72 results about "Food coloring" patented technology

The invention discloses a polyvinyl alcohol composite film as well as a preparation method and application thereof in food coloring detection. The polyvinyl alcohol composite film is prepared from raw materials including phenylboronic acid modified carbon dots and polyvinyl alcohol through a thermocuring reaction, a phenylboronic acid group on the surface of the phenylboronic acid modified carbon dot and polyvinyl alcohol form a reversible covalent bond crosslinking point based on boric acid ester so as to form a dynamic three-dimensional network, and the structural formula of the phenylboronic acid modified carbon dot is # imgabs 1 #. The phenylboronic acid modified carbon dot is simple in process, easy to process and form and simple and convenient to use; compared with the prior art, the carbon dots modified by phenylboronic acid groups and the polyvinyl alcohol are added, the crosslinking effect between the carbon dots modified by the phenylboronic acid groups and the polyvinyl alcohol is remarkably enhanced, the mechanical strength and water resistance of the composite film are improved, the food coloring detection capacity of the composite film is improved, and in addition, the composite film further has the characteristic of being capable of being reprocessed, so that the composite film has wide application value.

1. A composition, which is an anthocyanin-based colorant composition comprising 50-90 mol-%, based on the total amount of anthocyanins, of pelargonidin-based anthocyanins, and wherein (i) >70 mol-% of all anthocyanins are acylated with at least one phenolic acid; and (ii) >20 mol-% of all anthocyanins are acylated with at least one hydroxycinnamic acid; and wherein the composition has a red color with a hue value H≥ in the L*C*h* color system in the range of 10-30, measured at an L*-value of (70.0±0.1) in a 0.1 mol / l trisodium citrate dihydrate buffer at pH 3 in a 1 cm-length quartz cell using Spectraflash 650 (Datacolor) in transmission mode under D65 illuminant 10 Deg. Also, the present invention relates to use of the above compositions as a food colorant.

The invention relates to the field of C09D11, in particular to solvent type edible ink and a preparation method thereof. The solvent type edible ink is prepared from the following raw materials: food essence auxiliary materials, edible spice A, edible spice B and emulsified edible pigment, the emulsified food coloring is prepared from the following raw materials: food coloring, water, edible spices and food essence auxiliary materials. According to the present invention, the edible pigment is prepared into the emulsified edible pigment, and the edible pigment is emulsified into the water-insoluble emulsified edible pigment through the water-in-oil system, such that the solvent type edible ink has characteristics of high water content printing, good printing smoothness, high pattern stability and excellent actual use effect.

A whole-body or whole-room voluminous antiviral and antibacterial airborne disinfection system is disclosed which includes a sterilization chamber, including a nozzle disposed in the sterilization chamber, a tank disposed outside the sterilization chamber, the tank is adapted to hold a photosensitizer fluid of edible food dyes, a light source within the sterilization chamber adapted to flood the sterilization chamber with light; and a nozzle adapted to release the photosensitizer fluid aerosols and generate reactive oxygen species in a fog-like dispersion.

The invention provides a kind of gel material, including the following components: agar, carrageenan, konjac gum, additives; The mass ratio of described agar, carrageenan, konjac gum is 18-22:1-5:1-5; The described additives include potassium dihydrogen phosphate, potassium sorbate, food coloring. The venipuncture model of the present invention is a highly simulated human blood vessel model, which can simulate real human blood vessel structure, so that learners can perform practical operation in a simulated environment, improve learning effect, adopt agar as main material, simple to make, with low cost, convenient for large-scale production and promotion, single model single point can actually enter needle puncture and reach more than 70 times, improve mold service life, and reduce cost.

