37results about How to "Bright red" patented technology

An extracting method of blackberry pigment relates to a technique for producing natural blackberry pigment using fresh or frozen blackberry. The natural blackberry pigment has bright color, stable quality, rich nutrient and widely used in every field of food industry. Because the maturation period of the blackberry is centralized and the blackberry is not easy to store, the factory run is used to process the fresh blackberry into pigment powder during collection period; or the factory run is used to process the frozen blackberry into pigment powder during dead period of production. The preparation method comprises heating and softening the fresh or frozen blackberry, crushing, extracting, decompression concentrating, adjusting pH, diluting, centrifuging, purifying, decompression concentrating, drying and grinding. The invention provides a safe and effective method for extracting and purifying the blackberry pigment to obtain natural pigment with high purity, good chemical stability and strong water solubility.

The invention discloses a preparation method of a hemoglobin coloring agent. The preparation method of the hemoglobin coloring agent comprises the steps that firstly, a hemoglobin water solution is extracted from fresh blood of livestock and poultry; secondly, arginine or lysine is added to the hemoglobin water solution, so that the mixed solution is obtained, wherein the ratio of the arginine or the lysine in the mixed solution is 4-12 mg/mL, and the pH value is adjusted to be 9.5-12; and thirdly, the mixed solution is dried. In the preparation process, the arginine or lysine is added, the arginine or lysine is used as an antioxidant and can protect hemoglobin, and therefore the hemoglobin can be kept in bright red. According to the preparation method of the hemoglobin coloring agent, the best technological conditions for preparation of hemoglobin high in stability are determined, and the basis is provided for mass production and processing. The prepared novel hemoglobin coloring agent product has good stability in different concentrates of NaCl and solutions of different gradients of pH.

The invention discloses an Europium fluorescent probe and test paper based on diphenic acid and application thereof in the detection of p-phenylenediamine, the structural unit of the fluorescent probe is [PMI]2[Eu2(BPDC)3C12], wherein the PMI represents 1-propyl-3-methylimidazole monovalent cation, BPDC represents diphenic acid radical that loses protons on two carboxyl groups; the fluorescent probe belongs to a monoclinic crystal system and the space group is P21/c. the crystal cell parameters are as follows: alpha is equal to gamma, which is equal to 90 degree, belta is equal to 96.6830(10) degree; and the crystal cell volume of z is equal to 4. The fluorescent probe of the invention has excellent red fluorescence properties and shows bright red under the irradiation of an ultraviolet lamp, the p-phenylenediamine in the aqueous phase has a significant quenching effect on the red fluorescence of the fluorescent probe and test paper, so the fluorescent probe and test paper can be used for detecting p-phenylenediamine with high sensitivity, high selectivity and anti-interference, the fluorescent probe and test paper are disposable (similar to normal pH test paper).

Provided is a spectacle lens (1) comprising one multilayer film (3a, 3b) on each surface of a plastic lens base material (2), wherein by setting an average reflection rate in at least the 530-570 nm wavelength range to 2.5-5.5% in at least one of the multilayer films (3a, 3b) disposed on a surface of the plastic lens base material, it is possible to attain, in dim environments, an improvement in vividness and brightness in visibility of objects, particularly those that are red in color, as well as an improvement in visibility of the white in white computer screens and the like, and the lens isthereby suitable for the eyes of elderly people.

The invention discloses a red concrete block and a preparation method thereof. The block comprises white cement, iron tailings, fly ash, gravel, calcium aluminum silicate, hydroxyethyl methyl cellulose ether, basalt fibers, redispersible latex powder, mineral wool slag, a naphthalene-based superplasticizer, chromium-yttrium-aluminum red ceramic, sodium thiosulfate, red mud and a composite additive. Various raw materials of the concrete block are creatively and organically combined, and the red concrete block with good compression resistance, fire-proofing, heat insulation, health care, environmental protection, small heat-conducting coefficient, light weight, low water absorption and bright color is obtained with an optimized preparation process.

The invention relates to a pearl eosin dyeing method and belongs to the technical field of pearl dyeing. The method comprises the following steps of: (1) pretreating a pearl, namely soaking the cleaned pearl in hydrogen peroxide for 12 to 24 hours, and transferring to absolute ethyl alcohol for first dehydration treatment, and changing the absolute ethyl alcohol; (2) preparing dyeing solution, namely preparing water, the absolute ethyl alcohol and absolute methanol into a solvent according to a volume ratio of 2-6:3-5:1-5, adding dyes, potassium iodide and a surfactant into the solvent and fully mixing to prepare the dyeing solution; and (3) dyeing the pearl, namely impregnating the pretreated pearl into the prepared dyeing agent, dyeing for 3 to 7 days at the constant temperature of 45 DEG C, and cleaning and drying to obtain the finished product. The pearl eosin dyeing method has the advantages of good dyeing effect, and uniform and bright dyed red color.

