55results about How to "Improves antioxidant stability" patented technology

Disclosed are nutritional formulas, including reconstitutable powders, comprising carbohydrate, protein and a lipid component containing a polyunsaturated fatty acid; and from about 0.25 to about 10 ppm, by weight of the total oil content of the infant formula, of a combination of lutein, lycopene, and beta-carotene with preferred weight ratios of the lutein to beta-carotene of from about 0.0196:1 to about 59:1, the lycopene to beta-carotene of from about 0.00805:1 to about 114:1, and the lutein to lycopene of from about 0.0117:1 to about 108:1. Also disclosed are methods of providing nutrition using the disclosed formulas. The nutritional formulas provide improved product stability and color characteristics.

The invention aims to provide a method for improving quality of cut stems by aspartic acid based solid-phase Maillard reaction. According to the method, in the charging production procedure of cut stems, water solution containing amino acids(aspartic acid and asparagine) and reducing sugar or complex carbohydrate source and reaction catalyst at a certain ratio is sprayed to cut stems; in the online process of the cut stems, aspartic acid based solid-phase Maillard reaction is carried out; thus, type and content of aroma components of the cut stems are increased, curing fragrance is enhanced, smoke stimulation and offensive odor are reduced, smoke is purified, smoking flavor is improved, organoleptic quality of the cut stems is improved, the cut stems processed by the method have appearance close to the high-quality cut tobacco, and the method needs mild processing conditions which are easy to realize.

The invention aims to provide a method for improving cut stem sensory quality by a proline solid phase Maillard reaction. The method comprises the steps that in the production process of cut stem charging, a certain proportion of proline and reducing sugar or composite sugar source and catalyst aqueous solution are sprayed onto the cut stem; under the certain temperature condition, the proline solid phase Maillard reaction is carried out in the online production process of the cut stem; thus composition variety and content of aroma in the cut stem are improved; flue gas irritation and spare gas are reduced; smoke aroma is enriched; smoke gas is delicate and soft; the sense of sweetness is increased; the taste is improved; the sensory quality of the cut stem is improved; the appearance is closed to high-quality cigarette tobacco; the source of raw materials is safe and extensive, and the process condition is mild and easy to achieve.

The invention discloses a high-temperature-resistance wide-temperature-region self-lubricating composite material. The composite material comprises the following components in percentage by weight: 65-84% of nickel base alloy, 10-20% of Ag, 1-5% of graphite, and 5-10% of BaF2/CaF2 eutectic crystal; the nickel alloy is atomized alloy powder, and comprises the following components in percentage by weight: 61-77% of Ni, 15-20% of Cr, 1-4% of Mo, 5-10% of Ti, and 2-5% of Al; and the BaF2/CaF2 eutectic crystal consists of 38 weight% of CaF2 and 62 weight% of BaF2. The invention further discloses a preparation method of the composite material; and the composite material is prepared through a hot-pressed sintering technology. The composite material is low in friction coefficient and wear rate in a temperature range from low temperature (-60 DEG C) to high temperature 800 DEG C. The composite material is suitable for manufacturing such parts as high-temperature bearings and slide blocks, and is broad in application prospect in high-temperature moving systems of mechanical equipment.

The invention relates to a novel composite glycosylation modifying method. Casein and carboxymethyl chitosan are used as raw materials, and a copolymer high in grafting degree and good in heat stability is prepared, is applied to encapsulating of EGCG, and aims to improve the stability and slow release properties of EGCG. The specific method comprises the following steps of firstly performing polysaccharide graft modification on casein by a microwave wet method, then performing dry-method modification on primary wet-method products to obtain glycosylation products of which the grafting rate is80.5%, and loading and encapsulating the EGCG by a homogenizing method to obtain a ternary compound. The largest encapsulating rate of the compound on the EGCG is 79.68%, the reducing rate of resisting oxidation of the EGCG can be notably delayed during heat treatment and shelf life, the EGCG is slowly released in intestine and stomach liquid, the phenomenon of sudden release is effectively avoided, and the novel composite glycosylation modifying method can be widely applied to trade of foods, health-care products and the like.

The invention aims at providing a preparation method of aspartic acid Maillard reactant and applications of the aspartic acid Maillard reactant in reconstituted tobacco and cigar wrappers. By adding a certain percentage of amino acid (aspartic acid or/and asparagine), reducing sugar and catalyst into a Maillard reaction tank and performing Maillard reaction under certain technological conditions to industrially produce aspartic acid hyperchromic and fragrance-strengthening Maillard reactant, impurities of polysaccharide and the like can be reduced, the defects of moisture absorption, irritating and the like can be reduced; after being applied to the reconstituted tobacco and cigar wrappers, the appearance and feeling quality of the reconstituted tobacco and cigar wrappers can be improved, smoke can be coordinated, and baking and scorched sweet fragrance can be increased, so that smoke is soft and fine, the irritating property of smoke can be reduced, the sensory quality can be improved, the appearance is close to the appearance color of cigars and is natural and uniform, and the technological conditions are mild and easy to operate, and the cost is low.