The invention discloses enhanced shampoo powder based on plant-derived antibacterial factors, which comprises the following components in parts by weight: A, 10-40 parts of plant polysaccharide; b, 5-30 parts of vegetable protein; c, 4-15 parts of natural alkaline ester; d, 2 to 10 parts of natural polyol; e, 1-7 parts of plant organic acid; f, 2 to 20 parts of a plant antibacterial active component; g, 3-6 parts of a food-grade anti-caking agent; h, 1 to 10 parts of divalent metal ions; i, 0.5-2 parts of food coloring; plant polysaccharide and plant protein are matched to form a net-shaped embedding structure, and plant antibacterial active components are uniformly embedded into a multi-layer steady-state structure; buffer substances of natural alkaline lipid, polybasic sugar alcohol and plant organic acid are matched to synergistically form a thermal steady state barrier on the periphery of the net-shaped embedding structure, so that the high-temperature stability of active factors in plant antibacterial active ingredients and the controllable slow release of the storage period are promoted; the technical problem that the plant antibacterial active ingredients are subjected to thermal oncolysis, hydrogenation inactivation or molecular configuration isomerization in the links of mixing granulation and subsequent drying is solved.

To provide a delicious and beautiful decorative food capable of being easily attached to a rice ball, an egg or the like when decorating the rice ball, the egg or the like, and hardly falling off.SOLUTION: The edible powder is mixed with an edible pigment raw material, common salt, etc., and the mixture is formed into a thin rod-like shape, etc., so as to be readily inserted into the white rice and readily folded when used and the formed product is baked or dried. Further, by using a food color raw material having a particle diameter of 500 μm or less, the folded cross section can be formed into a smooth hemisphere or a substantially flat surface. As a result, the decorative food in which the "eye prepared by cutting and sticking the sheet laver" is replaced with the "insertable rod-shaped or wedge-shaped eye" is provided.SELECTED DRAWING: Figure 8

The utility model relates to the technical field of food pigments, in particular to a food pigment chemical inspection device which comprises an inspection device body, a flask is arranged in the inspection device body, a connecting pipe is arranged on the outer side of the flask, and a discharging hopper is arranged at the end, away from the flask, of the connecting pipe. A smashing assembly is arranged at the end, away from the connecting pipe, of the discharging hopper, and a filtering assembly is arranged in the connecting pipe. The crushing assembly is used for crushing the introduced food, the crushing assembly is composed of a connecting shell, an auger, a cutting knife and a connecting plate, the connecting shell is located in the inspection device body and located above the discharging hopper, the auger is rotationally connected to the interior of the connecting shell, the cutting knife is fixedly connected to the outer side of the auger, and the connecting plate is fixedly connected to the outer side of the connecting shell. Compared with the existing inspection device, the inspection device provided by the utility model has the advantage that the overall practicability of the inspection device can be improved through the design of the inspection device provided by the utility model.

This invention discloses a fruit juice jelly soda and its preparation method, relating to the field of food processing technology. The fruit juice jelly soda comprises liquid materials and carbon dioxide gas, with a volume ratio of liquid materials to carbon dioxide gas of 1:(1-2). The liquid materials comprise the following raw materials in parts by weight: 1000 parts water, 50-100 parts fructose syrup, 30-50 parts carbonated white sugar, 10-50 parts concentrated fruit juice, 5-10 parts sodium chloride, 5-10 parts compound thickener, 1-5 parts anhydrous citric acid, 1-3 parts potassium sorbate, 0.01-0.1 parts food coloring, and 1-3 parts food flavoring. The fruit juice jelly soda of this invention combines the flavor of fruit juice jelly with the refreshing taste of carbonated soda.

The present application relates to methods, systems, and compositions for food coloring. Embodiments of the present application can include methods and systems for mixing tea leaves with water to form a feed slurry; treating the feed slurry to at least partially remove tea essence from the feed slurry to obtain a tea extract containing a predetermined amount of one or more aroma or flavor; and adjusting the color of the tea extract to obtain a colorant having a predetermined color-related characteristic, wherein the colorant is added to a food product in a predetermined amount to adjust the color of the food product. Embodiments can also include a coloring composition that can include a dry tea extract, wherein the essence in the dry tea extract has been removed to a predetermined amount, and the color of the dry tea extract has been adjusted to have a predetermined color-related characteristic.

