts of magnolia flowers, 30-45 parts of Chinese Soapberry Seeds, 30-45 parts of Gleditsia sinensis, 6-15 parts of bis(hydroxymethyl) imidazolidinyl urea, 6-10 parts of propyl p-hydroxybenzoate, 12-24 parts of sodium lauryl ether sulfate, 8-12 parts of amine oxide, 4-9 parts of citric acid, 1-3 parts of a softener and 1-3 parts of an essence. The above formula is scientific and reasonable. The obtained environmentally-friendly coix seed laundry liquid has the advantages of excellent penetration ability and emulsifying ability, broad-spectrum bactericidal ability, and strong washing ability and decontamination capability; when the laundry liquid can be used for washing clothes, foams are rich and fine, the laundry liquid is mild and is harmless to hands, and the laundry can easily wash away various spots, oil stains, rust stains and sweat odor; and the laundry liquid has the advantages of small dosage, easiness in flushing, realization of cleanness, smoothness, delicate fragrance and naturalness of washed clothes, safe and environmentally-friendly raw materials, and good safety to human bodies and the environment, and is worth promoting.
Owner:兴仁县引力农产品加工商贸有限责任公司

Delicious soybean milk making machine

The invention discloses a delicious soybean milk making machine, which comprises a heater and a liner, wherein the liner is composed of an inner container and an outer container, and both the inner container and the outer container are detachable for cleaning; the inner container is used for accommodating grains and water while the outer container is used for accommodating water-generated superheated steam, and the inner container and the outer container are sealed by virtue of a seal ring therebetween; the heater is used for heating the water-generated superheated steam in the outer container; a thermal insulation material fills or covers the outside the liner; a metal wire mesh is arranged between the thermal insulation material and the liner, and a housing is arranged outside the thermal insulation material; the seal ring is made from a food-permitted sealing material; the outer container is arranged on the heater; the seal ring is arranged on the upper opening of the outer container, and on the seal ring, the inner container is arranged in the outer container; and the central shafts of the inner container, the outer container and the seal ring are coaxial. The delicious soybean milk making machine has the advantages of being gentle and warm to heat, and convenient, safe, sanitary and healthy to use, produced soybean milk is excellent and delicious in taste and both the inner and outer containers are detachable for cleaning.
Owner:宁波高新区世代能源科技有限公司

Preparing method of palm bark loaded nanometer titanium dioxide photocatalyst

The invention discloses a preparing method of a palm bark loaded nanometer titanium dioxide photocatalyst.The preparing method is characterized in that deionized water, potassium persulfate and concentrated sulfuric acid are used for treating pretreated palm bark, solid and liquid separating is carried out, drying is carried out, and oxidized palm bark is obtained; then, by mass, 85-90% of deionized water, 1-5% of nanometer titanium dioxide powder and 8-12% of oxidized palm bark are added into a reactor, the mixture is stirred uniformly and then placed into 20 kHz ultrasonic waves to be treated for 30-40 min, then the mixture is transferred into a high-pressure reaction kettle, a cover is screwed off, the reaction kettle is sealed, the temperature is raised to 180 DEG C, the reaction is carried out for 8-10 h, the reaction kettle is naturally cooled to the room temperature to be opened, and the product is filtered, washed with the deionized water and dried at the temperature of 180 DEG C, so that the palm bark loaded nanometer titanium dioxide photocatalyst is obtained.The preparing method has the advantages that the preparing method is simple, stability is good, the photocatalyst is degradable and environmentally friendly, the reaction condition is mild, catalytic activity is high, and the use amount is small.
Owner:UNIV OF JINAN

Natural face mask for diluting facial spots and preparing method

The invention belongs to the technical field of traditional Chinese medicine skin care products, and relates to a natural traditional Chinese medicine face mask for diluting facial spots and a preparing method. The natural face mask adopts natural traditional Chinese compositions which include traditional Chinese medicine raw materials, a natural emulgator, a natural preservative and deionized water, and the traditional Chinese medicine raw materials include angelica sinensis, bitter apricot seeds, black soya beans, ginseng, green tea, cortex moutan radicis, cortex mori radicis, natural honeyand medical plaster; the prepared face mask has treatment effects on facial inflammation such as pimples and acne, can also dilute the facial spots, does not contain hormone, is mild during use, has the effects of oxidation resistance, bacteria resistance and bacteriostasis, and can promote skin metabolism and reduce melanin precipitation. The preparing process is simple, the powder face mask is formed finally, and the product is stable in quality and convenient to store.
Owner:广州市诺兰精细化工有限公司

Method for preparing organic alcohol by catalyzing ethanol to reduce organic aldehyde compound

The invention provides a method for preparing organic alcohol by catalyzing ethanol to reduce an organic aldehyde compound, which comprises the following steps: mixing the aldehyde compound, ethanol and a CuZnAl skeleton catalyst, placing in a reaction tube, and preparing the organic alcohol under certain catalytic conditions. The CuZnAl framework catalyst is prepared by adopting an alkali corrosion method, and an active Cu catalyst is produced by using a CuZnAl alloy (CuZnAl alloy) as a raw material and corroding an Al component in the alloy by using a NaOH solution. The catalyst involved in the method is high in activity and low in cost, and the synthesis method is simple and convenient; ethanol is used as a hydrogen source and a solvent, is a renewable bulk reagent, and is low in price and environment-friendly; ethanol is used for hydrogen supply in the reaction, use of high-pressure hydrogen can be avoided, the reaction is mild and easy to regulate and control, and the requirement for equipment is low.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Bath soap capable of whitening skin, preserving moisture and inhibiting bacteria and preparation method of bath soap

