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80results about How to "No residual toxicity" patented technology

Application of alpinia officinarum hance diarylheptanes compound in pain-alleviating and anti-inflammatory and its extracting method

InactiveCN101125136ANo residual toxicityNot easy to decompose and destroyAntipyreticAerosol deliveryAdditive ingredientDistillation
The present invention discloses an application of galangal diphenyl heptane compounds in analgesic and anti-inflammatory field and the extraction method. The present invention finds the new medical usage of the galangal diphenyl heptane compounds through the long-term studies and can be used in the preparation of the analgesic and anti-inflammatory drugs. The present invention adopts the supercritical carbon dioxide extraction method to extract the lipophilic effective active ingredients diphenyl heptane compounds from the galangal, the extraction efficiency is high, the present invention has no solvent residue toxicity, the natural active ingredients and the thermosensitive ingredients are not easy to be decomposed and damaged, so the natural characteristics of the natural extract can be maintained to the maximum extend. The present invention adopts the molecular distillation technology which is the most modest means for distillation and separation, thus overcoming the shortcomings of high temperature and long heating time in the traditional distillation operations, so the present invention is especially applicable to the separation of the materials with high boiling point and the thermosensitive materials.
Owner:GUANGDONG PHARMA UNIV +1

Peanut growing control medical fertilizer wettable powder and method for controlling growth and increasing yield of peanut plants

The invention relates to a peanut growing control medical fertilizer wettable powder and a method for controlling growth and increasing yield of peanut plants, wherein the peanut growing control medical fertilizer wettable powder comprises plant growth regulator adjustable ring acid calcium, brassinolide, bactericide azoxystrobin, macroelement water-soluble fertilizers, microelements and assistants. The peanut growing control medical fertilizer wettable powder and the method for controlling growth and increasing yield of the peanut plants solve a premature aging phenomenon of peanuts because a large amount of growth control agents such as paclobutrazol are used, effectively prevent and control fungal diseases such as leaf spot diseases and the like and supplies nutrient substances required by legumes, and achieves to solve many problems by spraying at one time. Stem leaves are sprayed with the peanut growing control medical fertilizer wettable powder in full-bloom stages and legumes stages, thereby increasing yield 15%-20%. The peanut growing control medical fertilizer wettable powder and the method for controlling growth and increasing yield of the peanut plants are simple to prepare, save labor in operation, are obvious to control growth and increase yield, and are suitable for industrial production and application.
Owner:KINGENTA ECOLOGICAL ENG GRP +2

Application of gamma-aminobutyric acid in improving salt stress resistant capacity of corn

ActiveCN106165621AImprove salt stress toleranceHigh activityHorticulture methodsPeroxidaseGlutamate decarboxylase activity
The invention discloses application of gamma-aminobutyric acid in improving salt stress resistant capacity of corn, relates to application of gamma-aminobutyric acid in growth and development of the corn, and aims at providing new application of gamma-aminobutyric acid. Gamma-aminobutyric acid has a regulating effect on oxidative damage and enzymatic activity of corn leaves under salt stress, the content of malonaldehyde in corn seedling leaves under the salt stress is decreased, the content of superoxide anions in the leaves is decreased, the content of superoxide dismutase in the leaves is decreased, improvement of peroxidase activity is promoted, the activity of an antioxidase system under NaCl stress is improved, the regulating effect on corn seedling nitrogen metabolism under the salt stress is achieved, the content of soluble protein of the corn leaves and root systems under the salt stress is increased, and pyruvic acid content, glutamine synthetase activity, glutamate synthase activity, glutamate dehydrogenase activity and glutamate decarboxylase activity in the corn leaves and the system roots under the salt stress are decreased. The application of gamma-aminobutyric acid in improving the salt stress resistant capacity of the corn is used in the field of corn cultivation.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Method for extracting puerarin from residue of radix puerariae

