31results about How to "Improve texture properties" patented technology

The present disclosure relates to value-added non-fried, crispy apple food products and a consumer-friendly process for manufacturing these products that does not use deep-frying in oil.

The invention relates to a preparation method of a catalyst carrier, a preparation method of a supported catalyst, the supported catalyst, a use of the supported catalyst and a method for producing synthetic gas through dry reforming of methane through the supported catalyst. According to the preparation method of the catalyst carrier, a sale carrier precursor such as pseudo-boehmite as a raw material is used, a carrier modification assistant is directly added into a glue solvent such as a dilute nitric acid solution, simultaneously, a pore forming agent and an extrusion aid are added into the solution, the mixture is mixed and is extruded to form strips and the strips are dried and roasted. The carrier is roasted once so that the carrier has excellent texture properties, has a large specific surface area and is conducive to active metal uniform dispersion. The carrier carries an active metal Ni to form the supported catalyst and the supported catalyst is used for a methane dry reforming catalytic reaction. Compared with the same type of the existing catalyst, the supported catalyst has higher catalytic activity and better resistance to carbon deposition.

The invention discloses a precious metal methanation catalyst prepared by using a solution combustion method, which comprises the following components in percentage by weight: 1-10% of precious metal oxides and 90-99% of a carrier. The precious metal methanation catalyst disclosed by the invention has the advantages that the catalyst is applicable to a trace CO methanation process, and stable in catalytic performance.

The invention discloses a composite oxide and a preparation method thereof. The preparation method is characterized in that a precursor solution of the composite oxide is prepared; the precursor solution and an alkaline solution are subjected to titration reaction with high-speed stirring under room temperature according to a coprecipitation method, wherein the pH in the titration reaction is 8.5-9.5; composite oxide sizing obtained in the titration reaction is quickly heated to be 50-80 DEG C to enable the growing of crystal grains, and the composite oxide sizing is stirred for 1-3 hours under 50-80 DEG C; the alkaline solution is supplemented to maintain the pH of the composite oxide sizing; the composite oxide sizing is cooled to the room temperature and stood for 1-6 days to enable the slow developing of the crystal grains; then the composite oxide sizing is aged for 6-8 hours under the temperature of 90-95 DEG C to enable the developing of particles; finally, the composite oxide sizing is roasted at the temperature of 600-1000 DEG C to obtain the composite oxide. Compared with a sample prepared by a traditional constant-temperature titration reaction, the composite oxide prepared by the method has the characteristics of being high in specific surface area, high in pore volume, and wide in pore size distribution; the composite oxide can be used as a carrier material in exhaust cleaning of moving sources such as a motor vehicle, and treatment of solid sources such as catalytic combustion or volatile gas, and can also be directly used as a catalyst, so that the composite oxide is applicable to various application fields.

The invention discloses an inulin low-fat yogurt pudding and a preparation method thereof, and belongs to the technical field of food processing. The inulin low-fat yogurt pudding is prepared from the following components by weight percent: 30-40% of yogurt base, 2-10% of inulin, 0.05-0.5% of a thickener, 0.001-5% of a sweetening agent and the balance of water, wherein the inulin is a soluble dietary fiber, can selectively promote growth of colon probiotics, and has the functions of reducing blood sugar concentration, maintaining lipid metabolism balance, improving the bioavailability of mineral elements, enhancing the immunity of the organism, and the like. The inulin low-fat yogurt pudding disclosed by the invention contains the inulin dietary fiber, is low in fat content, and smooth in mouthfeel, has the functions of improving the intestinal microenvironment, controlling blood fat and blood sugar levels, reducing the energy, promoting absorption of a mineral substance and synthesis of vitamins, and is especially suitable for middle aged and elderly people with diseases such as constipation, obesity, hypertension, hyperlipidemia and diabetes mellitus.

The invention discloses a method of deeply modifying attapulgite to prepare a nano carrier material; the method comprises the steps of crushing attapulgite, screening, rinsing with water, separating by settling, and drying to obtain primary attapulgite; subjecting the primary attapulgite to primary acid modification, filtering and separating, washing, and drying to obtain acid-modified attapulgite; subjecting the acid-modified attapulgite to secondary alkali modification in an ice-water bath under the protection of nitrogen, filtering, separating, washing, and drying to obtain deeply-modified attapulgite; cyclically modifying via filtrates obtained by the primary acid modification and secondary alkali modification and part of a washing liquor which fresh inorganic acids and alkaline salts are added, and neutralizing the rest washing liquor. Attapulgite is deeply modified via chemical redox at low temperature, further improvements on surface characteristics and texture performance of the attapulgite are promoted, modification wastewater is effectively treated, and the method is an efficient green thorough method of modifying attapulgite.

The invention discloses application of a compound feed additive in preparation of feed for improving muscle texture of cultured large yellow croakers. Glycerol monolaurate, glycerol caprate and glycerol caprylate are used as feed additives and are added into the feed for culturing the large yellow croakers according to a ratio. According to the application disclosed by the invention, medium-chainfatty acid is applied through the feed additive, so that the mRNA level synthesized by muscle fibers in bodies of the cultured large yellow croakers can be effectively improved, and a metabolic pathway synthesized by protein and amino acid is up-regulated, and furthermore, the muscle texture and muscle fiber diameter of the large yellow croakers are improved. According to the application disclosedby the invention, the medium-chain fatty acid is applied through the feed additive, so that the content level of the amino acid, fatty acid and flavor substances in the muscles of the cultured largeyellow croakers can also be effectively improved, and furthermore, the flavor substances of the large yellow croakers are improved.

