89 results about "Astringent" patented technology

The invention discloses a preparation technology of directional debitterizing yellow tea, and belongs to the technical field of tea processing. Fresh tea leaves are used as raw materials, the yellow tea is prepared through the processes of pretreatment, fermentation, fixation, rolling, heaping for yellowing and drying, during fermentation, a compound bacteria solution and the spread and aired fresh leaves are mixed and fermented, strains in the compound bacteria solution comprise lactic acid bacteria, saccharomycetes and bacillus, and through the synergistic effect of the lactic acid bacteria, the saccharomycetes and the bacillus, the yellow tea is prepared. Balancing of directional degradation of bitter and astringent substances and generation of flavor substances is achieved, high-quality yellow tea is prepared through efficient debitterizing, the stage heaping yellowing technology is adopted, primary heaping and secondary heaping are adopted for two-stage heaping yellowing, the quality of the yellow tea is enhanced, and poor taste caused by excessive heaping yellowing is avoided. According to the finished tea prepared by the preparation process, the content of tea polyphenol is reduced to 18%-20% through detection, the content of amino acid reaches 4.5%-5.0%, bitter taste and astringent taste are relieved, sweet taste is added, and the taste is mellow.

The invention belongs to the technical field of daily chemical products, and particularly relates to a hidroschesis, cooling and deodorization composition as well as a preparation method and application thereof. The hidroschesis, cooling and deodorization composition comprises the following components in parts by weight: 10-55 parts of zinc ricinoleate, 1-11 parts of a cooling agent and 10-55 parts of a plant extract, the plant extract is at least one of lemon fruit extract, equisetum arvense extract, mangnolia officinalis bark extract and phellinus linteus extract. The cooling, antiperspirant and deodorant composition provided by the invention takes the zinc ricinoleate, the menthol and the menthol oxypropylene glycol as main cooling and antiperspirant components, and is matched with various plant extracts to exert the auxiliary bacteriostatic, astringing, anti-allergy and anti-allergy effects; the effective synergistic effect is achieved in the aspects of hidroschesis, deodorization, bacteriostasis, astringency, allergy relieving and resisting and the like.

The invention discloses a pore astringing composition containing phellinus igniarius as well as a preparation method and application of the pore astringing composition, and belongs to the technical field of cosmetics. The pore astringing composition provided by the invention is prepared from the following components in parts by mass: 0.01 to 2 parts of radix gentianae extract, 0.1 to 10 parts of barley flour, 0.1 to 10 parts of phellinus linteus extract, 0.01 to 5 parts of trifolium pretense flower extract and 0.01 to 5 parts of flaxseed extract. The components with proper mass parts are selected, and the components are mutually cooperated, so that sebum secretion can be effectively regulated, peripilus cutin metabolism can be promoted, collagen regeneration can be promoted, and pores can be effectively refined, grease secretion can be reduced, and skin barrier can be improved when the composition is applied to a human body; the obtained pore smoothing effect, the effect of reducing grease secretion and the effect of improving the skin barrier are lasting, and the long-acting pore smoothing effect is achieved; in addition, the pore astringing composition provided by the invention is mild and non-irritant, and is suitable for people with sensitive skin.

The invention relates to a taste regulator as well as a preparation method and application thereof. The taste regulator can inhibit unpleasant tastes such as bitter taste and astringent taste in food. The taste regulator is formed by gathering edible polymers with specific polymerization degree and multivalent ions in a solution through multivalent weak interaction. More specifically, the preparation method of the taste sense regulator comprises the following steps: adjusting a solution of an edible polymer to a specific pH value, carrying out membrane treatment, adding a multivalent ion extract solution filtered by a membrane, and incubating at room temperature for a certain time to obtain the taste sense regulator. The taste modulators can be used in liquid, semi-solid, and solid foods to improve or mitigate unpleasant taste therein. Therefore, the taste regulator is a broad-spectrum bitterness and other peculiar smell inhibitor, and not only improves the sensory quality of food, but also improves the acceptability of people.

