696 results about "Natural compound" patented technology

The present invention relates to a cross-linkable or cross-linked rubber composition usable in a tread of a tire, and to a tire incorporating this tread. A rubber composition according to the invention is based on at least one diene elastomer, and a plasticizer comprising a glycerol oleic acid triester, said plasticizer comprises:

• • one or more synthetic and/or natural compounds not extracted from petroleum in a mass fraction of from 45% to 100%, said compounds comprising at least one glycerol fatty acid triester, and the fatty acid(s) as a whole comprise oleic acid in a mass fraction equal to or greater than 60%, and
  • one or more paraffinic, aromatic or naphthenic type plasticizing oils extracted from petroleum in a mass fraction of from 55% to 0%. The invention applies in particular to tires of passenger-vehicle type.

The invention provides a method of alleviating a sign or symptom of periodontal disease in a subject, by administering to the subject a composition containing a natural compound which inhibits matrix metalloproteinase activity and interleukin-1 activity.

The invention relates to a method for preparing carbon quantum dots. The method is mainly characterized by comprising the following steps of: adding hydrogen peroxide in natural compounds such as saccharides or proteins; and then, performing direct hydro-thermal treatment to obtain the carbon quantum dots with strong fluorescence. The shape of the natural compounds after hydro-thermal treatment can be greatly changed due to addition of hydrogen peroxide, so that the carbon quantum dots with strong fluorescence are formed. The method is wide in material source, very cheap in price, simple and convenient to operate, simple in post treatment and environment-friendly, and the yield of the carbon quantum dots is high. The property of the carbon quantum dots can be conveniently adjusted by content of added hydrogen peroxide, so that the method has large-scale preparation potential and a wide application prospect.

The present invention provides triterpenoids produced from natural compounds such as oleanolic acid, ursolic acid, betulinic acid, and hederagenin.

The present disclosure relates to methods for treating, preventing and improving the condition and aesthetic appearance of skin, particularly, treating, preventing, ameliorating, reducing and/or eliminating fine lines and/or wrinkles of skin, by application of one or a combination of natural compounds or extracts that stimulate MAGP-1 expression and which improves the appearance of aged and/or photodamaged skin. The compositions of the invention are topically applied to the skin, or are delivered by directed means to a site in need thereof in an amount effective to improve the condition and aesthetic appearance of skin.

A skin care active complex in accordance with an embodiment of the invention comprises a combination of (1) from about 0.001% to about 10% by weight, preferably from about 0.001% to about 5% by weight, of a vitamin A derivative; (2) from about 0.00001% to about 10% by weight of a hydroxamate derivative; (3) from about 0.01% to about 5% by weight of an anti-inflammatory natural compound; and optionally, (1) from about 0.001% to about 10% by weight of vitamin K.

The invention belongs to the technical field of daily care products and discloses a facial mask with the functions of improving skin barrier and delaying senescence and a preparation method thereof. The facial mask comprises the following components in percentage by weight: 0.05-4 percent of macromolecule hyaluronic acid, 0.1-3 percent of middle molecule hyaluronic acid, 0.1-5 percent of micromolecule hyaluronic acid, 0.05-3 percent of oligomeric hyaluronic acid, 0.5-6 percent of grape seed extract, 0.5-6 percent of purslane extract, 2-12 percent of hydroxyethyl urea, 1-6 percent of sodium pyrrolidonecarboxylate, 0.1-1 percent of allantoin, 2-12 percent of butanediol, 0.05-0.3 percent of thickening agent and the balance of deionized water. According to the facial mask disclosed by the invention, by reasonably combining natural compounds with plant extracts, the synergistic effect is realized, and the functions of better improving the skin barrier and delaying the senescence are achieved.

