230results about How to "Protect active ingredients" patented technology

The invention belongs to the field of pharmacy and relates to a medicinal preparation taking esomeprazole magnesium as an active ingredient, in particular to an esomeprazole magnesium enteric-coated pellet and a preparation method thereof. According to the esomeprazole magnesium enteric-coated pellet, medicines can be rapidly released in intestinal tracts. The esomeprazole magnesium enteric-coated pellet comprises the following structural layers in sequence from inside to outside: a medicine-contained layer, an isolation layer and an enteric-coated layer.

The invention relates to the technical field of extracting and concentrating of the traditional Chinese medicine, and in particular relates to a method and a device for extracting and concentrating the traditional Chinese medicine. The method for extracting and concentrating structurally comprises an extracting unit and a concentrating unit, wherein the extracting unit comprises an extracting tank and a liquid medicine storage tank, wherein a piston capable of moving up and down is arranged in the extracting tank; when the piston moves upwards under the action of the driving force, dredges of decoction in a pressurizing chamber are pressurized and further squeezed; the concentrating unit comprises a concentrating container, a vacuum pump and a heating device for heating up the concentrating container, wherein a step-shaped evaporation plate assembly of a liquid medicine thin film is formed in the concentrating container, so that the liquid medicine can be circulated and concentrated. Compared with the prior art, the extracting and concentrating efficiency is high, the heating time is short, and the damages to the active ingredients of the medicine are reduced.

The invention discloses a preparation method of a novel embedded type nano dot array structure surface enhanced Raman active substrate. The substrate takes an aluminum sheet with an ordered concave pit array structure on the surface as a template and materials with SERS (Surface Enhanced Raman Scattering) performances are deposited to obtain a large-area and highly-ordered nano dot array structure embedded into a groove on the concave pit substrate. The nano dot array provided by the invention can be used for adjusting structure parameters and shapes of the embedded type nano dot array according to the size of the concave pit array, so that different influences on the Raman surface enhancing effect by different embedded type metal nano array substrates are realized. The preparation method has the advantages of simplicity in operation, no need of transferring, low cost and easiness for industrial production; the shape of the substrate is highly ordered and the Raman activity is high; and the substrate has the remarkable Raman surface enhancing effect on analytes with different concentrations and has very high detection limit.

The invention belongs to the field of medicament preparations, and relates to a rabeprazole sodium enteric-coated preparation and a preparation method thereof. A rabeprazole sodium enteric-coated micro-pellet disclosed by the invention comprises a blank pellet core, a medicament carrying layer, an isolating layer and an enteric-coated layer from inside to outside, wherein the weight increment of the medicament carrying layer is 10-20 percent; the weight increment of the isolating layer is 5-10 percent; the weight increment of the enteric-coated layer is 30-50 percent; the medicament carrying layer consists of rabeprazole sodium, hydroxypropyl methyl cellulose and talc powder; the isolating layer consists of copovidone, a plasticizing agent, talc powder, titanium dioxide and a stabilizing agent; the stabilizing agent is one or more of magnesium oxide, calcium oxide, sodium carbonate, sodium bicarbonate, potassium carbonate and potassium bicarbonate; and the enteric-coated layer consists of an enteric-coated material, a plasticizing agent, talc powder and titanium dioxide. The rabeprazole sodium enteric-coated micro-pellet disclosed by the invention has the effects of high solubility and high stability.

The invention provides enrofloxacin nano emulsion and a method for preparing the same and relates to a veterinary medicine preparation. The invention aims to provide the enrofloxacin nano emulsion which has the advantages of good solubility and palatability, strong medicinal effect and long medicament acting time and a method for preparing the same. The enrofloxacin nano emulsion is prepared from the following raw materials in part by weight: 0.1 to 16.0 parts of enrofloxacin medicinal materials, 28.0 to 32.0 parts of surface active agent, 0.2 to 21.5 parts of auxiliary surface active agent, 1.6 to 5.0 parts of oil, and 33.0 to 54.0 parts of distilled water. The enrofloxacin nano emulsion has the advantages of simple preparation method, low production cost and easy mass industrialized production.

