49results about How to "Maintain antioxidant properties" patented technology

The invention discloses feed for promoting growth of a river crab. The feed comprises the following raw materials: wheat, corn, dextrin, potato powder, wheat bran, fish meal, shrimp meal, bean pulp, peanut meal, rapeseed meal, cellulose, sodium carboxymethylcellulose, monocalcium phosphate, vitamin B1, vitamin B2, vitamin B3, vitamin B5, vitamin B6, vitamin A, vitamin C, pantothenic acid, folic acid, inositol, choline, mineral pre-mixing powder, unshelling element, oil used for feed, garlic essential oil, cinnamon leaf oil and additive, wherein the additive comprises the following raw materials: vitamin E, vitamin B12, bacillus licheniformis, bacillus subtilis, mannan oligosaccharide and cysteamine hydrochloride. The feed has the beneficial effects of promoting the growth of the river crab, enhancing immunity of the river crab, being environmentally friendly due to no drug residue and providing comprehensive nutrients and sufficient energy.

The invention discloses an environment-friendly plastic material. The plastic material comprises the following components in parts by weight: 30-40 parts of degradable plastic master batches, 15-30 parts of modified starch, 8-12 parts of copolymerization type polypropylene, 2-4 parts of glycidyl methacrylate, 3-5 parts of carbon black, 1-3 parts of glass fiber, 1-3 parts of plant fiber, 0.6-0.8 parts of ethylene terephthalate, 2-4 parts of stearic acid and 0.3-0.5 parts of an anti-oxidant. The environment-friendly plastic material has the beneficial effects that the plastic package material which is prepared by degradable plastic master batches as raw materials has degradability, and shock resistance, oxidation resistance and corrosion resistance of the package material in prior art are kept; after usage, the plastic material is composted and degraded in the environment, so that environment pollution is substantially alleviated; the packaging material has a wide usage range and a wide application prospect.

The invention discloses a feed for piglets with reduced serum lipopolysaccharide level and its preparation method and application, which solves the problem that the disease resistance and immunity of piglets cannot be improved in the prior art. The invention is made of the following components according to a certain weight ratio: corn, puffed corn, broken rice, puffed soybean, fermented soybean meal, fish meal, soybean meal, soybean oil, stone powder, calcium hydrogen phosphate, sodium chloride, choline chloride, betaine , lysine, methionine, threonine, tryptophan, benzoic acid, phytase, compound enzyme, trace element premix, vitamin premix, enramycin premix, arginine, glutamine Amide, proline, astragalus polysaccharide, eleuthero polysaccharide, curcumin, chitosan oligosaccharide, probiotics, yeast cell wall extract. The composition of the invention is scientific, the compatibility is reasonable, each component acts together, can provide balanced and easily digestible nutrients for the growth and development of piglets, and effectively reduce the level of serum lipopolysaccharide of piglets.

The invention discloses special quenching oil for a plate spring and a preparation method for the special quenching oil, and belongs to the technical field of metal thermal treatment and surface treatment. The quenching oil is prepared from the following components in parts by mass: 25-37 parts of refined base oil, 2-4 parts of a cold catalyst, 0.02-0.03 part of an anti-oxidant, 0.3-0.5 part of abrightener, and 0.3-0.5 part of a surfactant. According to the special quenching oil for the plate spring and the preparation method for the special quenching oil disclosed by the invention, hardenability and critical through-quenching thickness of the plate spring material can be combined, and cooling ability of quenching oil is regulated, so that the plate spring obtains enough and uniform hardness and metallographic structure after being quenched, and therefore, mechanical strength and toughness needed for a workpiece are realized, and workpiece deformation is effectively controlled.

The invention discloses selenium disulfide shampoo and a method for improving the stability of the selenium disulfide shampoo. The selenium disulfide shampoo is prepared from the following components: 0.5 to 1.0 percent of selenium disulfide, 0.2 to 0.5 percent of panthenol, 0.2 to 0.5 percent of salicylic acid, 0.05 to 0.2 percent of ethylene diamine tetraacetic acid, 15 to 20 percent of surfactant, 1.0 to 5.0 percent of hair conditioner, 70 to 80 percent of solvent, 0.6 to 1 percent of preservative and 0.2 to 0.4 percent of pH regulator. According to the method for improving the stability of the selenium disulfide, stability tests prove that the stability of the selenium disulfide can be effectively improved, the problem of color change of the selenium disulfide at high temperature is solved, and the anti-dandruff effect of the shampoo prepared through the method is good through tests.

The invention discloses novel quenching oil and a manufacturing method of the novel quenching oil and belongs to the technical field of metal heat treatment and surface treatment. The novel quenchingoil comprises, by mass, 27-39 parts of refined base oil, 3-5 parts of refrigerant, 0.2-0.4 part of brightener, 0.4-0.6 part of surface active agent and 0.03-0.06 part of anti-oxidant. The prepared novel quenching oil enables a quenched workpiece to obtain the best quenching hardness and metallurgical structure, achieves the mechanical strength and tenacity needed by the workpieces and can also achieve that the quenching oil can be used under the strict conditions of high temperature and continuous operation, so that energy is saved, and the efficiency is improved.

