17 results about "Food coating" patented technology

This invention relates to the field of food processing, and provides an edible tubular food coating, a method for manufacturing the edible tubular food coating, a composition for forming the edible tubular food coating, and uses of the edible tubular food coating, such as as a coating for sausages. This food coating is resistant to hot water and sodium salts, is stable at high temperatures, is easily stretched, and is easy to fill foods, especially meat, cheese, or fish products, and can also be used to fill vegetarian or vegan foods.

The invention relates to a composite hydrogel, a preparation method and application thereof, and belongs to the technical field of coating materials, and the preparation method comprises the following steps: S1, dissolving gamma-polyglutamic acid in distilled water to obtain a gamma-polyglutamic acid aqueous solution; s2, carboxymethyl chitosan is dissolved in distilled water, and a carboxymethyl chitosan aqueous solution is obtained; s3, mixing and homogenizing the gamma-polyglutamic acid aqueous solution and the gamma-polyglutamic acid aqueous solution to obtain a mixed solution; s4, polyethylene glycol diglycidyl ether is added into the mixed solution for a cross-linking reaction, and then the composite hydrogel is obtained.The composite hydrogel is of a three-dimensional network structure with high mechanical strength, controllable pore diameter and biodegradability, and the mechanical requirement of food coating materials can be met; and meanwhile, the controllable pore size distribution effectively balances the gas exchange and moisture barrier functions, and the defect of air permeability of a traditional plastic package is avoided.

This invention relates to the field of liquid-liquid separation and discloses an apparatus and method for aromatic hydrocarbon extraction. The apparatus includes a raw material tank, a solvent tank, a mixer, and an extraction tower. The raw material tank is connected to the raw material inlet of the extraction tower, and the solvent tank is connected to the solvent inlet of the extraction tower. The mixer includes a spray section and a mixing and extraction section. In the mixing and extraction section, the raw material and solvent are broken and diffused through multiple variable diameter sections and rotated by a single helical blade. Finally, the mixing is completed in a petal-shaped turbulent mixing chamber, which effectively improves the mixing and emulsification effect of the raw material and solvent, which is beneficial to improving the extraction efficiency. The apparatus has a compact structure and low energy consumption, and is particularly suitable for aromatic hydrocarbon extraction in the fields of chemical, food, coating, and cosmetic industries.

The invention provides an edible coating material capable of preventing dry loss and resisting oxidation under a low-temperature condition as well as a preparation method and application of the edible coating material, and belongs to the technical field of food coating. According to the edible coating material, the A-type gelatin and the trehalose dihydrate serve as coating matrixes, antioxidant active substance tea polyphenol nano-particles and sustainable release active ingredients are added, a heating reaction is conducted to obtain coating liquid, the coating liquid is sprayed to the surface of food to serve as a coating fresh-keeping material, coating of the food can be effectively achieved, and the edible coating material has the advantages of being environmentally friendly and free of toxic and side effects. A barrier is formed between the food and an air system, so that the storage stability of the food is guaranteed, the dry loss oxidation of the food can be slowed down at the temperature of-20 DEG C to-50 DEG C, the problems of oxidation weight loss, dry loss and the like in the freezing low-temperature storage process of the food are solved, and a new strategy is provided for fresh keeping of the frozen food.

The present invention describes a coating composition intended for coating food products, the coating composition comprising at least one saturated lipid component and an emulsifier, the emulsifier comprising oat oil or a derivative of oat oil, preferably wherein the food product is a vegetable or a fruit.

The invention relates to the technical field of food processing, and discloses an intelligent cephalopod food nutritional quality regulation and control method, which comprises the following steps: S1, data acquisition and deployment: respectively arranging sensor combinations in a frying area, a coating area, a conveying area and an environment monitoring point of a cephalopod food coating and frying production line; the method comprises the following steps: S1, generating a processing variable feature set and a quality feature set, S3, screening key data, S4, generating regulation and control parameters, and S5, performing real-time regulation and control. According to the method, multiple types of sensors are deployed in a key area of a production line, data such as oil temperature and humidity are collected according to the frequency of 50 ms / time, feature extraction, a random forest and a BP neural network coupling algorithm are combined, the nonlinear relation between processing variables and quality and the dynamic relation between the material progress and a failure event are analyzed, and the processing accuracy is improved. The problems that in traditional production, real-time information is difficult to obtain, and the variable influence rule is unknown are solved, and comprehensive data support and scientific basis are provided for accurate regulation and control.

