44results about How to "Reduce free radical content" patented technology

The invention discloses a preparation method and an application of an ethanol extract of laminarin. The ethanol extract of laminarin is obtained through the preparation method which comprises the following steps: 1, crushing sea tangle, adding an ethanol solution to the crushed sea tangle, extracting for 2-5h at 50-80DEG C; 2, filtering to remove a residue, and adding active carbon to an extract to decolor and remove a fishy smell; and 3, filtering, and concentrating to obtain the ethanol extract of laminarin. The ethanol extract of laminarin is added to cut tobaccos or filter tips in a sprinkling mode, and the mass of the ethanol extract of laminarin accounts for 0.01-1.0% of the mass of cut tobaccos, so the content of free radicals in a mainstream smoke of cigarettes is effectively reduced, the reduction amplitude of the content of the free radicals is more than 15%, and the smoking quality of the cigarettes is improved, thereby the ethanol extract of laminarin, which has irritationreduction effects on nasal cavities, throats and the like, allows the smoke to be smooth, the taste to be soft, the fragrance to be kept, and no side effects to be possessed. The ethanol extract of laminarin has the advantages of no obviously fishy smell, easy obtaining, and low cost.

The invention relates to the preparation field of artificial nucleus pulposus, in particular to a preparation method of artificial fullerene-carried nucleus pulposus. According to the preparation method of the artificial fullerene-carried nucleus pulposus, a semi-molding design concept is adopted, the fullerene nucleus pulposus can be implanted into an affected part with low invasiveness, and surgery risks and postoperative shifting problems are reduced; by adding fullerene into the artificial nucleus pulposus, the content of free radials in the nucleus pulposus can be reduced, and the purposeof decelerating degeneration of the intervertebral disc is achieved. By designing the artificial nucleus pulposus into a structure with an inner layer containing xerogel and an outer layer provided with an electrostatic spinning membrane, on the one hand, a three-dimensional reticular fiber membrane of the outer layer can be utilized to wrap the xerogel of the inner layer without influencing hydration and expansion of the xerogel, shifting of the xerogel is also avoided, and the overflow risk is reduced; on the other hand, the mass of the filling xerogel and the diameter of the fiber membranecan be adjusted according to actual demands to achieve a better filling effect and better recover the structure of the intervertebral disc. Moreover, the artificial nucleus pulposus is a dry solid and is easy to preserve and long in storage life.

The invention discloses fish sausage and a preparing method thereof, and belongs to the field of food processing. The fish sausage comprises the following raw materials: fresh fish meat, 1-3 parts of refined salt, brewed alcohol, cooking wine, modified starch, cane sugar, cyclodextrine and compounded seasonings. By adopting a superfine grinding technique and a supercritical carbon dioxide extraction technique, essential oil components in plants can be extracted and added into fish meat, so that both the nutrition of the fish sausage is improved and the traditional delicious taste of the fish sausage can be maintained, and moreover the contents of nitrite and free radicals in the fish sausage can be greatly reduced; the result shows that the prepared fish sausage is oily and full in appearance, uniform in color, smooth and free of mold, brown in color, stiff and compact in quality, and has unique compounded seasoning flavor, the residual content of nitrite is less than 2.0mg/kg, in each gram of the prepared fish meat, nitroso dimethylamine is reduced by 93% and nitroso diethylamine is reduced by 89% when being compared with those in a similar product, the content of free radicals is reduced by 85%, and a remarkable sterilization and antibacterial effect can be achieved.

The invention relates to multifunctional healthcare cloth and a technology for processing the same, and belongs to the technical field of textile fabrics. The multifunctional healthcare cloth comprises, by weight, 10-40 parts of soybean fibers, 10-60 parts of bamboo charcoal fibers, 10-30 parts of magnetic fibers, 10-60 parts of cotton fibers and 10-60 parts of far-infrared fibers. An implementation method includes uniformly mixing the soybean fibers, the bamboo charcoal fibers, the magnetic fibers, the cotton fibers and the far-infrared fibers with one another according to certain weight proportions to obtain mixtures, and then purifying the mixtures to obtain functional fiber spinning liquid; filtering and defoaming the functional fiber spinning liquid, then placing the functional fiber spinning liquid in spinning machines and forming liquid trickles by the aid of spinning nozzles; solidifying the liquid trickles to obtain as-spun fibers; manufacturing the multifunctional healthcare cloth from the as-spun fibers by the aid of weaving or knitting methods. The multifunctional healthcare cloth and the technology have the advantages of high moisture conducting speed and deodorization anion content, good breathability, excellent antibacterial and mildew-proof abilities, powerful antistatic function and capability of greatly relieving irritation to skins.