The invention relates to the technical field of food preservation, in particular to an instant natural live penaeus japonicus freeze-preservation method which comprises the following steps: (1) raw material treatment: impregnating penaeus japonicus for 20 to 40min with ice salt water at the mass concentration of 3 to 8 percent and the temperature of subzero 10 DEG C, and killing the live penaeus japonicus; (2) sterilization treatment; (3) grading treatment; (4) preservation treatment: impregnating the graded penaeus japonicus for 1 to 5min with a preservation solution; (5) water control: controlling the water of the penaeus japonicus treated by the previous step on a water control frame until water does not drops in lines; (6) freeze treatment. According to the method, the problem that the penaeus japonicus is not suitable for being stored for a long time, otherwise is not so fresh in the prior art is solved; by utilizing the method, the shelf life of the penaeus japonicus can be prolonged, the preservation time of the penaeus japonicus can be prolonged, the long-distance transportation and selling requirement is met, the shelf life is prolonged, and economic benefits are improved.

The invention discloses a water-absorbing wear-resistant packaging material which is prepared from the following raw materials in parts by weight: 40 parts of biodegradable plastic masterbatch, 10 parts of polystyrene, 10 parts of corn starch, 8 parts of citrus peel powder, 2 parts of glycerin, 3 parts of a heat stabilizer, 2 parts of bamboo fiber, 5 parts of glycerol, 3 parts of barium sulfate, 4 parts of a wear-resistant additive, 1 part of chitin fiber, 1 part of allicin, 3 parts of nano antimony tin oxide, 1 part of a coupling agent and 1 part of an ultraviolet absorbent. The plastic packaging material provided by the invention is degradable and can be consumed by the environment after being composted, so as to greatly relieve the pollution to the environment; the added citrus peel powder and bamboo fiber have water-absorbing, antibacterial and antioxidant effects; the added chitin fiber and allicin can effectively inhibit the breeding of bacteria in packaged foods and prevent corrosion, so as to effectively guarantee the freshness and use safety of the packaged foods; meanwhile, the water-absorbing wear-resistant packaging material has the advantages of good wear resistance, conductivity, weather resistance, stability, ultraviolet resistance and aging resistance.

The invention discloses a polymer wear-resistant packaging material. The packaging material is composed of the following components in parts by mass: 20-30 parts of degradable plastic masterbatch, 30-50 parts of wood pulp, and 5-10 parts of nylon , 2‑5 parts of methyl silicone oil, 5‑10 parts of bamboo fiber, 2‑5 parts of glass fiber, 1‑3 parts of polyisobutylene, 5‑10 parts of lignocellulose, 2‑5 parts of nano clay, 2‑5 parts of flame retardant 5 parts, 1-3 parts of antioxidant, 1-3 parts of heat stabilizer. The advantages of the present invention are: the preparation process is simple, the cost of raw materials is low, the impact resistance, oxidation resistance and corrosion resistance of the existing packaging materials are maintained, and various raw materials can be effectively combined to better meet the needs of industrial production. demand.

The invention discloses a degradable environment-friendly plastic material which consists of the following raw materials in parts by weight: 30-40 parts of degradable plastic masterbatch, 15-30 parts of modified starch, 8-12 parts of copolymerization polypropylene, 2-4 parts of glycidyl methacrylate, 3-5 parts of carbon black, 1-3 parts of glass fiber, 1-3 parts of plant fiber, 0.6-0.8 part of ethylene glycol terephthalate, 2-4 parts of stearic acid and 0.3-0.5 part of antioxidant. The degradable environment-friendly plastic material disclosed by the invention has the following beneficial effects: a plastic packaging material prepared by taking the degradable plastic masterbatch as a raw material has degradability and maintains the impact resistance, oxidation resistance and corrosion resistance of existing packaging material; the used plastic packaging material can be digested by the environment through composting, thereby greatly relieving environmental pollution; and the packaging material has the advantages of wide application range and broad application prospect.

The invention discloses an environmentally friendly packaging material. The environmentally friendly packaging material is prepared from, by weight, 40-50 parts of biodegradable plastic masterbatch, 10-20 parts of plant straws, 10-15 parts of modified starch, 8-12 parts of polyamide resin, 2-4 parts of glycerin, 3-5 parts of carbon black, 2-5 parts of conductive fiber, 5-10 parts of glycerin, 3-5 parts of borax, 4-8 parts of lubricant, 1-4 parts of chitin fiber, 1-3 parts of allicin, 3-6 parts of nano tin antimony oxide, 1-2 parts of coupling agent and 1-3 parts of stabilizer. The plastic packaging material prepared from the biodegradable plastic masterbatch, the plant straws and the modified starch serving as the raw material is biodegradable, maintains the impact resistance, oxidation resistance and corrosion resistance of existing packaging materials, can be absorbed by the environment after being used up and composted and greatly alleviates the pollution to the environment, the plant straws and the starch are low in cost, can be recycled, meanwhile can be decomposed to return to soil when encountering water, and the application prospect is wide. In addition, the environmentally friendly packaging material has good electrical conductivity, weather resistance, stability, ultraviolet ray resistance and aging resistance.

