98results about How to "The process method is environmentally friendly" patented technology

The invention relates to the field of extraction and separation of traditional Chinese medicines, particularly to a novel compound extracted, separated and identified from a portulaca oleracea medicinal material and an extraction and separation method and more particularly to a compound Oleracone D in portulaca oleracea and an extraction and separation method of the compound Oleracone D. The molecular formula of the novel compound is C17H14O5. Researches find that the novel compound has anti-inflammatory and anti-oxidation functions. Meanwhile, the extraction and separation method which is convenient, rapid, environmentally friendly and high in purity and used for the novel compound is provided.

The invention especially relates to identified alkaloid compounds with novel skeletons extracted and separated from purslane and an extraction and separation method thereof, belonging to the field of extraction and separation of traditional Chinese medicines. The alkaloid compounds with novel skeletons have molecular formulas of C18H26N2O, C18H24N2O2 and C18H28N2O2, respectively, and are named as oleracimine, oleracimine A and oleracone A, respectively. The invention also provides an extraction and separation method for the novel components. The extraction and separation method successively carries out extraction through water decoction, ethyl acetate extraction and column chromatography on silica gel, an ODS medium-pressure column and Sephadex LH-20 so as to successfully extract and separate the novel alkaloid compounds with unique skeletons. The novel alkaloid compounds have anti-inflammatory, pain-easing and antineoplastic effect. The compounds and salts or derivatives thereof can be used as lead compounds for synthesis of other compounds and as raw materials for development of novel drugs and research on pharmacological activity, and are applicable to preparation of anti-inflammatory, pain-easing and antineoplastic drugs or health products.

The invention discloses a flexible fabric-based strain sensor and a preparation method thereof, and belongs to the technical field of sensors. The preparation method comprises the following steps of (1) pretreating an elastic fabric; (2) modifying the pretreated elastic fabric by using dopamine or a derivative thereof; (3) dipping the elastic fabric modified by dopamine or the derivative thereof in a dispersion liquid of graphene or the derivative thereof, drying, reducing, washing and drying; and (4) dipping the elastic fabric obtained in the step (3) in a mixed dispersion liquid of silver nitrate and carbon nanotubes or derivatives thereof, drying, reducing, washing, and drying to obtain the flexible fabric-based strain sensor. Due to the addition of dopamine or the derivative thereof, the problems that a carbon material is poor in dispersity and easy to agglomerate are solved, the bonding firmness problem of a conductive material and a matrix in the sensor is solved, and meanwhile the problems of low sensitivity, wide strain and the like of an existing flexible strain sensor are solved.

The invention relates to the traditional Chinese medicine extracting and separating field, and particularly relates to a new compound extracted, separated and identified from the compound Oleracone Ein herba portulacae and its extracting and separating method, especially relates to the compound Oleracone E in herba portulacae and its extracting and separating method. The molecular formula of thecompound is C17H1805. The study finds that the new compound has the anti-inflammatory and anti-oxidizing effects; meanwhile, the invention provides a simple, rapid, environment-friendly, and high-purity extracting and separating method specific to the new compound.

The invention relates to oleralignan in portulaca oleracea as well as an extraction and separation method and applications thereof, in particular relates to a new lignans compound extracted, separatedand identified from the portulaca oleracea as well as the extraction and separation method thereof. The molecular formula of the new compound is C18H16O4, and the new compound is named as oleralignan. The invention further provides the extraction and separation method of the new compound, which is adopted for successfully extracting and separating the new lignans compound by performing the following steps in turn: extraction by boiling with water, silica gel column chromatography, polyamide column chromatography, ODS medium pressure column chromatography and Sephadex LH-20 separation. The structure of the oleralignan is identified to be the new lignans compound by the method of analyzing mass spectroscopy, carbon spectroscopy, hydrogen spectroscopy and two-dimensional nuclear magnetic resonance spectroscopy, and the new lignans compound has anti-tumor and antioxidant effects. The new compound provided by the invention as well as the salts or derivatives thereof can be taken as primersfor synthesizing other compounds and raw materials for developing new medicines and studying pharmacological activity.

The invention discloses a method for fermentation production of adenine. The method comprises the steps of fermentation cultivation, crude product extraction and fine product extraction in sequence, specifically, fermentation cultivation comprises the steps that adenine seeds are inoculated onto a culture medium, and after fermentation, an adenine fermentation broth containing the adenine is obtained; crude product extraction comprises the steps that the adenine fermentation broth is subjected to the steps of fermentation broth inactivation, solid-liquid separation, filtrate concentration, adsorption elution, eluent concentration, temperature-decreasing crystallization, and an adenine crude product is obtained; and fine product extraction comprises the steps that the adenine crude productis added with purified water to be dissolved and put into activated carbon for decolorization, and crystallization and drying are performed to obtain an adenine fine product. According to the method,raw materials are wide in source, the production cost is low, a process technology is mature, environmental protection is achieved, the product purity is high, and the method is suitable for industrial production.

The invention relates to the field of extraction and separation of traditional Chinese medicines, in particular to a new compound extracted, separated and identified from a portulaca oleracea medicinal material, an extraction and separation method and application thereof, and particularly relates to an extraction and separation method and application of a furan ring compound in portulaca oleracea.The extraction and separation method of the new compound sequentially adopts ethanol extraction, silica gel column chromatography, polyamide column chromatography, macroporous resin column chromatography, ODS medium-pressure column and Sephadex LH-20 purification, and liquid phase separation for preparation. The structure of the compound is determined as a new furan ring compound by adopting UHPLC-ESI-TOF-MS, <1>H-NMR, <13>C-NMR and two-dimensional nuclear magnetic spectrum analysis method. The compound has potential anti-inflammatory and neuroprotective effects and other activities, the newcompound and salts or derivatives thereof can be used as other compound synthesis primers and raw materials for new drug development and pharmacological activity research, and the primer and theoretical basis are provided for new drug development and new component development.

