Antimicrobial Agents in Protective Packaging

Paper packaging for food that provides both odor control and antimicrobial properties. The packaging uses a coating layer applied to kraft paper. The coating contains extracts from cypress, lemon, burdock, green tea, ginkgo, and basil, along with complex inorganic materials, fragrance, binder, dispersant, and solvent. The coating provides simultaneous odor masking and antibacterial performance for food packaging.

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Functional reinforcing paper with insect repellent, antibacterial, deodorizing, moisture proofing, and freshness maintaining properties for improved packaging quality. The paper has a coating with a functional material like insect repellent, antibacterial agent, deodorant, freshness retainer, or desiccant. It can also be used as a packaging material itself with contact surfaces containing the functional material. The coating enhances strength, water resistance, and oil resistance.

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Biodegradable packaging made from paper impregnated with propolis extract to provide biocidal and antioxidant properties. The paper is treated with water or ethanol extracts of propolis, a natural bee product with antibacterial, antifungal, and antioxidant activity. The impregnated paper can prevent microbial growth on food products during storage. The propolis extracts also have antimold and antifungal effects. The paper packaging degrades faster than regular paper due to the nutrients in propolis enriching the soil. Consumers prefer the propolis paper due to its natural origin and health benefits.

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Biodegradable nanocomposite food packaging films that provide enhanced antimicrobial and oxidation inhibition properties to prevent spoilage and pathogen growth. The films are made by incorporating biosynthesized zirconium nanoparticles capped with a bioactive compound called Arachisan derived from peanut leaves. The ArZrNPs provide antimicrobial activity against food-borne pathogens like Salmonella and E. coli. They also scavenge free radicals to prevent oxidation. The nanoparticles are dispersed in biodegradable polymer films for sustainable packaging with extended shelf-life and reduced pathogen risk.

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Hybrid biocomposite film for food packaging that combines whey protein isolate, chitosan, and silica to improve properties like strength and antibacterial activity. The film consists of a whey protein isolate matrix with added chitosan and silica fillers. The chitosan provides antimicrobial properties while the silica increases strength. The composite films have higher tensile strength and elongation compared to the whey protein isolate film. The chitosan concentration of 1.5% and silica concentration of 5% provide optimal antibacterial properties against E. coli.

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Packaging material with antimicrobial and low adhesion properties to reduce contamination and disease transmission through contact with the packaging surface. The packaging has a coating that combines anti-microbial behavior to deactivate contaminating microbes with low adhesion properties to prevent buildup of contamination. The coating is applied over a substrate and can be printed onto the packaging. The low adhesion properties help prevent contamination from sticking to the surface, while the anti-microbial properties deactivate any remaining contamination.

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Biodegradable, antibacterial, and antioxidant food packaging film made from natural materials like sodium alginate, egg white, and black seed oil. The film is prepared by mixing the polymers and oil in water, forming a hydrogel, and then freeze-thaw cycling to improve uniformity. The film provides extended shelf life and nutrition preservation for perishable produce by preventing spoilage from bacteria and oxidation. The biodegradable packaging can be disposed of without processing.

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Preparing a grass-derived multifunctional nanomaterial film for food packaging that enhances mechanical properties, water resistance, UV protection, oxygen scavenging, and antimicrobial properties. The film is made by incorporating nanomaterials extracted from dried darbha grass, like carbon dots, cellulose nanofibers, and silver nanoparticles, into PVA films. The grass nanomaterials improve the film's performance compared to standard PVA films.

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Smart packaging for preventing spoilage of food products like aquaculture items and fruits/vegetables by releasing antioxidant and antimicrobial preservatives inside the package when temperature and pH exceed predefined ranges. The packaging has sensors to monitor pH and temperature inside, and controlled injectors to release preservatives when spoilage conditions are detected. This allows targeted preservative release rather than adding them at production.

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Active food packaging material that inhibits mold and bacteria growth on packaged foods. The packaging has a release layer containing antimicrobial agents dispersed in a biodegradable polymer that vaporizes into the food environment. This is coated with nanocellulose. The nanocellulose layer prevents the active agents from leaching out too quickly. It also has a structural layer made of biodegradable materials like PHA, cellulose, or starch. This provides mechanical strength for packaging. The nanocellulose coating allows controlled release of the antimicrobials into the headspace around the food. It also improves eco-sustainability compared to conventional plastic packaging.

