CN113018233A - Bacteriostatic and itching-relieving plant composition and preparation method and application thereof - Google Patents
Bacteriostatic and itching-relieving plant composition and preparation method and application thereof Download PDFInfo
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- CN113018233A CN113018233A CN202110261720.3A CN202110261720A CN113018233A CN 113018233 A CN113018233 A CN 113018233A CN 202110261720 A CN202110261720 A CN 202110261720A CN 113018233 A CN113018233 A CN 113018233A
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Abstract
The invention discloses a bacteriostatic itching-relieving plant composition and a preparation method and application thereof, wherein the bacteriostatic itching-relieving plant composition comprises the following raw materials in parts by weight: 5-10 parts of phyllanthus urinaria extract, 3-10 parts of perfoliate knotweed extract, 6-15 parts of phellodendron extract, 5-10 parts of sophora flavescens extract, 8-12 parts of Chinese violet extract, 3-6 parts of spreading hedyotis herb and 37-70 parts of deionized water; the invention also discloses a preparation method of the plant composition for inhibiting bacteria and relieving itching and application of the plant composition for inhibiting bacteria and relieving itching in preparing bath foam and body lotion; the bacteriostatic and antipruritic plant composition prepared by the invention has the effects of inhibiting the growth of bacteria and relieving itching and repairing well aiming at pruritus caused by dryness, infection or other stimulation of skin; meanwhile, the plant composition is prepared from natural plant components, and has the advantages of low toxicity and difficulty in generating drug allergy compared with a treatment drug prepared from western medicine components.
Description
Technical Field
The invention belongs to the field of personal care products, and particularly relates to a bacteriostatic itching-relieving plant composition, and a preparation method and application thereof.
Background
In daily life, after people do exercises and labours, pores expand due to fever and sweating, and at the moment, the skin is easily infected by bacteria, and the problems of skin itch and the like occur. According to statistics, about one fifth of the population today suffers from various degrees of skin itching and allergy. From the medical point of view, skin itch mainly refers to the abnormal phenomena of redness, itching, peeling, allergic dermatitis and the like which are caused when skin is stimulated by various pollution sources, such as cosmetics, chemical agents, pollen, food, polluted air and the like which have adverse reactions. The incidence rate of skin diseases in China is as high as 1.23 percent, wherein the most main disease is skin pruritus. The causes of skin itch are complex and are divided into two aspects of internal causes and external causes; wherein, the internal cause package is mainly systemic diseases, such as endocrine diseases, liver and gall diseases, kidney diseases, malignant tumors and the like which can cause skin itch; external factors are related to climate, temperature, mechanical (friction, etc.), chemical stimulation (acid-base, etc.), drugs (belladonna, cimetidine, chloroquine, etc.), mosquito and insect bites. In addition to the above factors, focal infections, drug, food allergies, and parasitic or fungal infections can cause systemic or localized skin itching.
Aiming at common pruritus in daily life, people often adopt a shower mode to remove pollution sources such as dust and the like attached to the surface of skin so as to eliminate pruritus. At the moment, common bath foam and perfumed soap have no obvious effect of relieving itching and removing bacteria, and people go to a pharmacy to buy various creams, etc., which are not convenient for applying on the whole body and have high cost; in addition, the folk-used skin care products for degerming are needed to solve the above-mentioned problems because the efficacy of the folk-used skin care products is difficult to have stable efficacy and usually addresses the symptoms rather than the root causes. At present, hormone medicines are mostly used for inhibiting pruritus and resisting dermatitis clinically, but the toxic and side effects are large, radical treatment is not easy, more and more people turn to research traditional Chinese medicines, and the traditional Chinese medicines in the traditional Chinese medicine consider that the pruritus cutanea is related to heart fire and lung heat, so the traditional Chinese medicines for clearing heat and removing toxicity are common medicines for treating the pruritus cutanea.
Various preparations such as dexamethasone and cortisone mainly comprising chemical drugs are mostly adopted as antipruritic agents on the market, but the chemical preparations have quick curative effect but are often accompanied by side effects. In order to further improve the safety of products, a plurality of daily care products containing traditional Chinese medicine components for skin pruritus are also provided. Chinese patent document with application number 201510834512.2 discloses Pudilan antibacterial itching-relieving shower gel and a preparation method thereof, wherein the main itching-relieving substance is Pudilan which is composed of four traditional Chinese medicines of scutellaria baicalensis, isatis roots, dandelion and corydalis bungeana, and the formula in the shower gel disclosed by the invention contains more emulsifier components, is high in dosage and complex in components and is not suitable for long-term use; chinese patent with application number of 201910520622.X discloses an antibacterial and itching relieving traditional Chinese medicine composition and application thereof, and particularly discloses a traditional Chinese medicine composition at least comprising a centella extract, a purslane extract, a chamomile extract, a witch hazel extract, a honeysuckle extract, a roselle flower extract, a hawthorn extract, a mint extract, an aloe extract and betaine.
Disclosure of Invention
In order to solve the problems, the invention provides a plant composition with good and lasting antibacterial and itching relieving effects and a preparation method thereof, the plant composition adopts liquid nitrogen low-temperature freeze thawing treatment on 6 Chinese herbal medicines, so that more beneficial components are dissolved out, the yield is improved, meanwhile, 3 extracts and 3 extracts are compounded to obtain the plant composition, the plant composition contains a small amount of essential oil components, water-soluble substances in plants, natural components and light fragrance, and meanwhile, the plant composition is used for preparing daily care products such as bath foam, body lotion and the like.
The purpose of the invention is realized by the following technical scheme:
the invention discloses a bacteriostatic and itching-relieving plant composition which comprises the following raw materials in parts by weight: 5-10 parts of phyllanthus urinaria extract, 3-10 parts of perfoliate knotweed extract, 6-15 parts of phellodendron extract, 5-10 parts of sophora flavescens extract, 8-12 parts of philippine violet herb extract, 3-6 parts of spreading hedyotis herb extract and 37-70 parts of deionized water.
