22 results about "Natural substance" patented technology

The embodiment of the invention relates to the technical field of electrolytes, and provides a preparation method of a hydrogel electrolyte, the hydrogel electrolyte and a zinc ion battery, and the preparation method comprises the following steps: preparing a chitosan aqueous solution with a first preset concentration; the preparation method comprises the following steps: adding a certain amount of genipin into a chitosan aqueous solution, so that the genipin and chitosan in the chitosan aqueous solution are crosslinked at a first preset temperature; coating the cross-linked slurry on a substrate of a preset material, and drying and demolding at a second preset temperature to obtain a hydrogel electrolyte dry film; and soaking the hydrogel electrolyte dry film in a liquid electrolyte with a second preset concentration to absorb the liquid until the liquid is saturated, thereby obtaining the hydrogel electrolyte. Chitosan and genipin used in the embodiment of the invention are natural substances and are non-toxic and harmless, so that the prepared hydrogel electrolyte belongs to an environment-friendly electrolyte material, the problem that a cross-linking agent in a traditional electrolyte material is relatively high in toxicity is effectively avoided, and the problem of side reaction caused by using water as an electrolyte solvent is also avoided.

The invention relates to cream for repairing radiodermatitis and a preparation method of the cream, and belongs to the technical field of biomedical skin treatment. The cream consists of the following components in percentage by weight: 8% of glycerin monostearate, 6% of stearic acid, 5% of white vaseline, 4% of liquid wax, 1-2% of tea tree oil, 1-2% of eugenol, 1-2% of vitamin E, 3% of trehalose, 8% of polyethylene glycol (PEG-400), 10% of glycerol, 0.5% of methylparaben, 1% of triethanolamine and the balance of purified water. According to the cream disclosed by the invention, the natural traditional Chinese medicine component eugenol and the natural substance vitamin E are utilized to synergistically enhance the anti-oxidation and bacteriostatic effects, and the tea tree oil, the trehalose and other effective components are utilized to repair radiodermatitis from multiple aspects of anti-inflammation, bacteriostasis, antioxidation, promotion of skin barrier repair and the like. The cream is simple in component, good in treatment effect, high in safety and convenient to produce and process, and can be popularized and applied to treatment of radiodermatitis.

The present invention provides a novel integrated platform that enables the verification of manufacturing processes for complex natural products, as well as the standardization and evaluation of complex natural products. This platform allows for the "system-wide" characterization of complex mixtures contained in therapeutic and / or health-promoting products based on or composed of natural substances, without limiting the approach to reductionist chemical approaches targeting single markers. This is achieved through the integration of qualitative and quantitative fingerprint characterization data metabolomics and physical and biophysical activity data for the mixtures, thereby providing a product characterization that forms the basis for verifying manufacturing processes that can ensure the reproducibility of efficacy and safety across different batches of the product. The analytical platform described herein enables the assurance of a complex natural product as a whole, by considering all the characteristics of its quality and efficacy, through a multidimensional analytical approach, in order to ensure reproducibility regarding efficacy and safety.

The invention relates to methods for dyeing keratin-containing fibers, in particular human hair, using plant polyphenols at a pH value in the range of 1.0 to 6.9 and / or at a content of at least one salt selected from the alkali metal salts or the ammonium salts of a halide anion or a pseudohalide anion, and subsequent treatment with one or more silver salts, as well as agents and kits for carrying out these dyeing methods.

The invention discloses an in-situ rapid fragrance locking method after aromatic plant harvesting, and belongs to the technical field of natural plant processing. According to the method, after aromatic plant raw materials are harvested, the aromatic plant raw materials are subjected to low-temperature fidelity treatment in a field, a field edge, a planting base or a processing factory through or without the steps of spreading for airing, aging, air drying and pretreatment by adopting any one mode of low-temperature distillation, low-temperature extraction and adsorption fragrance trapping, and in-situ instant stabilization of the raw materials is achieved; the raw materials can be used independently or synchronously co-extracted with aromatic plants without chemical conflicts. The method can effectively reduce the component loss and oxidation of the raw materials in the transportation and storage process, retains the freshness, naturalness and integrity of natural substances, is mild in treatment condition and wide in application range, and can meet the requirements of field operation and large-scale production.