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Polystyrene-based resin composition with antibacterial and antiviral properties that maintains transparency and can be used for food packaging containers. The composition contains a polystyrene resin and specific antibacterial and antiviral agents like fatty acid metal salts, metal complexes with heteroatom ligands, or metal complexes with fatty acid metal salts. The metals in these agents can be lithium, sodium, potassium, rubidium, cesium, boron, magnesium, aluminum, calcium, manganese, iron, cobalt, nickel, tin, antimony, copper, silver, zinc, molybdenum, vanadium, strontium, zirconium, barium, bismuth, lead, gold, platinum, or rare earth elements.

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A method to manufacture eco-friendly packaging paper using an alcohol-based, antibacterial ink composition printed on a resin film. The ink composition contains dispersant, aloe extract (fresh juice), and solvent like ethanol. Printing with this ink on one side of a resin film creates the antibacterial packaging paper. The alcohol-based ink replaces traditional solvent-based inks to eliminate VOCs. The aloe extract provides antibacterial properties. The dispersant improves ink quality. The solvent allows printing. The resin film provides the packaging paper base.

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Biodegradable packaging material made from agricultural waste like wheat straw for extending the shelf life of food products. The packaging is produced by combining nanocellulose from wheat straw with acetylated arabinoxylan (AXAc) from wheat straw. Silver nanoparticles are also incorporated for antimicrobial properties. The composite films made from these materials have improved moisture barrier and antimicrobial properties compared to the original polysaccharides. This provides a biodegradable and sustainable alternative to traditional plastic packaging that reduces waste and environmental impact.

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Biodegradable food packaging films made from gelatin with added copper and zinc oxide nanoparticles that have enhanced physical stability and antimicrobial properties compared to plain gelatin films. The nanoparticles crosslink with the gelatin to improve moisture resistance, strength, and durability for food packaging applications. The copper and zinc ions released from the nanoparticles also have antibacterial effects to prevent microbial contamination on food surfaces.

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Food packaging with integrated antimicrobial properties to reduce spoilage and pathogen growth. The packaging contains an absorbent material mixed with antimicrobial agents like alkylpyridinium salts, acyl arginine esters, and aco-alkylenediamine tetraacetic acid salts. The antimicrobial agents inhibit bacteria, molds, and yeasts around the food. The absorbent material absorbs food juices to prevent bacterial growth. The antimicrobials are approved food additives for safety. The packaging can be a tray, pouch, or article with the antimicrobial composition between layers or fibers.

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Biodegradable food packaging material made from natural components like plant extracts, graphene oxide, and calcium carbonate. The packaging has layers of paper, adhesive, and a coating. The base layer is made from a copolymer resin, polyethyleneimine, calcium carbonate, tourmaline powder, and plant extract. The adhesive layer contains PLA, lactic acid oligomer, PBAT, tetraethylene glycol diacrylate, sisal fiber, mineral oil, and plant oil. The coating layer is made from polyurethane acrylate resin, PLA, graphene oxide, plant extract, and plant oil. The packaging provides improved biodegradability, reduced oxygen permeability, and antibacterial function compared to conventional plastic packaging.

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A monomaterial packaging film for foods that has both antibacterial and antifungal properties even when the contents contain relatively little moisture. The film is a multilayer structure with a sealing layer containing a water-soluble antibacterial agent. The film is made primarily of propylene resin (75% by mass) with less than 25% of foreign components. This allows the film to be recycled as a monomaterial. The film has low water vapor permeability (9.0 g/m2/24hrs) to prevent moisture migration. The antibacterial agent in the sealing layer prevents contamination of the food without migrating to other layers. The film structure prevents the antibacterial agent from escaping into the food.

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Making antibacterial thin films for food packaging using chitosan, organoclay, silver nanoparticles, and zinc oxide nanoparticles. The thin films are prepared by mixing these components in a solvent casting method. The chitosan provides the matrix, organoclay improves mechanical properties, silver nanoparticles provide antimicrobial activity, and zinc oxide nanoparticles further enhance antimicrobial properties. The thin films have reduced solubility, low water vapor transmission, and antibacterial activity against E. coli and S. aureus bacteria.

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Biodegradable food packaging materials made from biopolymers like PLA, nanobacterial cellulose (NBC), and PEG400. The materials can be used for packaging fruits, vegetables, shoots, seeds, etc. The NBC is produced from a specific strain of Bacillus licheniformis. The PLA-NBC composite materials have improved mechanical properties like tensile strength compared to PLA alone. The NBC provides stiffness and PEG400 adds elasticity. The materials are also antimicrobial. The NBC can be coated onto paper or formed into membranes. The PLA-neem extract coating is another biodegradable option.