The invention discloses a green tea astringent grade prediction method, and relates to the field of green tea astringent prediction, and the method comprises the steps: employing a green tea astringent sample set to carry out the initial training of a random forest model, and obtaining a green tea astringent random forest prediction model; determining an SHAP value of each model input feature by adopting an SHAP analysis method, and screening the model input features according to the SHAP values to obtain high-contribution model input features; simplifying the green tea astringent sample set according to the high-contribution model input features, and performing secondary training on the random forest model to obtain an optimized green tea astringent random forest prediction model; wherein the input characteristics of the model are forty-two secondary metabolism components of the green tea, and the input characteristics of the high-contribution model are fifteen high-contribution secondary metabolism components of the green tea. According to the method, efficient and accurate prediction of the astringent taste grade of the green tea can be realized, and the credibility is relatively high.

The present application is applicable to the technical field of beverage brewing, and in particular, relates to a coffee brewing method, device, drip coffee machine and readable storage medium. The coffee brewing method is applied to a drip coffee machine, and the coffee brewing method comprises: obtaining coffee brewing parameters; judging whether the coffee brewing is likely to be over-extracted based on the coffee brewing parameters; if the coffee brewing is likely to be over-extracted, after injecting a target amount of water corresponding to the coffee brewing parameters into the coffee cup of the drip coffee machine, the coffee is brewed according to the coffee brewing parameters, thereby avoiding the bitterness and astringency of the brewed coffee due to possible over-extraction, and improving the taste of the coffee.

The invention relates to the technical field of traditional Chinese pharmacology, and particularly discloses an external liquid containing lime and alum for astringing sores and a preparation method of the external liquid. The external liquid containing lime and alum for healing sores is prepared from the following raw materials: lime, alum, water, a thickening agent, a cortex phellodendri extract, carbonized sanguisorba root powder, borneol and a pH regulator. The preparation method comprises the following steps: S1, preparing lime milk; s2, preparing an alum solution; s3, mixing reaction; s4, performing curing treatment; s5, blending; s6, refining: filtering the mixture obtained in S5, adding borneol and ethylparaben into the filtrate before filtering, and uniformly stirring to obtain the external liquid for healing sore. The external liquid containing lime and alum for healing sores can be used for treating various skin injuries such as skin ulcers, wounds, burns, eczema and postoperative wounds, and has the advantages of efficient astringency and hemostasis, antisepsis and anti-inflammation, promotion of wound healing, good system stability, comfort in use and high safety.

The present invention addresses the problem of providing a cacao-containing food and drink in which unpleasant taste, such as astringent taste or acridity, derived from a cacao raw material is suppressed. The present invention also addresses the problem of providing a cacao astringent taste inhibitor capable of suppressing unpleasant taste, such as astringent taste or acridity, derived from a cacao raw material. The present invention provides cacao-containing food and drink that contain a hydrolyzed protein decomposition product and in which the ratio of non-fat cacao solid content in a solid content is 16 mass% or more.

The application discloses a tissue culture and rapid propagation method for Yangmei of Alocasia macrorrhiza and a special combined culture medium thereof, and the method comprises the steps of sterilizing an explant, carrying out primary culture and subculture and proliferation culture in stages, wherein the primary culture is performed by first inoculating a stem segment into an induction culture medium containing 6-BA 0.8-1.2 mg / L, IBA 0.05-0.15 mg / L and PVP-40 to induce germination, and then transferring the stem segment into an elongation culture medium containing 6-BA 0.1-0.5 mg / L, NAA 0.01-0.05 mg / L and PVP-40 to promote elongation; the new shoots are then transferred into a subculture medium containing 6-BA 1.0-1.8 mg / L, NAA 0.1-0.2 mg / L, GA3 0.5-1.5 mg / L and PVP-40 to proliferate. The application effectively solves the technical problems that Yangmei is prone to brown and death, and it is difficult to simultaneously achieve budding and high growth by means of two-stage hormone stepwise regulation and cooperation with a brown prevention agent, and realizes efficient and large-scale breeding of high-quality seedlings.