The invention provides a preparation method of a common caramel color and the common caramel color, and the preparation method of the common caramel color comprises the following steps: adjusting the pH value of a sugar raw material to 1-2 by using a first acid auxiliary agent, and carrying out a first-stage coking reaction on the sugar raw material to prepare a first-stage material; adjusting the pH value of the first-stage material to 1-2 by using a second acid auxiliary agent, and carrying out a second-stage coking reaction on the first-stage material to prepare a second-stage material; and mixing the second-stage material with water, adjusting the pH value of the mixed system to 4.5-5 by using an alkali auxiliary agent, and carrying out heat preservation treatment at 90-100 DEG C to prepare the common-method caramel color. The application coloring ability of the common-method caramel color vegetable prepared by the preparation method is remarkably improved, so that the application quality of common-method caramel color in food coloring is effectively improved.

The invention belongs to the technical field of food coloring, and particularly relates to a compound sweetening agent capable of coloring at low temperature for food as well as a preparation method and application of the compound sweetening agent. The D-psicose and tagatose chewable tablets are prepared from the following raw materials in parts by mass: 15 to 20 parts of D-psicose, 1 to 5 parts of tagatose, 2 to 8 parts of D-xylose, 20 to 25 parts of xylitol, 30 to 35 parts of solid maltitol, 30 to 35 parts of liquid maltitol, 10 to 14 parts of polydextrose and 0.5 to 1.5 parts of stevioside. The sweetening agent with a coloring function is perfectly combined with other sugar-free sweetening agents, so that function synergy is realized, food can quickly generate good color and luster in a low-temperature state, and the nutrition of the food is prevented from being lost.

The utility model relates to the technical field of cooking equipment, and discloses a partition plate and an oven comprising the partition plate, the partition plate is applied to the oven, the oven is provided with at least two baking cavities and comprises a heat-insulating partition plate main body, an air supply channel is arranged in the partition plate main body, and the partition plate main body is provided with an air inlet hole for hot air to enter. The air inlet hole and the air outlet hole are communicated with the air supply channel, and the air outlet hole is communicated with the at least one baking cavity, so that hot air compensation can be provided for the baking cavity by utilizing the partition plate, the spatial distribution of hot air in the baking cavity is uniform, the uniformity of hot air baking can be improved, and the coloring uniformity of baked food can be improved; the baking quality is improved.

A fully dissolvable anticaries remineralization toothpaste for children and a preparation method thereof. The toothpaste has a three-layer composite structure: a dissolvable backing protective layer, an anticaries remineralization active layer, and a pH responsive layer. All components are food grade or pharmaceutical excipient grade, and completely dissolve within 10-30 minutes in the oral environment, without the need to remove after use. The active layer contains a "fluoride-nano hydroxyapatite-xylitol" ternary synergistic system, which can inhibit demineralization, promote remineralization, and inhibit cariogenic bacteria. The active layer also contains pH-responsive food colorants, which visually indicate the end of use through color changes. Formulas are designed for children aged 3-6 and 6-12, respectively, and the toothpaste can be cut along the preset line to fit different arch sizes. The invention solves the problems of poor use compliance, high risk of swallowing, and short residence time of active ingredients in existing children's anticaries products, and achieves safe, effective, and fun oral care for children.

This invention discloses a non-toxic liquid chromatography teaching aid, comprising a medium-pressure liquid chromatography column with an aspect ratio of not less than 10, activated amorphous silica gel, a syringe, a pre-dispensed mixture of target compounds, and pre-dispensed food-grade citric acid. The pre-dispensed mixture of target compounds is a mixture of carmine, tartrazine, and brilliant blue. This invention does not use harmful solvents or reagents, and the separation time is significantly reduced to less than 3 minutes. Furthermore, the chromatographic column used as a teaching aid can be reused multiple times. The actual separation cost is only pure water and food coloring solution, greatly improving the feasibility of chromatography teaching experiments.

This invention provides a method for accurately detecting pinholes in molds used for manufacturing frozen desserts. [Solution] The pinhole detection method involves immersing a mold 10 for making frozen desserts, which has a containment section for containing a fluid and solidifies the fluid, in a brine solution 22 to which a fluorescent food coloring has been added, and detecting pinholes in the mold 10 for making frozen desserts.