The invention also discloses a preparation method of the plant composition for inhibiting bacteria and relieving itching, which comprises the following steps:
(1) pretreatment: cleaning and drying whole phyllanthus urinaria, perfoliate knotweed, phellodendron, radix sophorae flavescentis, Chinese violet and spreading hedyotis herb, crushing and sieving by a 30-mesh sieve, packaging the obtained Chinese herbal medicine powder by 100% terylene cloth, quickly freezing the packaged Chinese herbal medicine powder in liquid nitrogen in a Dewar flask, quickly taking out the packaged Chinese herbal medicine powder after 1-2 min, putting the packaged Chinese herbal medicine powder into a boiling water solution for unfreezing for 10-12 min, and performing freezing-unfreezing cycle for multiple times;
(2) respectively putting the phyllanthus urinaria powder and the oldenlandia diffusa powder which are subjected to low-temperature freeze thawing treatment into containers, adding 5 times of ethanol solution with the mass concentration of 75%, leaching at room temperature, shaking once every 2-3 h, performing suction filtration after 6h, and collecting filtrate; repeatedly leaching for 1 time, combining filtrates, placing in a rotary evaporation evaporator at 60-65 deg.C under 0.90-0.95 atm, concentrating under reduced pressure, and evaporating to remove solvent to obtain Phyllanthus urinaria extract and herba Hedyotidis Diffusae extract;
(3) adding distilled water into the Chinese violet powder subjected to low-temperature freeze thawing treatment according to the solid-to-liquid ratio of 1:20, extracting for 3 times by using a condensation reflux method, setting the temperature of a water bath kettle to be 70-75 ℃, and setting the time for single extraction to be 2-3 h; filtering under reduced pressure after each extraction is finished, combining the two filtrates, transferring the combined filtrates into a rotary evaporator, concentrating the combined filtrates under reduced pressure to one third of the volume of the original solution, adding 3 times of 85% ethanol in the concentrated mixed solution for precipitation for 24-30 h, filtering under reduced pressure, and drying the obtained precipitate in a vacuum freeze dryer to obtain the herba violae extract;
(4) extracting herba Polygoni Perfoliati, cortex Phellodendri and radix Sophorae Flavescentis after low temperature freeze thawing treatment in a steam extraction device until no essential oil appears, and separating essential oil and extract to obtain herba Polygoni Perfoliati extract, cortex Phellodendri extract and radix Sophorae Flavescentis extract respectively;
(5) the perfoliate knotweed herb extract, the phellodendron extract, the sophora flavescens extract, the Chinese violet extract, the spreading hedyotis herb extract and deionized water are mixed according to the weight ratio of the raw materials to obtain the traditional Chinese medicine extract with the functions of inhibiting bacteria and relieving itching.
The invention also discloses an application of the antibacterial itching-relieving plant composition in preparation of daily nursing articles for skin itching, wherein the addition amount of the antibacterial itching-relieving plant composition is 2-10%.
The invention also discloses application of the bacteriostatic itching-relieving plant composition in bath foam, wherein the bath foam containing the bacteriostatic itching-relieving plant composition at least comprises, by weight, 10-20 parts of AES, 10-15 parts of amino acid surfactant, 2-5 parts of the bacteriostatic itching-relieving plant composition, 7-15 parts of glycerol, 0.02-0.5 part of preservative, 0.5-4 parts of thickening agent, 0.001-0.5 part of essence and 40-70 parts of deionized water.
Further, the amino acid surfactant is sodium lauroyl glutamate; the thickening agent is hydroxypropyl methyl cellulose.
Further, the preservative is a compound product of phenoxyethanol and sodium phenylpropionate.
The invention also discloses an application of the plant composition for bacteriostasis and relieving itching in body milk, wherein the body milk containing the plant composition for bacteriostasis and relieving itching at least comprises, by weight, 2-10 parts of an emulsifier, 10-20 parts of an emollient, 5-8 parts of the plant composition for bacteriostasis and relieving itching, 8-11 parts of a humectant, 0.1-0.5 part of a thickener, 0.01-0.1 part of a pH regulator, 0.05-1 part of a preservative, 0.001-0.1 part of an essence and 40-60 parts of deionized water.
Further, the emulsifier is one or more of cetearyl olive oleate, lecithin hydroxyethyl acrylate and cetearyl alcohol; the emollient is one or more of shea butter, polydimethylsiloxane, camellia seed oil and caprylic triglyceride; the humectant is one or more of dipropylene glycol, glycerol, betaine and sodium hyaluronate; the thickening agent is xanthan gum; the pH regulator is EDTA disodium; the preservative is sodium benzoate.
Further, the preparation method of the body lotion containing the bacteriostatic itching-relieving plant composition comprises the following steps:
(1) weighing emulsifier and emollient, adding into oil phase pan, mixing to obtain phase A raw material, and heating to 80-85 deg.C;
(2) adding deionized water, thickener and humectant into water phase pot, mixing to obtain phase B, and heating to 80-85 deg.C.
(3) Sequentially pumping A, B phase raw materials into an emulsifying pot, and homogenizing and stirring at 3000r/min for 15 min; keeping the temperature for 15min, and then cooling, and keeping the vacuum degree at-0.08 MPa;
(4) cooling to 45-50 deg.C, adding antibacterial and antipruritic plant composition, pH regulator, antiseptic, and essence, and mixing to obtain body lotion containing antibacterial and antipruritic plant composition.
