3725results about How to "Anti-inflammatory" patented technology

The invention relates to a low-temperature soap-making process of natural cooling-making soap, which belongs to a washing article and a making process thereof. The cooling-making soap is made of the following raw materials in proportion by weight at low temperature: 20-28 distilled water, 60-71 base grease, 6-12 sodium hydroxide, essential oil accounting for 0.5-1.5 percent of the total weight ofthe distilled water, the base grease and the sodium hydroxide, and Chinese medicine accounting for 1.5-2.5 percent of the total weight of the distilled water, the base grease and the sodium hydroxide.The making process comprises the following steps: firstly, weighing the raw materials; secondly, adding the sodium hydroxide into the distilled water; thirdly, adding the base grease into a stainlesscontainer, heating by separating from water; fourthly, after reducing the temperature of the sodium hydroxide solution and the base grease solution, slowly pouring the sodium hydroxide solution intothe base grease solution, and completely stirring uniformly; fifthly, adding the essential oil and the powder of the Chinese medicine, and stirring uniformly; sixthly, pouring the liquid mixture intoa mould, demoulding, and standing thus obtaining the soap. The invention solves the problem of poor washing effect of the washing soap produced by the prior art.

The invention discloses mild shampoo and bath bubbles for infants. According to the characteristics of hair and skin of infants, the shampoo and bath bubbles are prepared by selecting disodium cocoyl glutamate, cocamidopropyl betaine and sodium lauryl and glycoside hydroxypropylsulfonate as a surfactant system, selecting camellia-seed oil, alpha-glucan oligosaccharide / inulin compound as a regulating component and selecting flos chrysanthemi indici extract and ethyl lauroyl arginate HCl as a preservative system. The shampoo and bath bubbles are prepared from compatible raw materials, have good cleaning effect and mild and non-irritant performance, and can be used for reinforcing skin barrier to give intimate care to infants.

The invention relates to a Xingyang red black tea processing technique. The technique comprises the following parameters: wilting temperature: 25-30 DEG C; humidity: 60-70%; wilting time: 6-7 h; twisting machine rotating speed: 55-60 r / min; 2-3 times of twisting, each for 30 min; amount of tea feed: 30-35 kg; unravel machine rotating speed: 35 r / min; sieve pore size: 6#; 2-3 times of unravelling;temperature in a fermentation chamber: 2-7 DEG C; humidity in the fermentation chamber: 96%; tea spread thickness: 10 cm; oxygen supply amount: 5 L / min; fermentation time: 4.5 h; initial drying temperature: 115 DEG C; initial drying time: 20 min; re-drying temperature: 75 DEG C; and re-drying time: 30 min. The processing technique of the invention is unique, and the quality of the made black tea is excellent: the appearance of the product is fat and tender and compact, the peak of the tea is gold and the tea has bright luster; the endoplasm aroma of the tea has rich green flavour; the taste of the tea is mellow and sweet; the tea liquor is brilliantly red; and the root of the tea leaf is soft and green, has many sprouts and a colour of brilliant red.

An antibacterial medical dressing for the operation wound is prepared from chitosan fibers through alkalizing to become alkaline chitosan fibers, and etherifying reaction on chloroacetic acid to become carboxymethyl chitosan fibers. When said fibers are encountered with water, it is swelling to become elastic gel. It is possible to add additive for higher curative effect.