The invention provides an agilawood leaf-containing sleep-aiding beverage and a preparation method thereof, the agilawood leaf-containing sleep-aiding beverage takes agilawood leaf, spina date seed, lily and longan as main raw materials, and is added with South African drunken solanum extract, shiitake mushroom theanine, crocetin nano-liposome and other components. The agilawood leaves are subjected to alkaline aqueous solution soaking debitterizing and CO2 supercritical degreasing, and the processes of raw material gradient extraction, nano-liposome preparation and the like are combined, so that a finished product is prepared. All the components have a synergistic effect, so that neurotransmitter is adjusted, brain circulation is improved, the sleep latency is effectively shortened, and the sleep duration is prolonged. Animal experiments and electronic tongue tests show that the beverage is remarkable in sleep aiding effect, smooth in taste, low in bitter taste and astringent taste and good in stability, and a natural and healthy sleep aiding beverage choice is provided for people suffering from mild sleep disorder.

The invention relates to tea powder with high aroma, low bitterness and rich thearubigins and a preparation method and application thereof, the preparation method comprises the following steps: crushing black tea leaves, adding the crushed black tea leaves into water, and stirring to obtain a tea fine powder suspension; adding a compound enzyme preparation into the tea fine powder suspension, performing enzymolysis and enzyme deactivation to obtain an enzymolysis tea liquid, performing constant-temperature extraction on the enzymolysis tea liquid at a first temperature, heating to a second temperature, performing constant-temperature extraction, and performing filtration and centrifugation to obtain a gradient extraction liquid; introducing nano bubbles into the gradient extraction liquid for oxidation, and controlling a reaction endpoint by monitoring indexes reflecting composition changes of oxidation products to obtain oxidized tea liquid; the oxidized tea liquid is subjected to adsorption, nanofiltration concentration and spray drying, and the high-aroma low-astringent-taste high-thearubigins tea powder is obtained. According to the preparation method disclosed by the invention, the beneficial effect of increasing the content of thearubigins in the tea powder is realized through technical coupling of multienzyme compounding synergy, low-temperature gradient extraction and nano-bubble controllable oxidation.

The invention belongs to the technical field of agricultural product processing, and particularly relates to clovershrub orange peel and a preparation method thereof. The preparation method comprises the following steps: (1) mixing and scenting the fresh clovershrub citrus peel and the tea leaves; and (2) reducing the water content of the scented pericarp to obtain the clovershrub orange peel. Compared with Dahongpao citrus dried orange peel prepared by a traditional preparation method (without tea scenting), the Dahongpao citrus dried orange peel prepared by the preparation method disclosed by the invention is better in taste, and the bitter taste and astringent taste of the Dahongpao citrus dried orange peel prepared by the traditional preparation method are reduced; the sweet taste is improved, the sweet aftertaste is sweet, and the unique cool taste similar to that of raw Pu'er tea is achieved.

The present invention belongs to the technical field of sewage treatment, and specifically provides a sludge deep conditioner composition and a method for deeply dewatering sludge by using the composition. By using a cell wall breaker, a protein astringent, and a modified tannin flocculant as raw materials and carrying out appropriate weight ratios, the finally prepared sludge deep conditioner composition can fully release the internal and external moisture of the sludge and improve the dehydration efficiency. The sludge conditioner composition of the present invention has a high degree of designability. During the conditioning process of excess sludge, the dosage of the agent is small and the dehydration effect is good. The molecular chain of the sludge deep conditioner composition of the present invention has a high density of cationic charges and strong electro-neutralization adsorption ability, and has a good flocculation effect, and can be applied to the conditioning of excess sludge.