The present invention refers to compounds that, in addition to enhancing the sensitivity to acetylcholine and choline, and their exogenous agonists, of neuronal cholinergic receptors and/or acting as cholinesterase inhibitors and/or neuroprotective agents, have enhanced blood-brain barrier permeability in comparison to their parent compounds. The compounds are derived (either formally by their chemical structure or directly by chemical synthesis) from natural compounds belonging to the class of amaryllidaceae alkaloids e.g., galantamine, narwedine and lycoramine, or from metabolites of said compounds. The compounds of the present invention can either interact as such with their target molecules, or they can act as “pro-drugs”, in the sense that after reaching their target regions in the body they are converted by hydrolysis or enzymatic attack to the original parent compound and react as such with their target molecules, or both. The compounds of this invention may be used as medicaments.

The invention provides a method for improving antibacterial property of wool by a bio-enzymatic method, which belongs to the field of textile biotechnology. The method utilizes the catalysis of transglutaminase (MTG) to graft some natural compounds which contain primary amine groups and have antibacterial property onto wool to improve the antibacterial property of the wool. The method comprises the following process flows: wool pretreatment, treatment with an MTG-containing antibacterial finishing agent, washing and drying. Wool yarn or fabric treated by the method not only has improvement on the antibacterial property but also correspondingly has improvement on some other properties and particularly has great improvement in low-temperature dyeing property. Meanwhile, the method improves the strength of the wool yarn or the fabric, thereby playing a role in restoring strength. The strength-restoring function is an outstanding advantage of the method compared with other antibacterial finishing agents or antibacterial finishing processes. In addition, compared with chemical finishing, the treatment process of the method is free from pollution, healthier and friendlier to environment by adopting a bio-enzyme technique.

The invention relates to a mogroside based compound sweetener, a preparation method and application thereof. The invention provides a composite and natural compound sweetener using mogroside, traditional sweeteners and edible flavors to transform betel nut industry, extrusion pastry (commonly known as spicy strips) industry and natural compound sweetener industry and candied fruit industry, and a preparation method thereof. The mogroside containing compound sweetener at least includes: mogroside; a natural efficient sweetener; at least one sweetness improvement composition; at least spice; and at least one filler. The formula involved in the invention is directed at the betel nut industry, extrusion pastry (commonly known as spicy strips) industry and candied fruit industry, products of the industry all need sweetness that is several times higher than that of sucrose to cover, neutralize and improve peculiar smell, astringency, saline taste and bitter taste of the products, therefore existing ordinary condiments hardly meet the standards of ensured taste and flavor and no calorie or even 0 calorie. Also, the compound sweetener guarantees the sweetness and efficacy demands, at the same time has very good economical efficiency and effectiveness, and can acquire the best taste experience.

The invention discloses a natural compound-based soil conditioner, which belongs to the technical field of chemical pesticides. The natural compound-based soil conditioner comprises the following components in percentage by mass: 97 to 99 percent of wood vinegar or bamboo vinegar and 1 to 3 percent of chitosan. The invention is a chitonsan saline and alkaline soil conditioning liquid which can reduce the pH value of saline and alkaline soil, increase crop yield and improve the quality.

The invention relates to a natural silicon compound coated slow release fertilizer. The slow release fertilizer is prepared by adopting a natural silicon compound as a wrapper, adopting a disc granulation and fluidized bed method, bonding the wrapper to the surfaces of core fertilizer particles through a binder, and enclosing via spraying the external surface with molten wax. The silicon compound comprising Chinese medical stone, natural sands, silica sand and the like contains the silicon element essential to plants, has a density and a good strength, is wrapped on the fertilizer surface to form a compact coat layer, and the compact coat layer is enclosed by strongly lyophobic wax layer, so the slow release performance of a fertilizer is substantially enhanced. After the fertilizer is applied, nutrients are gradually released, natural wax can be completely degraded, and nutrient silicon can also be released by the silicon compound to meet the need of plants, so the secondary pollution problem of routine resin coated fertilizers is overcome. The slow release fertilizer has the advantages of good slow release performance, high hardness, good wear resistance, low cost and environmental protection, and can be widely applied to various plants comprising crops, vegetables, fruits, flowers and lawns.