The invention discloses a papaya anti-oxidant serum, which comprises cyclodextrin inclusion compound of pawpaw natural antioxidant and carriers accepted in pharmacy. The papaya anti-oxidant serum consists of enzymolysis water extract and alcohol extract of the papaya, in which vitamin C and polyphenols are contained. Vitamin C contained in papaya anti-oxidant serum is no less than 2 milligram per gram, and the total polyphenols calculated in gallic acid is no less than 22 milligram. Therefore, the papaya anti-oxidant serum has the characteristics of high efficiency, durability and stable inoxidizability and easy storage and carrying, can be served as health food to eat, can used as cosmetics, animal food, food or medical mediate, and further can used for preparing antioxidation products; the invention also discloses a preparation method for the papaya anti-oxidant serum, which comprises seven steps of pulping, enzyme digestion, filtering, alcohol extraction, concentration, inclusion and pelletization, so as to be a system for efficiently, sufficiently and completely extracting papaya anti-oxidant, and the antioxidative activity can be effectively preserved.

The invention discloses a synthetic ester type flame-retardant hydraulic oil. The synthetic ester type flame-retardant hydraulic oil comprises the following components, 98.6%-99% of a saturated polyolester base oil, 0.2%-0.5% of vulcanized di-tert-butyl phenol, 0.1%-0.25% of benzotriazole octadecylamine salt, 0.2%-0.4% of 4-diisooctyl diphenylamine, 0.25%-0.4% of thiophosphate ammonium salt and 0.17%-0.34% of an additive. The synthetic ester type flame-retardant hydraulic oil disclosed by the invention is reasonable in design, stable in oxidation resistance, long in service life, and short inoil change period; using cost is reduced; the auxiliary agent performance of the base oil is stable, and wear resistance is excellent; the use of additives is reduced; the ash content of the flame-retardant hydraulic oil is reduced to a certain extent; the degradation rate is increased; the asymmetry of molecular structures in the base oil is higher, oil product pour point is lower; meanwhile, the synthestic ester type flame-retardant hydraulic oil is high in wear resistance, devices are not prone to being abraded in a high-speed and high-pressure environment, and the maintenance cost of devices is reduced.

The invention discloses fire-resistant, oil-resistant and high-and low-temperature resistant industrial rubber which is prepared from the following raw materials: natural rubber, neoprene, nitrile rubber, ceramic ultrafine powder, palm oil, an adhesive, dimethicone, polyurethane, oleic acid, a softener, zinc oxide, PEG4000 and an anti-aging agent. The industrial rubber has great advantages in the aspects of fire resistance, oil resistance and high temperature resistance, cannot be worn or broken in use and is long in service life, the components are scientific and reasonable in proportion, safe and effective, the preparation method is easy to operate and the fire-resistant, oil-resistant and high-and low-temperature resistant industrial rubber is suitable for massive promotion in industry.

The invention discloses a preparation method of a graphite electrode for an electric-arc furnace. The preparation method comprises the following steps: (1) preparing 50%-60% of petroleum coke particles, 3%-6% of aluminum trioxide powder, 2%-4% of calcium oxide, 10%-20% of graphite powder particles and 15%-25% of asphalt; (2) pouring the raw materials into a mixing-kneading pot, heating, and carrying mixing and kneading; (3) heating the asphalt to 150-180 DEG C until the asphalt is melted, adding the asphalt into the mixing-kneading pot, heating, and carrying mixing and kneading; (4) introducing the materials into a forming mold, carrying out pressurization, so as to obtain a to-be-roasted blank; (5) heating to 500-550 DEG C in a nitrogen atmosphere, maintaining the temperature, further heating to 880-920 DEG C, and roasting, so as to obtain a green body; and (6) heating to 2300-2400 DEG C for 24-72 hours in a high-temperature electric furnace, and maintaining the temperature for 24-72hours, so as to prepare the graphite electrode. The graphite electrode is good in oxidation resistance and strong in cohesion force, so that the problem of a breakage accident in the use process of the graphite electrode is well controlled.

