46 results about "Green Tea Polyphenols" patented technology

The invention belongs to the technical field of health-care food, and particularly relates to functional milk assisting in lowering blood pressure and a preparation method thereof.The functional milk comprises, by weight, 99.5% of raw milk and 0.5% of a potassium ion bridged citrus fiber-green tea polyphenol network, raw milk is sequentially subjected to trypsin and proline specific incision enzyme treatment, HPCD-ultrasonic treatment and pulsed magnetic field treatment. The invention provides a systematic solution, which exceeds a simple extraction and addition mode in the prior art, and solves the stability problem of the antihypertensive active component in the processing and storage process.

The invention relates to the technical field of cosmetics, and discloses a high-efficiency mild depilation cosmetic and a preparation method thereof, and the raw materials of the depilation cosmetic comprise, by weight, 8-10% of bromelain; 10%-12% of a turmeric root extract; 9%-11% of a calendula extract; 6%-9% of an aloe extract; 4%-7% of a soybean extract; 7%-10% of calcium thioglycolate; 2%-5% of L-cysteine; 1%-3% of sodium bicarbonate; 3%-6% of green tea polyphenol; 2%-4% of a chamomile extract; 1%-3% of dipotassium glycyrrhizinate; 0.9%-2.3% of a peptide component; 0.5%-1% of rosmarinic acid; 1%-3% of vitamin E; 2%-4% of gluconic acid; 4%-5% of beewax; 5%-10% of an emulsifier; according to the invention, dipotassium glycyrrhizinate and the chamomile extract form a dual anti-allergy barrier, the physical protection effect of aloe polysaccharide is combined to reduce skin irritation, and the turmeric root extract and the peptide component prolong the hair follicle resting period and reduce the hair regeneration rate, so that the safer and more effective hair removal cosmetic is prepared.

The invention discloses an antibacterial and deodorant fiber, a preparation method and antibacterial and deodorant socks, and relates to the technical field of fibers.The preparation method of the antibacterial and deodorant fiber comprises the following steps that S1, chitosan, tannic acid, glacial acetic acid, modified zinc oxide, ZIF-8 / tea tree essential oil and glutaraldehyde are fully dispersed in water, and a core layer solution is obtained; s2, fully dispersing polyvinyl alcohol, epsilon-polylysine and green tea polyphenol in water to obtain a shell solution; and S3, injecting the core layer solution and the shell layer solution into a coagulating bath by a coaxial wet spinning method to prepare the antibacterial and deodorant fiber. The antibacterial and deodorizing fiber prepared by the invention has excellent antibacterial and deodorizing performance.

This application belongs to the field of biomedicine, specifically relating to a method for preparing an antitumor composition for pets, aiming to solve the technical problems of low bioavailability, poor stability, and poor drug administration compliance of poorly soluble active ingredients in antitumor drugs for pets. The method includes: a raw material pretreatment step, in which curcumin, resveratrol, quercetin, green tea polyphenols, and astragalus polysaccharides are pulverized and sieved separately; an organic phase preparation step, in which egg yolk lecithin and solid lipids are dissolved in an ethanol-acetone mixed solvent, and curcumin and resveratrol are added and dissolved by stirring in a water bath; an aqueous phase preparation step, in which poloxamer F68 is dissolved in purified water and dissolved in a water bath; a high-pressure homogenization step, in which a nanoemulsion containing a solid lipid core is prepared; a moderately polar component encapsulation step, in which quercetin and green tea polyphenols are ultrasonically dispersed and then added dropwise to the nanoemulsion; a freeze-drying step, in which a nano-lyophilized powder is obtained; and an outer hydrophilic component coating step, in which astragalus polysaccharides are sprayed or adsorbed onto the surface of the freeze-dried powder. The composition obtained by this method is a core-shell multilayer nanoparticle with a core consisting of curcumin and resveratrol encapsulated by solid lipids, a middle shell adsorbing quercetin and green tea polyphenols, and an outer shell coated with astragalus polysaccharides. This application utilizes the above-mentioned layered encapsulation technology to achieve stable co-encapsulation of multiple antitumor active ingredients, improve the bioavailability of poorly soluble components, optimize drug stability, and enhance antitumor effects through multi-target synergistic effects. Simultaneously, it endows the composition with immunomodulatory functions and sustained-release properties. The composition can be formulated into a nano-lyophilized powder form, making it easy to add to pet food or formulate into a paste for administration, improving pet drug compliance. Figure 2 is a schematic diagram of the three-layer core-shell nanoparticle structure of the composition of this invention.

