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184results about How to "Avoid Oxidative Damage" patented technology

Blueberry tablet candy with beautifying and antibacterial efficacy and preparation method thereof

The present invention discloses a blueberry tablet candy with beautifying and antibacterial efficacy and a preparation method thereof, and belongs to the technical field of deep processing of blueberry. The method is as below: processing a main raw material blueberry into a blueberry syrup by using a non-thermal for processing method; uniformly mixing the blueberry syrup with milk, sugar, a herb extract, honey and a stabilizer; adding a leavening agent; fermenting by a segmented variable temperature fermentation method to prepare a blueberry yogurt, so as to maximize proliferation of probiotics and gain good thermal stress ability of resistance to coldness and hotness; then adding a protecting agent with good anti-freezing effect and freeze-drying into a powder, so as to obtain a functional blueberry yogurt freeze-dried powder with high content of viable probiotics and strong resistance to coldness and hotness; finally compounding the blueberry yogurt freeze-dried powder with an alfalfa extract, germinated brown rice, a plant extract, dextrin, probiotic factor and magnesium stearate scientifically; and tabletting by a multi-impact rotary tabletting machine to obtain the blueberry tablet candy with high probiotic live bacteria content, good stability, long shelf life and the efficacies of improving the body's immunity, delaying aging, beautifying and resisting bacteria.
Owner:付宏存

Genetic recombinant collagen-like peptide MJLGG-34 as well as preparation method and application thereof

The invention discloses genetic recombinant collagen-like peptide MJLGG-34 as well as a preparation method and application thereof, and belongs to the technical field of genetic engineering. Comparedwith the traditional natural collagen, the collagen-like peptide MJLGG-34 obtained through genetic recombination has the advantages that the collagen-like peptide MJLGG-34 is small in molecular weight, easy to prepare and stable biological activity, has better transdermal rate and higher biological activity, and is more easily absorbed by skin while guaranteeing the biological activity; the collagen-like peptide MJLGG-34 is good in biocompatibility and biology safety, has excellent biological activity, such as oxidation resistance, apoptosis resistance and melanogenesis inhibiting, can obviously inhibit oxidative damage of skin, regulate melanogenesis and resist ageing, and does not have obvious toxic or side effects; the collagen-like peptide MJLGG-34 can be applied to food, health care products and cosmetics, and is wide in application range, thereby having the excellent application value and industrial prospect. The preparation method is simple, high in production efficiency, low inproduction cost and wide in application prospect.
Owner:JINAN UNIVERSITY

Washing-free normal-temperature phosphating solution after steel workpiece phosphating and preparation method thereof

The invention relates to a steel surface treating agent, particularly a washing-free normal-temperature phosphating solution after steel workpiece phosphating, which is prepared by mixing the following raw materials in percentage by mass: 12-25% of 85% phosphoric acid, 2-6% of zinc oxide, 1-2% of sodium molybdate dihydrate, 0.5-5.0% of lanthanum nitrate hexahydrate, 0-6% of manganous nitrate tetrahydrate, 0.1-0.8% of tartaric acid, 0.1-0.2% of alkylphenol ether sulfosuccinate sodium salt, 0.1-0.2% of sodium benzoate, 0.1-0.3% of 70% phytic acid, 0-0.5% of 30% oxydol and the balance of water. The preparation method comprises the following steps: adding zinc oxide into 2 times by mass of water, stirring into paste, adding 85% phosphoric acid, and stirring to a uniform transparent state; while stirring, sequentially adding phytic acid and tartaric acid which is dissolved in water, lanthanum nitrate hexahydrate and manganous nitrate tetrahydrate which are respectively dissolved in water, sodium molybdate dihydrate which is dissolved in water, the other raw materials except sodium benzoate, and sodium benzoate dissolved in hot water; regulating the pH value of the solution to 2.0; and adding water to the required amount.
Owner:湖南中皖骏环保科技有限公司

Blueberry pressed candy with high contents of viable probiotics and preparation method thereof

The present invention discloses a blueberry pressed candy with high contents of viable probiotics and a preparation method thereof, and belongs to the technical field of deep processing of blueberries. The preparation method includes: processing blueberries serving as raw materials into blueberry pulp by a non-thermal processing method, evenly mixing the blueberry pulp with milk, saccharose, Chinese herbal medicine extract, honey and stabilizing agents, fermenting the mixture with the addition of fermentation agents and preparing the fermented mixture into blueberry yogurt using a stage temperature shift fermentation method so as to maximize the proliferation of probiotics and to make the probiotics have good resistance to cold and heat stress, freeze-drying the blueberry yogurt into powder with the addition of protective agents with a good anti-freeze effect to obtain functional blueberry yogurt freeze-dried powder with high contents of viable probiotics and strong resistance to cold and heat, and finally scientifically compounding the functional blueberry yogurt freeze-dried powder with alfalfa extract, germinated brown rice, plant extract, dextrin, probiotic factor, magnesium stearate, etc., and pressing with a multi punch rotary tablet pressing machine to prepare the blueberry pressed candy. The blueberry pressed candy is high in contents of viable probiotics, and long in shelf life, can improve human immunity and delay senescence, and has effects in beautifying countenance and maintaining beauty and resisting bacteria.
Owner:TIANJIN ZHONGTIAN JINGKE SCI & TECH