The utility model provides a food coating production line, and relates to the technical field of food coating, the food coating production line comprises a coating production line, a first electric sliding rail is arranged above the coating production line, and a first electric sliding block is slidably mounted on the outer side of the first electric sliding rail. A raw material conveying pipeline is connected with a coating raw material storage tank, raw materials can be conveyed through a pump machine and enter the inner side of a coating raw material storage cavity, at the moment, a first electric sliding block can be controlled to slide above a first electric sliding rail, and after the first electric sliding block slides, a transmission gear above the first electric sliding block can be meshed with a rack; the transmission gear can drive the rotating shaft and the finger biscuit coating covering roller to rotate, finger biscuits in the finger biscuit coating covering roller can make uniform contact with raw materials, food rolls in the finger biscuit coating covering roller, and it is ensured that coatings evenly cover all the surfaces of the food.

The present invention discloses a fried food coating with controlled release performance, a preparation method and an application thereof, and belongs to the technical field of fried foods. The preparation of the fried food coating with controlled release performance of the present invention includes: compounding a coagulant polysaccharide with carboxymethyl chitosan to obtain a composite polysaccharide solution; uniformly mixing alcohol-soluble protein with polyphenol to obtain an alcohol-soluble protein-polyphenol blended solution; then dripping the alcohol-soluble protein-polyphenol blended solution into a genipin solution to perform a self-assembly reaction to obtain an alcohol-soluble protein-polyphenol complex solution; then dripping the alcohol-soluble protein-polyphenol complex solution into the complex polysaccharide solution to perform an amino cross-linking reaction, thereby obtaining a fried food coating with controlled release performance. The coating has excellent antioxidant properties at room temperature and can extend the shelf life of fried foods; during high-temperature frying, the rapid release of active ingredients can be achieved, which can better maintain the safety and quality of fried foods.

The utility model relates to the technical field of food packaging, and discloses degradable food coating paper which comprises an upper degradable thin film layer, a functional layer, a tear-resistant layer and a lower degradable thin film layer. The functional layer is composed of an upper body paper layer, a lower body paper layer and a polylactic acid fiber net, the upper body paper layer is arranged on the surface layer of the top of the lower body paper layer, the polylactic acid fiber net is arranged between the upper body paper layer and the lower body paper layer, and protrusions integrally formed with the upper body paper layer and the lower body paper layer are arranged on the surface layers of the inner sides of the upper body paper layer and the lower body paper layer at equal intervals. The top surface layer of the functional layer is provided with a degradable upper thin film layer, and the top surface layer of the degradable upper thin film layer is coated with an oil separation layer; the food coating paper has certain strength, is remarkable in anti-tearing effect, not prone to damage, high in heat stability, good in heat insulation effect, convenient to take when wrapping hotter food, capable of achieving biodegradation and high in environmental protection property.

The application belongs to the technical field of coated paper and specifically discloses a food degradable full-biological-based coated paper, a preparation method and application; the food degradable full-biological-based coated paper is composed of a coated paper special for coating and a biodegradable film; the preparation raw material of the biodegradable film comprises, in terms of weight parts, PLA: 60-70 parts, PHA: 30-40 parts, a compatibilizer: 1-3 parts, an antioxidant: 0.1-1 part, a lubricant: 0.2-0.5, and a chain extender: 0.1-0.5 part; wherein the PLA is polylactic acid, the molecular weight of the PLA is 4000-5000, the melting point of the PLA is 150-165 DEG C, and the melt flow index of the PLA is 25-35 g / 10 min; the PHA is a copolymer of hydroxyhexanoate and 3-hydroxybutyric acid ester, and the molecular weight of the PHA is 1000-8000. In the preparation of the coated paper, the compatibilizer PLA-g-GMA is added to the preparation raw material, the PLA and the PHA can be effectively combined through the compatibilizer, the prepared food degradable full-biological-based coated paper not only has a biodegradation capacity and is beneficial to environmental protection, but also has good toughness and is not easy to be damaged in use.

The invention belongs to the technical field of starch processing, and discloses irradiation modified starch which comprises the following raw materials in parts by mass: 65-80 parts of enzymolysis pretreated starch, 6-14 parts of a compound plasticizer, 3-6 parts of a compound crosslinking stabilizer, 2-5 parts of a compound antibacterial antioxidant, 0.3-1 part of a response aid, 0.3-1.5 parts of an emulsifier and 110-160 parts of deionized water, the enzymolysis pretreated starch is prepared by performing enzymolysis on natural starch through alpha-amylase, the compound plasticizer is obtained by compounding glycerol, sorbitol and polyglycerol fatty acid ester, the compound crosslinking stabilizer is obtained by compounding citric acid and trehalose, and the compound antibacterial antioxidant is obtained by compounding epsilon-polylysine and tea polyphenol; according to the present invention, the mechanical property of the coating film prepared from the modified starch prepared by using the method is substantially improved, the coating film has advantages of excellent barrier property, excellent broad-spectrum antibacterial property, oxidation resistance and early warning function, the dual effects of food fresh-keeping and deterioration detection are achieved, and the use effect is substantially improved.