The invention relates to an anoectochilus roxburghii flavone extraction process and application thereof in skin care products. The extraction process comprises the following steps of S1, conducting pulping, freeze drying and smashing on the anoectochilus roxburghii in sequence, and conducting extraction on the smashed anoectochilus roxburghii powder to obtain an anoectochilus roxburghii flavone crude extract liquid; S2, filtering the crude extract liquid obtained in the S1, reducing pressure and concentrating to obtain an anoectochilus roxburghii flavone crude extract; S3, conducting purification on the anoectochilus roxburghii flavone crude extract by adopting a Sephadex LH-20 gel column, so that an anoectochilus roxburghii flavone extract is obtained, wherein technological conditions in the S1 for freeze drying is a freezing temperature of 70-80 DEG C, freezing time of 40-60 hours and vacuum pressure of 15-25Pa. The provided extraction technology has high an extraction rate, and the anoectochilus roxburghii flavone extract obtained by extraction has high content of effective constituents, less impurities, and good antioxidant activity and tyrosinase activity inhibition.

The present invention relates to a traditional Chinese medicine composition, and especially relates to a herbal American ginseng skin beautifying improvement drug and cosmetic application and preparation. A herbal American ginseng skin beautifying improvement composition comprises American ginseng, motherwort, pseudo-ginseng, white Poria and aloe. The herbal American ginseng skin beautifying improvement drug comprises the herbal American ginseng skin beautifying improvement composition as an active ingredient. A herbal American ginseng skin beautifying improvement reagent box comprises traditional Chinese medicine preparation reagent units, and each traditional Chinese medicine preparation reagent unit comprises the composition with the effective dosage of 0.03g-1g. The invention also provides the application of the traditional Chinese medicine preparation or the reagent box or a compound traditional Chinese medicine fermentation liquid in the skin beautifying improvement cosmetic field. The active components of traditional Chinese medicines are maximally protected by traditional Chinese medicine fermentation. The active components such as protein, amino acids, vitamins and trace elements and the like in the traditional Chinese medicines are not destroyed and can be fully utilized.

The invention discloses a composition containing inonotus obliquus extract and application of composition, and aims to provide a composition which can form a layer of air breathable film on the surface of skin, effectively reducing the pollutant adhering, enhancing the natural barrier function of skin, effectively resisting irritation, allergy and other problems of outside pollutants to skin; the composition is mainly prepared from, by weight, 10-25 parts of inonotus obliquus extract, 8-20 parts of moringa pterygosperma seed extract, 5-15 parts of Bordeaux leaf extract, 3-10 parts of undaria pinnatifida extract. The composition belongs to the field of cosmetics.

The invention discloses a safe fruity chili sauce having health care function and a preparation method thereof; the fruity chili sauce is prepared by processing a chili sauce added with ingredients including apples, pears, raisin, medlar, red date, tomatoes, and the like, and accessories including salt, white vinegar, sweet soybean paste, monosodium glutamate, garlic, sugar, and the like. The formula of the fruity chili sauce is as follows: 3Kg to 5Kg of chili is taken as the standard; according to weight mixture ratio, the formula of the fruity chili sauce consists of 100g to 500g of apples, 100g to 500g of pears, 10g to 100g of raisin, 10g to 100g of medlar, 50g to 200g of red date, 100g to 500g of garlic, 400g to 600g of white vinegar, 30g to 50g of monosodium glutamate, 60g to 120g of sweet soybean paste, 100g to 500g of tomatoes, 200g to 400g of salt and 250g to 500g of white sugar. The fruity chili sauce is directly broken after color protection, is added with various ingredients and accessories without an enzyme preparation and goes through boiling, thus shortening processing time, reducing processing cost and retaining mineral matters, vitamins and dietary fibers. The fruity chili sauce has the advantages of rich nutrition, health care and maintenance, and the like, and is easily accepted by people of all kinds.