The invention relates to application of osthole, and particularly provides application of osthole in the preparation of a marine antifouling paint. The molecular formula of the osthole is C15H16O3, the molecular weight is 244.29, and the chemical name is 7-methoxyl-8-isopentenyl coumarin. The osthole has obvious inhibiting effects on marine micro fouling organisms, marine macro soft fouling organisms and marine macro hard fouling organisms, indicates high-efficiency and broad-spectrum antifouling activities, and is widely applied to the preparation of the marine antifouling paint. Because the osthole is a natural compound, the marine antifouling composition prepared from the osthole does not contain toxic heavy metal compounds and can not pollute the environment. The osthole extraction and preparation process is simple and mature, thereby being beneficial to the popularization and application of the osthole in the preparation of the marine antifouling paint.

The invention discloses a natural compound sweetening agent and a preparation method thereof. The preparation method comprises the following steps of dissolving erythritol, a momordica grosvenori extract and stevioside into water; concentrating at temperature of 55 to 95 DEG C; crystallizing at pressure of -0.06 to -0.1MPa under the temperature of 50 to 70 DEG C; drying; and granulating to obtain the natural compound sweetening agent, wherein 97.8 to 99.9% of erythritol is added, and the sum of added momordica grosvenori extract and stevioside reaches 0.1 to 2.2% in mass percentage of raw materials. The sweetening agent prepared by the preparation method is high in purity, uniform in particle size and density, uniform in color and stabile in performance.

The present invention discloses boletus edulis Maillard flavor peptide and a preparation method thereof. The boletus edulis Maillard flavor peptide is prepared by the following step: carrying out enzymatic hydrolysis treatment on treated fresh boletus edulis or the remained leftover bits and pieces of the boletus edulis after processed; carrying out ultrafiltration enrichment of the flavor peptide, carrying out Maillard reaction, concentration and spraying drying, and obtaining the boletus edulis Maillard flavor peptide. The prepared boletus edulis Maillard flavor peptide is strong in fresh flavor, has a natural flavor, can effectively enhance mellowness and delayed permeation property of seasonings and food, and is an ideal food additive and freshener. The boletus edulis Maillard flavor peptide can be used as an additive for puffed food, instant food and meat products, and can be used as a basic raw material for new natural compound seasonings. The boletus edulis Maillard flavor peptide has good development prospects.

The invention discloses compound natural plant hair loss preventing liquid and a preparation method and application thereof in shampoo liquid. The compound natural plant hair loss preventing liquid comprises the following raw materials: yerbadetajo herb, tamariskoid spikemoss herb, parslane herb, raw sessile stemona root, Japanese honeysuckle stem, raw tuber of multiflower knotweed, raw astragalus, densefruit pittany root-bark, frostbitten mulberry leaf, angelica dahurica, chebule flesh, thick dried rehmannia, mume fruit, dried ginger, cochinchnese asparagus root, root of red-rooted salvia, aleppo gall and pomegranate rind. The preparation method comprises the following steps of: mixing the raw materials, and decocting in water to obtain decoction; removing impurities from the decoction, concentrating to form paste, and cooling to obtain a pasty substance; dissolving the pasty substance by using ethanol fully, standing, removing insoluble substances, and concentrating the obtained solution until the content of the ethanol is lower than or equal to 3 percent to obtain the compound natural plant hair loss preventing liquid. The compound natural plant hair loss preventing liquid is reasonable in combination of the raw materials, has the effects of promoting blood stasis, removing blood stasis, warming meridian, removing obstruction in channels, inhibiting bacteria and diminishinginflammation, can promote blood circulation of hair and has the effects of hair loss prevention, hair growth and hair nourishing.