The invention discloses a cosmetic composition for scavenging free radicals and resisting aging, through the synergistic effect of an imidazo [1, 2-a] pyridine compound and a pyrazine-oxazole biaryl compound, the cosmetic composition can scavenge free radicals, reduce oxidative damage, resist cell oxidative damage and cell aging and effectively play an anti-oxidation role, and when the cosmetic composition is applied to cosmetics, the cosmetics can be endowed with a remarkable anti-aging effect, so that the skin is finer, whiter and more moist. Through mutual cooperation of all the components, the anti-oxidation ability of the skin tissue can be remarkably enhanced, the free radical content of the skin is reduced, and skin aging is delayed.

The invention discloses a laminarin. The laminarin is extracted and obtained by the following method: smashing kelp and then adding water, and extracting for 2-5 hours at the temperature of 105-125 DEG C; filtering to obtain extract, and concentrating the extract so as to obtain a concentrated liquid in which the content of solid substances is 35-45%; adding ethanol in the concentrated liquid forevenly mixing, and then standing for 4-12 hours at the temperature of 0-4 DEG C, and filtering so as to obtain polysaccharide precipitate; and carrying out freeze drying to obtain the laminarin. The laminarin the mass of which is 0.01-1.0% of pipe tobaccos is prepared into a solution, and then the laminarin solution is added in the pipe tobaccos or a filter tip through a spraying mode, thereby effectively reducing the content of free radical in main steam smoke of cigarette and also improving the smoking quality of cigarette, wherein the content of the free radical is reduced by more than 18%. The laminarin has the functions of reducing stimulation effect on nasal cavity, throat and the like, leading smoke to be smooth, leading mouth feel to be soft and maintaining aroma, and has no any side effects. The laminarin has no fishy smell, high extraction efficiency and low cost, and is easy to obtain.

The invention belongs to the technical field of skin care products and particularly relates to a skin care composition capable of resisting light pollution and light damage. The skin care composition is prepared from the following components in parts by mass: 20 to 40 parts of a light filtering composition, 10 to 30 parts of a cell repairing composition, 20 to 40 parts of a barrier protection composition and 20 to 60 parts of a glycerol water mixture. The invention provides a corresponding preparation method and application. By adopting the skin care composition provided by the invention, the problem that the function of the skin care products is single is solved; the light filtering composition is used for forming a light filtering system and the barrier protection composition is used for forming a surface-layer protection film system; the light filtering system and the barrier protection composition are matched on the surface of skin to realize protection-filtering integrated protection; the cell repairing composition is used for forming a healing effect on skin cells and a self-activation system is formed from a cell level, so that an integrated self-repairing-protection system inside and outside the cells is realized and the effects of resisting the light pollution and the light damage are greatly improved.

The invention discloses a portable movable physiotherapy device, and the device comprises an upper fireproof fiber non-setting adhesive cloth layer and a lower fireproof fiber non-setting adhesive cloth layer. The device also comprises a superconductive graphene wire disposed between the upper fireproof fiber non-setting adhesive cloth layer and the lower fireproof fiber non-setting adhesive cloth layer, natural germanium raw stones which are densely distribute around the superconductive graphene wire in a single-layer manner, permanent magnets which are distributed among the natural germanium raw stones in a scattered manner, a temperature controller which is connected to an end part of the superconductive graphene wire in a series manner, and a USB interface which is connected to an end part of the temperature controller. The superconductive graphene wire is wound between the upper fireproof fiber non-setting adhesive cloth layer and the lower fireproof fiber non-setting adhesive cloth layer. Each natural germanium raw stone is a ball with the diameter being less than 3 mm, and the natural germanium raw stones are densely distributed around the zig-zag superconductive graphene wire in a single-layer manner, wherein the balls contact with each other, and can direct conduct heat. The permanent magnets are cylindrical, and the diameter and height of each permanent magnet is not greater than 3mm. The permanent magnets are sparsely distributed among the group particles of the natural germanium raw stones, and the natural germanium raw stones are covered by the magnetic fields of the permanent magnets.

The invention discloses a geogrid resistant to heat and humidity, which is composed of the following raw materials in parts by weight: zinc dihydrogen phosphate 4-5, phosphite 2-3, dimethyl diallyl chloride Ammonium 0.6‑1, polypropylene imine 10‑17, tert-butyl acrylate 6‑8, lithium aluminum hydride 0.1‑0.3, 4‑dimethylaminopyridine 0.3‑1, antioxidant 10100.4‑1, multi-walled carbon nanotubes 10-15, antioxidant 1680.6-1, high-density polyethylene 140-160, chlorinated paraffin 4-6, titanium dioxide 10-12, butyltin trioctoate 0.4-1, amino trimethylene phosphonic acid 0.1-0.2, di Phenylsilanediol 2‑3, calcium hexafluoroacetylacetonate 0.4‑1. The geogrid of the invention has good resistance to heat and humidity, good impermeability, and is not easy to corrode.