The utility model provides a resin column purification device for mirabilitum praeparatum toothpaste production. The resin column purification device comprises an extracting solution storage tank, a tubular centrifuge and a chromatographic separation device which are connected in sequence, and water eluent and alcohol eluent output by the chromatographic separation device are respectively introduced into a theanine purification section and a tea polyphenol purification section to obtain purified theanine and tea polyphenol; the theanine purification section comprises a first mixing tank, a cation exchange resin column and a first concentrator which are connected in sequence, output liquid of the acid liquor storage tank is connected into the first mixing tank, and output liquid of the alkali liquor storage tank is connected into the cation exchange resin column; the tea polyphenol purification section comprises a desorption solution storage tank and a second concentrator which are connected in sequence. The resin column purification device for mirabilitum praeparatum toothpaste production provided by the utility model can effectively separate and purify amino acid and tea polyphenol in a tea extract, and improves the treatment capacity of a tea extracting solution.

The invention discloses a compound type freezing fresh-keeping solution for waxberries. The compound type freezing fresh-keeping solution is subacid electrolyzed water containing sodium chloride with the mass concentration of 5.0-10.0%, calcium lactate with the mass concentration of 1.0-3.0%, sea-buckthorn pectin with the mass concentration of 0.1-0.8%, chitosan with the mass concentration of 0.3-1.0%, cyclodextrin with the mass concentration of 0.05-0.5%, ascorbic acid with the mass concentration of 0.05-0.2% and green tea polyphenol with the mass concentration of 0.05-0.5%. According to the freezing fresh-keeping liquid, through the synergistic effect of multiple components, the freezing point of the fresh-keeping liquid is remarkably reduced, formation of ice crystals is inhibited, oxidative browning of fruits is slowed down, the color, flavor and texture of waxberries are effectively kept, and meanwhile growth and reproduction of microorganisms are remarkably inhibited. The fresh-keeping liquid has the characteristics of being green, safe and environment-friendly, can effectively improve the quality stability of the waxberries in the freezing storage process, and is suitable for freezing storage and fresh keeping of the waxberries.

The invention discloses a regulator for improving grape fruit fragrance and a preparation method thereof, and belongs to the technical field of grape cultivation, each liter of regulator comprises 50 mg-120 mg of chitosan oligosaccharide, 20 mg-50 mg of sodium selenite, 10 mg-20 mg of jasmonic acid methyl ester, 100 mg-250 mg of green tea polyphenol, 10 mg-20 mg of trehalose, 1 mL-5 mL of thymol nanoemulsion, 10 mg-20 mg of beta-cyclodextrin and 0.8 g-1. 0 g of ethyl alcohol, and water is used as a solvent. The content of strawberry ketone, ester and norisoprene compounds in the fruits to which the regulator is applied is obviously increased, nerol and beta-ionone are detected, and the variety of terpene aroma substances is enriched; after the fruit is stored in a high-temperature and high-humidity environment for 3 days, the aroma component change of the fruit to which the regulator is applied is relatively insignificant, and the aroma of the fruit is more stable than that of a reference substance and a blank reference substance.