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Biodegradable food packaging materials made from biodegradable nanocomposites based on polylactic acid (PLA) combined with nano bacterial cellulose (NBC) and optionally polyethylene glycol 400 (PEG400). The nanocomposites can be applied as coatings on secondary surfaces like paper or formed into membranes. The nanocomposites provide improved mechanical strength and barrier properties compared to PLA alone, making them suitable for food packaging. The nanocomposites can also be antibacterial due to the NBC content. The PLA-NBC composites can be prepared by mixing the components with stirring and spreading to dry.

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Packaging container with antibacterial and antiseptic effects that prevents harmful microorganisms like bacteria and mold from growing inside. The container has an inner layer with inorganic antibacterial particles, an adhesive layer with natural antibacterial agents, and an outer layer. The adhesive layer contains natural antibacterials supported on porous carriers. This allows the antibacterials to be expressed at room temperature without destruction. The inner layer contains inorganic antibacterials and forms pores during stretching. This enhances antibacterial properties by providing multiple layers with different antibacterials and pore structure.

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Pouch for packaging liquid food with an internal support structure to prevent contamination and extend shelf life. The pouch has a bottom panel for containing the liquid, and a top envelope sheet that attaches to the bottom panel. The top envelope sheet forms a lid over the liquid. Inside the pouch, there is a hidden channel connecting the top lid opening to the bottom. This channel allows disinfectant gas to enter the pouch through the sealed lid opening and reach the liquid inside. It also supports the liquid to prevent settling and spoilage. The internal channel and lid sealing prevent contamination while allowing disinfectant access.

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A method for producing a coating solution containing modified chitosan and PVA with improved water resistance, durability, and antibacterial properties, and a method for producing a packaging material coated with this modified chitosan-PVA coating. The method involves chemically modifying chitosan to create a modified chitosan solution, then mixing it with PVA solution at a weight ratio of 7:3 to 5:5 to prepare the coating composition. This modified chitosan-PVA coating provides enhanced water resistance, durability, and antibacterial properties compared to PVA alone.

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Packaging container made from seaweed extract and biomass powder to replace traditional petroleum-based plastics. The seaweed is extracted using ethanol, filtered, and the extract is used to prepare a coating. Biomass powder is made from the seaweed byproducts. This powder is mixed with a polymer to create the packaging. The coating is applied to the inside of the molded container. The seaweed extract provides antibacterial and antifungal properties. The biomass powder adds strength. The coating prevents sticking.

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Food packaging composition and containers that use a coordination complex of titanium dioxide (TiO2) and a porphyrin dye to provide broad-spectrum antimicrobial activity against spoilage and pathogenic bacteria. The TiO2-dye complex can be added to thermoplastic polymers to make the packaging material. The composition and containers can be used to preserve food products by exposing them to visible light, which activates the coordination complex to generate reactive oxygen species that kill bacteria. The packaging is translucent to visible light to enable activation.

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Active biodegradable edible coating for sheep meat to improve safety, quality, and shelf life. The coating is made from mucilage of the cheese plant seed and postbiotic compounds derived from the yeast Saccharomyces boulardi. The coating provides antimicrobial, antioxidant, and desirable sensory properties to the meat during storage. It delays spoilage and microbial growth, reduces oxidation, and maintains pH and moisture levels. The coating is prepared by extracting the postbiotics under optimal conditions and enriching them into the mucilage coating.

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Extending the shelf life of fruits and vegetables during marketing by using salicylic acid (SA)-added packaging. The SA, a natural plant compound, has antimicrobial properties against bacteria and fungi that cause spoilage. SA solutions are applied to packaging papers for vegetables and fruits to prevent pathogen growth and extend shelf life. SA also blocks ethylene gas production by fruits and vegetables, which slows ripening and decay.

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Biodegradable packaging made from chitosan, starch, and titanium dioxide nanoparticles for food preservation. The packaging is made by mixing chitosan, starch, and titanium dioxide in a solution, then drying it to form the film. The titanium dioxide provides antimicrobial and antioxidant properties to prevent spoilage and degradation. The biodegradable packaging replaces synthetic plastics and aims to address environmental concerns of non-biodegradable packaging.

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Biodegradable packaging for honey made from a mixture of sodium alginate and beeswax that provides longer shelf life and antifungal protection compared to traditional packaging. The alginate-beeswax films are used to package honey from bees. The films have improved barrier properties and antifungal activity due to the beeswax component. The alginate-beeswax films prevent moisture loss and contamination better than alginate films alone, preserving the honey quality for longer.