The invention relates to a combined lightweight steel structure building and an assembling method thereof. The combined lightweight steel structure building comprises ground beams, angular upright posts, upright posts, ring beams, sandwich panels, a roof, staircases, doors and windows. The key technical points of the combined lightweight steel structure building are as follows: a plurality of floor bottom girders in parallel are arranged on the ground; four ground beams are arranged on the circumference of each floor bottom girder in turn; bolt fastening sheets which are connected with the ground beams and the ring beams are arranged on joints of upper ends and lower ends of each angular upright post and each upright post respectively; limit baffle plates of wall panels are arranged on angular upright posts and upright posts near the outside of the building; bolt fastening limit treadle bars of the wall panels are arranged on upright posts near the inside of the building; the wall panels comprise wall panels provided with door bodies or wall panels provided with window bodies; metal section supporting layers which are suitable to be connected with balcony bottom girders or / and corridor bottom girders are uniformly distributed between two adjacent floors; metal floor slabs are laid on the metal section supporting layers; and the roof is as follows: a waterproof ridge section is arranged on the upper part of a ridge main girder; the edge of a roof slab is embedded into the ridge section; and a roof slab slot section provided with a drainage channel is arranged on the upper part of a ramp beam of the roof.

The present invention has an object to provide an external dermatological formulation having satisfactory blood flow-promoting effect, antiinflammatory effect, antibacterial effect, moisturizing effect, whitening effect, UV-absorbing effect, UV-scattering effect, antioxidant effect, hair growing effect, hair nourishing effect, emusifying effect, astringent effect, wrinkle-reducing effect, cell-activating effect and / or transdermal absorption-promoting effect with a satisfactory safety and skin feeling; The object is solved by providing an external dermatological formulation comprising a saccharide derivative of alpha , alpha -trehalose and one or more members selected from substances having any one of blood flow-promoting effect , antiinflammatory effect, antibacterial effect, moisturizing effect, whitening effect, UV-absorbing effect, UV-scattering effect, antioxidant effect, hair growing efect, hair nourishing effect, emulsifying effect, astringent effect, wrinkle-reducing effect, cell-activating effect and transdermal absorption-promoting effect.

The invention provides sulfamate serving as an indoleamine-2, 3-dioxygenase inhibitor and a preparation method and application thereof. The structure of the inhibitor is shown in the general formula I, wherein definitions of X, R1, R2, R3, R4, R5 and n are shown in the description and the claim. The invention further discloses the preparation method of the inhibitor. The compound shown in the general formula I can serve as the indoleamine-2, 3-dioxygenase inhibitor and is used for preparing medicine for preventing and / or treating indoleamine-2, 3-dioxygenase mediated diseases. The general formula I is shown in the description.

The invention relates to a beverage and particularly discloses health-care dark tea. The health-care dark tea consists of the following raw materials in parts by weight: 5-8 parts of dark tea, 2 parts of buckwheat, 2-5 parts of lotus leaves, 2-5 parts of sweet potato leaves, 1 part of hawthorn, 3 parts of honeysuckle, 1 part of cassia seed, 1 part of bunge cherry seed, 3-6 parts of pumpkin, 2-4 parts of towel gourd, 2 parts of gingko, 3-5 parts of fructus momordicae, 1 part of mulberry leaf, 1 part of sophora japonica and 2-5 parts of boat-fruited sterculia. The health-care dark tea provided by the invention is easy to prepare and convenient to drink, keeps the warm aroma of dark tea while having the faint scent of the buckwheat and the honeysuckle, is good in taste, and also has a health care function. The dark tea has bactericidal, anti-inflammatory, diuretic, detoxification, anti-oxidation, anti-aging, anti-cancer, mutation-resistant, hypolipidemic, antihypertensive, carbohydrate metabolism improving, hpyerglycemic, and diabetes prevention and treatment functions, and by matching with the functions of promoting digestion and reducing excessive inflation of the hawthorn and the heat-clearing and detoxicating functions of the honeysuckle, the health care effect of the dark tea is remarkable.

The invention discloses a cryoablation probe shell covered by expandable hydrogel and a preparation method thereof. The cryoablation probe shell is characterized by comprising a cryoablation probe shell made of metal and a hydrogel coating covering the probe shell, wherein the cryoablation probe shell comprises integrated working section and non-working section; the hydrogel coating is uniformly coated on the non-working section of the cryoablation probe shell, and the thickness of the hydrogel coating is 50 mu m to 500 mu m. The hydrogel coating comprises degradable porous hydrophilic hydrogel and absorbs water to rapidly expand to form a hydrogel isolating membrane to isolate the cryoablation probe from normal tissue, and plays the function of protecting the normal tissue of a non-target area.