The invention relates to tobacco flue-cured fragrant cigarette pop beads capable of reducing smoke free radicals and a preparation method thereof, belonging to the technical field of cigarette auxiliary materials. The method comprises adding a polyol and an organic acid- metal salt compound to tobacco powder to be uniformly mixed and reacted at 150-250 DEG C for 0.5-3h, the obtained product is added into an organic solvent, ultrasonic extraction is carried out first, then vibration extraction is carried out, centrifugal separation is carried out, the upper liquid is filtered by an organic filter membrane, and the filtrate is distilled under reduced pressure to obtain a concentrate; 5 to 15 percents of concentrate is prepared into solution by using water or glyceryl octyl decanoate as solvent, then baicalin is added into that solution, uniformly stirred at room temperature, then the solution is put in a shade place to be alcoholized, and finally, the alcoholic solution is taken as corematerial, and is made into drop pills by use a dripping pill machine, and dried to obtain the dripping pills. The preparation method is simple, the cost is low, the cigarette pop bead prepared by theinvention can remarkably reduce the free radical content in the smoke, and has a good application prospect.

The invention discloses a fiber-modified antioxidant geogrid. The fiber-modified antioxidant geogrid comprises the following raw materials in parts by weight: 0.7 to 1 part of calcium fluoride, 3 to 4 parts of polyurethane, 10 to 17 parts of poly propyleneimine, 6 to 8 parts of tert-Butyl acrylate, 0.1 to 0.3 part of lithium aluminium hydride, 0.3 to 1 part of 4-dimethylamino pyridine, 0.4 to 1 part of an antioxidant 1010, 10 to 15 parts of multiwalled carbon nanotube, 0.6 to 1 part of an antioxidant 1680, 140 to 160 parts of high-density polyethylene, 2 to 3 parts of cellulose propionate, 1 to 2 parts of sodium carboxymethyl cellulose, 0.3 to 1 part of polydimethylsiloxane, 2 to 3 parts of ammonium zirconium hexafluoride, 0.1 to 0.2 part of pyromellitic dianhydride, 1 to 2 parts of tetrahydrofurfuryl alcohol, and 10 to 13 parts of calcined kaolin. According to the fiber-modified antioxidant geogrid, cellulose propionate and sodium carboxymethyl cellulose are added, so that the dispersity of fillers in a polymer can be effectively improved, and as a result, the intensity of a finished product can be improved.

The invention discloses a flame-retardant oxidation-resistant geogrid. The flame-retardant oxidation-resistant geogrid consists of the following raw materials in parts by weight: 1-2 parts of benzyltriphenylphosphonium chloride, 10-17 parts of polypropylenimine, 6-8 parts of tert-butyl acrylate, 0.1-0.3 part of lithium aluminium hydride, 0.3-1 part of 4-dimethylaminopyridine, 0.4-1 part of an antioxidant 1010, 10-15 parts of multi-walled carbon nano tubes, 0.6-1 part of an antioxidant 168, 140-160 parts of high density polyethylene, 2-4 parts of hydrous zinc borate, 5-7 parts of dibutyl maleate, 10-13 parts of fumed silica, 0.2-0.4 part of beta-hydroxyalkylamide, 1-2 parts of polyoxyethylene alkyl ether, 2-3 parts of ammonium polyphosphate, 1-2 parts of aluminium stearate, and 0.3-1 part of stearamide. The benzyltriphenylphosphonium chloride, the hydrous zinc borate and the like is added into the flame-retardant oxidation-resistant geogrid, and therefore, flame-retardant property of a finished product is improved effectively.

The invention belongs to the technical field of processing of aquatic products, and particularly relates to a preparation method for shrimp sauce with a weak fishy smell. The shrimp source prepared byadopting the method is weaker in the fishy smell and lower in content of nitrite, and due to addition of traditional Chinese medicine components, the shrimp sauce has a healthcare effect. The preparation method is characterized by comprising the steps that after screening and impurity removal, shrimps are washed thoroughly, and then water in the shrimps are removed centrifugally by a centrifugalmachine; the processed shrimps are ground into thick liquid, and the thick shrimp liquid is obtained; salt and 4-vinylphenol are added into the thick shrimp liquid, and the mixture is mixed uniformlyand heated; after being cooled, the mixture is placed in a fermentation tank for natural fermentation; after the fermentation finishes, stirring is conducted; after standing, shrimp oil is formed on an upper layer and removed to separate the shrimp oil from the shrimp sauce; after the obtained sauce is subjected to bottling, cover pressing and high-temperature sterilization, the shrimp sauce is obtained.

The invention provides a composition capable of reducing the content of free radicals in cigarette smoke and a preparation method of the composition. The composition comprises solid acid and a Maillard reaction intermediate, wherein the weight ratio of the solid acid to the Maillard reaction intermediate is 1: 5-1: 1000. Furthermore, the invention also provides a method for reducing the content offree radicals in cigarette smoke by using the composition, and a cigarette prepared from the composition. In the composition disclosed by the invention, the solid acid can catalyze the pyrolysis of the Maillard reaction intermediate, can release more antioxidant active substances at a lower temperature while enhancing the aroma of the Maillard reaction intermediate, and has a certain promotion effect on reducing the content of free radicals in smoke.