Compared with the prior art, the invention has the following beneficial effects:
1. the bacteriostatic itching-relieving plant composition is prepared by compounding three excellent natural product extracts of an underleaf pearl extract, a Chinese violet extract and a spreading hedyotis herb extract, wherein the underleaf pearl extract mainly contains chemical components such as tannins, flavonoids, lignans, organic acids, terpenes, steroids, polyphenols and the like, and phenolic hydroxyl of the underleaf pearl extract can destroy cell membranes of microorganisms, so that proteins in the cells are denatured, and the activities of a respiring enzyme system and an electron transfer enzyme system of the microbial cells can be inhibited, so that the bactericidal and bacteriostatic effects are achieved; the Chinese violet extract mainly contains polysaccharide, water-soluble minerals and the like, wherein the polysaccharide is used as a natural moisturizing factor, can obviously promote the skin moisturizing capability, repair skin surface barriers, reduce the loss of water through the epidermis, keep the skin moist and healthy, enhance the resistance of the skin to external stimulation, reduce the skin sensitivity, solve the problem of pruritus caused by dry skin, and more minerals can activate cells and enhance the osmotic absorption effect of the skin on active ingredients such as polyphenol, alkaloid, polysaccharide and flavonoid in the Chinese herbal medicine composition; the oldenlandia diffusa contains organic acids and flavonoids which have strong bacteriostatic action and have most obvious bactericidal action and bacteriostatic action on staphylococcus aureus, and the staphylococcus aureus is one of bacteria causing pruritus on the surface of skin; in addition, the flavonoids have oxidation resistance, can resist excessive free radicals caused by environmental stimulation, reduce the damage of external factors such as ultraviolet rays and the like to the skin, promote the collagen proliferation and angiogenesis of the dermis of the skin, repair the deep injury of the dermis of the skin and maintain the healthy and young state of the skin; therefore, the phyllanthus urinaria and the oldenlandia diffusa can eliminate or inhibit bacteria on the surface of the skin in the use process, the Chinese violet extract can activate cells on the surface layer of the skin, assist absorption and permeation of functional components of the phyllanthus urinaria and the oldenlandia diffusa, improve the stability of the efficacy, and the polysaccharide contained in the extract generally has good anti-inflammatory activity and moisturizing effect, so that the skin barrier is repaired while the skin inflammation is relieved, and the synergistic effect of the skin barrier from the outside to the inside and from the inside to the outside is achieved.
2. The effective anti-inflammatory and bacteriostatic components such as alkaloids contained in perfoliate knotweed, amur corktree bark and lightyellow sophora root are used for preparing the extract, so that the extract has excellent effects of calming and relieving itching, the perfoliate knotweed, the amur corktree bark and the lightyellow sophora root which are subjected to low-temperature freeze-thaw treatment are extracted in a water vapor extraction device until no essential oil appears, all water-soluble substances in a plant body are respectively blended into the three extracts, and about 0.3-0.5% of water-soluble components of the essential oil are contained, so that the fragrance of the essential oil can be still kept, the essential oil does not need to be added, meanwhile, the three extracts contain plant essences which are not contained in the essential oil, such as tannic acid and flavonoid, so that the liquid of the extracts has the effect of conditioning the skin, and the liquid of the extracts is easier to; wherein the perfoliate knotweed contains organic acids such as behenyl phenol, methyl caffeate, caffeic acid, protocatechuic acid, p-coumaric acid and the like, not only can play a role in inhibiting bacteria and relieving itching with other components in a synergistic manner, but also can promote the metabolism of keratinocytes and remove the cutin; the main components of the phellodendron bark are alkaloids such as berberine, magnoflorine, phellodendrine, tetrandrine and the like, the phellodendron bark is added into a washing and protecting product to be beneficial to reducing the stimulation of surface active components to the skin, and a small amount of alkaloids can tighten capillary vessels and connective tissues when being combined with saponin and glycoside thereof, also has the effects of stimulating microcirculation, resisting inflammation and inhibiting bacteria, and is commonly used for treating the skin with the tendency of acne; the sophora flavescens belongs to tetracyclothiazine alkaloids, can inhibit the generation of ananaphylaxis factors such as TSLP (total TSLP), eotaxin and the like, inhibit the generation of pruritus, inhibit the release of inflammatory factors such as 5-hydroxytryptamine and the like by combining the sedative and antipruritic effects of flavonoid substances in other extracts, and synergistically improve the skin pruritus state.
3. The invention adopts liquid nitrogen low-temperature extraction treatment to the whole plant of phyllanthus urinaria, perfoliate knotweed, phellodendron bark, lightyellow sophora root, Chinese violet and spreading hedyotis herb, breaks plant cell walls under the state of repeated freeze thawing, enables all components in the plant cell walls to flow out, ensures that active ingredients in the plant cell walls can be retained to the maximum extent under the low-temperature state, improves the utilization rate of medicinal materials and greatly shortens the time of the subsequent extraction process.
4. According to the invention, the Phyllanthus urinaria L extract, the Viola yedoensis Makino extract and the Hedyotis diffusa Makino extract are used as a main reaction system, and the perfoliate knotweed herb extract, the phellodendron amurense extract and the sophora flavescens ait are used as auxiliary reaction systems to be compounded to obtain the plant composition, wherein an extracting solution formed by the main reaction system and an extracting solution formed by the auxiliary reaction systems can be mutually used as secondary extraction solvents to prepare the plant composition, and effective components dissolved in alcohol in the extracts can be combined with water-soluble components in the extracts, so that the compound system is more stable, is suitable for being added into formulas of various formulations, and has wider.
Detailed Description
In order to better understand the present invention, the following embodiments are further described, the examples are only used for explaining the present invention, and do not limit the present invention in any way; unless otherwise specified, the raw materials used in the examples are commercially available except for the bacteriostatic antipruritic important composition of the present invention.
