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31results about How to "Positive color" patented technology

Method and device for extracting fat-soluble natural pigment

The invention provides a method and a device for extracting a fat-soluble natural pigment. The method comprises the following steps of: (1) performing pretreatment on a material, and then performing pressure reduction treatment on the treated material in an extraction container; (2) introducing a solvent into the extraction container to mix the solvent and the material, and extracting the mixture to obtain extract liquor; (3) putting the extract liquor into a vaporization separation device to separate out a crude extract of the fat-soluble natural pigment, and simultaneously separating the solvent, compressing and cooling the solvent, and then reclaiming the solvent for cyclic utilization; and (4) putting the crude extract of the fat-soluble natural pigment into a refining system to perform refining treatment to prepare a refined extract. The extraction device comprises an extraction separation system, the refining system, a solvent purification system, a vacuum system and a heat exchange system. The method and the device can improve the oxidation resistance and the stability of a product, and ensure the biological and chemical activities of the extracts; the product has pure and stable colors; the extraction rate is high; the solvent residue is low; the product has no peculiar smells; and the solvent is easy to reclaim for cyclic utilization.
Owner:YUNNAN REASCEND TOBACCO TECH GRP

Technology for preparing dimethylcyclosiloxane by performing acid-method inner depolymerization on organosilicon waste

The invention discloses a technology for preparing dimethylcyclosiloxane by performing acid-method inner depolymerization on organosilicon waste and relates to the technical field of chemical engineering. The technology comprises: 1) selecting raw materials, specifically selecting one or a mixture of silicone rubber scraps, glass cement, buttons, nipples, silicone oil and the like; 2) softening, specifically performing softening processing on the selected raw materials by adding dimethyl formamide; 3) preparing a catalyst, specifically selecting a mixture of sulfuric acid and sulfonic acid as a catalyst, and controlling the adding amount of sulfuric acid and sulfonic acid to be 3-30% by weight of the raw materials; and 4) reacting, specifically pouring the raw materials and the catalyst into a reaction vessel to perform a catalytic reaction at a temperature of 200-250 DEG C, after the reaction is finished, performing negative-pressure gas exhausting, and cooling to obtain a liquid, so as to obtain crude dimethylcyclosiloxane. According to the technology, organosilicon waste is taken as a raw material, sulfuric acid and sulfonic acid are taken as the catalyst, so that waste is fully reacted, the product demands are satisfied, and the prepared product is high in quality, pure in color, economic and environment-friendly.
Owner:DONGZHI OASIS ENVIRONMENTAL PROTECTION CHEM

Preparation method of isoniazid para-aminosalicylate

The invention relates to a preparation method of isoniazid para-aminosalicylate. The preparation method of isoniazid para-aminosalicylate comprises the following steps: (1) respectively weighting water and an organic solvent, mixing, adding para-aminosalicylic acid and isoniazid to a solvent of the water and the organic solvent, heating and stirring; (2) cooling and growing grains, and filtering to obtain isoniazid para-aminosalicylate, wherein the organic solvent is an organic ester with the carbon number of less than or equal to 6. By using the preparation method, the preparation of isoniazid para-aminosalicylate is realized at low cost and high efficiency in a water and ester two-phase solvent system under a simple, convenient and feasible technological condition. The content of isoniazid para-aminosalicylate prepared by the method is higher than 99%. Isoniazid para-aminosalicylate has good appearance crystal form, standard color and luster and good stability. The preparation method has the advantages of few reaction operating units, simple technological process, short time consumption, low production cost, environmental friendliness, simple operation and easiness for control on the implementation process and is suitable for the industrial production of isoniazid para-aminosalicylate.
Owner:GUANGZHOU BAIYUNSHAN PHARM CO LTD

Seeding method and cultivation method of bletilla striata

The invention provides a seeding method and a cultivation method of bletilla striata, and belongs to the technical field of planting of traditional Chinese medicinal materials. The seeding method of the bletilla striata includes: selecting root nodules of 20-40 bletilla striata, adding cooled boiled water in the root nodules after being smashed so as to obtain a bacteria solution; selecting 250-500g of humus soil and 25-50g of plant ash, mixing the humus soil and the plant ash uniformly to obtain mixed soil after drying; mixing and stirring the bacteria solution and the mixed soil uniformly to obtain a bactericide; then, cultivating bletilla striata tubers for breeding after mixing the bletilla striata tubers with the bactericide. Additionally, the cultivation method of the bletilla striata includes the above seeding method of the bletilla striata. The bletilla striata planted by adopting the above cultivation method is 95%-99% in transplanting survival rate and high in plant growth rate, and can be harvested 2 years after being planted. The harvested bletilla striata is large in size and good in quality, has fleshy rootstock, presents a normal color, and does not have a worm channel or rotted root, and rate of superior products of the bletilla striata can reach 90-97%, and furthermore compared with a conventional method of the bletilla striata, the yield per mu is improved by 40-60%.
Owner:贵州省武陵山药用植物白芨开发有限公司

