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100 results about "Octadecadienoic Acid" patented technology

A polyunsaturated long-chain fatty acid with an 18-carbon backbone and exactly 2 double bonds. There are numerous isomers and stereoisomers that can be called by this name.

Separation and identification of syringa amurensis rupr. bark volatile oil components and novel application

The invention belongs to the technical field of the research and development of medical products, and relates to the separation and identification of syringa amurensis rupr. bark volatile oil and a novel application. In the invention, syringa amurensis rupr. barks are taken, cut up after being dried, and processed by ultrasonic for one hour after being soaked by using distilled water for 6 to 8 hours, the temperature is 30 DEG C, and the power is 80W; medicinal materials and soaking liquid are poured into a volatile oil extractor together and are extracted for 4 to 5 hours by adopting a steam distillation method; a water layer is discharged, and the volatile oil extractor is repeatedly washed by ether to enable syringa amurensis rupr. volatile oil to be fully dissolved into the ether; and ether solution dissolved with the volatile oil is poured into a beaker, then anhydrous sodium sulfate is added into the beaker to suck up water, pure volatile oil is obtained after the ether is recovered, and the pure volatile oil is put into a refrigerator of 4 DEG C and preserved for standby. The syringa amurensis rupr. bark volatile oil is analyzed by using a 6890/5973N gas phase color spectrum and mass spectrum united instrument, and comprises the main chemical components of 27.46% of n-hexadecanoic acid, 28.52% of 9,12-octadecadienoic acid (Z,Z), 14.16% of 9,17-octadecadienal and 2.44% of tricosane. The syringa amurensis rupr. bark volatile oil has a suppressing function with different degrees for colibacillus, staphyiococcus aureus, pasteurella, streptococci and salmonella, can be developed into a natural antimicrobial agent applied to the industries of foods, medicines and the like, and can prepare various forms of products with a bacteriostatic function.
Owner:SHANDONG UNIV AT WEIHAI

Petroleum ether extract of traditional Chinese medicine for preventing and treating glucose and lipid metabolic disturbance and preparation method thereof

ActiveCN102091083AImprove securityPreserve the characteristics of traditional Chinese medicineHydroxy compound active ingredientsMetabolism disorderSalvianolic acid BCITRUS MEDICA FRUIT
The invention discloses a petroleum ether extract of traditional Chinese medicine for preventing and treating glucose and lipid metabolic disturbance, comprising the following active components: isoceryl alcohol, beta-sitosterol, n-hexacosane acid, butenolide III, oleanolic acid, berberine, jateorhizine, salvianolic acid B, lignocerane, 9,12-octadecadienoic acid, 5,7-dimethoxy coumarin and ginsenoside Rb1. The preparation method comprises the following steps: after extracting crude medicines of root of red rooted salvia, glossy privet fruit, coptis, thistle, eucommia, white atractylodes rhizome, pseudo-ginseng and finger citron by C1-3 alcohols and/or water, combining all the extracts, and extracting the total extract by petroleum ether to obtain the petroleum ether extract of traditional Chinese medicine for preventing and treating glucose and lipid metabolic disturbance. A big amount of inactive components in the original compound traditional Chinese medicine are removed from the extract provided by the invention, so that much more efficient extraction parts of the traditional Chinese medicines are obtained, and the extract has a stable preparation process, controllable quality and notable curative effect, and is convenient to use and be produced into various dosage forms.
Owner:青岛百里才鑫医药科技有限公司

Compound Chinese medicine extract preventing arteriosclerosis and preparation method thereof

The invention discloses a compound Chinese medicine extract preventing arteriosclerosis, comprising the following effective ingredients: dried alcohol, Beta-sitosterol, hexacosanoic acid, butenolide III, oleanolic acid, berberine, jateorhizine, coptisine, salvianic acid A, salvianolic acid B, ring-tetracosane, 9,12-octadecadienoic acid, 5,7-dimethoxy coumarin, specnuezhenide, ginsenoside Rb1 and Rg1, notoginsenoside R1, encommiol and the like. A preparation method of the extract is as follows: taking salvia miltiorrhiza, fructus ligustri lucidi, rhizoma coptidis, cirsium japonicum, eucommia bark, atractylodes macrocephala koidz, radix pseudo-ginseng and bergamot as raw materials, conducting C1-3 alcohol extraction and / or water extraction on a total extract, then extracting the total extract by organic solvents with different polarities so as to obtain all the effective ingredients, and finally mixing the effective ingredients so as to obtain the compound Chinese medicine extract preventing arteriosclerosis. As for the compound Chinese medicine extract, a large number of ineffective chemical ingredients are removed, so that the content of effective ingredients is improved greatly, the influence on product processing and preparation quality caused by the ineffective ingredients is reduced, the preparation process is stable, the product quality is controllable, and the mass production is facilitated.
Owner:QINGDAO BAILI CAIXIN MEDICAL TECH CO LTD

Method for purifying deep sea fish oil and deep sea fish oil lipid-reducing health product