The invention relates to a low-foaming anti-crease soft laundry detergent and a preparation method thereof. The low-foaming anti-crease soft laundry detergent comprises the following components according to proportions: 1-30 percent by weight of nonionic surface active agent, 1-30 percent by weight of anionic surface active agent, 0.5-5 percent by weight of ester quaternary ammonium salt, 0.5-8 percent by weight of alkyl-glycoside, 0.5-3 percent by weight of soap powder, 0.01-0.04 percent by weight of anhydrous calcium chloride, 1-4 percent by weight of sodium citrate, 0.18-1.8 percent by weight of anti-crease agent, 0.5-10 percent by weight of propylene glycol, 0.01-1 percent by weight of preservative, 0.1-2 percent by weight of enzymic preparation, 0.01-0.4 percent by weight of fluorescent whitening agent and the balance of deionized water. The laundry detergent has the advantages of softness, crease resistance, low foaming, stable system, high enzymatic activity and strong detergency.

An antibacterial medical dressing is prepared from chitosan fibers through alkalizing, etherifying reaction on chloroacetic acid to obtain carboxymethyl chitosan fibers, opening, netting, needling, and cutting by needed sizes, packing and disinfecting. It can be used for preparing the surgical dressing for wound, bum and scald, the anti-inflammatory staltic fiberous ball, anti-inflammtory drainage sliver, and operation dressing.

The invention discloses a method for preparing porous compound type high permeability absorption hemostasis coating with modified nano-crystalline cellulose, and belongs to the field of biological medical materials. The method comprises the following steps of: pre-processing bacterial cellulose by alkali water at high temperature to remove endotoxin; scattering the obtained bacterial cellulose under a high-speed bacterial pulverizer to be fine fibers; performing alkalization treatment on the fine fibers by alkali liquid with the proper concentration to activate the cellulose; adding an etherifying agent grafted modified bacterial cellulose to ensure that the fiber has a certain hemostasis function; uniformly compounding the modified bacterial cellulose with sodium alga acid to form gel network by ion crosslinking; and freezing and drying the gel network to obtain the hemostasis compound material with good performance. The porous compound material prepared by the method is a good medicine carrier, which can carry the medicines capable of resisting bacteria, stopping the pain and coagulating blood, so that the material has good medicine sustained release effect under different PH values. The porous compound material is high in biocompatibility and cell affinity, can promote proliferation and differentiation of stem cells, and facilitates rapid recovery of damaged tissues.

The invention relates to a preparation method of a porous sodium alginate nano-fiber wound dressing material. The method comprises the following steps: preparing a spinning solution by dissolving sodium alginate and a water-soluble polymer as basic raw materials and a thermal decomposition foaming agent as a porogenic agent in water according to a certain mass ratio, preparing sodium alginate composite nano-fiber by adopting an electrostatic spinning technology, then performing thermal treatment on the nano-fiber at a certain temperature to decompose the foaming agent, and forming holes in and on the surface of the fiber to obtain a porous sodium alginate nano-fiber membrane; and performing chemical crosslinking on the porous sodium alginate nano-fiber membrane in an ethanol solution of CaCl2 to obtain porous sodium alginate nano-fiber wound dressing. The method disclosed by the invention has the advantages of simple preparation process, controllable process conditions and easiness in control of material structure and performance; and the material prepared by the method disclosed by the invention has high specific surface area and porosity, and excellent water absorption and water holding performance, and can be used as the medical wound dressing.