The invention provides an environment-friendly plastic material. The environment-friendly plastic material is prepared from the following components in parts by weight: 42 to 50 parts of degradable plastic master batch, 15 to 23 parts of copolymerized polypropylene, 8 to 15 parts of glass fibers, 5 to 7 parts of stearic acid, 1 to 2.5 parts of ethylene terephthalate, 6 to 10 parts of carbon black,0.6 to 1 part of an antioxidant and 10 to 15 parts of modified starch. According to the environment-friendly plastic material provided by the invention, a plastic packaging material prepared from theraw materials including the degradable plastic master batch and the like has very strong degradability and keeps impact resistance, oxidization resistance and corrosion resistance of an existing packaging material; the environment-friendly plastic material can be absorbed by the environment and the pollution to the environment is greatly alleviated.

The invention discloses o-nitro caffeic acid phenethyl ester with a structural formula shown as formula I. The method includes: subjecting caffeic acid and thionyl chloride to acylation reaction to generate caffeoyl chloride, then in the presence of a catalyst, subjecting the caffeoyl chloride and o-nitrophenylethanol to esterification reaction in an organic solvent, thus obtaining o-nitro caffeic acid phenethyl ester. Compared with caffeic acid phenethyl ester, the o-nitro caffeic acid phenethyl ester has better effect of protecting antioxidant enzyme activity, stronger ability of clearing oxygen free radicals, and better effects of maintaining antioxidant ability of myocardial cells, protecting normal cell structure and alleviating cell oxidative damage, can significantly reduce ischemia/reperfusion myocardial cell apoptosis, decreases myocardial infarction area, can be used for preparation of drugs for improving ischemia reperfusion injury, and plays an important role in treatment of cardiovascular system diseases. (formula I).

The purpose of the present invention is to provide a technique for preventing the decrease in the content of dibutylhydroxytoluene in a preparation and improving the stability of dibutylhydroxytoluene. In a container in which a dibutylhydroxytoluene-containing preparation is to be contained, a resin containing at least one polymer selected from the group consisting of polybutylene terephthalate, polyethylene terephthalate, polystyrene, acrylonitrile butadiene styrene, polycarbonate, polymethyl methacrylate and an ethylene-(vinyl alcohol) copolymer is used as a resin constituting the inner wall surface (a wall surface of an interior space in an expulsion section and/or a wall surface of a lid which faces an expulsion outlet of the expulsion section) of the container. It becomes possible to prevent the adsorption of dibutylhydroxytoluene onto the expulsion section and keep the content of dibutylhydroxytoluene in the preparation steadily.

The invention discloses an antiseptic, anti-oxidation multi-effect active nano fresh-keeping film for cold fresh meat and a preparation method thereof. The raw materials of the fresh-keeping film comprise, in parts by weight, 1.00-20.00 parts of chitosan, 1.00-10.00 parts of sulfobutyl-beta-cyclodextrin, 0.50-10 parts of epsilon-polylysine, 1.00-25.00 parts of compound catechin, 100-300 parts of edible gelatin, 10-80 parts of glycerin, and 1-10 parts of transglutaminase. The provided compound catechin-epsilon-polylysine active nano fresh-keeping film for cold fresh meat is natural, safe and non-toxic, and environment-friendly, antioxidant properties of catechin and antibacterial properties of epsilon-polylysine are combined, good antioxidant and antibacterial properties are obtained, and sustained release of active substances is realized to maintain the properties of the film for a relatively long period of time. The fresh-keeping film is used for fresh-keeping of cold fresh meat, the problem that a fresh-keeping film containing a catechin substance brings bad color performance to a meat sample is solved, and further the shelf life of cold fresh meat is prolonged.

The invention discloses a high-efficiency gasoline detergent and a preparation method thereof, which belong to the technical field of a detergent. The method obtains a solid acid high-efficiency catalyst by using zirconium oxychloride and tungsten phosphate, a boric acid ester additive is added to modify an intermediate, and has good dispersing property in gasoline, the polyisobutylene segment chain in the molecules is combined and bounded with the oily particles to prevent carbon deposition, and the fuel thermal stability and oxidation resistance can be kept. The method introduces the boric acid ester additive in the preparation process of a clean active additive, so that the mechanical life prolongation and fuel consumption control can be realized. The p-phenetidine and glycerol are catalyzed by the catalyst, which increases an alkylation structure of an ethoxy group and an amino group, and the purpose of eliminating the detonation combustion can be achieved. The method adds n-octylalcohol and n-dodecyl alcohol for mixing to promote the combustion of gasoline, so that the cleaning effect in a fuel process is exerted. The high-efficiency gasoline detergent solves the problems that the current gasoline detergents have poor cleaning and carbon-removal effects, cannot reduce fuel consumption, and cannot prevent engine wear.