The invention discloses a homogeneous emulsification process of green tea polyphenol essence, which comprises the following steps: preparing a green tea polyphenol extract into microcapsules, mixing the green tea polyphenol microcapsules with a primary oil phase solution, mixing the primary oil phase solution with a primary water phase solution, then carrying out primary emulsification, mixing the primary emulsion with a secondary oil phase solution, then carrying out secondary emulsification, and carrying out homogenization and emulsification. The green tea polyphenol essence can form a plurality of interfaces in an emulsification system at the same time, interaction among the interfaces can enhance the stability of emulsion, reduce the aggregation tendency of green tea polyphenol and caffeine, and improve the solubility and dispersity of active ingredients, so that the stability and forming ability of the emulsion are enhanced, and the stability and forming ability of the emulsion are improved. The defects that the green tea polyphenol emulsion is unstable and precipitates are generated due to supercritical CO2 extraction are overcome; through two emulsification processes, the green tea polyphenol component can be more fully dispersed into the emulsion, so that the green tea polyphenol component is more uniform and fine, has better stability, and is not easy to layer and precipitate.

The application discloses a kind of composite nanofiber face masks and preparation method thereof, belong to skin care product technical field, composite nanofiber face mask includes fiber matrix and plant source active ingredient, plant source active ingredient includes one or more of rice bran extract, aloe extract and green tea polyphenol, fiber matrix includes polyvinyl alcohol and silk fibroin, the mass ratio of plant source active ingredient and fiber matrix is 10-18:100.The application uses the above-mentioned one kind of composite nanofiber face mask and preparation method thereof, and plant source active ingredient containing natural antibacterial component is physically embedded and dispersed in fiber interior or fiber network, relies on dry state storage and physical stabilization process, it is helpful to improve the dry state storage stability of product, and reduces the dependence on traditional preservative system.

The invention discloses an etching solution for alloy surface treatment and a preparation method thereof, and relates to the field of etching solutions. The preparation method comprises the following steps: firstly, preparing mesoporous titanium dioxide by a sol-gel method, modifying the mesoporous titanium dioxide by an amino coupling agent, loading green tea polyphenol and preparing a self-made corrosion inhibitor from konjac glucomannan grafted with quaternary ammonium groups, adsorbing dopamine by utilizing electrostatic interaction, and polymerizing to form pH response hydrophilic particles; in the etching process, when the solution is slightly acidic, the corrosion inhibitor is released to inhibit excessive etching; meanwhile, carboxymethyl cellulose is grafted with sulfonic acid groups, N-(phosphonomethyl) iminodiacetic acid modified chitosan is used for preparing complexing agents A and B, and after compounding, the complexing agents A and B are mixed with components such as hydrophilic particles to obtain etching liquid; the compound complexing agent can form a strong coordination bond with metal ions and can also be chelated with heavy metal ions; chitosan, phosphonic acid groups and hydrophilic particles cooperate with one another, so that the surface hydrophilicity of the alloy is improved, and hydrolytic precipitation and scale attachment are effectively inhibited. The prepared etching liquid for alloy surface treatment has the effects of high efficiency and uniform etching.

The invention discloses an electrochemiluminescence perovskite quantum dot probe with a stable water phase and a preparation method and application thereof. Aiming at the technical bottleneck that the existing perovskite quantum dots are unstable in a water phase and are difficult to be directly used for liquid phase detection, the invention provides a method for preparing an oleylamine / trifluoropropionic acid (OAm / TFPro) double-ligand protected perovskite quantum dot (PQDs) probe by adopting a water phase co-deposition method. The TFPro ligand and water molecules form a hydrogen bond interface through a fluorine-containing group of the TFPro ligand, and a protective layer is constructed on the surfaces of the PQDs, so that the PQDs can be stably dispersed in a water phase for a long time, and efficient electrochemical luminescence (ECL) activity is maintained. An ECL sensing platform constructed based on the probe realizes high-sensitivity and high-selectivity detection of tea polyphenol in tea leaves, and has the advantages of wide linear range, low detection limit, strong anti-interference capability and the like. The method is simple in process and low in cost, and a novel efficient detection tool is provided for the field of food quality safety.