The invention discloses a nutritional health food with the function of improving gastrointestinal function and a preparation method thereof. The nutritional health food can be used for regulating the intestinal flora to improve the gastrointestinal function from the aspects of increasing the probiotics type and quantity, increasing the probiotics nutrient substance, inhibiting the growth of harmful bacteria and enhancing the immunity of human body. According to the preparation method, probiotics powder such as lactobacillus plantarum is used as the main raw material, and edible fungi extracts and modified dietary fibers are scientifically compounded; saussurea involucrata culture extracts which are capable of remarkably enhancing the immunity of human body, resisting inflammatory and easing pain, and have the functions of oxidation resistance, radiation resistance and fatigue resistance are used, so that while the intestinal probiotics flora types is increased, the fix planting capacity of the endogenous probiotics and exogenous probiotics in the intestinal tracts of human body is remarkably enhanced, and fix planting time of the endogenous probiotics and exogenous probiotics in the intestinal tracts of human body is prolonged remarkably, the growth and reproduction of the harmful bacteria, particularly the Gram negative bacteria, in the intestinal tracts are effectively inhibited, the forming of the probiotic floras in the intestinal tracts is fully regulated and the nutritional health food which is good in probiotic property, capable of remarkably enhancing the immunity of human body and has the effect of improving the gastrointestinal function is prepared.

The invention provides a health-care quilt which comprises at least a packing layer. The packing layer comprises a surface fabric and a filling material, wherein the filling material contains fragrant cattail wools. The quilt of the invention is soft and comfortable, has heat retention property, comfortableness and air permeability and has the functions of health protection and moist and insect resistance. The fragrant cattail wools are added in the filling material so the health-care quilt has smooth surface, is light, soft and comfortable, and has heat retention property, comfortableness and air permeability. The health-care quilt further has moist and insect resistance and the functions of health protection such as moistening lung, dispelling fire, resisting bacterial, diminishing inflammation, improving eyesight, calming the nerves, regulating the flow of vital energy, decreasing fat, tonifying spleen, nourishing the life, and lengthening the life. Other Chinese medicinal crops which are conducive to sleep are added in the quilt of the invention so the health protection function of the quilt is further strengthened, the sleeping quality of the user can be improved and the physical fitness of the user can also be strengthened.

The invention discloses a moderate skin cream containing multiple kinds of pure natural plant extracts. A pure natural green tea extract, a liquorice root extract, a rosmarinus officinalis leaf extract, a scutellaria baicalensis root extract, a chrysanthemum extract and a centella asiatica extract are added in raw materials of the skin cream, and all have effects of resisting inflammation and adjusting immunity; the skin cream is capable of completely inhibiting a dozen of inflammatory factors, rapidly stopping skin inflammations caused by various reasons and inhibiting malignant linkage physiological reactions in all stages of the inflammations, has an effect of sephalosprins and is safe without side effects, also has cooperative effects of resisting oxidization, soothing and preserving moisture, and especially has a remarkable clinical effect for nursing of sensitive skin and skin of infants; and the six kinds of selected pure natural plant extracts are added in the skin cream, so that the symptoms such as inflammation and allergies caused by factors such as climate, environment and stimulating substances of the infants can be greatly reduced, the tender and lovely skin of the infants is protected, and thus the moderate skin cream is suitable for being used by the infants.

The invention relates to a yarn, especially the manufacturing method for blended yarn of chitin fiber, alginate fiber and tencel fiber, and the application. The blended yarn comprises 5-30 by wt of chitin fiber, 5-40 by wt of alginate fiber and 30-70 by wt of tencel fiber. Merits of invention are that (1) produced blended yarn and the product is environmental protection and degradation material; (2) produced blended yarn and the product is washing resistance and long time for medical and health efficacy; (3) the product is provided with the health action of bacteriostasis, diminishing inflammation, deodorization and so on, and the antibacterial ratio for staphylococcus aureus and Klebsiella pneumoniae bacterium can achieve the standard of national ministry of health; (4) the product is provided with wide application, it can be made into knitting, woven and non-woven fabrics; it can not only be applied in textile for medical treatment but also for ordinary clothes.