The invention discloses a method for extracting puerarin from residue of radix puerariae, which comprises the following steps: extracting kudzuvine root starch to obtain slag and drying, performing ultramicro crushing to obtain the particles with diameter being 1-20 micrometers; mixing the crushed residue of radix puerariae and ethanol, adding beta-cyclodextrin and performing ultrasonic extraction; performing heating reflux, performing pumping filtration for extracting puerarin; performing rotary evaporation on a filtrate to a stiff paste, simultaneously recovering ethanol, drying the obtained extract under vacuum; and performing supercritical carbon dioxide extraction on the extract to obtain the puerarin. According to the invention, beta-cyclodextrin can increase the puerarin solubility and dissolution speed from the root of kudzu vine. The method for performing supersonic wave extraction, separating and purifying puerarin has the advantages of short production period, high efficiency, simple equipment, little boiler heat supply and cooling water, saved energy consumption, reduced environment pollution, and low product cost. A used extractant (CO2) is gas which is easily removed, the obtained product has no residual toxicity, and is especially suitable for medicine and food industries.
Owner:JINGCHU UNIV OF TECH

Kiwi fruit preservative, preparation method thereof and kiwi fruit preservation method

InactiveCN107173434ASignificant antibacterial and antiseptic effectReduce dosageFood ingredient as antioxidantNatural extract food ingredientsFiberActinidia
The invention provides a kiwi fruit preservative, a preparation method thereof and a kiwi fruit preservation method and relates to the technical field of preservation and storage of fruits and vegetables. The kiwi fruit preservative is prepared from raw materials including perilla nankinensis extract, garlic extract, fructus forsythiae extract, rhizoma galangae extract, mango extract and plant fiber. The preservative has the advantages of realizing sterilization and preservation and is non-toxic and low in cost. The preparation method comprises steps as follows: water and the plant fiber are mixed, a mixture is obtained and is heated and filtered, and a filtrate is obtained; the filtrate is mixed with the perilla nankinensis extract, the garlic extract, the fructus forsythiae extract, the rhizoma galangae extract and the mango extract. The technology of the preparation method is simple, and the preservative with excellent performance can be prepared effectively. The preservation method comprises the steps as follows: the preservative is sprayed to the surface of a kiwi fruit, and the kiwi fruit sprayed with the preservative is sleeved with a plastic bag provided with air holes. The preservation method is simple and reliable to operate and high in efficiency.
Owner:修文谷堡沁香猕猴桃生态园

Activated freshness-keeping carton and manufacturing method thereof

The invention discloses an activated freshness-keeping carton comprising a carbon body and a freshness-keeping agent layer arranged on the inner wall of the carbon body. The freshness-keeping agent layer is composed of, by mass, 25%-40% of a freshness-keeping material and 60%-75% of ink. The freshness-keeping material in the freshness-keeping agent layer has the freshness-keeping function on fruits and vegetables in the packaging carton, especially tropical fruits. The manufacturing technology of the activated freshness-keeping carton is simple, and cost is low. The activated freshness-keeping carton is convenient to use in daily storage or in the transportation process and occupies small space, and common peasant households can purchase the activated freshness-keeping carton. Compared with a traditional refrigeration house and a controlled atmosphere fresh-keeping manner, the activated freshness-keeping carton significantly lowers the storage cost of the fruits, and the storage time of the fruits is effectively prolonged to 1-3 times. The invention further discloses a manufacturing method of the activated freshness-keeping carton. The manufacturing technological process is simple, the manufacturing conditions are gentle, and the activated freshness-keeping carton is suitable for mass industrial production.
Owner:SHENZHEN YUTO PACKAGING TECH

Biochemical decontamination agent and preparation method thereof

The invention discloses a biochemical decontamination agent and a preparation method of the biochemical decontamination agent, and belongs to the application field of sanitizers. Components and mass percentage contents of the components are shown as below on the basis of taking the total mass of the decontamination agent as 100%: 15.5% to 30% of 1-Bromo-3-chloro-5,5-dimethylhydantoin; 10% to 25% of dibromohydantoin; 20% to 30% of sodium percarbonate; 20% to 30% of sodium carbonate; 2% to 6.5% of chelating agent; 0% to 10% of surfactant. Mixing the sodium carbonate and the sodium percarbonate evenly after being screened under the condition of 20 Celsius degrees to 25 Celsius degrees, a constant pressure, and the relative humidity equal to or less than 40, and mixture is obtained. Adding the dibromohydantion, the 1-Bromo-3-chloro-5,5-dimethylhydantoin, the surfactant and the chelating agent into the mixture sequentially under the temperature of 20 Celsius degrees to 30 Celsius degrees, the constant pressure and the relative humidity equal to or less than 40 evenly, and therefore the biochemical decontamination agent is obtained. The biochemical decontamination agent is small in metal corrosivity, does not produce residual toxicity after usage, and does not cause secondary pollution.
Owner:ENG DESIGN RES INST OF SECOND ARTILLERY PLA