The application belongs to the technical field of microorganisms, and specifically discloses a Burkholderia gladioli with improved tea quality and an application thereof. The preservation number of the Burkholderia gladioli is CCTCC NO: M 20241144. The strain has high-efficiency activity of dissolving organic phosphorus and inorganic phosphorus, strong ability of producing IAA and iron carrier, certain inhibiting capacity on fungal pathogenic bacteria, and can improve tea bud density, increase the content of free amino acids in tea, reduce the content of tea polyphenols in tea and the phenol-ammonia ratio, so as to improve the quality of tea.

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 discloses a rhizoma polygonati anti-aging extract and a preparation method thereof. The method comprises the following steps: pre-treating raw materials by adopting a composite cleaning agent containing green tea polyphenol and a ginger extract; soaking with a sugar protecting agent containing fructo-oligosaccharide and L-ascorbyl palmitate; carrying out nine-steaming nine-drying treatment after gradient ultrasonic cleaning, and recovering polysaccharide in condensed water through spiral condensation, centrifugation and ceramic membrane filtration in the steaming process; the preparation method comprises the following steps: extracting with hot water, heating and concentrating, mixing the obtained extract with polysaccharide recovered from condensed water, compounding with a cistanche deserticola extract according to a ratio of 3: 2, mutually dissolving with a composite cosolvent, carrying out gelatin-Arabic gum microencapsulation, and finally granulating with a slow-release matrix. According to the invention, the problems of loss of pretreatment polysaccharide, waste of active ingredients of condensed water, poor stability of terminal products, asynchronous release and the like are solved through a full-chain technology, and the retention rate, the stability and the anti-aging synergistic effect of the active ingredients are remarkably improved.

Disclosed in certain embodiments herein is a topical composition that delivers advanced environmental protection to the skin, brightens the complexion of the skin, and / or delivers anti-aging benefits to the skin by treating intrinsic and / or extrinsic factors associated with the appearance and health of the skin. The topical composition may be an emulsion of an aqueous phase and an oily phase, or other two-phase system, that includes an ascorbate component and an antioxidant system that includes green tea polyphenols. Also disclosed herein are methods of administering the topical compositions described herein for treating a skin of a subject for effects of radical induced damage, atmospheric aging, and as part of a variety of dermatological procedures.

The invention discloses clinical application of a metabolic immune and Dai medicine composition in treatment of cancer, the composition comprises: a composition for regulating and controlling tumor cell metabolism, including 2-deoxy-D-glucose, a glycolysis inhibitor, an oxidative phosphorylation inhibitor, a pyruvate dehydrogenase kinase inhibitor, a polyphenol compound and green tea polyphenol; at least one immunomodulator; at least one chemotherapeutic agent; the clinical application of the metabolic immune combined Dai medicine for treating the cancer is realized through action mechanisms in multiple aspects, including influence on the metabolic activity of tumor cells, enhancement of the effect of an immune system, enhancement of the effect of a chemotherapy medicine and leveling of four towers and five components, so that toxin is eliminated, qi and blood are straightened out, resistance is enhanced, and the clinical application of the metabolic immune combined Dai medicine for treating the cancer is realized. The functions of four towers and five components are balanced and coordinated, so that the aim of treating cancers is fulfilled.

The invention discloses an active substance for repairing a cat sensitization type barrier and a preparation method and application thereof, and relates to the technical field of animal health care products. The cat feed additive comprises one or more of heartleaf houttuynia herb extract, green tea polyphenol, ginkgo leaf extract, glutamine, beta-glucan, linoleic acid, vitamin B6, vitamin B2 and the like, and the components jointly act on oxidative stress, inflammatory response and metabolic process of intestinal tracts and skin of cats. By measuring indexes such as inflammatory factors, oxidative stress and tight junction protein and combining in-vitro metabonomics and transcriptomics analysis, the pharmaceutical composition has remarkable effects in the aspects of oxidation resistance, inflammation resistance, mucosal barrier repair and the like. In addition, the invention also provides application of the active substance in preparation of food for repairing cat barrier dysfunction. Compared with the prior art, an effective health-care strategy can be provided, and cat barrier dysfunction can be remarkably repaired.