Process for preparing honeycomb polyphenol extractive microcapsule by adopting spray drying method

The invention discloses a process for preparing a honeycomb polyphenol extractive microcapsule by adopting a spray drying method and belongs to the field of microcapsule preparation. The process comprises the steps: sieving honeycomb powder by a 40-mesh sieve, mixing the honeycomb powder passing through the 40-mesh sieve and deionized water with the liquid-material ratio being 20-40 / 1(w / v), fully stirring by adopting a magnetic water-bath stirring bar, extracting 6-8min at the temperature being 30-50 DEG C so as to obtain a honeycomb water extract liquid, concentrating the honeycomb water extract liquid to obtain a product of which the content of solid contents is more than 10%, adding 280-350ml of the honeycomb water extract liquid in maltodextrin in which the content of a solid propolis water extractive is within 65-75% and Arabic gum in which the content of a solid propolis water extractive is within 3-5%, blending to obtain a mixed solution, filtering the mixed solution to obtain filter liquor, and carrying out spray drying on the filter liquor under a condition that the feeding amount of a peristaltic pump is 300-400ml / h so as to obtain the honeycomb polyphenol extractive microcapsule. The honeycomb polyphenol extractive microcapsule prepared by adopting the process is spherical, smooth in appearance, free from cracks, capable of increasing the bioavailability of honeycomb polyphenol, and high in heat stability; the embedding rate can be up to 46.6%.
Owner:JIANGSU UNIV

Expansion ring sealed hot compensator

The invention provides an expansion ring sealed hot compensator for high-temperature gas conveying tubes, which comprises a pair of flanges, a pair of inner connecting tubes, a pair of inner annular plates, labyrinth seals, outer connecting tubes, ear plates, flame retardant coatings, a heat insulation filling material, and expansion ring sealed bellows, wherein the pair of flanges are arranged attwo ends; the pair of inner connecting tubes are respectively connected to the two flanges; the pair of inner annular plates forming expansion rings of the compensator are arranged at opposite ends o f the two inner connecting tubes; the labyrinth seals consisting of inner and outer sleeves are arranged on the inner ring sides of the two inner annular plates; the outer connecting tubes provided with compensating bellows are connected with the two inner connecting tubes through a pair of outer annular plates; the outsides of the two inner connecting tubes are provided with the ear plates provided with pull rods; the insides of the two inner connecting tubes are provided with the flame retardant coatings; the heat insulation filling material is arranged between the two inner annular plates and the inner and outer connecting tubes; and the opposite ends of the two inner connecting tubes are provided with the expansion ring sealed bellows. The expansion ring sealed hot compensator utilizesthe expansion ring sealed bellows to obstruct hot air round the labyrinth seals to prevent the hot air reaching the compensating bellows through the expansion rings and avoid the compensating bellows being damaged due to oxidization under the action of high temperature so as to effectively improve the operation life of the compensator.
Owner:秦皇岛开发区诺实管业有限公司

Blueberry pressed candy and preparation method thereof

The present invention discloses a blueberry pressed candy and a preparation method thereof, and belongs to the technical field of deep processing of blueberries. The preparation method includes: processing blueberries serving as raw materials into blueberry pulp by a non-thermal processing method, evenly mixing the blueberry pulp with milk, saccharose, Chinese herbal medicine extract, honey and stabilizing agents, fermenting the mixture with the addition of fermentation agents and preparing the fermented mixture into blueberry yogurt using a stage temperature shift fermentation method so as to maximize the proliferation of probiotics and to make the probiotics have good resistance to cold and heat stress, freeze-drying the blueberry yogurt into powder with the addition of protective agents with a good anti-freeze effect to obtain functional blueberry yogurt freeze-dried powder with high contents of viable probiotics and strong resistance to cold and heat, and finally scientifically compounding the functional blueberry yogurt freeze-dried powder with alfalfa extract, germinated brown rice, plant extract, dextrin, probiotic factor, magnesium stearate, etc., and pressing with a multi punch rotary tablet pressing machine to prepare the blueberry pressed candy. The blueberry pressed candy is high in contents of viable probiotics, good in stability and long in shelf life, can improve human immunity and delay senescence, and has effects in beautifying countenance and maintaining beauty and resisting bacteria.
Owner:BEIJING KEHUITONG WISDOM SCI & TECH CO LTD

Preparation method of composite Pickering emulsion for improving survival rate of probiotics