Example 1
The bacteriostatic and itching-relieving plant composition comprises the following raw materials in parts by weight: 8 parts of common leafflower herb extract, 5 parts of perfoliate knotweed herb extract, 12 parts of amur corktree bark extract, 9 parts of lightyellow sophora root extract, 12 parts of Chinese violet extract, 4 parts of spreading hedyotis herb extract and 52 parts of deionized water.
The steps for preparing the bacteriostatic itching-relieving plant composition are as follows:
a preparation method of a bacteriostatic and itching-relieving plant composition specifically comprises the following steps:
(1) pretreatment: cleaning whole plant of Phyllanthus urinaria, perfoliate knotweed, phellodendron, radix sophorae flavescentis, herba violae and oldenlandia diffusa, drying, crushing, sieving with a 30-mesh sieve, packaging the obtained Chinese herbal medicine powder with 100% terylene cloth, quickly freezing in liquid nitrogen in a Dewar bottle, quickly taking out after 1min, putting into a boiling water solution, unfreezing for 12min, and freezing-unfreezing repeatedly;
(2) respectively putting the underleaf pearl powder and the oldenlandia diffusa powder which are subjected to low-temperature freeze thawing treatment into containers, adding 5 times of ethanol solution with the mass concentration of 75%, leaching at room temperature, shaking once every 2.5 hours, performing suction filtration after 6 hours, and collecting filtrate; repeatedly leaching for 1 time, mixing filtrates, placing in a rotary evaporation evaporator at 65 deg.C and 0.90atm, concentrating under reduced pressure, and evaporating to remove solvent to obtain Phyllanthus urinaria extract and herba Hedyotidis Diffusae extract;
(3) adding distilled water into the herba Violae powder subjected to low-temperature freeze thawing treatment according to the solid-to-liquid ratio of 1:20, extracting for 3 times by using a condensation reflux method, setting the temperature of a water bath kettle to be 70 ℃, and setting the time for single extraction to be 2.5 h; filtering under reduced pressure after each extraction is finished, combining the two filtrates, transferring the combined filtrates into a rotary evaporator, concentrating the combined filtrates under reduced pressure to one third of the volume of the original solution, adding 3 times of 85% ethanol into the concentrated mixed solution for precipitation for 26 hours, filtering under reduced pressure, and drying the obtained precipitate in a vacuum freeze dryer to obtain the herba Violae extract;
(4) extracting herba Polygoni Perfoliati, cortex Phellodendri and radix Sophorae Flavescentis after low temperature freeze thawing treatment in a steam extraction device until no essential oil appears, and separating essential oil and extract to obtain herba Polygoni Perfoliati extract, cortex Phellodendri extract and radix Sophorae Flavescentis extract respectively;
(5) the perfoliate knotweed herb extract, the phellodendron extract, the sophora flavescens extract, the Chinese violet extract, the spreading hedyotis herb extract and deionized water are mixed according to the weight ratio of the raw materials to obtain the traditional Chinese medicine extract with the functions of inhibiting bacteria and relieving itching.
Example 2
The bacteriostatic and itching-relieving plant composition comprises the following raw materials in parts by weight: 5 parts of common leafflower herb extract, 3 parts of perfoliate knotweed herb extract, 6 parts of amur corktree bark extract, 5 parts of lightyellow sophora root extract, 8 parts of Chinese violet extract, 3 parts of spreading hedyotis herb extract and 70 parts of deionized water.
The steps for preparing the bacteriostatic itching-relieving plant composition are as follows:
a preparation method of a bacteriostatic and itching-relieving plant composition specifically comprises the following steps:
(1) pretreatment: cleaning whole plant of Phyllanthus urinaria, perfoliate knotweed, phellodendron, radix sophorae flavescentis, herba violae and oldenlandia diffusa, drying, crushing, sieving with a 30-mesh sieve, packaging the obtained Chinese herbal medicine powder with 100% terylene cloth, quickly freezing in liquid nitrogen in a Dewar bottle, quickly taking out after 1min, putting into a boiling water solution, unfreezing for 10min, and freezing-unfreezing repeatedly;
(2) respectively putting the phyllanthus urinaria powder and the oldenlandia diffusa powder which are subjected to low-temperature freeze thawing treatment into containers, adding 5 times of ethanol solution with the mass concentration of 75%, leaching at room temperature, shaking once every 2 hours, performing suction filtration after 6 hours, and collecting filtrate; repeatedly leaching for 1 time, mixing filtrates, placing in rotary evaporation evaporator at 60 deg.C under 0.95atm, concentrating under reduced pressure, and evaporating to remove solvent to obtain Phyllanthus urinaria extract and herba Hedyotidis Diffusae extract;
(3) adding distilled water into the herba Violae powder subjected to low-temperature freeze thawing treatment according to the solid-to-liquid ratio of 1:20, extracting for 3 times by using a condensation reflux method, setting the temperature of a water bath kettle to be 70 ℃, and setting the time for single extraction to be 2 hours; filtering under reduced pressure after each extraction is finished, combining the two filtrates, transferring the combined filtrates into a rotary evaporator, concentrating the combined filtrates under reduced pressure to one third of the volume of the original solution, adding 3 times of 85% ethanol into the concentrated mixed solution for precipitation for 24 hours, filtering under reduced pressure, and drying the obtained precipitate in a vacuum freeze dryer to obtain the herba Violae extract;
(4) extracting herba Polygoni Perfoliati, cortex Phellodendri and radix Sophorae Flavescentis after low temperature freeze thawing treatment in a steam extraction device until no essential oil appears, and separating essential oil and extract to obtain herba Polygoni Perfoliati extract, cortex Phellodendri extract and radix Sophorae Flavescentis extract respectively;
(5) the perfoliate knotweed herb extract, the phellodendron extract, the sophora flavescens extract, the Chinese violet extract, the spreading hedyotis herb extract and deionized water are mixed according to the weight ratio of the raw materials to obtain the traditional Chinese medicine extract with the functions of inhibiting bacteria and relieving itching.