The invention relates to a novel indoleamine-2,3-dioxygenase (IDO) inhibitor, as well as a preparation method and an application thereof. The inhibitor is compounds of a formula I or pharmaceutically-acceptable salt, solvate, polymorph, enantiomer or racemic mixture thereof, wherein R1 or R2 is independently selected from H, C1-C5 alkyl, halogen and a substituent of a formula II and either of R1 and R2 is the substituent of the formula II; R3 is an aryl group; and n is equal to 0, 1, 2 or 3. Compared with the know IDO inhibitors, the novel IDO inhibitor has significant inhibitory effect on IDO and can be used for treatment of diseases having IDO-mediated tryptophan metabolic pathway pathological features, such as tumors, cancers, Alzheimer's disease, autoimmune diseases, cataract, psychological disorders, depression and / or anxiety. The preparation method of the novel IDO inhibitor has the advantages of being convenient in operation, having mild reaction conditions and reducing solvent consumption and pollution, thereby facilitating industrial production.

The invention discloses whitening and freckle-removing cream which comprises water, hydrogenated polydecene, butanediol, glycerol, ethylhexyl palmitate, isopropyl palmitate, ceteareth-25, ceteareth-6,C12-15 alcohol-benzene formic ester, cetostearyl alcohol, polydimethylsiloxane, magnesium ascorbyl phosphate, simmondsia chinensis seed oil, preservatives, tocopheryl acetate, arbutin, xanthan gum, bisabolol, allantoin, essence, EDTA (ethylene diamine tetraacetic acid) disodium, glycyrrhiza glabra root extracts, sodium hyaluronate and citric acid. Whitening active components such as the glycyrrhiza glabra root extracts, the magnesium ascorbyl phosphate and the arbutin are added in a formula, the whitening and freckle-removing cream can penetrate into skin bottoms, melanogenesis is continuously inhibited, melanin decomposition is accelerated, skins are thoroughly whitened from inside to outside, and rapid whitening and freckle-removing effects are achieved. The magnesium ascorbyl phosphateand vitamin E achieve synergistic effects, and the whitening and freckle-removing effects are better.

The invention discloses a seed dressing agent which comprises the following components in parts by weight: 0.1-20 parts of Chinese medicinal herb preparation, 1-10 part of polyacrylate and 1-25 parts of fulvic acid, wherein the Chinese medicinal herb preparation is mainly prepared from the following components in parts by weight: 110-540 parts of mandala, 200-400 parts of rhododendron molle, 200-500 parts of indigowoad leaf, 300-600 parts of houttuynia cordata, 10-80 parts of common andrographis herb, 5-30 parts of Chinese honeylocust fruit and 50-150 parts of radix sophorae flavescentis. Theinvention adopts pure traditional Chinese medicine preparations, thereby guaranteeing that the seed dressing agent is environmental friendly, and moreover, due to the effects of the traditional Chinese medicines, the seed dressing agent has good effects of preventing diseases and resisting pests.

The invention discloses a health food capable of improving intestinal floras and a preparation method of the health food. The intestinal floras are adjusted on a plurality of aspects of increasing the probiotics variety and quantity, adding probiotic nutrient substances, inhibiting the harmful bacterial growth and increasing the human immunity, so that the gastrointestinal functions are improved. With probiotic powder such as lactobacillus plantarum as a main raw material, an edible mushroom extract is scientifically compounded, and dietary fibers are modified, so that the human immunity can be significantly improved; a saussurea involucrate culture extract has the efficacies of resisting inflammation, relieving pain, and resisting oxidation, radiation and fatigue; the variety of the intestinal beneficial bacteria floras is increased; the field planting capacity of endogenous and exogenous probiotics in human intestinal tracts is significantly enhanced and the field planting time of endogenous and exogenous probiotics in human intestinal tracts is significantly prolonged; the growth and the reproduction of intestinal harmful bacteria, especially gram negative bacteria, are effectively inhibited; the components of the intestinal beneficial bacteria floras are fully adjusted; and the health food which is high in probiotic property, and is capable of significantly improving the human immunity and improving the intestinal floras is prepared.