The invention relates to a protein peptide composite nutrient fluid microsphere for anti-inebriation and a method for preparing the same. The protein peptide composite nutrient fluid microsphere and the method are characterized in that the method adopts vegetable protein peptide matched with water soluble extracts of hawthorn, radish, licorice and orange peel to prepare the protein peptide composite nutrient fluid according to the weight percentage that the protein peptide is between 60 and 80 percent and the extracts of the hawthorn, the radish, the licorice and the orange peel are between 5 and 10 percent respectively, and then a microcapsule forming technique is adopted to prepare the protein peptide composite nutrient fluid microsphere. The vegetable protein peptide comprises the protein peptide components generated by proteolysis extracted from one or more farm products including peanut, soybean, corn, and the like. The extracts of the hawthorn, the radish, the licorice and the orange peel can be hydrosolvent extracts, and also can be organic solvent extracts. The protein peptide composite nutrient fluid microsphere adopts green foods as raw materials for anti-inebriation, is environment-friendly and harmless to a human body, adopts microencapsulation technique so that the protein peptide is released slowly in the human body, has good anti-inebriation and sobering effects, and can properly improve the function of the human body and enhance the immunity.

The invention discloses a method for extracting sheep embryo bioelement from a sheep placenta by utilizing the low temperature of liquid nitrogen, comprising the following steps: adding liquid nitrogen while pulverizing the sheep placenta at the pulverization environmental temperature of 24-25 DEG C; enzymolyzing the sheep placenta serum; salt extracting; membrane filtering; and ultra-high pressure sterilizing. The invention adopts the technique of liquid nitrogen deoxygenation serum grinding, thereby preventing the pollution during the process of sheep placenta processing and effectively protecting the active components of the sheep embryo bioelement; and by adopting the method, the content of polypeptide immunoglobulin active component of the sheep embryo bioelement can be improved by 30percent compared with the prior method to reach more than 80 percent.

The invention discloses a method for preparing high-purity oil tea saponins. In the method, oil tea cakes are used as a raw material, and by the organic combination of the technologies of continuous refluxing ultrasonic extraction, ceramic membrane micro-filtration, macroporous resin adsorptive separation (namely adsorptive purification) and also based on the traditional solvent refluxing extraction theory, the method solves the compatibility problem of working procedures such as extraction of oil tea saponins, solvent recovery and purification and meets the requirements of developing the high-purity oil tea saponins and deep-processing products of the high-purity oil tea saponins, and the concentration of the oil tea saponins is up to 85 to 95 percent; the environmental protection requirements are met in the production process, the product purity and yield are improved, the product quality is stabilized and the production cost is lowered. By adopting the medicinal residue drying and solvent recovering technologies, the solvent recovery rate is improved, the extraction cost is reduced and the safety production is realized. The method also has the advantages of high leaching efficiency, short time, low labor intensity, high productive capacity and the like.

The invention mainly relates to a soft capsule helpful for relieving sports fatigue and delaying aging. The soft capsule helpful for relieving the sports fatigue and delaying the aging is characterized by consisting of the following raw materials in parts by weight: 360-540 parts of linseed oil, 10-30 parts of wapiti velvet antler freeze-dried powder, 10-30 parts of a ginseng ground material, 10-30 parts of a dried rehmannia root extract, 10-30 parts of a rhizoma polygonati extract, 10-30 parts of a tuckahoe extract and 10-30 parts of a horny goat weed extract. The soft capsule is added with natural components capable of relieving the sports fatigue and delaying the aging, so that the component functions as invigorating kidney and strengthening Yang, strengthening tendons and bones, tonifying Qi and nourishing Yin, and integrally improving physical function, and circulations of Qi and blood are smooth, and nutrition is sufficient. Wapiti velvet antler and horny goat weed are capable of invigorating kidney and strengthening Yang, and strengthening tendons and bones; ginseng is capable of tonifying Qi and nourishing Yin, and clearing away heat and promoting secretion of saliva; rhizoma polygonati can moisten lung and nourish Yin, strengthen spleen and tonify Qi; tuckahoe is favorable for clearing damp and promoting diuresis, tonifying spleen and calming; dried rehmannia root functions as clearing away heat and cooling blood, nourishing Yin and promoting secretion of saliva; and linseed oil has functions of preventing and treating cancers, coronary heart disease, diabetes, prostatic cancer and other diseases. The composition integrally improves physical condition, relieves the sports fatigue and delays the aging.