Example 3
The bacteriostatic and itching-relieving plant composition comprises the following raw materials in parts by weight: 10 parts of common leafflower herb extract, 10 parts of perfoliate knotweed herb extract, 15 parts of amur corktree bark extract, 10 parts of lightyellow sophora root extract, 9 parts of Chinese violet extract, 6 parts of spreading hedyotis herb extract and 37 parts of deionized water.
The steps for preparing the bacteriostatic itching-relieving plant composition are as follows:
a preparation method of a bacteriostatic and itching-relieving plant composition specifically comprises the following steps:
(1) pretreatment: cleaning whole plant of Phyllanthus urinaria, perfoliate knotweed, phellodendron, radix sophorae flavescentis, herba violae and oldenlandia diffusa, drying, crushing, sieving with a 30-mesh sieve, packaging the obtained Chinese herbal medicine powder with 100% terylene cloth, quickly freezing in liquid nitrogen in a Dewar bottle, quickly taking out after 2min, putting into a boiling water solution, unfreezing for 12min, and freezing-unfreezing repeatedly;
(2) respectively putting the phyllanthus urinaria powder and the oldenlandia diffusa powder which are subjected to low-temperature freeze thawing treatment into containers, adding 5 times of ethanol solution with the mass concentration of 75%, leaching at room temperature, shaking once every 3 hours, performing suction filtration after 6 hours, and collecting filtrate; repeatedly leaching for 1 time, mixing filtrates, placing in a rotary evaporation evaporator at 65 deg.C and 0.90atm, concentrating under reduced pressure, and evaporating to remove solvent to obtain Phyllanthus urinaria extract and herba Hedyotidis Diffusae extract;
(3) adding distilled water into the herba Violae powder subjected to low-temperature freeze thawing treatment according to the solid-to-liquid ratio of 1:20, extracting for 3 times by using a condensation reflux method, setting the temperature of a water bath kettle to be 75 ℃, and setting the time for single extraction to be 3 h; filtering under reduced pressure after each extraction is finished, combining the two filtrates, transferring the combined filtrates into a rotary evaporator, concentrating the combined filtrates under reduced pressure to one third of the volume of the original solution, adding 3 times of 85% ethanol into the concentrated mixed solution for precipitation for 30 hours, filtering under reduced pressure, and drying the obtained precipitate in a vacuum freeze dryer to obtain the herba Violae extract;
(4) extracting herba Polygoni Perfoliati, cortex Phellodendri and radix Sophorae Flavescentis after low temperature freeze thawing treatment in a steam extraction device until no essential oil appears, and separating essential oil and extract to obtain herba Polygoni Perfoliati extract, cortex Phellodendri extract and radix Sophorae Flavescentis extract respectively;
(5) the perfoliate knotweed herb extract, the phellodendron extract, the sophora flavescens extract, the Chinese violet extract, the spreading hedyotis herb extract and deionized water are mixed according to the weight ratio of the raw materials to obtain the traditional Chinese medicine extract with the functions of inhibiting bacteria and relieving itching.
Example 4
The bath foam containing the plant composition with the functions of inhibiting bacteria and relieving itching at least comprises, by weight, 15 parts of AES, 10-15 parts of sodium lauroyl glutamate, 4 parts of the plant composition with the functions of inhibiting bacteria and relieving itching, 10 parts of glycerol, 0.15 part of phenoxyethanol, 0.2 part of sodium benzoate, 2 parts of hydroxypropyl methyl cellulose, 0.02 part of essence and 70 parts of deionized water.
Example 5
The bath foam containing the plant composition for inhibiting and relieving itching at least comprises, by weight, 20 parts of AES, 15 parts of sodium lauroyl glutamate, 5 parts of the plant composition for inhibiting and relieving itching, 15 parts of glycerol, 0.2 part of phenoxyethanol, 0.3 part of sodium benzoate, 4 parts of hydroxypropyl methyl cellulose, 0.5 part of essence and 40 parts of deionized water.
Example 6
The bath foam containing the plant composition with the functions of inhibiting bacteria and relieving itching at least comprises, by weight, 10 parts of AES, 13 parts of sodium lauroyl glutamate, 2 parts of the plant composition with the functions of inhibiting bacteria and relieving itching, 7-parts of glycerol, 0.01 part of phenoxyethanol, 0.01 part of sodium benzoate, 0.5 part of thickening agent, 0.001 part of essence and 60 parts of deionized water.
Example 7
The preparation method of the bath foam containing the bacteriostatic and itching-relieving plant composition in the embodiments 4 to 6 comprises the following steps:
(1) weighing a certain weight part of deionized water, adding into a batching pot, heating to 75 ℃, sequentially adding a certain weight part of AES, an amino acid surfactant, glycerol, a traditional Chinese medicine bacteriostatic itching-relieving agent and a thickening agent, and uniformly mixing;
(2) after all the raw materials are dissolved, starting cooling water for cooling, stirring at the speed of 50r/min, adding a certain weight part of essence and preservative when the temperature is 45 ℃, and continuously cooling to 35 ℃ to obtain the bath foam containing the bacteriostatic and itching-relieving plant composition.
Example 8
The application of the bacteriostatic itching-relieving plant composition in body milk comprises the raw materials of, by weight, 8 parts of an emulsifier, 15 parts of an emollient, 6 parts of the bacteriostatic itching-relieving plant composition, 10 parts of a humectant, 0.2 part of a thickener, 0.05 part of a pH regulator, 0.08 part of a preservative, 0.05 part of an essence and 50 parts of deionized water.