The invention belongs to the technical field of medical and natural compound chemical intermediates and relevant chemicals and relates to a preparation method of substituted 1,2,3,4-tetrahydroquinoline. The preparation method of the substituted 1,2,3,4-tetrahydroquinoline is characterized by taking quinoline and derivatives thereof as raw materials, taking a nano porous palladium catalyst as a catalyst, taking hydrogen as a hydrogen source, and carrying out selective hydrogenation to prepare 1,2,3,4-tetrahydroquinoline, wherein the pressure of hydrogen is 0.1-20.0MPa; the molar concentration of quinoline and derivatives thereof in a solvent is 0.01-2mmol/mL; the catalyst porous framework size is 1-50nm; the mole ratio of quinoline and derivatives thereof to the catalyst is (1 to 0.01)-(1 to 0.5). The preparation method of substituted 1,2,3,4-tetrahydroquinoline has the beneficial effects that the product selectivity is high, the reaction condition is extremely mild, operation and post-treatment are simple, the catalyst reproducibility is high, the catalysis effect is not obviously reduced after being repeatedly used, and the possibility is provided for implementation of industrialization.

The invention belongs to the technical fields of biology and food and discloses a production process of high oleic acid superfine fragrant peanut oil. The production process of the high oleic acid superfine fragrant peanut oil comprises the following steps: 1) choosing raw materials; 2) cleaning; 3) removing red skins; 4) preparing a natural compound antioxidant; 5) roasting seeds; 6) squeezing; 7) filtering at low temperature; 8) storing peanut oil. The invention also discloses peanut oil prepared by utilizing the production process. The production process of the high oleic acid superfine fragrant peanut oil has the advantages that the oxidation stability of oil is improved, and nutritional ingredients of the peanut oil and rich original mellow are reserved; a peanut red skin extract is used as an antioxidant, so that oleic acid can be avoided from being oxidized; meanwhile waste materials are changed into things of value, and the cost is saved.

The invention discloses a PVC stabilizing agent, which comprises 50 to 75 weight parts of organic weak-acidic rare-earth salt and 25 to 50 weight parts of zeolite reactor. The organic weak-acidic rare-earth salt is prepared by reacting 1 mole part of organic weak acid with 1 to 5 mole parts of natural rare-earth compound under an alkaline conduction, wherein the organic weak acid is one or more than two of phenylformic acid, oleic acid, stearic acid and stearic acid; and the rare-earth compound is one or more than two of the natural compounds of lanthanum, cerium, neodymium and europium. The zeolite reactor is that zeolites absorbing maleic anhydrides are arranged in a channel and a cage. The PVC stabilizing agent of the invention has the advantages of small dosage, self-lubrication, yellowing resistance, no pock and the like; and the PVC material prepared by the stabilizing agent of the invention has good thermal stability and plasticity.

The invention discloses a colorful high-elastoplastic pen and a making method thereof. In the making method, 20-40% of polymer is used as a main body, 20-38% of white or colorless solid powder is used as a color carrying body, 2-20% of pigment is used as a dyeing body, and 2-20% of regulating agent is assisted properly; and after evenly mixing, the product disclosed by the invention is obtained by extrusion molding, cooling, solidifying and cutting at the temperature of 120-250 DEG C. The making process of the method is simple and environment-friendly, equipment is compact and convenient for use; the colorful high-elastoplastic pen does not adhere hands, is not broken off, is not faded and is not dyed, and color is clear when the colorful high-elastoplastic pen performs writing; and the colorful high-elastoplastic pen is convenient for carrying and storage, and has wide applicability and reliable safety. Because the pen disclosed by the invention has high elasticity and plasticity, the pen disclosed by the invention does not cause hard damage to a human body when in use; and simultaneously, in the pen, natural compounds or green chemical raw materials are adopted, thus the pen is safe to the human body, does not pollute environment, and is an environment-friendly and safe product.

The invention discloses a natural complex antioxidant applied to high-fat food, which is mixed with a flos sophora extract and a liquorice extract according to the weight ratio of 2:1. The synergist for the natural complex antioxidant is citric acid. The adding amount of the natural complex antioxidant applied to high-fat food is 0.15 percent of the weight of the high-fat food and the adding amount of the citric acid is 0.01 percent of the weight of the high-fat food; the natural complex antioxidant is applied to high-fat food, can prolong the shelf life of the high-fat food, has no harm to human body and is a natural, high-efficient and safe food antioxidant.