The invention relates to the field of agriculture technology, and concretely relates to an organic foliar fertilizer for improving quality of Canna edulis. The foliar fertilizer is prepared by the following raw materials in percentages by weight: 1-3% of selenium rich yeast, 1-3% of Lactobacillus acidophilus, 1-3% of Bacillus megaterium, 1-3% of thermophilic Bacillus, 5-10% of an extract product of sweet osmanthus, 5-9% of an extract product of peas, 5-10% of extract of pyrethrum, 3-8% of an extract of potato peels, 5-10% of an extract of leeks, 5-10% of an extract product of Kiwi berries, 3-8% of an extract product of blueberries, 5-8% of chicken hearts, 8-15% of polysaccharide selenate, 5-15% of an extract of Artemisia capillaries, 8-12% of nutgrass flatsedge, and 7-12% of selenium rich garlics. The foliar fertilizer has better absorption effects and capability for resisting diseases and insects, spraying of the foliar fertilizer can be used for improving proportions of various element contents in Canna edulis and improving economic value of Canna edulis, and the purpose for increasing income is realized.

The invention discloses a method for extracting sheep placenta essence through super critical carbon diode, wherein, sheep placenta is frozen and dried, lapped into powder, placed in an extracting vessel of super critical equipment; extracting is done by turning on the super-critical carbon diode, then the carbon diode rich with target substance is secondarily reduced pressure, solved and separated; the separated carbon diode continues to take part in the super-critical extracting cycle, the separated effective substance is sheep placenta essence grease in form of oleamen. The invention is of high extracting speed, high extrating rate and simple flow process, guarantees the activity of the effective component of the product, improves the comprehensive utilization of the raw material, and is of obvious economic and social efficiency.

The invention relates to a method for extracting and preparing active ingredients of fish roes. The method comprises the following steps: (1) collecting and pulping the fish roes and placing in a subcritical extraction kettle, and extracting by using CO2 as an extraction agent to obtain fish roe oil rich in DHA and EPA; (2) extracting globulin in the extracted fish roes by a salt method; (3) centrifuging after the globulin of the fish roes is extracted, carrying out membrane concentration on the supernate and desalting to obtain a globulin concentrated solution of the fish roes; (4) adding water and protease into the sediment obtained after globulin extracting for enzymolysis, and preparing biological active peptide by enzymolysis through a three-step method; (5) carrying out solid-liquid separation on the feed liquid through a centrifugal machine after enzymolysis, and concentrating the supernate through a nanofiltration membrane and desalting to obtain biological active peptide concentrated solution of the fish roes; and (6) adding a certain amount of beta-cyclodextrin in the globulin concentrated solution of the fish roes and a biological active peptide concentrated solution of the fish roes, embedding under certain ultrasonic condition, and carrying out freeze drying or spray drying to obtain fish roe globulin and fish roe biological active peptide products.

The invention mainly relates to pathogenic microorganism preventing antiviral tea beverage granules capable of boosting immunity. The granules are characterized by comprising raw materials in parts by weight as follows: 10-30 parts of radix angelicae extract, 10-30 parts of honeysuckle extract, 10-30 parts of fructus lycii, 10-30 parts of mint extract, 10-30 parts of longan aril extract, 10-30 parts of radix asparagi extract, 300-400 parts of dextrin, 10-30 parts of ophiopogon root extract, 10-20 parts of cinnamon extract, 10-20 parts of ginger extract, 300-400 parts of starch, 10-20 parts of white granulated sugar, 10-100 parts of green tea extract and 10-30 parts of cordate houttuynia. According to the invention, based on traditional Chinese medicine theory, materials are choosen and formula is strict. In the formula, radix angelicae relieves swelling and pain, honeysuckle is anti-inflammatory, fructus lycii adjusts blood lipid and blood sugar, cordate houttuynia prevents viruses, cinnamon activates blood to promote menstruation, ginger induces sweat and dispels exogenous evils, and dextrin can improve permeability of slurry. The formula can integrally improve physical condition, boosts immunity and prevents pathogenic microorganisms and viruses.