The invention discloses a peony cut-flower single-color and compound-color dyeing method which comprises the following steps: (1) preparing a dyeing solution, namely preparing a food coloring into the dyeing solution by using a trehalose solution, and immediately preparing for use; (2) flower cutting pretreatment: pruning flowering branches with the length of about 30cm, leaving two compound leaves below the flowers, obliquely cutting the lower ends of stalks at 45 degrees, and immersing the stalks into a staining solution with the depth of 5-8cm; and (3) dyeing: performing single-color dyeing for 104-193 minutes, taking out the Chinese herbaceous peony to obtain the single-color-dyed Chinese herbaceous peony cut flower, taking out the Chinese herbaceous peony until the color is unchanged, directly inserting the Chinese herbaceous peony into another dyeing solution until the color is uniform, and taking out the Chinese herbaceous peony cut flower to obtain the compound-color Chinese herbaceous peony cut flower. After being dyed, the Chinese herbaceous peony cut flower obtained by the dyeing method is stable and bright in color, more natural in color fusion, more uniform in overall color, better in ornamental effect and more diversified in applicability, and production and consumption can be promoted. And moreover, the ornamental period required by the cut flowers can be reached, and the practical commercial value is achieved.

The invention belongs to the technical field of food color protection, and discloses a composition for food color protection and a preparation method and application thereof. The color composition comprises the following components in parts by weight: (a) 10-70 parts of a mushroom solid beverage; (b) 10-85 parts of chenopodium quinoa flour or a chenopodium quinoa solid beverage; wherein the composition is free-flowing powder and is suitable for being added into food before being heated. The color protection composition is formed by combining mushroom substances, quinoa, optional supplementary tsaoko amomum fruits and lotus seeds according to specific parts by weight, and the formed color protection composition has a good color protection effect on meat products and also has good antioxidant and antibacterial effects. And color protection and fresh keeping of food are facilitated.

Disclosed are a food grade starch based modeling clay with high elasticity and high ductility and its preparation method, belonging to the technical field of modeling clay preparation. The starch based modeling clay provided by the present disclosure is prepared from the following formula components: 160-180 parts of starch, 140-160 parts of water, 10-15 parts of a food grade stabilizer, 10-15 parts of edible salt, 0-10 parts of hydrophilic colloid, 0.6-0.8 parts of a preservative, 40-60 parts of a food grade plasticizer, 6-10 parts of food grade white oil, and 4-8 parts of edible pigment. The starch includes one or a combination of more of cassava starch, wheat starch, and glutinous rice starch. The present disclosure, through combined use of the starch and the hydrophilic colloid, makes the prepared starch based modeling clay have good viscoelasticity and ductility, and good in storage stability, safe and non-toxic.

The invention discloses a degradable biological imitation leather composite fabric and a preparation process thereof, and relates to the field of artificial leather, and the preparation process comprises the following steps: S1, weighing 100 parts by weight of deionized water, placing the deionized water in a saucepan, placing the saucepan on an induction cooker, heating the saucepan to 80 DEG C at 800W, and adding 1.5-2.0 parts of edible carrageenan; s2, adding 2.0-3.0 parts of medical glycerol into the solution obtained in the step S1, and stirring for 5 minutes; s3, adding 0.1 to 0.3 part of food coloring and 0.5 to 1.0 part of fruit and vegetable powder into the solution obtained in the step S2; s4, the wool tops or the cotton materials are placed at the bottom of the silica gel mold or the vessel; s5, pouring the mixed solution obtained in S3 into a mold or a vessel in which a decorative material is placed, cooling to room temperature, and refrigerating at 4 DEG C for 30 minutes to completely solidify; and S6, independently drying the solidified gel material together with the mold or after the solidified gel material is separated from the mold. And the fully biodegradable fabric with the imitation leather style is prepared.