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Wet wipe packages containing a chemical solution with glycerin fatty acid monoester that has antibacterial properties. The glycerin fatty acid monoester is a monoester of glycerin and a fatty acid with 8-18 carbon atoms. The chemical solution has a predetermined pH to make the glycerin fatty acid monoester less prone to decomposition. This allows the wipes to contain and transfer the glycerin fatty acid monoester to surfaces throughout their use, providing sustained antibacterial action.

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A method to manufacture eco-friendly food packaging with improved barrier properties and printability using infrared heat treatment. The method involves coating a food packaging substrate with an ink composition containing resin, pigment, solvent, and additives to form a printed layer. Then, infrared radiation is applied to the printed layer followed by cooling. This treatment enhances the barrier properties of the printed layer without deforming the packaging. The ink composition can also contain antibacterial agents and far-infrared radiating materials for added benefits.

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Water bottle assembly with a copper-lined inner wall and stainless steel outer wall to inhibit bacterial growth and keep water cold. The double-walled construction with an insulator between the walls limits heat transfer. The copper inner wall provides antimicrobial properties while the stainless steel outer wall prevents rust. The copper ions from the inner wall also infuse into the water.

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Packaging material with improved anti-microbial and antiviral properties for reducing the risk of disease transmission through contact with the packaging surface. The packaging has a coating that combines anti-microbial properties with low adhesion properties to prevent microbial growth and inhibit infection. The low adhesion properties make it difficult for contaminants to stick to the surface, while the anti-microbial properties deactivate any remaining adhered microbes. The coating can be applied to a substrate like injection molded or extruded packaging using techniques like rotogravure printing.

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Food packaging film with high antibacterial properties and good adhesion for wrapping containers. The film has a thin layer on one surface containing a specific amount of an inorganic antibacterial agent. The agent is an inorganic compound with metal ions supported on an inorganic carrier. The metal species are silver, copper, or zinc. The layer thickness is 0.1-10 microns. This provides antibacterial properties without compromising adhesion. The film can have a thickness of 30 microns or less.

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Smart hydra bottle with an integrated cooling system that uses a peltier thermoelectric chip to rapidly cool water inside the bottle without the need for ice or refrigeration. The peltier chip is incorporated into the bottle lid. It provides fast cooling and keeps water cool for extended periods. The copper rod inside the bottle also has antimicrobial properties to prevent bacteria growth. The smart hydra bottle can be charged using a USB cable. This enables convenient and portable cooling of water, especially in situations where traditional cooling methods are not feasible.

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Eco-friendly food packaging material that is biodegradable, flexible, and antibacterial. The material is made by blending PBAT (a biodegradable petroleum-based plastic), a yellow-white extract, and an antifoaming agent. The yellow-white extract provides antibacterial properties and the antifoaming agent prevents foaming during processing. The blended solution is molded into packaging. The PBAT biodegrades quickly, the extract kills bacteria, and the antifoaming agent prevents bubbles.

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Easy-to-print packaging sheet made by flash spinning process that provides better printing, burst resistance, bending, and light-shielding properties compared to traditional sheets. The sheet contains carbon nanoflower wrapping materials with copper chloride and magnesium chloride. The nanoflowers improve printing by filling gaps in the fibrous structure. The copper chloride provides burst resistance and the magnesium chloride provides antimicrobial properties. Flash spinning at temperatures around 200°C forms the sheet. The high temperatures prevent agglomeration of the nanoflowers. The sheet has properties like drape coefficient of 78-92%, burst index of 8-15 kPa·m2/g, and light-shielding rate of 85-95%.

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Packaging material with degassing and antibacterial properties for food preservation. The packaging material is made by mixing two master batches: one with copper nanoparticles deposited on a resin, and the other with diatomaceous earth. This functional film is then attached to a base film to create the packaging. The copper nanoparticles absorb oxygen and prevent spoilage, while the diatomaceous earth has antibacterial properties. This provides a cost-effective, integrated solution for extended food shelf life compared to separate oxygen absorbers and antibacterial coatings.

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A sterilizing tampon storage bag with ultraviolet light sterilization to prevent bacterial growth on tampons. The bag has separate compartments for tampons and pads. An ultraviolet lamp inside the tampon compartment sterilizes the tampons when they are inserted. A sensor detects when a tampon is removed and the lamp turns off. A display shows the expiry of the tampons and pads. The bag also reflects UV light to increase lamp life.