The invention discloses an environment-friendly cultivation method for lobsters. The environment-friendly cultivation method for the lobsters comprises the following steps: selecting a pond with the depth of 55 to 100 cm; enclosing the periphery of the pond by using asbestos tiles; disinfecting the pond by using quick lime and traditional Chinese medicinal powder before breeding larval lobsters; breeding the lobsters; performing water quality management; feeding feed; and catching adult lobsters.

An exterior-applied Chinese medicine for treating multiple skin diseases including itching, inflammatory and viral dermatopathies is prepared from chloromycetin, fossyol, and 13-15 Chinese-medicinal materials including rhubarb, phellodendron bark, dittany bark, flavescent sophora root, etc.

The present invention discloses an eugenol nano emulsion compound, characterized in that the granule diameter of the nano emulsion compound is within 1 to 100nm; the raw materials with weight percentage includes 1.0 to 10.0 percent of eugenol, 0.5 to 8.0 percent of eucalyptus oil, 0.1 to 6.0 percent of pennyroyal, 0.1 to 3.0 percent of paeonol, 0.05 to 5.0 percent of citionella oil, 0.05 to 3.0 percent of camphor, 7.5 to 35.3 percent of emulsifying agent, 0.2 to 3.8 percent of co-emulsifier and the rest of water; the total weight percentage of the raw materials is 100 percent. The eugenol nano emulsion compound has the functions of dispelling mosquitoes, relieving itching, killing pain, reducing inflammation and resisting bacteria. The present invention is used to dispel mosquitoes and rapidly relieve itching and red swelling on the skin after bitten by mosquitoes. The present invention has the advantages of strong permeability, good stability, good invasive, long acting time, significant effect, simple preparation method and easy promotion and application.

The invention relates to a one-story combined type lightweight steel structure house and a mounting method thereof. The house comprises ground beams, corner upright posts, upright posts, ring beams, a sandwich panel, a roof, a door and windows. The house comprises the following technical points: a plurality of parallel floor mudsills are arranged on the ground; the periphery of the floor mudsills are sequentially provided with four ground beams; the connecting parts between the upper ends and the lower ends of each corner upright post and each upright post are provided with a bolt connecting sheet connected with the ground beam and the ring beam respectively; the positions of the corner upright post and the upright post close to the outer side of the house are provided with a limiting baffle plate of a wallboard; the position of the upright post close to the inner side of the house is provided with a bolt connecting and limiting treadle bar of the wallboard; the wallboard comprises the wallboard with a door body or window bodies; and the roof comprises: the upper part of a main girder of a roof ridge is provided with a water retaining roof ridge section; a roof board is embedded into the roof ridge section; and the upper part of an oblique beam of the roof is provided with a roof board slot section with a drainage channel. The method standardizes and generalizes members of the building structure, totally adopts bolt connection without needing welding in mounting and is suitable for the requirement of a routine lightweight structure house.

The invention provides an anti-allergic skin-care facial mask. The anti-allergic skin-care facial mask is prepared from the following main components in percentage by weight: 0.5 to 3 percent of a tasmannia lanceolate leaf exact, 0.1 to 0.2 percent of hudroxyphenyl propamidobenzoic acid, 0.1 to 2.0 percent of lactobacillus / soybean milk fermentation product filtrate and 0.1 to 1.0 percent of ectoin. The anti-allergic skin-care facial mask disclosed by the invention has the advantages that deep soothing can be achieved, damage of an external environment to the skin is effectively resisted, skinimmunity is improved, the skin barrier is strengthened and sensitive skin is repaired. The anti-allergic skin-care facial mask also can be added with an abelmoschus esclentus fruit extract, oat beta-glucan, aphanothece sacrum polysaccharide, bio-saccharide gum-4 and ceramide 3, and the effects of a product can be better played by scientific matching and recombination as well as synergism of the moisturizing and anti-allergic active ingredients therein.