The invention discloses temperature-sensitive molding mud and a preparation method thereof, and relates to the technical field of molding materials, the molding mud comprises the following raw materials by weight: A: 55-65 parts of beeswax; b: 15-20 parts of edible wax oil; c: 8-12 parts of edible vegetable oil; d: 50-75 parts of edible starch; e: 1-3 parts of food coloring; the preparation method of the molding mud comprises the following steps: raw material pretreatment: crushing blocky beewax with the melting point of 62-65 DEG C into particles with the particle size of less than or equal to 2mm, and adopting a low-temperature crusher with the working temperature of less than or equal to 10 DEG C to prevent adhesion; sieving the edible-grade starch with water less than or equal to 12% and 50-100 meshes, drying in an oven at 60 DEG C for 2 hours, and controlling the final water less than or equal to 5%; the melting point of the wax oil is 30-35 DEG C, the wax oil and the vegetable oil are premixed in proportion, heated to 40 DEG C and stirred for 10 minutes to be in a uniform liquid state.

There is provided an inkjet ink that sufficiently suppresses photodiscoloration and / or photo fading of printed images and has excellent lightfastness and tablet printed matter including printed parts printed with the inkjet ink. An inkjet ink according to this embodiment contains: Blue No. 1 as a food dye; and water and ethanol as a solvent, in which, when only trehalose is contained as a fixing agent, the compounding ratio of the trehalose is in the range of 7.5 mass% or more and 20.0 mass% or less based on the total mass of the inkjet ink and, when trehalose and reduced isomaltulose are contained as the fixing agent, the compounding ratio of the trehalose is in the range of 2.5 mass% or more and 15.0 mass% or less based on the total mass of the inkjet ink and the compounding ratio of the reduced isomaltulose is 10.0 mass% or less based on the total mass of the inkjet ink.

The embodiment of the invention provides a control method of an air fryer, the air fryer and a computer readable storage medium, and relates to the technical field of cooking equipment. The method comprises the following steps: acquiring a set temperature and a set time length in response to a working instruction corresponding to a cooking function, starting timing, and acquiring a timing time length; obtaining the top temperature and the middle temperature of the cooking cavity in real time; according to the set temperature, the top temperature and the middle temperature, the upper heating piece and the middle heating piece are controlled to work, and the cooking cavity is heated; and when the timing duration reaches the set duration, the upper heating piece and the middle heating piece are turned off, so that the cooking temperature uniformity is improved, and meanwhile, the food coloring uniformity in the cooking process is improved.

A system (100) for the biochemical characterization and evaluation of the therapeutic potential of P. gilvus, comprising: a) an extract preparation unit (102) configured to prepare a methanolic extract from P. gilvus samples; b) a biochemical characterization unit (104) configured to analyze bioactive compounds in the extract; c) a biological activity evaluation unit (106) configured to evaluate the therapeutic properties of the extract; and d) a food colorant production unit (108) configured to process P. gilvus samples into food colorant independently of extract production.

The application provides a real-time monitoring and analysis method and system for color change of food. Wherein, the color change image of the food is captured, and a multi-modal food color dataset is constructed; based on the multi-modal food color dataset, dynamic correction processing is performed on the color change of the food, and a color change trend analysis report is obtained; according to the color change trend analysis report, the decay rate of the freshness of the food and the possible deterioration point are predicted, and a food shelf life evaluation result is generated; using the food shelf life evaluation result, an intelligent logistics scheduling system driven by a multi-objective optimization algorithm is used to automatically plan the whole process path of the food from production to consumption, dynamically adjust the storage conditions and the transportation time window, and generate a logistics scheme. The technical scheme provided by the application realizes more accurate dynamic correction processing of the color change of the food, thereby significantly improving the accuracy of the prediction of the freshness of the food.