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Paper wrapping for food packaging that provides both odor control and antimicrobial properties. The packaging has a base layer of kraft paper, with a fragrance-antibacterial coating layer applied on one side. The coating contains extracts from cypress, lemon, burdock, green tea, ginkgo, and basil, along with complex inorganic materials, a binder, a silicone dispersant, and an organic solvent. The fragrance extracts provide odor control, while the inorganic materials have antimicrobial properties.

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Vacuum packaging film with antibacterial properties for extending shelf life of packaged products. The film has an antibacterial layer sandwiched between the vacuum packaging material and an inner film. The antibacterial layer contains copper compounds that prevent bacterial growth. This prevents bacterial contamination during long-term vacuum storage. The antibacterial film is made of low-density polyethylene. The vacuum packaging material is nylon or polyethylene. The films are bonded together. An apparatus for manufacturing this film rolls the antibacterial film, extrudes the vacuum packaging material, cools and presses the layers together to form the vacuum packaging film.

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Smart food packaging that releases antioxidant and antimicrobial preservatives inside the package when temperature and pH exceed predefined ranges to prevent spoilage. The packaging contains sensors to monitor temperature and pH inside the package. When thresholds are exceeded, injectors release preservatives to extend shelf life and prevent spoilage. This allows targeted and timely preservative use instead of adding them at the production stage.

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Biodegradable packaging film made from natural ingredients like agarose, neem gum, hydroxyapatite, and polysorbate 80. The film is prepared by green synthesis using microwave radiation. The natural components form a flexible, transparent, and biodegradable film suitable for food packaging and bags. The biodegradable film has advantages like breathability, flexibility, biocompatibility, and degradability compared to conventional plastic packaging. The silver nanoparticle-infused film also provides antibacterial properties.

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Antibacterial packaging container with enhanced antibacterial properties. The container has an inner layer containing inorganic antibacterial particles, an adhesive layer with natural antibacterial agents, and an outer layer. The adhesive layer prevents destruction of antibacterial agents during processing by using a low-temperature adhesive. The inner layer has pores for gas passage. The container provides multi-layer antibacterial protection without using harsh preservatives.

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Wet wipe packaging using natural antimicrobials for preservation without synthetic chemicals. The packaging contains antibacterial wet wipes made by impregnating the substrate with a solution containing lactic acid bacteria fermentation products. The bacteriostatic solution also has chelating agents to bind metal ions and humectants to prevent drying. The wet wipes are sealed in a package with an opening. The natural antimicrobials provide preservation without synthetic preservatives.

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Packages for sterilizing products like medical devices, food, etc., using self-sterilizing components that generate chlorine dioxide (ClO2) gas when exposed to UV light. The packages contain chlorite ions and water sealed in an atmosphere with 5% or more carbon dioxide. This enables efficient ClO2 generation for sterilization when UV-exposed. The packages avoid using catalysts or acids. The ClO2 is contained inside for sufficient time to sterilize. The CO2 improves ClO2 yield.

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Eco-friendly food packaging container that eliminates the need for absorbent pads by having a groove on the bottom to collect moisture. The container also has antibacterial and antifungal components to improve food storage. The bottom has a protruding step with a circular groove. The grooves are arranged in a Y shape with opposite directions on odd/even rows. The grooves taper at the top. This allows moisture to drain into the grooves and away from the food. The container is made by injection molding a transparent resin.

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Food packaging film with antibacterial properties, improved durability, and better adhesion to PP containers. The film contains a specific blend of linear low density polyethylene (LLDPE), low density polyethylene (LDPE), polypropylene (PP), and ethylene-vinyl acetate (EVA). It's made by heating and mixing the polymer chips at 150-160°C, extruding into a film, and cooling. The blend provides antibacterial properties, impact resistance, oxygen barrier, adhesion to PP, and thermal bonding strength.

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Pouch for storing and ingesting protein supplements that allows easy storage of a certain amount, easy mixing with water, and prevents supplement deterioration. The pouch has a unique shape with an arched bottom, detachable spout, and cap. The arched bottom allows more space to hold protein powder. The spout and cap make it easier to open and close the pouch. The pouch material is a tri-layer film with an inner layer containing a natural antibacterial agent like copper nanoparticles to prevent supplement spoilage.

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Method to make biodegradable bioplastic packaging for milk using agricultural waste like rice bran, wheat bran, and husk along with glycerol, sodium alginate, and gelatin. The bioplastic is 100% biodegradable and uses gelatin for its nontoxic and antimicrobial properties. Sodium alginate acts as a thickening agent and binder, and glycerol improves binding. The bioplastic can be used to pack milk and includes a micro-level sensor to detect microbial load in the milk.

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