The invention relates to a bamboo leaf flavonoid composite liposome and its preparation method and application. The bamboo leaf flavonoid composite liposome contains ingredients according to the following weight ratio of bamboo leaf flavonoid to a complex agent to a membrane material to a propping agent to an antioxidant to a solubilizer being 0.1-2:0.1-2:0.2-5:0.02-0.5:0.01-0.1:0.1-2. By effectively coating bamboo leaf flavonoid, stability and integrity of the functional component are protected. Hyaluronic acid with an outstanding moisturizing effect is compounded during the coating process. Thus, system compatibility of the prepared bamboo leaf flavonoid composite liposome in the development of skin care products is enhanced. Meanwhile, unique carrying capacity and slow release capability of the liposome can promote absorption and long-acting care of the bamboo leaf flavonoid composite liposome in the skin, and effects of skin miniature retention, sun protection, whitening, antisenescence and the like are enhanced.

The invention relates to a functional beverage containing alpha-linolenic acid, which comprises the following raw materials in part by weight: 40-130 parts of Semen sesami nigrum (of which the content of fat is greater than or equal to 400ml / 100g), 8-22 parts of peanuts (of which the content of fat is greater than or equal to 380ml / 100g), 2-15 parts of walnuts (of which the content of linolenic acid is greater than or equal to 75mg / 100g), 12-40 parts of defibrinated dry powder of root of kudzu vine (of which the total saponins of root of kudzu vine is greater than or equal to 85mg / 100g), 8-22 parts of flaxseeds (of which the content of lignan is greater than or equal to 150mg / 100g), and 2-15 parts of defibrinated dry powder of gingko (of which the content of crude protein is greater than or equal to 120mg / 100g). An appropriate amount of stevia rebaudianum, VE, ionic Ca and water are added to prepare the functional beverage containing alpha-linolenic acid. By the method of monarch, minister, assistant and guide in science of health maintenance of traditional Chinese medicine, the materials are compounded reasonably, so that a human body obtains supplement of unsaturated fatty acid omega-3 substances, and the probability of obtaining the root of kudzu vine and gingko food effectively by multiple channels as well as softening blood vessels, preventing cardiovascular and cerebrovascular diseases and balancing hormonal substances in the human body is increased.

The invention provides a processing method of special tea bag paper (a novel tea packaging material), which belongs to the field of paper manufacture. The method comprises the steps of: taking green tea leaves left on plants after tea is picked as raw materials, crushing and grounding the raw materials into heavy paste, after filtering, evaporating the filter liquor into concentrated solution, making the heavy paste into sheet paper, spraying the concentrated solution back on the sheet paper, and drying the sheet paper to obtain the special tea bag paper. Without adding any chemical medicines, the packing paper stands much closer to nature and is more environment-protective, the color of the packing paper is similar to that of dry tea, and the packing paper also has tea aroma, therefore the tea is prevented from tainting by odour.

The invention relates to the technical field of recycling of waste heat, in particular to a system for recycling waste heat of an air compressor and heating etching chemical liquid by using waste heat. The system comprises the air compressor, an oil-water heat exchanger, a heat-insulation water tank, a circulating water pump, an electromagnetic valve, a temperature control device and the like. Various chemical liquid grooves in a production procedure of a circuit board can be heated through waste heat of the air compressor, so that the production cost is saved. Moreover, the temperature of recycled hot water ranges from 70 DEG C to 80 DEG C, and chemical liquid of a circuit board production line can be protected.

The present invention relates to a novel controlled release carrier system for pH or salt triggered release and targeted delivery of fragrances and other active ingredients onto fabric, hair, skin, and other biological surfaces and which provides prolonged release of fragrances and other active ingredients over an extended period of time, or yields a high impact fragrance "burst" upon treating the target surface with heat (blow drying the hair, ironing the fabric). The controlled delivery system of the present invention is substantially a free-flowing powder formed of solid hydrophobic nano-spheres comprising the fragrance and other active ingredients that are encapsulated in a pH or salt sensitive micro-spheres. Also described are processes for preparing such compositions and processes for using same. Furthermore, certain components of the aforementioned compositions in combination with one another are novel, and other components have novel uses in increasing fragrance substantivity, particularly in fabric, hair, and skin care preparations. The invention further pertains to consumer and diversified products comprising the controlled release system of the present invention.

