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A continuous extraction and rectification separation method of dimethyl carbonate and methanol azeotrope. The invention relates to a method for separating dimethyl carbonate and methanol, which mainly solves the problem of unstable device operation during continuous production when ionic liquid is used as an extraction agent. The separation method is extractive distillation, and the extractive distillation adopts a mixed extractant, wherein one of the mixed extractant is an ionic liquid whose anion is hexafluorophosphate, and the second of the mixed extractant is diethylene glycol dimethyl ether, One of triethylene glycol dimethyl ether or tetraethylene glycol dimethyl ether. The separation method can realize continuous separation of dimethyl carbonate and methanol, has stable product quality and device operation, and can be used in industrial production processes.

The invention discloses a plant extract composition for preventing and treating arteriosclerosis, which comprises a panax notoginseng saponin extract and a total coptis alkaloid extract. The invention also discloses a preparation method for the composition, which comprises the following steps of: performing C1-3 alcohol extraction on pseudo-ginseng, mixing to obtain a total extract, concentrating, and removing nonsaponin components from the total extract to obtain the panax notoginseng saponin extract; and adding C1-3 alcohol into golden thread for reflux extraction, recovering the C1-3 alcohol, concentrating, dissolving alkaloid precipitate with acid for recrystallization, separating out the total coptis alkaloid extract, and mixing the panax notoginseng saponin extract and the total coptis alkaloid extract to obtain the plant extract composition for preventing and treating arteriosclerosis. A large number of ineffective chemical components in the conventional compound Chinese traditional medicine are removed, the active ingredient content is greatly improved, and the influence of the ineffective components on product processing and preparation quality and safety is reduced, so that the active ingredients are definite, the preparation process is stable, the product quality is controllable, the industrial production is facilitated, the medicinal effect of resisting arteriosclerosis is obviously improved, and the effect of preventing and treating the arteriosclerosis is more stable and better.

The invention provides stable pitaya stem powder difficult in moisture absorption and a production method thereof.The pitaya stem powder is produced by mixing pitaya stem slurry, beta-cyclodextrin, maltodextrin, lecithin, konjac glucomannan and water-soluble chitosan through formula I, performing vacuum spray drying or vacuum freeze drying and adding anti-caking agent, and the granularity of the pitaya stem powder is not smaller than 60 mesh.The production method includes raw material processing, swelling, mixing, homogenizing, performing vacuum spray drying or vacuum freeze drying, adding anti-caking agent, crushing, sieving and the like.The pitaya stem powder has the advantages that the moisture absorption rate of the pitaya stem powder is lowered evidently, and the pitaya stem powder is high in stability, capable of being added to food made of flour to serve as raw material, rich in nutrition, bright in color, capable of avoiding waste of a large amount of pitaya stems, capable of increasing the overall utilization value of pitaya plants and capable of increasing economic benefits.

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.

The invention relates to a making method for a selenium-rich red-date wolfberry ginger soup. The selenium-rich red-date wolfberry ginger soup comprises the following raw materials by weight: 20 to 30 parts of ginger, 20 to 30 parts of red dates, 20 to 30 parts of wolfberries, 20 to 30 parts of brown granulated sugar and 20 to 30 parts of oligomeric mannose. The making method comprises the following steps: slicing the ginger and then cooking and drying the sliced ginger; subjecting the red dates and wolfberries to stoning and then to drying; mixing the dried red dates and wolfberries so as to obtain a mixture and emulsifying the mixture; subjecting an emulsification product to high-speed dispersion via a combination of an electric field and ultrasonic treatment; then adding brown granulated sugar and oligomeric mannose; and successively carrying out mixing, crushing and sieving so as to obtain the selenium-rich red-date wolfberry ginger soup. The selenium-rich red-date wolfberry ginger soup obtained in the invention is rich in nutrients and tastes soft.

The invention discloses a Chinese medicinal composition for treating chronic gastritis. The Chinese medicinal composition is characterized by comprising the following bulk pharmaceutical herbs in parts by weight: 10-14 parts of heterophylly falsestarwort root, 10-20 parts of white atractylodes rhizome, 10-20 parts of poria cocos, 8-12 parts of ginger processed pinellia, 1-5 parts of medicinal evodia fruit, 8-12 parts of Chinese thorowax root, 8-16 parts of akebia fruit, 2-6 parts of dried ginger, 10-20 parts of immature bitter orange, 6-10 parts of dried tangerine or orange peel, 6-10 parts of officinal magnolia bark, 8-12 parts of baical skullcap root, 2-6 parts of coptis root, 12-18 parts of cuttlefish bone, 9-15 parts of corydalis tuber, and 12-18 parts of common bletilla pseudobulb. A better effect can be achieved by adding notholirion bulbuliferum, bract machilus bark, angelica polymorpha Maxim and lovely hemsleya root. Meanwhile, a modern superfine grinding technology and a cell disruption technology are adopted to prepare Chinese medicinal superfine powder, and the Chinese medicinal composition can be orally taken directly or taken after being mixed with boiled water, can be used to rapidly alleviate symptoms of the chronic gastritis, has stronger effects of invigorating spleen, supplementing qi, warming and harmonizing stomach, and promoting qi circulation to relieve pain, treats both symptoms and root causes, has a rapid curative effect, and is convenient to produce and take and low in preparation cost at the same time, thereby having good popularization values.

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.

The invention relates to a method for separating dimethyl carbonate and methanol, which mainly solves the problem of unstable device operation during continuous production when ionic liquid is used as an extraction agent. The separation method is extractive distillation, and the extractive distillation adopts a mixed extractant, wherein one of the mixed extractant is an ionic liquid whose anion is tetrafluoroborate, and the second of the mixed extractant is diethylene glycol dimethyl ether, One of triethylene glycol dimethyl ether or tetraethylene glycol dimethyl ether. The separation method can realize continuous separation of dimethyl carbonate and methanol, has stable product quality and device operation, and can be used in industrial production processes.