Production method of porcine placenta polypeptides

The invention provides a production method of porcine placenta polypeptides, and belongs to the technical field of food processing. The production method of the porcine placenta polypeptides comprisesthe following steps: washing porcine placentas, and carrying out mincing so as to obtain minced porcine placentas; mixing the minced porcine placentas with water, wherein the mass of the water is 2-10 times of the mass of the minced porcine placentas, so as to obtain a porcine placenta solution; mixing the porcine placenta solution with compound enzymes, wherein the mass of the compound enzymes is 0.5-10% of the mass of the porcine placenta solution, so as to obtain a mixed solution; performing vacuum packing on the mixed solution, carrying out irradiating-sterilizing, and carrying out enzymatic hydrolysis for 4-24 hours so as to obtain enzymatic hydrolyzate; filtering the enzymatic hydrolyzate so as to obtain liquid supernatant; and then, performing spray-drying on the liquid supernatantso as to obtain the porcine placenta polypeptides. The production method of the porcine placenta polypeptides provided by the invention is high in yield, short in cycle, and free of pollution; and the porcine placenta polypeptides prepared by utilizing the production method can be developed into functional drinks and health products. Moreover, the porcine placenta polypeptide products are slightin boar odor and pure in color.
Owner:正大食品(襄阳)有限公司

Chinese herbal medicine lipstick having function of preventing cheilitis and preparation method of Chinese herbal medicine lipstick

The invention discloses a Chinese herbal medicine lipstick having function of preventing cheilitis. The Chinese herbal medicine lipstick having function of preventing cheilitis is prepared from the following raw materials in parts by weight of a radix astragali water extract, a radix astragali ether extract, a radix codonopsis water extract, a peach kernel extract, beeswax, edible toner, hyaluronic acid, jasmine flower wax, tea polyphenols, olive oil, refined chicken oil, vitamin C, diisostearyl malate, food-grade vaseline and modified attapulgite. The invention further provides a preparationmethod of the Chinese herbal medicine lipstick having function of preventing cheilitis. The Chinese herbal medicine lipstick having function of preventing cheilitis and the preparation method of the Chinese herbal medicine lipstick having function of preventing cheilitis provided by the invention have the beneficial effects that the problem that cheilitis is frequently generated in dried regions of northwest or northeast and the like can be solved, and the invention provides a milder product for crowds who are sensitive to common lipsticks. The Chinese herbal medicine lipstick having functionof preventing cheilitis has the efficacy of preventing cheilitis, treating cheilitis, nourishing lip, moisturizing, resisting bacteria and the like, and also has the advantages of being pure in taste,durable, easy to produce and the like.
Owner:NORTHWEST NORMAL UNIVERSITY +2

Momordica grosvenori drink formula

The invention discloses a momordica grosvenori drink formula. The formula is prepared by the following steps: washing dust and dirt on the surface of momordica grosvenori with clean water; crushing to100-200 meshes; boiling with water for 20-30min; performing reflux extraction; filtering; adding a crushed red date powder; boiling; performing reflux extraction again; adding crushed lemon; boiling;performing reflux extraction again; filtering; mixing; adding potassium sorbate, protein sugar and chickpea powder; uniformly stirring; filtering; and filling while the drink is hot. The momordica grosvenori drink formula is safe and convenient to drink; the mass ratio of dried momordica grosvenori powder to water is 1: 10; the digesting is performed for 30min under the temperature of 90 DEG C, so that the quality and taste of the processed momordica grosvenori drink can be improved, moreover, the functions of removing heat from the lung to relieve cough and improving the immunity can be realized; the chickpea powder is added and capable of delaying women cell ageing, keeping the skin elastic, beautifying skin, enlarging breast, reducing blood fat, reducing climacteric syndromes of women,preventing cancer cells from proliferation, balancing hormone level, controlling the blood sugar, and improving the syndromes of syndromes.
Owner:贺州市星辉科技有限公司

A kind of preparation method of isoniazid p-aminosalicylate

The invention relates to a preparation method of isoniazid para-aminosalicylate. The preparation method of isoniazid para-aminosalicylate comprises the following steps: (1) respectively weighting water and an organic solvent, mixing, adding para-aminosalicylic acid and isoniazid to a solvent of the water and the organic solvent, heating and stirring; (2) cooling and growing grains, and filtering to obtain isoniazid para-aminosalicylate, wherein the organic solvent is an organic ester with the carbon number of less than or equal to 6. By using the preparation method, the preparation of isoniazid para-aminosalicylate is realized at low cost and high efficiency in a water and ester two-phase solvent system under a simple, convenient and feasible technological condition. The content of isoniazid para-aminosalicylate prepared by the method is higher than 99%. Isoniazid para-aminosalicylate has good appearance crystal form, standard color and luster and good stability. The preparation method has the advantages of few reaction operating units, simple technological process, short time consumption, low production cost, environmental friendliness, simple operation and easiness for control on the implementation process and is suitable for the industrial production of isoniazid para-aminosalicylate.
Owner:GUANGZHOU BAIYUNSHAN PHARM CO LTD
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