The invention discloses biological enzyme-improved double-cooked toast and a preparation process thereof, belongs to the technical field of bread food preparation, and solves the problem that toast iseasy to age when an emulsifier is not used. The technical key points are as follows: the biological enzyme-improved double-cooked toast is prepared from the following components in parts by weight: dough made with boiling water: 950 to 1100 parts of wheat flour and 950 to 1100 parts of water; seed dough: 5500 to 6500 parts of wheat flour, 110 to 130 parts of yeast, 3400 to 3800 parts of water, 0.18 to 0.24 part of an enzyme preparation group and 0.085 to 0.12 part of vitamin C; and main dough: 2500 to 3500 parts of wheat flour, 57 to 63 parts of yeast, 900 to 1100 parts of white granulated sugar, 550 to 650 parts of butter, 130 to 150 parts of a edible salt and 2050 to 2350 parts of water. According to the scheme, the change rate of various texture data of the prepared double-cooked toastis effectively reduced, so that the change amplitudes of hardness, elasticity, chewiness and resilience of the double-cooked toast within the same time are effectively reduced, and the double-cookedtoast has relatively good ageing resistance.

The present invention discloses a yin-nourishing and dryness-moisturizing green tea-Lentinus edodes-lotus leaf steamed bun and a preparation method thereof. The steamed bun is prepared from the following raw materials in parts by weight: 280-300 parts of wheat, 22-30 parts of fresh lotus leaves, 20-30 parts of Taigan (a kind of dry stemmed vegetable), 14-20 parts of Lentinus edodes, 7-10 parts of green tea, 28-30 parts of rice milk, 1-1.5 parts of gmelin sealavender herb, 1.4-1.5 parts of donkey-hide gelatin, 1-2 parts of Kadsura longipedunculata, a proper amount of white sugar and a proper amount of table salt. The steamed bun is bright in color and luster, chewy in texture and lingering in fragrance after entering the mouth, and the addition of gmelin sealavender herb, donkey-hide gelatin, Kadsura longipedunculata and other edible medicinal herbs makes the steamed bun have health-care benefits in clearing away heat and toxic material, enriching blood and tonifying qi, and nourishing yin and moisturizing dryness.

The invention discloses a lotus-flavored steamed bun for relieving stagnation and calming the nerves, balancing yin and yang, which is made of the following raw materials in parts by weight: 280-300 parts of wheat, 22-30 parts of fresh lotus leaves, 10-13 parts of shallots, 6-10 parts of pig blood, and sharp peppers 3-5, 5-10 tomatoes, 1-1.4 grain buds, 1-2 sunflower leaves, 0.8-1 Albizia Julibrissin, appropriate amount of sugar and salt. The present invention has bright color, strong mouthfeel, long-lasting fragrance in the mouth, grain buds, sunflower leaves, Albizia julibrissin and other food and medicinal materials are added, which is rich in digestion and strengthening of the spleen, lowering blood pressure and calming the liver, relieving stagnation and calming the nerves, nourishing yin and tonifying yang health benefits.

The invention provides a denitration catalyst and a preparation method thereof, and a waste gas denitration method, belonging to the field of waste gas treatment. The denitration catalyst comprises a core layer, a middle layer and a shell layer, wherein the core layer comprises titanium nanotubes, the middle layer comprises manganese oxide, and the shell layer comprises iron oxide. The preparation method of the denitration catalyst comprises the following steps: subjecting a manganese oxide precursor to reacting with the titanium nanotubes to obtain the titanium nanotubes loaded with the manganese oxide, and then modifying the titanium nanotubes loaded with the manganese oxide by using an iron source to obtain the denitration catalyst. According to the waste gas denitration method, waste gas denitration is carried out by using the denitration catalyst. The denitration catalyst provided by the invention has higher stability, activity, selectivity and sulfur resistance; raw materials used in the preparation method are environment-friendly and easily available, operation is simple and controllable, and expanded production is facilitated; and when the denitration catalyst is used for denitration treatment of waste gas, a denitration rate is high, selectivity is good, and stability is high.

The invention discloses a lotus-flavored steamed bun, which is made of the following raw materials in parts by weight: 280-300 parts of wheat, 22-30 parts of fresh lotus leaves, 9-14 parts of duck blood, 8-10 parts of bamboo shoots, 10-12 parts of distiller's grains, and 7 parts of bean dregs. 8. 1.6-2 apple blossoms, 1.8-2.2 ginseng leaves, 1-2 river willows, appropriate amount of sugar and salt. The present invention has bright color, strong mouthfeel and long-lasting fragrance in the mouth. It also adds food and medicinal materials such as apple blossom, ginseng leaf, and willow, etc., which enriches the present invention to invigorate qi and benefit the lungs, dispel heat and promote body fluid, moisten the lungs and delight the heart, promote body fluid and appetizer, Health benefits of nourishing blood and improving eyesight.

The invention relates to the technical field of rotating wheel preparation, in particular to an antibacterial household dehumidifying rotating wheel and a preparation method thereof.The preparation method comprises the steps that an inorganic fiber rotating wheel is pretreated, impregnated with a silicon source at the room temperature, dried and then impregnated in acid liquor for a water bath reaction; drying and roasting after washing to be neutral; dipping into an active agent, washing and drying; and soaking in a metal salt solution for reaction, soaking in a reduction reaction solution for water bath reaction after the reaction is finished, and washing and drying to obtain the antibacterial household dehumidifying rotating wheel. The prepared antibacterial household dehumidification rotating wheel comprises the metal particle-silica gel composite material, the antibacterial property can be effectively generated, the texture property of the material is improved, the water absorption capacity is increased, and the dehumidification performance of the rotating wheel is improved.