The invention discloses a traditional Chinese and western medicine fusion data analysis system and method based on a multi-mode sensor, and belongs to the technical field of intelligent medical treatment. The system comprises: (1) a tongue diagnosis module, which collects tongue images through a multispectral camera (400-1000nm), and extracts HSV color features (resolution of 0.1 degree) and LBP texture features (radius of 3 pixels); the pulse diagnosis module (2) adopts a laser Doppler sensor (850nm) to obtain a radial artery signal, and extracts pulse position / pulse potential / pulse shape three-dimensional features (sample entropy lt, 1.2 represents chordwise astringent pulse) through wavelet transform; and (3) the data processing module inputs the tongue vein features, fasting blood glucose (blood glucose + / -0.3 mmol / L precision), C-reactive protein and other western medicine biochemical indexes into a fusion decision model, dynamically distributes traditional Chinese medicine and western medicine weights (for example, the traditional Chinese medicine weight is smaller than or equal to 40% when the C-reactive protein is larger than 10 mg / L) through a typhoid miscellaneous disease rule base and a random forest algorithm, and generates physical feature vectors for health state classification. Organic cooperation of traditional Chinese medicine physical sign quantitative analysis and western medicine evidence-based medicine is achieved, the early-stage diabetes screening accuracy rate is improved by 23.7% (compared with single-mode diagnosis), and the method is suitable for family health monitoring and traditional Chinese and western medicine combined diagnosis and treatment.

The present invention discloses a vomitoxin adsorbent, its preparation method and application, belonging to the field of feed additives. The vomitoxin adsorbent includes a carbonized intercalation composite material and an antibacterial component; the carbonized intercalation composite material uses montmorillonite powder as the main material, and chitosan is intercalated and compounded on the main material; the antibacterial component includes Bacillus subtilis, yeast cell wall, Isatis indigotica, Citrus reticulata Blanco, Lycium barbarum, Bupleurum chinense and Schisandra chinensis. The vomitoxin adsorbent prepared by the present invention integrates the characteristics of chitosan, sodium-based montmorillonite powder and Chinese herbal medicines in terms of antibacterial, anti-bacterial, astringent, mucosal repair, immune enhancement and adsorption of mycotoxins and forms a synergistic effect, which has good preventive and therapeutic effects on the contamination of vomitoxin in feed, can significantly reduce the negative effects brought by vomitoxin contamination, improve the growth efficiency, and can be widely applied in the field of feed additives. Moreover, the raw materials used are low-cost and easily available, have no residue, no drug resistance and no toxic and side effects, and have higher economic value in actual production.

The invention discloses antibacterial tinea-removing foot bath cream containing cajeput flavone extract and a preparation method of the antibacterial tinea-removing foot bath cream, and relates to the technical field of daily chemical products and traditional Chinese medicine preparations. The foot bath cream is prepared from the following components in percentage by weight: 5 to 10 percent of cajeput flavone extract, 1 to 3 percent of radix sophorae flavescentis extract, 0.5 to 1.5 percent of tea tree essential oil, 5 to 8 percent of cutin softening penetration enhancer, 1 to 3 percent of hidroschesis astringent, 15 to 25 percent of emulsified grease matrix, 8 to 12 percent of humectant, 0.1 to 0.3 percent of preservative, 0.2 to 0.5 percent of thickening stabilizer and the balance of water. The preparation method of the foot bath cream comprises the following steps: (1) preparing an oil phase; (2) preparing a water phase; (3) emulsifying and homogenizing; (4) adding components; (5) blending flavor and preventing corrosion; and (6) aging and filling. The cajeput flavone extract with good water solubility and high stability is adopted as a main component and is matched with the cutin softening penetration enhancer and other natural antibacterial components to construct a multi-component synergistic effect system, so that the product has the characteristics of naturalness, safety, mildness, durability and high efficiency.