The invention relates to the field of novel nanometer functional materials, in particular to a preparing method of high saturation magnetization strength Mn0.8Zn0.2Fe2O4 nanoparticles and magnetic liquid of the nanoparticles. The preparing method specifically comprises the steps of dispersing salts of Mn2+, Zn2+ and Fe3+ into ultrapure water and quickly adding a NaOH solution under mechanical stirring; then placing the reaction liquid into a drying oven to be heated at high temperature, promoting the growth of crystal grains and completing the second step of sediment; then taking out the reaction liquid, adding fluorine ether acid, covering particles under mechanical stirring to avoid aggregation of the particles and then washing and drying the particles; finally, grinding the dried particles and dispersing the particles into fluorine ether oil base carrier liquid under mechanical stirring to prepare magnetic liquid. The prepared Mn0.8Zn0.2Fe2O4 nanoparticles have the advantages of high saturation magnetization strength, superparamagnetism, high antioxidant stability and the like, and the prepared fluorine ether oil base magnetic liquid can be applied in the field of rotary shaft sealing under the high temperature, corrosion and oxidation environment for a long term.

The invention discloses a sulfonated poly(aryle ether ketone) copolymer containing benzothiazole groups and a preparation method of the sulfonated poly(aryle ether ketone) copolymer. The copolymer is prepared through steps as follows: bisphenol monomers, 2,6-dichlorobenzothiazole, 4,4'-difluorobenzophenone and 3,3'-disulfonic acid sodium salt-4,4'-difluorobenzophenone are taken as raw materials, a salt-forming agent and a water-carrying agent are added after the raw materials are dissolved and mixed by a solvent, solid content of a reaction system is adjusted to be 15%-30%, the reaction system carries water for 3-6 h at the temperature of 120-140 DEG C, and reacts for 6-20 h at the temperature of 140-200 DEG C after the water-carrying agent is steamed out, a mixture is discharged to acetone or distilled water after the reaction is finished, a coarse product is obtained and washed, and the sulfonated poly(aryle ether ketone) copolymer containing the benzothiazole groups is obtained. An electrolyte membrane prepared from the copolymer has better dimensional stability, lower methanol permeability, higher antioxidative stability and good proton conduction performance, and compared with a traditional aromatic polyelectrolyte membrane, the electrolyte membrane prepared from the copolymer is a novel proton exchange membrane material with excellent performance and has good application prospect in the field of the electrolyte membrane of a fuel cell.

The invention discloses a method for preparing compounded natural antioxidant enriched maize oil. The method is used for solving a series of problems that the oxidation resistance of the maize oil is low and the like due to the fact that some beneficial ingredients in fats and oils are greatly reduced due to influence caused by factors such as high temperatures and high degrees of vacuum during the deodorizing and refining of the maize oil, and is used for prolonging the shelf life of the maize oil. In accordance with that conjugated sterol linoleate has a synergistic effect on oxidation resisting of vitamin E, a compounded natural antioxidant is used for replacing a single natural antioxidant; through effectively controlling esterification conditions, an addition proportioning ratio and an addition level, the maize oil has a peroxide number of 2.5mmol/kg after addition; in addition, the shelf life of the maize oil can be prolonged to 570d, and the sensory quality is good. The method has the characteristics of enhancing the oxidation resisting stability of the antioxidant and achieving the aims of prolonging shelf lives of the fats and oils and improving the quality of the fats and oils.

The invention discloses granules for iron-based montmorillonite and a preparation method thereof, and relates to a medicinal preparation of iron-based montmorillonite. The granules consist of iron-based montmorillonite and pharmaceutically-acceptable auxiliary materials, wherein the auxiliary materials mainly comprise a filler, a bonding agent and a flavoring agent, and an antioxidant is added for resisting oxidization. The preparation is technically characterized by being prepared by the following steps: mixing pretreated iron-based montmorillonite with the filler, the bonding agent, the flavoring agent and the antioxidant according to a certain proportion; preparing the mixture into granules by means of wet granulation. The granules are used for treating chronic renal failure hyperphosphatemia and iron-deficiency anemia, and have the advantages of stable property, convenience in taking, no moisture absorption, softening, blocking or deliquescence, and the like.

The invention discloses a making method of an anti-aging facial mask. The making method comprises the following steps: adding deionized water into a container, then adding a thickener and liquid grease under the stirring action, performing homogenizing and stirring until complete dispersion, performing heating, and then adding a moisturizing agent; cooling the components, adding a preservative anddeionized water, and performing uniform stirring and mixing; adjusting pH according to the formula ratio; performing rotary evaporation on the components, and controlling viscosity to obtain emulsionfor cosmetics. and adding base cloth into the emulsion for cosmetics for soaking, and taking out the soaked base cloth to obtain the mask. The emulsion for cosmetics includes the moisturizing agent containing beta-glucosidase modified sodium alginate, propylene glycol, pumpkin seed extract, polyvinylpyrrolidone, icosanyl propionate and a water-soluble ascorbic acid derivative. The anti-aging maskhas a relatively good net structure, relatively high free radical removal rate and tyrosinase inhibition rate, and a relatively good anti-aging property, water-retaining property and anti-irritationeffect.