Further, the emulsifier is 8 parts of cetearyl alcohol; the emollient is 8 parts of shea butter, 5 parts of camellia seed oil and 2 parts of caprylic triglyceride; the humectant is 10 parts of sodium hyaluronate; 0.2 part of xanthan gum is used as the thickening agent; the pH regulator is 0.05 part of EDTA disodium; the preservative is 0.08 part of sodium benzoate.
Example 9
The application of the bacteriostatic itching-relieving plant composition in body milk comprises the raw materials of, by weight, 2 parts of an emulsifier, 10 parts of an emollient, 5 parts of the bacteriostatic itching-relieving plant composition, 8 parts of a humectant, 0.1 part of a thickener, 0.01 part of a pH regulator, 0.05 part of a preservative, 0.001 part of an essence and 40 parts of deionized water.
Further, the emulsifier is 2 parts of cetearyl olive oleate; the emollient is 7 parts of shea butter, 1 part of polydimethylsiloxane and 2 parts of camellia seed oil; the humectant is 3 parts of dipropylene glycol, 2 parts of glycerol and 3 parts of betaine; the thickening agent is 0.1 part of xanthan gum; the pH regulator is 0.01 part of EDTA disodium; the preservative is 0.05 part of sodium benzoate.
Example 10
The application of the bacteriostatic itching-relieving plant composition in body milk comprises the raw materials of, by weight, at least 10 parts of an emulsifier, 20 parts of an emollient, 8 parts of the bacteriostatic itching-relieving plant composition, 11 parts of a humectant, 0.5 part of a thickener, 0.1 part of a pH regulator, 1 part of a preservative, 0.1 part of an essence and 60 parts of deionized water.
Further, the emulsifier is 5 parts of cetearyl olive oleate, 2 parts of lecithin hydroxyethyl acrylate and 3 parts of cetearyl alcohol; the emollient is 10 parts of shea butter, 3 parts of polydimethylsiloxane, 4 parts of camellia seed oil and 3 parts of caprylic triglyceride; the humectant is 1 part of dipropylene glycol, 2 parts of glycerol and 8 parts of sodium hyaluronate; the thickening agent is 0.5 part of xanthan gum; the pH regulator is 0.1 part of EDTA disodium; the preservative is 1 part of sodium benzoate.
Example 11
The preparation method of the body lotion containing the bacteriostatic and antipruritic plant composition in the embodiments 9 to 10 comprises the following steps:
(1) weighing emulsifier and emollient, adding into oil phase pan, mixing to obtain phase A raw material, and heating to 80-85 deg.C;
(2) adding deionized water, thickener and humectant into water phase pot, mixing to obtain phase B, and heating to 80-85 deg.C.
(3) Sequentially pumping A, B phase raw materials into an emulsifying pot, and homogenizing and stirring at 3000r/min for 15 min; keeping the temperature for 15min, and then cooling, and keeping the vacuum degree at-0.08 MPa;
(4) cooling to 45-50 deg.C, adding antibacterial and antipruritic plant composition, pH regulator, antiseptic, and essence, and mixing to obtain body lotion containing antibacterial and antipruritic plant composition.
Evaluation experiment
1. Evaluation of physical and chemical indexes
The characteristics are as follows: the bacteriostatic and antipruritic plant compositions prepared according to the raw material formulas of examples 1 to 3 were observed to have uniform texture, light plant fragrance, and light green liquid.
Checking the pH value: the bacteriostatic and antipruritic plant compositions prepared according to examples 1 to 3 were measured at 25 ℃ by a pH meter, respectively, and the pH values were all measured to be weak acids between 5.2 and 6.5.
Cold resistance test: the bacteriostatic and antipruritic plant compositions prepared according to examples 1 to 3 were respectively sealed in containers, kept in a refrigerator at-4 ℃ for 24 hours, and recovered to room temperature, and then the differences in asexual shape from those before the test were obtained.
Heat resistance test: the bacteriostatic and antipruritic plant compositions prepared according to examples 1 to 3 are respectively filled in containers and sealed, kept in a thermostat at 40 ℃ for 24 hours, and no oil separation and water separation phenomenon occurs after the room temperature is recovered.
And (3) centrifugal test: the bacteriostatic and itching-relieving plant compositions prepared according to the examples 1 to 3 are respectively placed in a centrifuge at 3500r/min and centrifuged for 30min, and no layering phenomenon exists.
The bacteriostatic and antipruritic plant compositions prepared according to examples 1 to 3 were sterilized, separately sealed and packaged, and stored at room temperature, and the plant compositions were considered to be stable without mildew and odor after three months.
2. Security assessment
Test subjects: bacteriostatic and antipruritic botanical compositions prepared according to example 1.
The test population: 40, between 15-30 years old, 20 women, 20 men.
The healthy subject has no allergic history of skin diseases and accords with the volunteer selection standard of the subject.
The spot pasting method comprises the following steps: selecting a qualified spot tester, and putting about 0.020-0.025 g of a tested object into the spot tester in a closed spot test mode, wherein a control hole is blank; the sample and blank control were applied to the curved side of the forearm of the subject for 24h, the patch was removed and the interval was 30min, and the skin reaction was observed after the indentation disappeared. And observing the skin reaction once again after 24h and 48h of the patch test respectively, and recording the result according to the skin reaction grading standard in the cosmetic hygiene standard.
TABLE 1 skin grading Standard
The result of the human body skin patch test shows that 40 subjects pass the plant composition patch test of the invention, and observe skin reaction after 24 hours, wherein 0 case has adverse skin reaction, which indicates that the plant composition used in the test is safe.
3. Test for antibacterial Effect
The tested strains: staphylococcus aureus, Escherichia coli, Candida albicans
Test subjects: bacteriostatic and antipruritic plant compositions prepared in examples 1 to 3.