The invention discloses an alkaloid compound extracted from orychophragmus violaceus seeds and an extraction method and application of the alkaloid compound. The alkaloid compound is extracted from orychophragmus violaceus seeds, and the chemical structural formula of the alkaloid compound is shown as a formula (1). The alkaloid compound provided by the invention has a good liver protection effect, can be used as a synthetic primer of other compounds and a raw material for new drug development and pharmacological activity research, and can also be used for preparing liver protection drugs. Inaddition, the extraction method is simple, convenient and rapid, the process method is environment-friendly, and the purity is greater than 98%.

The invention discloses a preparation method of a TiO2/Ni2P heterojunction visible-light photocatalyst with defects, and belongs to the technical field of preparation and application of nano materials. The preparation method comprises the following steps: firstly, doping Ni < 2 + > into semiconductor TiO2 for artificial introduction of surface oxygen defects, carrying out solid phase thermal reduction to realize reduction precipitation of a part of Ni < 2 + > in crystal lattices, and loading on the surface of TiO2; carrying out phosphating treatment to form the TiO2/Ni2P heterojunction visible-light photocatalyst with defects. Because of Ni doping and introduction of surface oxygen defects, TiO2 band gap is narrowed, the light absorption range is expanded to a visible light region. The H2yield in unit time is used for evaluating the catalytic performance of the catalyst. The method is simple, environment-friendly and high in catalytic efficiency; the catalyst has potential applicationvalue in the aspect of hydrogen production through visible light catalytic water decomposition.

The invention relates to the field of traditional Chinese medicine extraction and separation, in particular relates to a new flavonoid compound extracted, separated and identified from purslane and anextraction separation method and application thereof, and in particular relates to Oleracone H in purslane and an extraction separation method and application thereof. The molecular formula of the new compound is C13H14O6 and is named as Oleracone H. The extraction and separation method of the new compound sequentially comprises water decoction extraction, silica gel column chromatography, polyamide column chromatography, ODS medium pressure column and Sephadex LH-20 separation, and the new flavonoid compound is successfully extracted and separated, and is structurally identified as a new flavonoid compound by mass spectrometry, carbon spectrometry, hydrogen spectrometry and two-dimensional nuclear magnetic spectrum analysis methods. Studies show that the novel compound has anti-tumor andanti-oxidation effects, and the novel compound and salts or derivatives thereof can be used as precursor compounds for synthesizing other compounds, as well as raw materials for new drug developmentand pharmacological activity research, and can be used for preparing anti-tumor and anti-oxidation drugs.

The invention relates to the field of traditional Chinese medicine extraction and separation, in particular to three alkaloid compounds extracted, separated and identified from purslane and an extraction and separation method thereof. The molecular formulas of the three alkaloid compounds are respectively C16H15NO5, C13H11NO3 and C14H13NO3, and the three alkaloid compounds are respectively named as 4,9,10-trihydroxy-2-methoxy-6,7-dihydrodibenzo [b,e]azocin-12(5H)-one, 9,10-dihydroxy-5,6-dihydro-11H-benzo[d]pyrrolo[1,2-a]azepin-11-one, and 8,9-dihydroxy-6,11-dihydro-5H-benzo[d] pyrrolo[1,2-a]azepine-3-carbaldehyde. The invention further provides an extraction and separation method of the alkaloid compounds. The extraction and separation method sequentially comprises the steps of ethanol reflux extraction, silica gel column chromatography, ODS medium-pressure column and hydroxypropyl dextran column chromatography purification and HPLC separation and preparation. The structures of the novel alkaloid compounds are determined by adopting methods of 1H-NMR, 13C-NMR and UHPLC-ESI-TOF-MS. The three compounds have potential anti-inflammatory and anti-cholinesterase activities and the like, a preparation method is provided, and a primer and a theoretical basis are provided for developing new drugs and new components.

The invention relates to the fields of extraction and separation of Chinese traditional medicines and in particular relates to two novel flavonoid compounds extracted, separated and identified from purslane as well as an extraction and separation method of the two flavonoid compounds. Molecular formulae of the two novel flavonoid compounds are respectively C18H16O5 named 3-(2-hydroxybenzyl)-6,8-dimethoxy-4H-chromen-4-one and C18H18O5 named 3-(2-hydroxybenzyl)-6,8-dimethoxychroman-4-one. The invention further provides the extraction and separation method of the novel compounds, and separation,purification and preparation are performed by sequentially adopting decoction extraction, silica column chromatography, polyamide column chromatography, ODS medium-pressure column purification, Sephadex LH-20 and recrystallization. The novel compounds adopt the structures of HR-ESI-TOF-MS, 1H-NMR and 13C-NMR and are authenticated as two novel flavonoid compounds by adopting a two-dimensional nuclear magnetism spectrum method. The novel flavonoid compounds have potential anti-inflammatory, anti-tumor and anti-oxidation activities, and the novel flavonoid compounds and salts or derivatives thereof can be used as primers for synthesizing other compounds and raw materials for novel drug development and pharmacological activity research to prepare anti-inflammatory, anti-tumor and anti-oxidation drugs or health care products.