The invention provides a bath soap capable of whitening skin, preserving moisture and inhibiting bacteria and a preparation method of the bath soap. The bath soap is prepared from the following raw materials: olive oil, rose soaking oil, aloe oil, hazelnut oil, rosemary soaking oil, horse oil, shea butter, palm oil, coconut oil, mango butter, a radix sophorae flavescentis extracting solution, a radix polygonati officinalis extracting solution, a basil seed extracting solution, a gallnut extracting solution, a tribulus terrestris extracting solution, a Chinese yam extracting solution, an amino acid soap base, a coconut oil soap base, sodium lauroyl sarcosinate, a surfactant ECS, sodium pyrrolidone carboxylate, biological polysaccharide gum, a compound emulsifier, poloxamer 188, water-soluble vitamin E, vitamin C, 1, 3-butanediol, cationic guar gum, ethylparaben, water and essence. Compared with the prior art, the bath soap provided by the invention is acid soap, the raw materials are natural, the bath soap can effectively clean skin, inhibit bacteria, resist inflammation, promote metabolism of skin cells and balance moisture, and the bath soap can make the skin softer, finer, whiter and more elastic after being used for a long time.
Owner:WANNAN MEDICAL COLLEGE

Composite preservative containing amino acid derivatives and preparation method for composite preservative and cosmetic

PendingCN111135108AGrowth inhibitionIncrease antiseptic and antibacterial effectCosmetic preparationsToilet preparationsBiotechnologyMicroorganism
The invention discloses a composite preservative containing amino acid derivatives. The composite preservative contains the amino acid derivatives, 1,2-vicinal diol and a solvent; the amino acid derivatives are octanoyl amino acid derivatives and / or lauroyl amino acid derivatives. The composite preservative can disturb and inhibit a physiological environment of a cell membrane, namely that the composite preservative is selectively gathered on an oil-water interface in an oil-in-water emulsion system, so that a food source for microorganisms in a region where the composite preservative is gathered is changed to result in being not in favor of growth of the microorganisms, and thereby, the growth of the microorganisms is inhibited; while after the 1,2-vicinal diol is compounded with the octanoyl amino acid derivatives and lauroyl amino acid derivatives dissolved in the solvent, a synergistic effect is generated, so that antisepsis and bacteriostasis effects of octyl chains in the octanoyl amino acid derivatives and lauryl chains in the lauroyl amino acid derivatives can be enhanced to make the composite preservative have a good antisepsis and bacteriostasis effect, and the compositepreservative is very safe and mild to use. The invention further provides a preparation method for the composite preservative and a cosmetic containing the composite preservative.
Owner:广东迪美生物技术有限公司 +1

Preparation method and application of a wool-loaded nano-pd-co catalyst

The invention discloses a preparation method and an application of a wool-supported nano Pd-Co catalyst. The preparation method comprises the following steps: 1) carrying out impurities removal, washing and degreasing treatment on wool; 2) adding mercaptoacetic acid, tetrahydrofuran, the degreased wool and concentrated sulfuric acid, adding a plug, at the temperature of 60 DEG C, refluxing for 4-6 h with stirring, washing with water, carrying out suction filtration until the filtrate is neutral, drying, and thus obtaining mercapto wool; 3) adding the mercapto wool into a mixed solution of palladium ions and cobalt ions, adjusting the pH value of the solution to 6.0-7.5, carrying out stirring reaction for 20-40 min at the room temperature, after filtering separation, putting the obtained solid into a 40% hydrazine hydrate solution with a solid-liquid ratio of 1 g:15-30 mL, carrying out ultrasonic reaction for 35 min, filtering, washing with distilled water, drying at the temperature of 90 DEG C, and thus obtaining the wool-supported nano Pd-Co catalyst. The wool-supported nano Pd-Co catalyst has the characteristics of simple preparation method, good stability, degradability, waste reutilization, mild reaction conditions, high catalytic activity, little using amount and the like.
Owner:UNIV OF JINAN

Preparation method of 5-aminolevulinic acid hydrochloride intermediate

The invention relates to a preparation method of a 5-aminolevulinic acid hydrochloride intermediate, and belongs to the field of synthesis of medical compounds. The method is characterized in that: inthe method a, a compound of a formula (5) is prepared from a compound of a formula (1) or formula (2) under the action of a reaction solvent a and an oxidant a, and is hydrogenated to obtain a compound of a formula (6); or in the method b, the compound shown as the formula (6) is obtained from a compound shown as a formula (3) or a formula (4) under the action of a reaction solvent b and an oxidizing agent b. The compound in the formula (6) is subjected to acidic hydrolysis after purification to remove a protecting group, or is directly subjected to acidic hydrolysis to remove the protectinggroup to obtain the 5-aminolevulinic acid hydrochloride. According to the method, the environment-friendly oxidants are adopted, so that the cost can be reduced, the quality requirements of high-quality medicinal raw materials can be met, the production efficiency can be improved, and the requirements of industrial large-scale production are met.
Owner:上海奈及生物医药科技有限公司
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