The invention discloses mustard juice funguses with tea fragrance and a preparation method of the mustard juice funguses with tea fragrance, relates to a fungus food and a preparation method thereof, and aims to solve the problems that a conventional eating manner of black funguses is single, after the funguses are soaked in water, the harsh taste of the funguses cannot be removed, products which are instant after being taken from bags and are made by wholly using the black funguses as a main material do not exist in China, and a given quantity of food additives and a given quantity of preservatives are needed for the products which are instant after being taken from bags. The mustard juice funguses with tea fragrance are prepared from soaked funguses, olive oil, carrot shreds, a mustard sauce, table vinegar, a dark soy sauce, honey, edible salt, sodium glutamate, lactic acid, citric acid and acesulfame. The preparation method comprises the following steps of I, preparing high-temperature immersed funguses; II, preparing soaked funguses; III, performing weighing; IV, preparing sauce materials; V, preparing ingredients; and Vi, performing mixing. The invention provides the mustard juice funguses with tea fragrance and the preparation of the mustard juice funguses with tea fragrance.

The invention relates to the technical field of pigment production processes, in particular to a red pigment for wall surface painting and a preparation method of the red pigment. The red pigment forwall surface painting comprises the following raw materials in parts by weight: 40-50 parts of an anemone red pigment extract, 55-65 parts of polyacrylic acid emulsion, 10-15 parts of arabian jasmineflower powder, 3-5 parts of oxidized hydroxypropyl starch, 30-40 parts of talcum powder, 1-3 parts of a water-based defoamer BEK-750, 3-5 parts of D-mannitol, 3-5 parts of sodium benzoate, 1-3 parts of fungicide, 2-4 parts of propylene glycol, 6-8 parts of sodium alginate and 55-60 parts of water. The prepared pigment is safe and environmentally friendly, is stable in quality, high in coloring power, bright in color and abundant and saturated in color, and the pigment has high color retention and flexibility; and the red pigment for wall surface painting has the characteristic of rapid drying,is bright in color, high in coloring power and long in storage time, cannot fade out due to solarization when used in an outdoor environment, is environmentally friendly and nontoxic when used in anindoor environment, is easy to store for a long time, and is quite suitable for wall surface painting of a school.

The present invention relates to a method for producing tomato-flavored instant cornflakes, and belongs to the technical field of food processing. The producing method comprises the following steps: selecting materials, soaking, cooking, forming, frying, drying, and sorting and packaging. Through the method for producing tomato-flavored instant cornflakes, fresh corns are made into the cornflakes, so that original taste and nutrition of the corns are fundamentally maintained.

An iron oxide powder which has an aluminum content of from 10 mol % to 80 mol % (inclusive), and which is composed of porous structures that have a diameter of from 0.3 μm to 2 μm (inclusive).

The invention discloses lead-free red wear-resistant frit for ceramics preparation, which is prepared from the following raw materials in part by weight: 30-50 parts of SiO2, 10-20 parts of Al2O3, 1-5 parts of CuO, 1-5 parts of Fe2O3, 10-20 parts of CaO, 10-20 parts of MgO and 10-20 parts of B2O3 and 10-20 parts of alkali metal. The lead-free red wear-resistant frit for ceramics preparation disclosed by the invention has the advantages of bright red, good wear resistance, and good attractiveness, and especially has uniform color distribution, no lead and environment friendliness, and wide application scope.

The invention discloses lead-free pink frit for ceramics preparation, which is prepared from the following raw materials in part by weight: 40-60 parts of SiO2, 15-25 parts of Al2O3, 10-15 parts of Bi2O3, 10-15 parts of CaO, 5-10 parts of MaO, 15-20 parts of B2O3 and 10-15 parts of alkali metal. The lead-free pink frit for ceramics preparation disclosed by the invention has the advantages of bright pink glaze, uneasiness in color fading, uniform color distribution, good glossiness, good attractiveness, no lead, environment friendliness and safety.

The invention discloses a rapid detection kit for IgG blood group antibody titer. The rapid detection kit comprises a standard red blood cell suspension, a flushing fluid and a detection test strip; the detection test strip comprises a sample adding part, a reaction part and a water absorption part which are sequentially arranged in a contact manner from the upstream side to the downstream side; the sample adding part is sequentially provided with a washing sample adding area, an erythrocyte sample adding area and a sample adding area from the upstream side to the downstream side; the reactionpart is provided with at least one detection point and a contrast point, wherein at least one detection point is coated and cured with an anti-human IgG antibody, and the contrast point is coated andcured with an anti-RBC antibody. When the kit is used, only one-step sample adding, red blood cell adding and flushing fluid adding are needed, and a result can be obtained after 3-5 minutes.