The invention provides a multifunctional cotton fabric finishing process based on plant extract microcapsules, and belongs to the technical field of textile processing.The multifunctional cotton fabric finishing process comprises the steps that microcapsule powder and a cross-linking agent are added into water, the pH is adjusted to be acidic, and steeping liquor is obtained; the cotton fabric is subjected to two-time dipping and two-time rolling in the dipping liquid; taking out the cotton fabric, pre-baking, baking, washing with water, soaping, and drying at 80 DEG C for 10 minutes to obtain the multifunctional cotton fabric based on the plant extract microcapsules. Core material components of the microcapsule powder are wormwood extract, green tea polyphenol, aloe polysaccharide and citric acid modified soybean protein, wall material components of the microcapsule powder are chitosan and sodium alginate, the mass ratio of the chitosan to the sodium alginate is 3: 1, and the finished cotton fabric is suitable for medical textiles, household fabrics (such as outdoor clothes) and infant textiles and is wide in application range.

This invention discloses a nasal spray containing novel Iota carrageenan oligosaccharides, relating to the field of pharmaceutical formulation technology. The spray comprises: novel Iota carrageenan oligosaccharides with degrees of polymerization of 2 and 4, prepared by stepwise synergistic enzymatic hydrolysis of cellulase and carrageenase, as well as N-trimethyl chitosan, hydroxypropyl-β-cyclodextrin, green tea polyphenols, and vitamin E, etc. Its preparation process involves ultrasonic compounding to allow charged components to electrostatically self-assemble into a polyelectrolyte complex network. This invention significantly reduces system viscosity, improves atomization performance and bioavailability; by enhancing the adhesion of the drug solution to the nasal mucosa surface, the retention time of the active ingredient is extended to more than 6 hours; combined with green tea polyphenols, it achieves dual protection of physical barrier and biochemical inhibition; and the formulation exhibits high physicochemical stability, is non-irritating to the nasal mucosa, and has excellent safety.

The invention relates to a preparation method and application of collagen fermentation broth, and the method comprises the following steps: preparing a natural culture medium which comprises a carbon source, a nitrogen source, a metabolism activator and a precursor additive; the metabolism activator is a green tea polyphenol extract, and the precursor additive is prepared from glycine, proline and Hyp-Gly-Pro tripeptide; performing sterilization treatment on the natural culture medium; in a bioreactor, a sterilized natural culture medium is used for seed culture of strains under specific conditions until the viable count reaches (2.1 + / -0.3) * 10 < 9 > CFU / mL; carrying out staged plant induced fermentation; and purifying and concentrating the fermented product to obtain the original protein fermentation liquor. According to the method, the technical bottleneck that collagen cannot be directly synthesized by lactobacillus plantarum is solved, and meanwhile, the structural stability and transdermal absorption of the product are improved.

The invention relates to the technical field of textiles, in particular to an antibacterial and anti-mite fabric and a preparation process thereof. The finishing liquid is prepared from 28-35% of chitosan solution, 4-5% of tea tree essential oil, 1-2% of mint essential oil, 4-6% of folium artemisiae argyi extract, 0.5-1.5% of green tea polyphenol, 1-2% of lemon grass essential oil, 1-3% of azadirachtin extract, 4-8% of soybean protein, 1-2% of Arabic gum, 3-5% of citric acid, 0.3-0.8% of baking soda and 29.7-52.2% of deionized water for standby application. Through the steps of finishing liquid acquisition, antibacterial anti-mite fabric preparation, fabric pretreatment, dipping and mangling, drying and curing and post-treatment, the antibacterial anti-mite fabric has the advantages of being environmentally friendly and good in durability, and solves the problems that most of the main technologies of common antibacterial anti-mite fabrics in the market adopt chemical synthetic materials, and the antibacterial anti-mite fabric is not environmentally friendly. Therefore, the existing antibacterial and anti-mite fabric has the problems of environmental protection and durability.