The application discloses a method for preparing total anthraquinones in rhubarb by ultrafiltration-serial countercurrent extraction, and belongs to the technical field of natural substance separation. The method comprises the following steps: extracting rhubarb raw materials by ammonia osmosis, removing macromolecular impurities from the obtained osmosis liquid by ceramic ultrafiltration membrane filtration; adjusting the pH of the ultrafiltrate to serve as an extracted water phase, and performing countercurrent extraction on the extracted water phase by an extractant composed of solvent No. 260 and tributyl phosphate or trialkyloxy phosphine; loading the extractant to perform countercurrent back extraction on the extractant by an alkaline back extraction agent; and finally, acidifying, concentrating and drying the back extraction liquid to obtain high-purity total anthraquinones in rhubarb. The application couples ultrafiltration, serial countercurrent extraction and complexation extraction, solves the defects of traditional processes, such as easy emulsification, great solvent toxicity, high residue and high cost, and has the advantages of high selectivity of target components, high product purity, recyclable extractant, green and environment-friendly process, suitability for industrial production and the like.

This invention discloses a pH colorimetric membrane for indicating meat freshness, obtained through the following steps: First, konjac glucomannan and polyvinyl alcohol are dissolved separately in distilled water and heated and stirred until dissolved; then, the konjac glucomannan aqueous solution and the polyvinyl alcohol aqueous solution are mixed to obtain a film-forming solution; curcumin and alizarin are added to the film-forming solution, homogenized using a homogenizer, and then ultrasonically treated to remove air bubbles; the solution is poured into a plastic petri dish and dried in an incubator to obtain the pH colorimetric membrane. This invention uses a 3:1 mass ratio of curcumin and alizarin as colorants, resulting in stronger pH sensitivity and more obvious color changes. Furthermore, all raw materials used are derived from natural substances, are safe and non-toxic, and edible. No complex processing of meat samples is required, making the operation simple and low-cost. It has great application potential in meat freshness monitoring and intelligent packaging, and can be applied to the freshness monitoring of various meat products.

The invention relates to the technical field of cosmetics, in particular to vegetable dye pigment and hair dye based on an alcohol-water system and an application method of the vegetable dye pigment and hair dye. The pigment comprises a vegetable dye extract; the raw materials of the plant dye extract comprise at least one of madder, pomegranate rind and rheum officinale. Compared with a traditional chemical synthetic hair dye, the hair dye completely adopts natural plant pigments, food-grade mordants, natural substances such as tannic acid, pH regulators and the like, does not contain aniline cancerogens, greatly reduces the allergy risk and irritation to scalp, and is safe to human bodies.

The application provides a kind of microbial nutrient carrier based on porous chemical material and its preparation method, belongs to sludge treatment technical field.The preparation method includes (1) after mixing glucose, fish meal, yeast powder uniformly, nutrient substance mixed powder is obtained, and after mixing with natural substance again, nutrient substance is obtained;(2) microbial bacteria liquid and nutrient substance mixed powder are fully stirred uniformly, mixture is obtained, then mixed with porous carrier, and after being fully oscillated, the microbial nutrient carrier is obtained after drying and solidification.The carrier has high porosity, good mechanical strength and excellent strain loading capacity, when applied to sludge aerobic fermentation, can quickly start fermentation, significantly improve organic matter degradation efficiency and strengthen dewatering effect, has good industrial application prospect.

The invention relates to the technical field of natural substance modification, and particularly discloses glutamic acid modified hydroxypropylated tremella powder as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly, improving the solubility and dispersity of tremella powder through a hydroxypropylation reaction; preparing a reaction intermediate from glutamic acid and ethylene glycol diglycidyl ether; finally, grafting of glutamic acid on the hydroxypropylated tremella powder is achieved through an etherification reaction. After the tremella powder is subjected to the modification process, the performance improvement is obviously superior to the effect of tremella polysaccharide modified by the same process, the oxidation resistance, aging resistance, antibacterial property and moisturizing property of the modified tremella powder are obviously improved, and the modified tremella powder has wide application value in multiple fields of oxidation resistance, aging resistance, antibacterial property, moisturizing property and the like; the tremella fuciformis powder can be used for developing functional cosmetics, health food and medical products, and a new technical approach is provided for high-value utilization of the cheap tremella fuciformis powder.

