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4766 results about "Natural product" patented technology

A natural product is a chemical compound or substance produced by a living organism—that is, found in nature. In the broadest sense, natural products include any substance produced by life. Natural products can also be prepared by chemical synthesis (both semisynthesis and total synthesis) and have played a central role in the development of the field of organic chemistry by providing challenging synthetic targets. The term natural product has also been extended for commercial purposes to refer to cosmetics, dietary supplements, and foods produced from natural sources without added artificial ingredients.

Edible and medical fungus cell component comprehensive extraction method and use of extract

The invention discloses an edible and medical fungus cell component comprehensive extraction method and use of extract, which belong to the technical field of natural product extraction and application. The method comprises: breaking walls of the cells of the edible and medical fungi by combining an enzymic process and ultrasonic waves; extracting the extract and fungus slag by processes of water extraction, alcohol extraction and fat extraction in different sequences to obtain various nutritive components and bioactive components, such as cellulose, protein, nucleic acid, polysaccharide and fatty acid. In the invention, due to the adoption of a wall breaking-first and extraction-second scheme, the extraction rate of the cell components of the edible and medical fungi is improved considerably; the extract is extracted by water extraction, alcohol extract and fat extraction in turn and the fungus slag is extracted by fat extraction, alcohol extraction and water extraction in turn, so the flavor of the edible fungi is retained effectively; the various cell components of the edible and medical fungi serving as raw materials are extracted comprehensively and further developed; and the extracted components are natural materials, have both nutritive and health-care and pharmacological effects and can be made into various products according to the characteristics of the extracted components.
Owner:JIANGSU ANHUI BIO TECH +1

Selection and rational development of solvent systems in counter-current chromatograph

Application of a reference mixture of natural products for systematic analysis and comparison of the properties of biphasic solvent systems in counter-current/partition chromatography. Because the reference mixture is comprised of compounds with varying polarities, functional groups, and structural features it provides a rational method for mapping the optimal resolution polarity range of a particular solvent system. The mapping of optimal resolution polarity ranges of solvent systems provided for the description of the overall optimal resolution polarity range of a solvent system family, comprised of the same solvents in different proportions. By comparing the reference mixture performance in the individual members of a solvent system family, the solvent system that best functions as the representative of, or portal to, the solvent system families is determined. Use of the reference mixture also afforded a method to compare the overall optimal resolution polarity ranges of solvent system families. Based on performance of reference mixture chromatograms, the CCC properties of solvent systems, can be compared and their CCC potential examined. The methods of the invention employing the reference mixture provides was used to identify a quaternary solvent system, hexane/t-butylmethylether/acetonitrile/water (HterAcWat), which was found to be useful for CCC of mixtures containing natural products.
Owner:THE BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS

Ultrasonic reinforced subcritical water extraction method of natural product effective ingredient and device

The invention provides an extraction method and a device used for extracting ultrasonic reinforced sub-critical water of effective component of a natural outcome. The method is mainly characterized in that a pre-disposed raw material is arranged in an extraction kettle; the sub-critical water is taken as an extraction solvent to carry out the exaction under the conditions of 1 to 20MPa of extraction pressure, 50 to 500W of ultrasonic power and 20 to 80KHz of ultrasonic frequency. The method has high extraction efficiency and short extraction time. The device is mainly characterized in that the extraction kettle is provided with an ultrasonic reinforced part which comprises an ultrasonic generator and an energy changing head; the ultrasonic generator is arranged on the external surface of the extraction kettle and at the upper part of the extraction kettle; the energy changing head and the extraction kettle cover are processed into a whole; the piezoelectric ceramic wafer of the energy changing head is arranged at the upper end of the extraction kettle cover; the variable-spoke rod of the energy changing head is directly arranged in the extraction kettle by the extraction kettle cover. The device can carry out selectable exaction of the articles to be extracted by changing the extraction parameters (temperature, pressure, time, etc.), thus realizing static extraction or dynamic circulation extraction.
Owner:SOUTH CHINA UNIV OF TECH
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