The invention relates to the technical field of pet additive treatment, in particular to a functional food additive for pet hair beautifying and a preparation method thereof.The functional food additive comprises, by mass, 50-65% of a hair nutrient, 10-20% of synergistic components and 10-20% of functional auxiliary materials; 25-35% of a synergistic component; and 10-15% of functional auxiliary materials. According to the additive, the hair nutritional agent, the synergistic components and the functional auxiliary materials are added, the active components are remarkably improved through the fish oil and the biotin, the synthesis efficiency of hair keratin is ensured through the zinc chelate, the metabolic cycle of hair follicles is adjusted through the vitamin B compound, and unhairing caused by oxidative damage is reduced with the assistance of the green tea polyphenol; the pregelatinized starch and the maltodextrin optimize particle forming fluidity, freeze drying and light-shielding packaging maintain vitamin activity, the glossiness and toughness of pet hair are improved, breakage and falling are reduced, the hair quality of pets can be effectively improved, the bathing frequency of pets is reduced, and then the risk that pets suffer from skin diseases can be reduced.

Disclosed is a process for the assembly of protein-polyphenol conjugate stabilized nanoemulsions (PPCSNEs) by a process that comprises: (a) combining (i) a first surfactant comprised of a pre-synthesized composite species made up of a biocompatible protein and polyphenolic species, (ii) a therapeutic amount of one or more psychedelic APIs, (iii) a triglyceride oil, and optionally (iv) a co- surfactant in a container, (b) high-shear mixing said ingredients in a container to form a coarse-emulsion product, and (c) subjecting the coarse-emulsion through a microfluidic device to produce a protein-polyphenol conjugate nanoemulsion containing a psychedelic agent.

The invention discloses a tea flavor quality improving method based on microbial solid state fermentation, which comprises the following steps: step 1, raw material treatment: performing fixation, rolling and drying treatment on tea leaves to obtain pretreated tea leaves; step 2, treatment of strains for fermentation, inoculation and culture of aspergillus oryzae, saccharomycetes and lactic acid bacteria, extraction and preparation of a strain mixed solution; step 3, inoculated fermentation: performing inoculated mixing on the strain mixed solution obtained in the step 2 and the pretreated tea leaves obtained in the step 1, and then putting the tea leaves inoculated with strains into a fermentation tank for fermentation treatment to obtain fermented tea leaves; and step 4, performing post-treatment on the tea leaves: performing drying treatment on the fermented tea leaves obtained in the step 3, and performing screening treatment to obtain the drinkable fermented tea leaves. According to the technical scheme, the content of tea polyphenols in the obtained tea leaves is 12.3%, the total amount of amino acids is 3.8%, the content of the tea polyphenols is reduced, the bitter taste of tea water is effectively reduced, and the fragrance of the tea water is improved.

The invention discloses a natural Chinese herbal medicine hair nourishing composition and a preparation process thereof, and relates to the technical field of hair nourishing and caring, the composition comprises 8-12 parts of a targeted inhibition core Chinese herbal medicine group, 2-3 parts of a scalp conditioning and synergistic group, and 85-90 parts of a pharmaceutic adjuvant adaptation system; the targeted inhibition core Chinese herbal medicine group consists of the following components: 1.5-2 parts of a green tea polyphenol extract, 0.8-1 part of a rosemary supercritical CO2 extract, 0.5-1 part of a poria cocos triterpene purified product, 2-3 parts of a cacumen biotae ethanol extract, 1-1.5 parts of a glossy privet fruit ethanol extract, 0.8-1 part of a mulberry leaf extract and 0.8-1 part of a polygonum multiflorum ethanol extract; a function complementary hair nourishing formula system is constructed, all the components are reasonably matched, the activity of the raw materials is reserved after treatment, and a mild and effective foundation is laid for external hair nourishing; meanwhile, the preparation process is standardized, the quality control is strict, the product quality and safety are guaranteed in multiple links from preparation to storage, effective component retention, practicability and safety are considered, and the safe and effective hair nourishing requirements of users are met.