The application discloses application of a polysaccharide of Ossyra edulis in preparation of an anti-plant virus agent. The polysaccharide is obtained by alkali extraction and alcohol precipitation of dry sclerotia of Ossyra edulis. The application finds that the polysaccharide of Ossyra edulis shows significant anti-virus activity on various plant pathogenic viruses in a pot experiment, and its preparation also shows good activity in a field efficacy test, and is significantly better than a positive control agent. Compared with the prior art, the application develops an anti-virus agent pesticide from a biological source of natural substances, has good environmental compatibility, safety, high efficiency, green environmental protection and the like, and has a wide application prospect.

The present invention relates to a dental disclosing composition and a screening method therefor, and more specifically, to a dental disclosing composition comprising cacao pigment or gardenia blue pigment, and a screening method therefor. Containing a natural material that has stable chemical properties, food-grade usability, and dyeability, the composition is ingestible and suitable as a substitute for conventional disclosing solutions. Moreover, the composition is expected to be widely applicable as a means for evaluating the effectiveness of dental disclosing materials.

The invention belongs to the technical field of natural substance extraction, and particularly relates to a method for extracting walnut shell total polyphenol by using a grinding ball-assisted deep eutectic solvent. The invention provides a method for extracting walnut shell total polyphenol by using a ball-milling-assisted deep eutectic solvent, and high-value utilization of walnut shell byproducts is realized. According to the main scheme, ball-milling assistance and a deep eutectic solvent are combined, and based on a ball-milling-assisted extraction technology, through the impact, extrusion and shearing effects of grinding balls, the plant cell wall structure can be effectively destroyed, permeation of the solvent into cells is accelerated, and dissolution of active ingredients is promoted; meanwhile, the used deep eutectic solvent has good biocompatibility and small destructive effect on total polyphenol active ingredients, the original physiological activity of the deep eutectic solvent can be well reserved, the synergistic interaction of mechanical wall breaking and green solvent dissolution is achieved, the substantive technical effect is achieved, the bottleneck problem of a traditional extraction method is solved, and the application prospect is wide.

Compared with an organic polyhydric alcohol type commercial cooling liquid (anti-freezing liquid), the biodegradable nanofluid heat exchange agent provided by the invention has remarkable technical characteristics. The invention relates to a special formula composition which is composed of six natural products, namely bentonite, hydroxypropyl starch serving as a dispersing agent, asparaginic acid serving as a corrosion inhibitor, chitosan serving as a defoaming agent, gelatin serving as a particle stabilizer and water. The preparation reaction depends on the hydration process of bentonite particles to provide power, and the spontaneous reaction is completed in one step. The heat exchange efficiency of the heat exchange agent can be improved by 32%, and biomass materials contained in the heat exchange agent can be automatically degraded in nature.

The present invention relates to: a composition for improving cognitive function, comprising a natural extract complex; and use thereof. According to an embodiment of the present invention, a composition for improving cognitive function or memory, comprising one or more selected from the group consisting of a Perilla frutescens var. acuta kudo extract, a Moringa oleifera extract, and a Phyllanthus emblica extract, exhibits few side effects due to being based on natural substances, is readily available, and provides an excellent cognitive function improvement effect while being cost-effective. Therefore, the composition can be effectively used for the prevention, amelioration or treatment of diseases associated with cognitive or memory impairment.

The present invention relates to a process for preparing perfume concrete and / or absolute which employs bringing particular, fresh, withered or dry, solid natural material(s) into contact with a first system of solvents comprising at least one “green” alkane solvent comprising at least 8 carbon atoms. Another subject of the invention is the perfume concrete and the perfume absolute obtained by the preparation process, a composition comprising the concrete and / or the absolute, and the use of the “green” alkane solvent to extract the concrete and / or the absolute with no chemical odour of solvent odour type.