Chinese medicinal composition for promoting blood circulation, removing blood stasis, promoting qi circulation and relieving pain and preparation method thereof

The invention relates to a Chinese medicinal composition for promoting blood circulation, removing blood stasis, promoting qi circulation and relieving pain and a preparation method thereof. The Chinese medicinal composition comprises the following components in part by weight: 7.5 to 22.5 parts of hawthorn fruit, 7.5 to 22.5 parts of root of red-rooted salvia, 7.5 to 22.5 parts of kudzuvine root, 1 to 3 parts of notoginseng root and 1 to 3 parts of costustoot. The preparation method for granules comprises the following steps of: crushing notoginseng root and costustoot to form 150 to 250-mesh fine powder by using a micro powder crusher for later use; crushing hawthorn fruit, root of red-rooted salvia and kudzuvine root for form coarse powder; extracting active ingredients from the coarse powder by using supercritical carbon dioxide fluid, after extracting, reducing system pressure to normal pressure, and precipitating and separating extracted substances to obtain extractum; and drying the extractum, crushing the extractum to form 150 to 250-mesh fine powder, mixing with the fine powder of notoginseng root and costustoot and proper amount of dextrin and stevioside uniformly to prepare granules, and packaging to obtain the Chinese medicinal composition. The preparation method has a simple production process, and is high in extraction speed, the active ingredients are easy to separate, the Chinese medicinal composition does not have residual toxicity, and is high in purity and good in curative effect, and structures and properties of active substances are not damaged.
Owner:湖南恒伟药业股份有限公司

Sterilization balls removing pesticide residues, bacteria and pathogenic bacteria and sterilization method thereof

The present invention relates to sterilization balls removing pesticide residues, bacteria and pathogenic bacteria and a sterilization method thereof. The sterilization balls are characterized by being composed of a clamp cover, a positive electrode mesh slice, a polar phase separating ring, a negative electrode mesh slices, an upper shell body, a circuit board, a storage battery and a lower shell body. The positive electrode mesh slice and the negative electrode mesh slice are separated by the polar phase separating ring and fixed on the upper shell body. One lead foot is respectively arranged on the positive electrode mesh slice and the negative electrode mesh slice, the lead feet are arranged oppositely and respectively connected to the circuit board, and the circuit board and the storage battery are respectively arranged in the lower shell body; the storage battery supplies powder for the circuit board; the lower shell body is not communicated with the upper shell body and sealedly connected with the upper shell body via a seal ring; after the upper shell body is connected with the lower shell body, the whole body presents spherical; and water enters from an opening of the upper shell body and passes the positive electrode mesh slice and the negative electrode mesh slice.
Owner:上海禹清环境技术有限公司

Method for extracting tanshinol

The invention provides a method for extracting tanshinol. The method comprises the following steps: (1) feeding a pretreated salvia miltiorrhiza material to a supercritical CO2 extractor, and carrying out supercritical extraction in a manner of taking acid water with the pH of 2.0 to 4.0 as an entrainer, so as to obtain a liquid extract; and (2) adjusting the pH of the liquid extract obtained in the step (1) to 8 to 11, then, carrying out transformation at the temperature of 120 DEG C to 130 DEG C, and then, carrying out rotary-evaporation concentrating, thereby preparing the tanshinol. According to the method, the acid water serves as the entrainer, salvianolic acid ingredients are extracted from the salvia miltiorrhiza material to the maximum in one step through supercritical CO2 extraction, the obtained liquid extract is then subjected to high-temperature one-step transformation, and thus the tanshinol is obtained. According to the method, extraction and separation steps are reduced greatly, the operation is simple, the efficiency of extraction of the tanshinol is high, solvent residual is absent, natural active ingredients and thermo-sensitive ingredients are not prone to decomposed destruction, and thus the natural features of the extract can be maintained to the maximum.
Owner:GUIZHOU JINGFENG INJECTION
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