The invention provides a green tea polyphenol antibacterial sanitary towel and a preparation method thereof. The green tea polyphenol antibacterial sanitary towel comprises a flow guide surface layer, an antibacterial functional layer, an absorption core body and a breathable bottom layer which are sequentially stacked, the antibacterial functional layer is composed of a non-woven fabric base material and a composite antibacterial layer compounded on the surface of the non-woven fabric base material; the composite antibacterial layer comprises composite sustained-release microspheres, citric acid modified attapulgite clay, epsilon-polylysine hydrochloride and hydroxypropyl methyl cellulose, and the composite sustained-release microspheres are obtained by sequentially carrying out beta-cyclodextrin inclusion and sodium alginate / chitosan composite gelation on green tea polyphenol and a honeysuckle flower extract. According to the sanitary napkin provided by the invention, the micro-ecological balance of the private part is maintained through physical adsorption, chemical sterilization and plant slow release while the condition that a chemically synthesized bacteriostatic agent stimulates the sensitive part of the private part is avoided, and the allergy and inflammation risks are remarkably reduced.

The present invention relates to a composition for improving skin health containing an active ingredient-enhanced green tea flower enzyme reactant, the enzyme reactant according to the present invention being generated by inducing an enzyme reaction by using a green tea flower extract as a substrate and using a green tea flower-derived crude enzyme solution in a specific growth period, thereby improving the content of an active ingredient and the enzyme activity. The composition has the advantage of being capable of exhibiting excellent skin health improving ability.

The present invention discloses a homogenization and emulsification process for green tea polyphenol essence. The green tea polyphenol extract is made into microcapsules, and the green tea polyphenol microcapsules are mixed with a primary oil phase solution. After the primary oil phase solution is mixed with a primary water phase solution, preliminary emulsification is carried out. After the preliminary emulsion is mixed with a secondary oil phase solution, secondary emulsification is carried out to obtain a green tea polyphenol essence, which can form multiple interfaces simultaneously in the emulsification system. The interaction between the interfaces can enhance the stability of the emulsion, reduce the aggregation tendency of green tea polyphenols and caffeine, improve the solubility and dispersibility of active ingredients, enhance the stability and formation ability of the emulsion, and solve the defects of unstable green tea polyphenol emulsion and precipitation caused by supercritical CO2 extraction; through the two emulsification processes, the green tea polyphenol components can be more fully dispersed into the emulsion, making it more uniform and finer, with better stability and not prone to stratification and precipitation.

The invention relates to the technical field of food processing, in particular to a composite selenium-rich solid beverage and a preparation method thereof. The invention provides a compound selenium-rich solid beverage which comprises the following components: selenium-rich black rice, a compound biphase selenium source, compound prebiotics, green tea polyphenol, momordica grosvenori glucoside, zinc citrate and a shiitake mushroom extract, and further provides a preparation method of the compound selenium-rich solid beverage. Comprising the steps of pulse microwave low-temperature mixing, vacuum low-temperature drying, ultrahigh-pressure cold sterilization and the like, a low-temperature non-thermal processing technology is adopted in the whole process of the method, functional active ingredients are reserved to the maximum extent, and the prepared composite selenium-rich solid beverage is excellent in sensory quality and wide in eating adaptability.

The present invention provides an endophytic bacterium that promotes the growth of tea seedlings and improves the content of tea polyphenols, and an application thereof in the preparation of a microbial agent. The endophytic bacterium is strain SJ1, which is classified and named as Pantoea agglomerans, and is deposited in the General Microbiological Center of the China Microbiological Culture Collection Administration Committee, with a deposit number of CGMCC No. 29420. The present invention also provides a microbial agent and an application thereof. The strain SJ1 of the present invention has the characteristics of solubilizing phosphorus and producing indoleacetic acid, and can significantly promote the growth of tea seedlings, increase the content of tea polyphenols in tea leaves, and increase the phosphorus content in the rhizosphere soil, roots and leaves of tea seedlings, and plays an important role in improving the utilization of phosphorus nutrients by tea seedlings, promoting the growth of tea seedlings, and improving the quality of tea leaves.