The invention provides a traditional Chinese medicine ointment formula for treating gonitis and a preparation method thereof. Traditional Chinese medicine believes that knee arthralgia has symptoms of qi stagnation and blood stasis, liver and kidney deficiency and tendon and vessel obstruction. The symptoms include swelling and stabbing pain of knees, unfavorable flexion and extension, aggravated cold, soreness and weakness of waist and knees, dark tongue or ecchymosis and astringent pulse. In view of the problem, the traditional Chinese medicine ointment provided by the invention consists of trogopterus dung, corydalis tuber, Chinese angelica, white paeony root, pseudo-ginseng, safflower, peach kernel, nutgrass galingale rhizome, raw white mustard seed, eucommia bark, twotooth achyranthes root and honey-fried licorice root. The trogopterus dung breaks blood, the rhizoma corydalis promotes the circulation of qi, the rhizoma cyperi regulates the flow of qi, and the peach kernel and the safflower activate the blood, so that the effects of promoting the circulation of qi, activating blood and eliminating arthralgia are achieved. The traditional Chinese medicine composition is mainly used for promoting blood circulation to remove blood stasis, is supplemented by eucommia ulmoides and achyranthes bidentata to tonify the liver and kidney, eliminates evil without hurting vital energy, and accords with the pathogenesis of knee arthritis of deficiency in root and excess in superficies. The raw semen brassicae is pungent and dispersed and transdermal, and the radix achyranthis bidentatae guides the medicine to move downwards, so that the efficacy of the externally applied medicine reaches the muscles and bones, and the limitation of superficial efficacy of the traditional application is broken through.

Provided is a tea beverage which, despite containing chlorogenic acids and rutin, has suppressed astringent taste derived from chlorogenic acids, and enables the user to feel the original translucent aroma of the tea beverage. This tea beverage contains the following components (A), (B) and (C): (A) 0.010-0.60% by mass of chlorogenic acids, (B) one or more substances selected from the group consisting of Leu-Pro and cyclo (Leu-Pro), and (C) rutin, and the mass ratio of component (B) to component (A) [(B) / (A)] is from 0.020 * 10 <-4 > to 125 * 10 <-4 > (inclusive).

The invention discloses a processing method of a Wuyi rock tea drink based on a modified beta-lactoglobulin composite system, and belongs to the technical field of tea drink processing. Food-grade beta-lactoglobulin is subjected to glycosylation modification and then is compounded with xanthan gum to form the composite additive, the beta-lactoglobulin and astringent compounds such as tea polyphenol in tea soup are subjected to non-covalent binding, stable complex precipitates are formed, and the astringent taste of the tea soup is remarkably reduced; meanwhile, the modified beta-lactoglobulin and natural polysaccharides such as xanthan gum have a synergistic effect, so that the phenomena of precipitation (tea cheese) and turbidity in the storage process are effectively reduced, and the clarity of tea soup is improved to a certain extent, so that the flavor of the product is improved, and the shelf life of the product is greatly prolonged. The technological process is simple and easy to implement, and a solution with both quality and benefits is provided for the development of Wuyi rock tea drinks.

The invention relates to the technical field of burns and scalds, and discloses a formula of a composite traditional Chinese medicine pigmentum for repairing skin wounds caused by burns and scalds and a production process of an abelmoschus manihot flower oil solution matched with an elm and fragrant herbal powder formula. The powder part is prepared from the following raw materials in percentage by mass: 45 to 51 percent of radix sanguisorbae, 30 to 41 percent of goat manure, 3 to 4.6 percent of benzoin and 1 to 2.3 percent of borneol; the oiling agent part comprises the following raw materials in percentage by mass: 17% of abelmoschus manihot flowers and 83% of edible soybean oil. A protective film is formed by the sanguisorba officinalis soybean oil to cover active nerve endings, so that external stimulation is reduced, and pain is relieved more effectively; the borneol benzoin abelmoschus manihot flower is used for coping with wound infection; sanguisorba officinalis capable of detoxifying and astringing sores, goat manure capable of astringing fester, removing slough and promoting tissue regeneration, borneol benzoin capable of promoting qi to activate blood and soybean oil capable of moistening dryness and promoting tissue regeneration are utilized, so that the wound surface is quickly healed; the problem is solved from the source of scars by utilizing goat manure for astringing ulceration, removing slough and promoting granulation.