The invention relates to the technical field of pharmaceutical preparations, and discloses a double-effect capsule-in-capsule capsule of seabuckthorn seed oil and fruit oil and a preparation method of the double-effect capsule-in-capsule capsule of the seabuckthorn seed oil and the fruit oil, the double-effect capsule-in-capsule capsule of the seabuckthorn seed oil and the fruit oil comprises an inner capsule and an outer capsule, the inner capsule contains the seabuckthorn seed oil, the outer capsule contains the seabuckthorn fruit oil, and the mass ratio of the seabuckthorn seed oil to the seabuckthorn fruit oil is 1: 9-3: 7; the sea buckthorn seed oil contains 50%-70% of linoleic acid, 10%-30% of linolenic acid and 5%-15% of oleic acid; the sea buckthorn fruit oil contains 20%-40% of palmitoleic acid, 20%-40% of oleic acid and 50-300 mg / kg of carotenoid; the inner capsule shell is composed of gelatin, glycerin and purified water; the outer capsule shell is composed of gelatin, glycerin, purified water and food coloring. Through an original bag-in-bag space partition structure, the sea buckthorn seed oil with relatively active chemical properties is encapsulated in the inner bag, and then the sea buckthorn fruit oil is placed in the outer bag, so that effective physical isolation of two kinds of functional grease is realized.

The invention provides mandarin candies with good flavor and a preparation method of the mandarin candies, and relates to the technical field of candy foods. The orange candies with good flavor comprise white granulated sugar, malt syrup, sorbitol, concentrated fruit juice, pectin, starch, sodium citrate, sodium hexametaphosphate, water, potassium sorbate, gelatin, lemon yellow and sunset yellow. By matching different types of sugar and thickening agents, the candy is richer in taste, sweet, fruity and colloidal, the requirement of consumers for multi-level taste is met, by adding edible pigments such as lemon yellow and sunset yellow, the candy is bright in color and durable and does not fade, the visual attraction of the product is improved, the whole technological process is simple and clear, and the production cost is low. Complex equipment and technology are not needed, the production cost is reduced, the adopted raw materials are common food additives and ingredients, the market supply is sufficient, the price is relatively stable, and the production cost is convenient to control.

The invention relates to the field of pigments, and discloses a dimethyldelphinidin-3-O-glucoside derivative as well as a preparation method and application thereof. The derivative has a chemical structure as shown in a formula 1. The derivative has the beneficial effects of food color generation, color stability and the like, the preparation method provides specific synthesis conditions of the bis-catechol-based pyran type dimethyldelphinidin-3-O-glucoside derivative, and the synthesis conditions comprise the concentration of the raw material dimethyldelphinidin-3-O-glucoside in a reaction system, the reaction temperature, the reaction pH value and the like. The maximum conversion rate of the raw material dimethyldelphinidin-3-O-glucoside can reach 5.41%, and the time for the reaction to reach the maximum conversion rate is shortened as far as possible (can be shortened to about 10 days). # imgabs0 #

The invention relates to the technical field of toys for children, in particular to space sand with good plasticity and a preparation method thereof.The space sand is prepared from, by weight, 5-10 parts of white oil, 20-25 parts of acetyl tributyl citrate, 10-15 parts of cellulose triacetate, 40-45 parts of polyvinyl acetate, 8-10 parts of stearic acid, 1-2 parts of polyethylene glycol, 400-500 parts of silicon dioxide and 5-8 parts of shaping filler. 3-5 parts of a preservative and 1-3 parts of an edible pigment. The space sand takes silicon dioxide as a main raw material, is wide in source and low in cost, does not contain harmful substances such as boron, has good plasticity by adding the prepared original rubber, can be easily subjected to mold compression molding, model carving, stretching molding and other operations, can be repeatedly molded, is easy to demold by white oil, improves the stability, enhances the hardness, and is suitable for large-scale production. Silicon dioxide has waterproof and moisture-proof effects, and the product is environment-friendly, sanitary, non-toxic, harmless, soft, smooth and fine in hand feeling, does not become dry and hard after being placed for 12 months in a normal use environment, and is long in service life.

A method is provided for manufacturing edible glitter flakes for use as cake décor. The method prescribes steps for combining egg white with up to three secondary liquid ingredients of food coloring, food flavoring, and sweetener to form a homogeneous liquid mixture, and the mixture is poured into a pan to a depth of a desired thickness of the flakes, without causing substantial denaturation of the egg white. The mixture is dried to solid form, then shredded using a scraping blade to shed the flakes having the desired thickness. Edible dust is mixed throughout and adhered to the flakes to form a homogenous solid mixture having a light-reflecting quality.