The embodiment of the utility model provides a coating structure for a food coating machine and the food coating machine, and belongs to the technical field of food processing.The coating structure for the food coating machine comprises a material groove, coating forming plates arranged at the bottoms of material flowing surfaces on the two sides of the material groove and coating adjusting pieces arranged on the coating forming plates; wherein an arc-shaped surface bent downwards is formed in the position, far away from the side face of the material groove, of the coating adjusting piece, and the arc-shaped surface is arranged to be a cambered surface bent towards the position far away from the coating forming plate, so that a complete material waterfall curtain is formed when materials flowing through the arc-shaped surface under the action of gravity flow through the arc-shaped surface. The flow velocity of the material can be balanced, so that a complete material waterfall is formed, product coating white exposure is avoided, and then the coating effect of the final product is guaranteed.

This invention relates to the field of food coating materials technology, providing an environmentally friendly two-phase shellac coating agent and its application in promoting flavor release. The coating agent is an oil-in-water emulsion. The aqueous phase contains modified shellac salt, a glycerol-sorbitol complex, and an octenyl succinate-sodium starch-cellulose nanocrystal complex; the oil phase contains a hydrophobic shellac resin, medium-chain triglycerides, and an electrostatic complex of chitosan and carboxymethyl-β-cyclodextrin. An interfacial functional layer is constructed through hydrogen bonding and multiple interactions, achieving a smart response of high barrier properties during storage and rapid release upon wetting. This invention is entirely aqueous, contains no organic solvents, has an elongation at break of 235%, a flavor release rate of 82%, and also possesses antibacterial properties. It can be used for the preservation and flavor control of fruits, vegetables, nuts, and other foods.

The utility model discloses a meat food powder coating machine which comprises a mounting frame, a powder coating barrel, a powder coating machine body and a powder coating machine body. The driving mechanism is connected to the lower portion of the powder wrapping barrel, and the driving mechanism is used for driving the powder wrapping barrel to rotate; the conveying mechanism is arranged on one side of the mounting frame; and the material receiving mechanism is arranged at the discharging end of the conveying mechanism. According to the meat food powder wrapping machine, the multiple stirring rods and the flow guide plates are arranged in the powder wrapping barrel, the multiple stirring rods are connected into the powder wrapping barrel at equal intervals, and the stirring rods can scatter agglomerated raw materials, so that meat food and powder in the powder wrapping barrel are fully mixed, local accumulation of the powder in the powder wrapping process is avoided, and the powder wrapping uniformity is improved; the flow guide plate can reduce accumulation of powder in the powder wrapping barrel, so that the powder flows more smoothly, the powder wrapping efficiency is improved, and the stirring rod and the flow guide plate are arranged, so that the powder wrapping effect is enhanced, and the powder wrapping efficiency is improved.

This utility model relates to the technical field of food coating devices, solving the technical problem of the need for periodic sieving of flour. Specifically, it relates to a food seasoning coating device, comprising a support frame as a supporting base, a coating sieving component for coating food ingredients on the support frame, and a flour circulation component for recycling the sieved flour in conjunction with the coating sieving component. The coating sieving component includes a coating fixing frame fixedly connected to the support frame, with two symmetrical stabilizing grooves on both sides of the coating fixing frame. Due to the inclusion of the coating sieving component, this utility model enables sieving-type coating of food and filters out dough impurities generated during the process. Utilizing the power generated during the sieving coating process, it improves processing efficiency while reducing production costs.

The present invention discloses a multifunctional food coating machine, belonging to the technical field of food processing equipment. A liquid wrapping mechanism is arranged inside the outer shell, and a coating mechanism is arranged inside the outer shell. The outlet end of the liquid wrapping mechanism is communicated with the inlet end of the coating mechanism. An adjusting mechanism for adjusting the angle of the coating mechanism is arranged inside the outer shell, and an inlet bin for putting coating powder is arranged at the upper end of the outer shell. In the present invention, food flows into the liquid wrapping cylinder, the liquid wrapping enters the liquid wrapping cylinder through the liquid inlet pipe, the stirring blades evenly wrap the liquid wrapping on the food, and the spiral blades transport the food after being wrapped with the liquid through the first pipeline to the second outer cylinder for coating and drying. The coating powder flows into the fifth connecting ring through the third pipeline and enters the drying cylinder. The food enters the inside of the rotating cylinder from the outer cylinder, and the stirring blades on the third connecting shaft disperse the coating powder. The dispersed coating powder enters the rotating cylinder through the fourth through hole of the drying cylinder, and the coating powder is evenly wrapped on the food, so that the liquid wrapping and the coating powder can be evenly wrapped on the food in sequence.

Disclosed are compositions and methods for food packaging materials, more specifically biodegradable and edible food coatings including (1) a biological material extract such as a seaweed extract; (2) a vegetable oil or an algal oil, or a combination thereof; and (3) a plant extract / s such as a spice extract or an essential oil or emulsifier. Methods for making seaweed extract and improving the shelf life and marketability of perishable biological materials are also disclosed.