The invention discloses a method for extracting and detecting polyphenol in bamboo shoots. The method comprises the following steps: (1) preparing materials, namely, selecting fresh bamboo shoots, freezing in liquid nitrogen, knocking to shell, and preserving the bamboo shoot meat at minus 70 DEG C for later use; (2) selecting acetone as an extraction solvent, and extracting polyphenol in the bamboo shoots through an ultrasonic low-temperature auxiliary solvent; (3) detecting by using a Folin-ciocalteu method, wherein the detection system comprises 0.25ml of polyphenol extracting solution, 1.75ml of water, 1ml of Folin-ciocalteu color developing agent which is diluted for 6 times and 1ml of 5-15% Na2CO3; the detection condition is that the reaction temperature is 25-35 DEG C in water bath, the reaction time is 0.5-3.5 hours, and the detection wavelength is 755-770nm. Due to adoption of the method, a system for detecting the polyphenol in fresh bamboo shoots and a system for extracting the polyphenol in the bamboo shoots are optimized and established, the detection is rapid and convenient, the extraction efficiency is high, and theoretical foundation can be provided for bamboo shoot development and utilization.

The invention relates to a black glutinous rice wine and a production method thereof. The production method includes the process steps of obtaining black glutinous rice raw materials, conducting shelling, conducting polishing, collecting nutrients, soaking rice, stewing the rice, processing the rice, enabling the rice to be contained in jars, conducting saccharification, conducting raw wine soaking, conducting squeezing, conducting clarification, obtaining a wine base, storing the wine base in a karst cave, and obtaining the finished product, namely the black glutinous rice wine. In the implementation process, featured resources of black glutinous rice in the national minority is sufficiently used; on the basis of a traditional yellow rice wine production process, a series of technologies like the restraining type fermentation process are updated; on the basis that the original nutrition of yellow rice wine is guaranteed, reduction of blood glucose and improving of other healthcare functions of the yellow rice wine are achieved; a black glutinous rice healthcare wine product which has the natural color and luster of the black glutinous rice, is mellow and sweet in wine taste, and has the healthcare functions of nourishing yin, tonifying spleen, beautifying, enriching blood and the like is prepared, and the black glutinous rice wine has a good market prospect.

The invention mainly relates to a soft capsule helpful for increasing bone density and a preparation method thereof. The soft capsule helpful for increasing the bone density is characterized by consisting of the following raw materials in parts by weight: 400-550 parts of linseed oil, 10-30 parts of red deer bone superfine powder, 10-30 parts of an astragalus extract, 10-30 parts of bone collagen, 10-30 parts of an angelica extract, 1-3 parts of vitamin D and 10-30 parts of a drynaria rhizome extract. The soft capsule disclosed by the invention, guided by theories of traditional Chinese medicine and based on modern research achievements of the traditional Chinese medicine, is careful in material selection, strict in composition and rational in combination, and is added with natural components capable of improving osteoporosis, so that the composition can tonify Qi and benefit blood, enhance immunity, relieve fatigue, strengthen tendons and bones, remove pathological wind and promote diuresis, regenerate tissue to heal wound, and integrally improve physical function, and circulations of Qi and blood are smooth, and metabolism is normal. Red deer bone functions as strengthening tendons and bones, and regenerating tissue to heal wound; drynaria rhizome can relieve joint pain, and relieve osteoporosis; vitamin D has a function of resisting rachitis, and can promote calcium absorption; astragalus can promote regeneration of injured nerve; angelica functions as replenishing blood and promoting blood circulation, regulating menstruation and relieving pain, and relaxing bowl; and linseed oil has functions of preventing and treating cancers, coronary heart disease, diabetes, prostatic cancer and other diseases. The composition is remarkable in functions of replenishing blood and benefiting blood, and strengthening tendons and bones.