The invention discloses a preparation method of high-activity, stable and homogeneous ginseng fruit milk. The preparation method comprises the steps of ginseng fruit pretreatment, enzymolysis and aroma enhancement, gelatinization and milk homogenization, a compound enzyme preparation comprises pectinase and cellulase, and the method adopts double technologies of compound enzyme enzymolysis and aroma enhancement and starch gelatinization and embedding. The preparation method of the potentilla anserine milk can effectively mask the bad flavor of the ginseng fruits, improve the system stability, promote the dissolution of active ingredients and maximally retain the nutrition, thoroughly solves the problems of earthy smell and astringent taste of the ginseng fruits, and the obtained finished product milk is mellow and smooth in mouth feel, has the unique fragrance after the ginseng fruits and the milk are fused, and has a good market prospect. No bad peculiar smell exists.

The invention discloses a soothing gel composition and a preparation method thereof, and belongs to the technical field of gel. The soothing gel composition comprises the following components based on the total mass of the soothing gel composition: 8.5000% of a humectant; 5.9000% of a skin conditioning agent; 2.0000% of a surface active agent; 0.5300% of a thickening agent; 0.2000% of an astringent; 0.0800% of a preservative; 0.0500% of a repairing agent; 0.0003% of a coloring agent; 0.1130% of a soothing factor; 82.6267% of a solvent; the soothing factor is prepared from an abelmoschus esculentus flower extract, aloe barbadensis leaf juice, a scenedesmus sibiricus extract, a kalimeris crassifolia extract and sclerotium gum; the soothing effect of the soothing gel composition is improved through the synergistic interaction effect of the mallow flower extract, the aloe barbadensis leaf juice, the scenedesmus western extract, the kalimeris crassifolia extract and the sclerotium rolfsii gum.

The invention relates to the technical field of hydrogel preparation, in particular to polymer-polyacid-ferric chloride hydrogel as well as preparation and application thereof. In the hydrogel provided by the invention, the polymer is used as a framework material of the hydrogel, the polybasic acid is used as a cross-linking agent, and the ferric chloride is uniformly dispersed in the polymer; the prepared hydrogel has the property of generating different resistances according to different actions, has the property of responding to astringent substances such as polyphenol and the like, can detect the content of the astringent substances in movement and diet of the tongue, and provides a solution capable of solving the problem of tongue movement and astringent detection for corresponding patients; the data obtained by the hydrogel provided by the invention further allows data support to be provided for health monitoring and medical quality.

The invention discloses a photocatalytic double nanoenzyme gel dressing for wound healing. The invention uses a hydrothermal method to prepare an iron-doped molybdenum selenide nanomaterial, and uses the characteristics of the liquid part having reducing and photocatalytic activity, and the solid part having nanoenzyme simulating peroxidase activity. The liquid part is used as a reducing agent, combined with a white radish extract having astringent and hemostatic properties, and having antibacterial chitosan and polyethylene glycol as gel molecular skeletons, and the solid part nanoenzyme catalyzes the oxidation of phenolic substances in the white radish extract to prepare chitosan silver nanogel dressing. The prepared iron-doped molybdenum selenide has a strong simulated peroxidase activity of the photocatalytic defective nanoenzyme, produces toxic hydroxyl free radicals, and has the antibacterial effect of silver nano and gel base, achieving a high-efficiency antibacterial effect; at the same time, the iron-doped molybdenum selenide has a simulated superoxide dismutase activity, combined with the astringent and hemostatic effect of the white radish extract, the gel dressing can effectively heal wounds infected with bacteria.