The invention relates to a health product, which is characterized in that: the health product comprises timnodonic acid, docosahexaenoic acid, hexadecenoic acid, octadecenoic acid, octadecadienoic acid, octadecatrienoic acid, eicosatetraenoic acid and docosapentaenoic acid, wherein the mass summation of the timnodonic acid and the docosahexaenoic acid accounts for 35 to 40 percent of the total mass, and the mass summation of the hexadecenoic acid, the octadecenoic acid, the octadecadienoic acid, the octadecatrienoic acid, the eicosatetraenoic acid and the docosapentaenoic acid accounts for 60 to 75 percent of the total mass. The contents of fish oil extracts EPA and DHA prepared by the method are between 35 and 40 percent; and the deep sea fish oil prepared from the extracts taken as main raw materials has the advantages of having an obvious lipid-reducing effect, diversifying active ingredients, and achieving the effects of inhibiting platelet aggregation, lowering neutral lipid in blood, lowering cholesterol of low density lipoprotein and low density lipoprotein, increasing high density cholesterol, lowering blood viscosity, lowering cholesterol, preventing heart cerebrovascular diseases, reducing arterial pressure, alleviating gout and rheumatoid arthritis, improving the development of the brain and eyes and the like, so that the health product is the best choice of middle and old-aged people.
Owner:威海紫光生物科技开发有限公司

Method for extracting schisandra volatile oil with 9, 12-octadecadienoic acid serving as principal component through low temperature evaporation

InactiveCN103184105AImprove medical valueUse health and environmental protectionEssential-oils/perfumesOctadecadienoic AcidDistillation
The invention relates to a method for extracting schisandra volatile oil with 9, 12-octadecadienoic acid serving as a principal component through low temperature evaporation and belongs to the technical field of schisandra purification. According to the method, a molecular distillation device is used for performing first-stage, second-stage and third-stage molecular distillation on schisandra volatile oil which is obtained with a supercritical carbon dioxide extraction method sequentially. The conditions for the first-stage molecular distillation is that the distillation temperature is 80 DEG C, the pressure ranges from 500 Pa to 10000 Pa, and the rotation speed of a film wiping motor is 245 revolutions per minute; the conditions for the second-stage molecular distillation is that the distillation temperature is 150 DEG C, the pressure ranges from 10 Pa to 500 Pa, the rotation speed of the film wiping motor is 250 revolutions per minute; and the conditions for the third-stage molecular distillation is that the distillation temperature is 170 DEG C, the pressure ranges from 10 Pa to 50 Pa, and the rotation speed of the film wiping motor is 360 revolutions per minute. Finally 9, 12-octadecadienoic acid and the like are obtained, and the schisandra volatile oil is purified. The method can rapidly and effectively purify the schisandra volatile oil, the purification cost is reduced, medical and medicinal values of schisandra are increased, and the technology is energy-saving and environment-friendly.
Owner:CHANGCHUN UNIV OF TECH

High-temperature-resisting copolyamide hot melt adhesive for shoe material and processing method

The invention discloses a high-temperature-resisting copolyamide hot melt adhesive for a shoe material and a processing method. The hot melt adhesive is prepared from 50 percent of a component A and 50 percent of a component B according to the mol percent under the action of a catalyst, an auxiliary agent material and a surface drying regulator, wherein in the component A, the mol ratio of dimer acid is 70 percent to 90 percent and the mol ratio of fatty dibasic acid is 10 percent to 30 percent; the component B is diamine. The mol ratio of the dimer acid is 80 percent and the mol ratio of thefatty dibasic acid is 20 percent. The dimer acid is formed by octadecadienoic acid through mutual polymerization between molecules. The dimer acid comprises monomer acid, trimer or polymer, wherein inthe dimer acid, the content of the dimer acid is greater than or equal to 98 percent, the content of the monomer acid is less than or equal to 0.5 percent and the content of the trimer and the polymer is less than or equal to 2 percent. The high-temperature-resisting copolyamide hot melt adhesive for the shoe material has the beneficial effects of high temperature resistance, wide application range, good flexibility and high bonding strength.
Owner:温州华特热熔胶股份有限公司

Compound traditional Chinese medicine extract preventing glucose metabolism disturbance and preparation method thereof

The invention discloses a compound traditional Chinese medicine extract preventing glucose metabolism disturbance, comprising the following effective ingredients: dried alcohol, Beta-sitosterol, hexacosanoic acid, butenolide III, oleanolic acid, berberine, jateorhizine, coptisine, salvianic acid A, salvianolic acid B, ring-tetracosane, 9,12-octadecadienoic acid, 5,7-dimethoxy coumarin, specnuezhenide, ginsenoside Rb1 and Rg1, notoginsenoside R1 and encommiol. A preparation method of the extract is as follows: extracting raw material medicines by C1-3 alcohol and/or water, combining a total extract, extracting the total extract by organic solvents with different polarities so as to obtain all effective ingredients, and finally mixing the ingredients so as to obtain a product. As for the compound traditional Chinese medicine extract, a large number of ineffective chemical ingredients in Chinese medicine are removed, so that the content of effective ingredients is increased greatly, and the influence on product processing and preparation quality caused by the ineffective ingredients is reduced; and simultaneously, the preparation process is stable, the product quality is controllable, the mass production is facilitated, and the drug effect of the compound traditional Chinese medicine is improved.
Owner:青岛百里才鑫医药科技有限公司
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