The present invention relates to a composition and particularly discloses the blood-sugar-lowering composition prepared from lucid ganoderma, grifola frondosa and bitter gourds as main raw materials,a preparation method and a use thereof. The composition comprises the following raw materials in weight percentages: 20-40% of lucid ganoderma, 40-60% of grifola frondosa and 10-30% of bitter gourds.Beneficial effects are as follows: (1) the blood-sugar-lowering composition has characteristics of being natural and safe; and at the same time, edible fungi are mixed with natural hypoglycemic substances, effects of each of the various raw materials on hypoglycemic effects are fully exerted, and the composition has a good hypoglycemic coordination function; (2) microfiltration and ultrafiltrationretention technology used in the preparation method has characteristics of simple operation, low energy consumption, short production cycle, etc., maximally separates and protects the active ingredients in an extract of grifola frondosa, and removes less effective ingredients; and (3) animal experiments show that the composition is significant in hypoglycemic effect.

The invention relates to the technical field of vegetable sterilization, in particular to a vegetable sterilization method. Vegetables are soaked into 1.8 weight percent chitosan solution for 60 seconds and are dried, gamma rays are adopted for radiation, the gamma ray absorption dosage is 1kGy, a gamma ray generator is a cobalt-60 gamma radiation device, and the vegetables are cucumbers. The cucumbers are placed into the chitosan solution to be soaked, then, the gamma rays are adopted for irradiation, active ingredients in the vegetables can be protected as much as possible, in addition, the sterilization efficiency is high, the microbe and pesticide residue are little, and the fresh keeping period of the cucumbers is also prolonged to a certain degree.

The invention discloses a production scheme of low-solvent residue rhizoma curcumae longae extract. The production scheme comprises the following steps of adding an acid solution in a to-be-processed rhizoma curcumae longae extract crude extract, and carrying out solvent residue removing operation, thus obtaining the low-solvent residue rhizoma curcumae longae extract. The production scheme disclosed by the invention is simple in technology and convenient to operate, the total solvent residue in obtained rhizoma curcumae longae extract is effectively removed to below 10ppm, and the safety of the rhizoma curcumae longae extract which is used as a food additive is increased.

The invention relates to a hydrophilic and oleophilic gel eye pad with the eye fatigue relieving function and the eye care function such as black eye relieving and radiation protection and a preparation method thereof. The eye pad comprises hydrophilic and oleophilic gel and medicine components, specifically, the hydrophilic and oleophilic gel and the medicine components are evenly mixed, then back lining cloth is coated with the mixture, the other side of a hydrophilic and oleophilic gel coating is covered with a release film / paper, and then the hydrophilic and oleophilic gel coating is cut into a certain shape through a die, and the eye pad is prepared. The eye pad is small in irritation to skin and does not cause skin allergy, medicine stability is good when the eye pad is preserved for a long time, lipophobic and waterborne nutrient ingredients needed by eyes can be added at the same time, it can be kept that various functional components or nutrient ingredients are in the dissolution state and can be adsorbed easily, and particularly no preservative or traditional surfactant needs to be added in the preparation process of the pad.

The invention belongs to the field of medicine processing, and particularly relates to a potassium sodium dehydroandrographolide succinate enteric-coated preparation and a preparation method. The preparation method comprises the specific steps of forming a specific formula based on the effective component potassium sodium dehydroandrographolide succinate and auxiliary materials acceptable in pharmaceutical science, coating an isolation layer and coating an enteric-coated layer through a specific processing technology, then adding suitable auxiliary materials so as to prepare an enteric-coatedcapsule, enteric-coated particles and enteric-coated dry suspension. The refinement method for potassium sodium dehydroandrographolide succinate greatly reduces impurities and lowers occurrence rate of side effects; the special preparation process and parameter for producing the potassium sodium dehydroandrographolide succinate enteric-coated preparation can effectively protect active components of potassium sodium dehydroandrographolide succinate, thereby guaranteeing the medicine effect of the finished product and improving the bioavailability of oral potassium sodium dehydroandrographolidesuccinate. The preparation method has easy steps, is easy to operate and is suitable for industrial production.