The invention provides nourishment chocolate which is prepared from the following components: cocoa liquor, cocoa butter, healthy sugar, milk powder, whey powder, vanillin, phospholipid and a health care product. The invention also provides a preparation method of the nourishment chocolate, which is simple, low in cost and high in yield, and the nourishment chocolate is good in quality, rich in nutrients and scientific and reasonable in formula.

The invention discloses a probiotic-containing health food and a preparation method thereof, wherein intestinal florae are adjusted in many aspects of increasing the types and quantity of probiotics, increasing the nutrient substances of the probiotics, inhibiting the growth of harmful fungi, enhancing human immunity and the like, so as to improve gastrointestinal functions. Probiotic powders of lactobacillus plantarum and the like are taken as main raw materials, and edible fungi extract, modified dietary fibres, a saussurea involucrata culture extract capable of remarkably enhancing the human immunity, resisting inflammation and easing pain and having anti-oxidization, anti-radiation, anti-fatigue functions and the like are scientifically compounded, and then the planting capacity and the planting time of endogenous and exogenous probiotics in human intestinal tracts are remarkably improved and prolonged, the growth and reproduction of intestinal harmful fungi, especially, Gram-negative bacterium, are effectively inhibited, and the composition of intestinal probiotic florae is adequately regulated while the types of the intestinal probiotic florae are increased; therefore, a health food with high probiotic property, capable of remarkably enhancing human immunity and containing probiotics is prepared.

The invention relates to the technical field of food brewing, in particular to a method for making passion fruit vinegar by using passion fruit as a main raw material. The method specifically comprises following three steps: (1) the passion fruit is juiced to obtain passion fruit juice, then pectinase is added to the passion fruit juice, the sugar degree of the passion fruit juice is regulated, and the passion fruit juice is sterilized; (2) the passion fruit juice is subject to alcohol fermentation and acetic acid fermentation to obtain an initial product of the passion fruit vinegar; (3) the initial product of the passion fruit vinegar is aged, and then a finished product of the passion fruit vinegar can be obtained. The finished product of the passion fruit vinegar, which is made through adopting the method, has the advantages of well retention of nutritional components, greasing and natural taste, no bitter taste, steady quality and bright color; and meanwhile, as no artificial preparation is added to the passion fruit vinegar, the natural flavor of the passion fruit can be better retained.

The invention discloses a hyaluronic acid dressing and a preparation method thereof. The dressing comprises the following components in percentage by mass: 0.01-0.3% of medium-molecular-weight hyaluronic acid, 0.01-0.5% of small-molecular-weight hyaluronic acid, 0.03-1% of allantoin, 0.1-1% of Carbomer, 2-5% of sorbitol, 0.2-1% of trehalose, 0.7-2.5% of witch hazel distillate, 0.1-0.5% of D-panthenol, 0.05-0.15% of alpha-bisabolol, 0.2-1.0% of oat glucan, 2-10% of glycerinum, 0.06-1% of water-soluble silicon wax, 0.05-0.9% of an antalkali, 0.004-0.2% of 2-methyl-4-isothiazoline-3-one, 0.05-0.4% of phenoxyethanol, 0.005-0.05% of pentanediol, 0.01-0.06% of octylene glycol, 0.025-0.5% of methylparaben and the balance of water. The dressing disclosed by the invention is capable of permeating into the deep layers of the skin to remove excessive free radicals, promoting the generations of blood vessels, and accelerating the union of wounds, in particular, acnes, eczematous dermatitis, photorejuvenation postoperation repair and the like.