The invention belongs to the technical field of preparation of probiotics, and relates to a preparation method of a composite Pickering emulsion for improving the survival rate of probiotics. The preparation method comprises the following steps: adding span-80 into evening primrose oil, uniformly stirring the span-80 and the evening primrose oil to prepare an oil phase, adding a washed probioticssolution in the oil phase, and carrying out homogenizing to obtain a product A; and mixing a cyclodextrin aqueous solution with the product A to obtain the composite emulsion. According to the preparation method, a double-layer emulsification system is adopted, firstly, a high internal phase processing technology can ensure high content of probiotics in an internal water phase, secondly, the antioxidant activity of the evening primrose oil phase can prevent the probiotics from being oxidized and damaged after the probiotics are stored and orally taken, and in addition, a nano-scale Pickering emulsion wall layer formed by beta-cyclodextrin on the outer layer has a very stable protection effect, can protect the probiotics from being damaged when passing through the stomach and the small intestine, improves the survival rate of the probiotics, and enables the probiotics to smoothly reach the large intestine to play a role. The preparation method can be used for developing novel probioticsfoods, medicines and health products.
Owner:QILU UNIV OF TECH

Horse placenta water-soluble protein extract, preparation method and application thereof

ActiveCN103408634AKeep aliveMaintain the activity of active substancesCosmetic preparationsPeptide/protein ingredientsCancer cellApoptosis
The invention relates to the technical field of a horse placenta extract and a pharmaceutical application thereof, specifically to a horse placenta water-soluble protein extract with bioactivity, a preparation method and an application thereof. According to the present invention, during an extraction process, a phosphate buffer solution with a pH value close to a physiological pH value and an osmotic pressure close to a physiological osmotic pressure is adopted as an extraction solvent so as to maintain activity of active substances in a horse placenta to the maximal degree; with the horse placenta extract, activity of normal lymphocytes can be significantly enhanced, proliferation activity of T-lymphocytes and B-lymphocytes induced by ConA and LPS can be significantly inhibited, and killing activity of NK cells on PC-3 cancer cells can be significantly enhanced, such that adjustment effects are provided for immune functions to a certain degree; and with the horse placenta extract, oxidative damage of skin fibroblasts due to H2O2 can be significantly inhibited, cell viability can be improved, MDA content in cells can be reduced, enzyme activities of SOD and GPx can be improved, apoptosis rate can be reduced, and DNA damage can be inhibited, such that a certain protection effect is provided for oxidative damage.
Owner:XINJIANG MEDICAL UNIV +2

Blueberry pressed candies capable of delaying ageing and preparation method of blueberry pressed candies

The invention discloses blueberry pressed candies capable of delaying ageing and a preparation method of the blueberry pressed candies and belongs to the technical field of deep processing of blueberries. The blueberries are used as main raw materials and are processed into blueberry paste by adopting a non-heat processing method; then the blueberry paste is uniformly mixed with milk, sucrose, Chinese herbal medicine extract, honey and a stabilizer, and then a fermentation agent is added to prepare blueberry yoghourt by adopting a stepwise temperature-changing manner, so that probiotics are proliferated to the greatest extent, and the cold and heat stress resisting capability is relatively good; then protecting agent freeze-dried powder with relatively good anti-freezing effect is added to obtain functional blueberry yoghourt freeze-dried powder with high viable bacterium content of the probiotics and strong cold and heat resisting capabilities; and finally, the functional blueberry yoghourt freeze-dried powder is scientifically compounded with alfalfa extract, germinated brown rice, plant extract, dextrin, probiotic factors, magnesium stearate and the like, and the mixture is pressed by a multi-punch rotary type pressing machine to prepare the blueberry pressed candies which have the high viable bacterium content of the probiotics, good stability and long guarantee period, are capable of improving the human immunity, have the effects of maintaining beauty and keeping young and resisting bacteria, and can delay the ageing.
Owner:BEIJING KEHUITONG WISDOM SCI & TECH CO LTD

Postweld stabilizing thermal treatment method for pipeline made of TP347 material

The invention discloses a postweld stabilizing thermal treatment method for a pipeline made of a TP347 material, and the postweld stabilizing thermal treatment method is used for carrying out postweld pretreatment on the pipeline made of the TP347 material before stabilizing thermal treatment. The postweld stabilizing thermal treatment method comprises the following steps: continuously introducing protective gas comprising 92% (in volume fraction) of N2 and 8% of CO2 to the two ends of the pipeline made of the TP347 material opposite to a welding seam separately; heating the welding seam, stopping heating when the temperature is 400 DEG C, keeping the temperature at 400 DEG C for 2-3 hours, reducing the temperature to 100 DEG C, and treating the welding seam by use of ultrasonic impact equipment after circulating for 5-8 times; and finally, carrying out infrared radiation for 4-5 hours on the pipeline made of the TP347 material. According to the postweld stabilizing thermal treatment method disclosed by the invention, stabilizing thermal treatment is carried out after pretreatment; the pipeline made of the TP347 material comprises stabilizing elements, namely niobium, titanium, yttrium and zirconium; and the method disclosed by the invention is adopted, so that welding seam cracks are effectively eliminated, and therefore, welding seam quality is improved.
Owner:THE SIXTH CONSTR CO LTD OF CHINA NAT CHEM ENG
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