The test method comprises the following steps: dissolving the slant bacteria cultured in advance in 3ml sterile water in an ultra-clean bench, pouring the bacteria liquid into a clean conical flask for later use, sucking 150 mul of the bacteria liquid and a disposable culture medium by a pipette gun, and uniformly coating the bacteria liquid by an applicator. Sealing the culture medium with sealing film, placing the culture medium in a constant temperature incubator at 37 deg.C for one day without turning over. Slightly placing the sterilized Oxford cup on a culture medium in a clean bench, accurately weighing 0.05g of sample, adding the sample into the Oxford cup, placing the Oxford cup into a constant-temperature incubator at 37 ℃ for two days without sealing and reversing the culture medium, and measuring the inhibition zone.
The results are shown in table 2 below:
TABLE 2 botanical composition zone of inhibition record
Group of | Staphylococcus aureus | Escherichia coli | Candida albicans |
Example 1 | 19.0mm | 15.0mm | 18.0mm |
Example 2 | 14.0mm | 13.5mm | 11.0mm |
Example 3 | 15.0mm | 12.0mm | 13.0mm |
According to the judgment standard of the antibacterial ring test: the diameter of the antibacterial ring is more than 20mm, so that the antibacterial ring is extremely sensitive; high sensitivity is achieved when the thickness is 15-20 mm; 10-15 mm, medium sensitivity; 7-9 mm is low sensitivity; less than 7mm, was not sensitive. As can be seen from the table, examples 1, 2 and 3 all have good inhibitory effects on Staphylococcus aureus, Escherichia coli and Candida albicans, and the overall effect of example 1 is the best, wherein example 1 has the greatest inhibitory effect on Staphylococcus aureus, which is the main bacterial strain causing itch in human body. The invention has good antibacterial effect, thereby achieving the effect of relieving itching.
4. Itching relieving effect research-histamine phosphate itching relieving method
4.1 Experimental materials
Experimental animals: 32 guinea pigs, half male and female, 350 + -20 g.
And (3) testing a sample: the amount of bacteriostatic and antipruritic botanical composition prepared according to example 1: the high dose group is 1.0 g/Kg; the medium dose group is 0.6 g/Kg; the low dose group was 0.2 g/Kg.
Model control group: and (4) distilled water.
4.2 Experimental methods
(1) 32 guinea pigs were collected, shaved on the dorsum of the right and rear feet 1 day before the experiment, and randomly divided into 4 groups, i.e., the bacteriostatic and antipruritic plant composition high dose group, medium dose group, low dose group and model control group prepared in example 1.
(2) And uniformly smearing the corresponding dosage sample and the model control group on the shaved part respectively for 2 days.
(3) On the 3 rd day of the experiment, a proper amount of histamine phosphate is precisely weighed and prepared into … … gradient concentrations with the volume percentage of 0.01 percent, 0.02 percent, 0.03 percent and 0.04 percent by using distilled water for standby application before use; scratching the shaved part of the right hind instep of the guinea pig with coarse sand paper to an area of about 1cm2, topically applying the medicine for 1 time, dripping 0.01% histamine phosphate 0.05mL at the scratched part 10min after the last application, and gradually increasing the concentration according to 0.01%, 0.02%, 0.03% and 0.04% … … every 3 min, wherein each time is 0.05 mL; until the guinea pig licks the right hind paw, the scratchiness threshold was determined as the average of the total amount of histamine phosphate dripped when the guinea pig licks the right hind paw.
(4) The itch thresholds were calculated for each group and the differences between groups were compared.
TABLE 3 Effect of Histamine Phosphorate in Guinea pigs on the itchy response (x. + -.s, n. RTM. 6)
Group of | Dosage (g/kg) | Itch threshold (mug) |
Model set | 0 | 25.8±13.6 |
High dose in sample groups | 1.0 | 104.8±15.7* |
Dose in sample group | 0.6 | 81.4±10.1 |
Low dose in sample group | 0.2 | 44.6±6.7 |
Note: p <0.05, p <0.01 compared to model controls.
As can be seen from the above table, the sample group had a significant inhibitory effect on the itch-induced reaction of guinea pig histamine phosphate compared to the model group (. about.p < 0.05). Wherein, the plant composition prepared in example 1 has a significant inhibitory effect (/ p < 0.05); the inventor uses the bacteriostatic and antipruritic plant compositions prepared in the embodiments 2 and 3 to carry out the same experiment, and obtains the same conclusion; the plant composition prepared by the invention has good itching relieving effect.
5. The bath foam containing the bacteriostatic and antipruritic plant composition prepared in example 5 and the body lotion containing the bacteriostatic and antipruritic plant composition prepared in example 8 were subjected to the applicability test as follows:
5.1 subjects: 50 sensitive and itching-prone volunteers aged 18-60 years have a male-female ratio of 1: 1.
5.2 Experimental methods: the composition is divided into two groups, wherein the volunteers in the experimental group take bath with bath lotion containing antibacterial and antipruritic composition at night for 30 days, and the experimental group II uses bath lotion and body lotion for 30 days. The total score of the using effect of each item is 5, and 5 is the highest score, so that the score is better and very satisfactory; 4, the classification is very good; 3 is acceptable; 2, the classification is not good and cannot be accepted; 1 score was very poor and completely intolerable, with the results shown in Table 4 below:
table 4 usage effect scoring
Effects of use | Experiment set 1 | Experiment group two |
Feeling of tightness of skin | 4.6 | 4.8 |
Can be used for treating skin redness | 4.3 | 4.4 |
Can be used for treating skin red swelling | 4.4 | 4.4 |
Solves the skin pimple | 4.3 | 4.6 |
Solving the problem of skin dermatitis (not damaged) | 4.1 | 4.2 |
As can be seen from the table above, the bath foam and the body lotion prepared from the plant composition for inhibiting bacteria and relieving itching have good moisturizing and itching relieving effects, and can effectively solve the problem of skin itching in daily life. And the bath foam is matched with the body lotion for use, has better effect and is particularly suitable for people with sensitive skin and easy pruritus.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The bacteriostatic and itching-relieving plant composition is characterized by comprising the following raw materials in parts by weight: 5-10 parts of phyllanthus urinaria extract, 3-10 parts of perfoliate knotweed extract, 6-15 parts of phellodendron extract, 5-10 parts of sophora flavescens extract, 8-12 parts of philippine violet herb extract, 3-6 parts of spreading hedyotis herb extract and 37-70 parts of deionized water.