The invention discloses a composition with effects of controlling oil, removing acnes and minimizing pores, a skin care product and a preparation method of the composition. The composition comprises the following components in parts by mass: 0.5-8 parts of white willow bark extract, 0.1-1 part of Guangxi curcuma zedoary extract, 0.5-4.5 parts of medicinal phellinus igniarius extract and 0.005-0.05 part of lysozyme. The composition is prepared from the following components in parts by mass: 0.5-8 parts of white willow bark extract, 0.1-1 part of Guangxi curcuma zedoary extract, 0.5-4.5 parts of medicinal phellinus igniarius extract and 0.005-0.05 part of lysozyme. The skin care product comprises the composition. According to the composition with the effects of controlling oil, removing acnes and minimizing pores, the skin care product and the preparation method of the composition, the water-oil balance of the skin can be adjusted, the acnes are removed, the oil is controlled, the pores are minimized, and the skin barrier is maintained.

A composition with efficacies of improving chronic wound healing, particularly diabetic wound healing, mainly selected from the group consisting of combinations of at least two of the following three components: (1) an anti-inflammatory agent selected from the group consisting of acteoside, isoacteoside and a combination thereof, (2) an astringent selected from the group consisting of gallic acid, subgallic acid, their salts and a combination thereof, and (3) a cooling agent selected from the group consisting of borneal, menthol and a combination thereof, and optionally combined with one or more pharmaceutically acceptable carriers. The present invention also provides use of said composition in the preparation of a medicament for treating a chronic wound, particularly a diabetic wound.

The invention discloses a method for enhancing fruity flavor by ageing wine in a specific stoneware pottery jar, and belongs to the technical field of wine production. According to the method, the wine is aged by using an unglazed pottery jar with a certain oxygen permeation rate instead of a traditional oak barrel, and a series of reactions such as an oxidation reaction and an esterification reaction in the aging process are promoted by a micro-aerobic environment. The fruit fragrance of pineapples, pears and the like in the grape wine can be obviously enhanced, and the anterior nose threshold value of various important fruit fragrance organic compounds is reduced. The method proves that the 2-acetyl-1H-pyrrole can obviously enhance the fruity flavor of the grape wine for the first time. Comparison experiments show that the red wine treated by the method is rich in fruity flavor, lower in green smell, astringent taste and bitter taste strength, softer in wine body and more harmonious in flavor.

This invention discloses a pore-tightening composition containing *Polyporus medica*, its preparation method, and its application, belonging to the field of cosmetic technology. The pore-tightening composition provided by this invention comprises the following components in parts by weight: 0.01-2 parts gentian root extract, 0.1-10 parts barley flour, 0.1-10 parts *Polyporus medica* extract, 0.01-5 parts red clover flower extract, and 0.01-5 parts flaxseed extract. By selecting appropriate parts by weight, this invention achieves synergistic effects among the components, effectively regulating sebum secretion, promoting keratinocyte metabolism, and promoting collagen regeneration. When applied to the human body, it effectively refines pores, reduces oil secretion, and enhances the skin barrier. Furthermore, the effects of refining pores, reducing oil secretion, and enhancing the skin barrier are relatively long-lasting, providing a long-lasting pore-refining effect. Moreover, the pore-tightening composition provided by this invention is gentle and non-irritating, suitable for people with sensitive skin.

A personal care composition comprising a personal care agent is described. The personal care agent comprises an optionally substituted benzenepropenoic acid. Also described is the optionally substituted benzenepropenoic acid that is optionally in combination with an ester of gallic acid. Methods and uses of the personal care composition for reducing or preventing perspiration, improving appearance, cleansing, controlling odor, or providing general aesthetics, are also described.

To reduce waste by utilizing the outer skin and astringent skin of chestnuts all at once, and to realize a drink made from chestnut skin powder that is healthy and easy to drink. [Solution] Chestnut skin powder is made primarily from the outer and inner skins of chestnuts, and is characterized by containing at least 50% by weight of dietary fiber. Also, a beverage is made primarily from chestnut skin powder, which is caffeine-free and has antioxidant properties.