The invention provides a method for preparing a hippocampus small molecule peptide composition, the composition and application, and belongs to the technical field of biological medicine and functional food. In order to solve the problem of lack of natural substances capable of effectively improving muscle degeneration, the method comprises the following steps: taking hippocampus as a raw material, carrying out compound enzymolysis by adopting trypsin and papain, and then separating and collecting components with the molecular weight lower than 3kDa to obtain the hippocampus small molecule peptide composition. The invention also discloses the composition and application of the composition in preparation of products for preventing or improving muscle degeneration related diseases, such as sarcopenia. Experiments prove that the composition can effectively promote myocyte differentiation and remarkably improve the muscle weight and muscle strength of an aging model mouse, and has the beneficial effects of natural source, safety and high efficiency.

The invention relates to a dark green tea production process which comprises the following specific steps: firstly, preparing a new composite material which consists of a probiotic synergist, an astringent neutralizer and a flavor synergist according to the addition amount of 3-5kg of the probiotic synergist, 1-2kg of the astringent neutralizer and 0.5-1kg of the flavor synergist per 100kg of rolled leaves, then preparing the new composite material into paste, adding the paste into a fermentation tank, and performing fermentation at the temperature of 20-30 DEG C to obtain the dark green tea. The preparation method comprises the following steps: rolling tea leaves, uniformly spraying on the surfaces of the rolled tea leaves, uniformly stirring, carrying out pile fermentation, supplementing a dry composite new material into the tea leaves after the pile fermentation is finished and the tea leaves are dried, uniformly mixing, carrying out hundred-year post-fermentation, and finally drying and packaging the tea leaves to obtain a dark green tea finished product. According to the dark green tea production technology, through the synergistic chemical reaction of the new composite materials and natural substances of the tea leaves, the astringent taste generated in the fermentation process of the dark green tea is reduced, the mellow taste and smoothness of the taste are improved, meanwhile, proliferation of probiotics is promoted, functional ingredients are enriched, the health-care value of the product is improved, and the quality of the dark green tea is improved.

This invention relates to a nanoemulsion cosmetic composition and its preparation method. The nanoemulsion cosmetic composition comprises an oil phase and an aqueous phase. The oil phase comprises ginseng nanoparticles and oil swollen by the ginseng nanoparticles. The composition does not contain any surfactants alone, and the ginseng nanoparticles are uniformly distributed in the composition. According to the invention, the oil phase contains oil swollen by ginseng nanoparticles, thereby having the advantage of containing natural substances and providing beneficial effects to the skin.

The invention relates to methods for dyeing keratin-containing fibers, in particular human hair, using plant polyphenols at a pH value in the range of 1.0-6.9 and / or with a content of at least one salt selected from the alkali metal salts or the ammonium salts of a halide anion or a pseudohalide anion, and subsequent treatment with one or more silver salts. The invention also relates to products and kits for carrying out these dyeing methods.

[Problem] The purpose of the present invention is to pay attention to so-called upgrading and remanufacturing when selecting a material derived from a natural substance, and to provide a material having an anti-glycation inhibitory effect (hereinafter referred to as "AGE production inhibitory effect") against a glycation reaction of a protein in vivo. The composition can be used for external preparations (such as cosmetics) requiring consideration of skin affinity and food and beverage components requiring consideration of nutrition. [Solution] The present invention solves this problem by irradiating white auricularia polytricha produced by mutation of Auricularia polytricha (Mont.) Sacc. With an ultraviolet B wave and treating the obtained product under prescribed conditions, thereby obtaining an active ingredient having an ideal function and rich in vitamin D2 and amino acids.

[Problem] The purpose of the present invention is to pay attention to so-called upgrading and remanufacturing when selecting a material derived from a natural substance, and to provide a material having an anti-glycation inhibitory effect (hereinafter referred to as "AGE production inhibitory effect") against a glycation reaction of a protein in vivo. The composition can be used for external preparations (such as cosmetics) requiring consideration of skin affinity and food and beverage components requiring consideration of nutrition. [Solution] The present invention solves this problem by irradiating white auricularia polytricha produced by mutation of Auricularia polytricha (Mont.) Sacc. With an ultraviolet B wave and treating the obtained product under prescribed conditions, thereby obtaining an active ingredient having an ideal function and rich in vitamin D2 and amino acids.