2. The preparation method of the bacteriostatic and antipruritic plant composition according to claim 1, which comprises the following steps:
(1) pretreatment: cleaning and drying whole phyllanthus urinaria, perfoliate knotweed herb, golden cypress, lightyellow sophora root, Chinese violet and spreading hedyotis herb, crushing and sieving by a 30-mesh sieve, packaging the obtained Chinese herbal medicine powder by 100% terylene cloth, placing the packaged Chinese herbal medicine powder into liquid nitrogen in a Dewar bottle, quickly freezing the packaged Chinese herbal medicine powder for 1 to 2min, quickly taking the packaged Chinese herbal medicine powder out, putting the packaged Chinese herbal medicine powder into a boiling water solution, unfreezing the Chinese herbal medicine powder for 10 to 12min, and carrying out freezing;
(2) respectively putting the phyllanthus urinaria powder and the oldenlandia diffusa powder which are subjected to low-temperature freeze thawing treatment into containers, adding 5 times of ethanol solution with the mass concentration of 75%, leaching at room temperature, shaking once every 2-3 h, performing suction filtration after 6h, and collecting filtrate; repeatedly leaching for 1 time, combining filtrates, placing in a rotary evaporator at 60-65 deg.C under 0.90-0.95 atm, concentrating under reduced pressure, and evaporating to remove solvent to obtain Phyllanthus urinaria extract and herba Hedyotidis Diffusae extract;
(3) adding distilled water into the Chinese violet powder subjected to low-temperature freeze thawing treatment according to the solid-to-liquid ratio of 1:20, extracting for 3 times by using a condensation reflux method, setting the temperature of a water bath kettle to be 70-75 ℃, and setting the time for single extraction to be 2-3 h; filtering under reduced pressure after each extraction is finished, combining the two filtrates, transferring the combined filtrates into a rotary evaporator, concentrating the combined filtrates under reduced pressure to one third of the volume of the original solution, adding 3 times of 85% ethanol in the concentrated mixed solution for precipitation for 24-30 h, filtering under reduced pressure, and drying the obtained precipitate in a vacuum freeze dryer to obtain the herba violae extract;
(4) extracting herba Polygoni Perfoliati, cortex Phellodendri and radix Sophorae Flavescentis after low temperature freeze thawing treatment in a steam extraction device until no essential oil appears, and separating essential oil and extract to obtain herba Polygoni Perfoliati extract, cortex Phellodendri extract and radix Sophorae Flavescentis extract respectively;
(5) mixing Phyllanthus urinaria extract, herba Polygoni Perfoliati extract, cortex Phellodendri extract, radix Sophorae Flavescentis extract, herba Violae extract, herba Hedyotidis Diffusae extract, and deionized water at a certain weight ratio to obtain Chinese medicinal extract with antibacterial and antipruritic effects.
3. The application of the bacteriostatic itching-relieving plant composition to the preparation of daily care products for skin pruritus as claimed in claim 1, wherein the bacteriostatic itching-relieving plant composition comprises the following components in percentage by weight: the addition amount of the bacteriostatic itching-relieving plant composition is 2-10%.
4. Use of a bacteriostatic antipruritic composition comprising the plant according to claim 1 in a body wash, wherein the plant comprises: the bath foam containing the plant composition for inhibiting and relieving itching at least comprises, by weight, 10-20 parts of AES, 10-15 parts of amino acid surfactant, 2-5 parts of the plant composition for inhibiting and relieving itching, 7-15 parts of glycerol, 0.02-0.5 part of preservative, 0.5-4 parts of thickener, 0.001-0.5 part of essence and 40-70 parts of deionized water.
5. The use of a herbal bacteriostatic antipruritic composition in a body wash according to claim 4 wherein: the amino acid surfactant is sodium lauroyl glutamate; the thickening agent is hydroxypropyl methyl cellulose.
6. The use of a herbal bacteriostatic antipruritic composition in a body wash according to claim 4 wherein: the preservative is a compound product of phenoxyethanol and sodium phenylpropionate.
7. Use in body milk of a bacteriostatic antipruritic botanical composition according to claim 1, characterized in that: the body lotion containing the bacteriostatic and antipruritic plant composition at least comprises, by weight, 2-10 parts of an emulsifier, 10-20 parts of an emollient, 5-8 parts of the bacteriostatic and antipruritic plant composition, 8-11 parts of a humectant, 0.1-0.5 part of a thickener, 0.01-0.1 part of a pH regulator, 0.05-1 part of a preservative, 0.001-0.1 part of an essence and 40-60 parts of deionized water.
8. The use of a bacteriostatic antipruritic composition comprising plant matter as claimed in claim 7 in body milk wherein: the emulsifier is one or more of cetearyl olive oleate, lecithin hydroxyethyl acrylate and cetearyl alcohol; the emollient is one or more of shea butter, polydimethylsiloxane, camellia seed oil and caprylic triglyceride; the humectant is one or more of dipropylene glycol, glycerol, betaine and sodium hyaluronate; the thickening agent is xanthan gum; the pH regulator is EDTA disodium; the preservative is sodium benzoate.
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