The hottest intelligent packaging interprets the n

2022-08-09
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Intelligent packaging interprets the new concept of green food safety

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core tip: in recent years, with the gradual enhancement of people's awareness of environmental protection, packaging designers continue to integrate the green concept into product packaging. Choosing environmentally friendly materials and adopting safe processing methods to minimize the impact of the whole life cycle of packaging on the environment is the ultimate goal pursued by green packaging advocates. Based on this, many packaging designers are used to seeking the best green packaging solutions from the perspectives of reduction, environmental protection, recycling and reuse. At the same time, some designers also put forward the green design concept of intelligent packaging, that is, to integrate intelligent technology into the existing packaging, so that the original packaging can not only meet the basic functions, but also meet the requirements of green environmental protection, health and safety. At present, this innovative concept has received keen attention from the packaging market at home and abroad. In this article, the author will promote intelligence in the field of food processing

[China Packaging News] in recent years, with the gradual enhancement of people's awareness of environmental protection, packaging designers continue to integrate green ideas into product packaging. Choosing environmentally friendly materials and adopting safe processing methods to minimize the impact of the whole life cycle of packaging on the environment is the ultimate goal pursued by green packaging advocates. Based on this, many packaging designers are used to looking for the best green package from the perspective of reduction, environmental protection, recycling and reuse. In order to avoid wasting and improving the production efficiency in the printing process due to the friction coefficient of data. At the same time, some designers also put forward the green design concept of intelligent packaging, that is, to integrate intelligent technology into the existing packaging, so that the original packaging can not only meet the basic functions, but also meet the requirements of green environmental protection, health and safety. At present, this innovative concept has received keen attention from the packaging market at home and abroad. In this article, the author will briefly explain the four driving forces to promote the construction of intelligent green packaging system in the field of food processing, and is willing to share with the industry

One of the driving forces: new policies promote the application of technology

in 2011, U.S. President Barack Obama signed the FDA food safety Modernization Act (hereinafter referred to as FSMA), which was a major revision and reform of the current major food safety laws in the United States since 19 years ago, which affected the appearance and performance of materials, and caused a sensation at that time. The new act shifts the focus of federal regulators from food pollution to prevention, and redefines the methods of tracking and monitoring food throughout the supply chain to ensure food safety in the United States. After the implementation of FSMA, most food enterprises have implemented the whole process tracking of their products from origin to retail shelves, which means that various forms of intelligent packaging must be used to complete this mission

in addition to FSMA, the U.S. government has also added regulations on the application of smart packaging to other food related regulations. For example, the bioterrorism Act enacted in 2002 stipulates the requirements for product tracking. Blomer chocolate company in Chicago is the largest cocoa powder processor and chocolate raw material supplier in the United States, which signed a cooperation agreement between Northern American Aluminum Corporation and Danieli group in Italy in October 2015. Out of strict compliance with the bioterrorism act, the company has begun to use radio frequency identification technology (RFID) to track shipments, and will continue tracking to dealers. Due to the requirements of laws and regulations, some smaller food companies have begun to gradually apply this tracking technology

at the same time, the European Union is also working in this direction. For example, the European food safety agency has proposed a food safety legislation action strategy from farm to table, ensuring that the whole production, processing, circulation and other links from farm to table are supervised everywhere, and offenders will also pay a high price for their illegal acts. The strategy not only establishes an effective traceability system, but also stipulates that the ingredients that may cause allergy in the product components, such as nuts, milk, mustard, shellfish and fish, must be marked on the product packaging, and these marked information must be legal and understandable by consumers, rather than misleading consumers. For example, a food with high fat, sugar and salt content should not be claimed to be a good calcium supplement or have other nutritional values

driving force 2: provide effective safety assurance

in the past, food enterprises used an original information tracking method to produce flow sheets. Paper production flow sheets do not need to cost a lot, because most of them rely on manual filling. However, from the perspective of ensuring food safety, the way of manual filling also makes this simple information tracking method less reliable, so food enterprises are also changing the original information tracking method through the tracking service of intelligent packaging

in the future, we will see the application of intelligent packaging in the field of food production. They will save logistics costs, improve logistics efficiency, and replace human repeated work in the food and beverage industry. The logistics industry will also use intelligent packaging (RFID, hologram, intelligent ink and other means) to ensure the safe transportation of food to local distributors. Various development needs make it a trend to embed RFID or similar intelligent components in product packaging. Below, the author will introduce a traceability system based on QR code technology

when raw material suppliers provide raw materials to food enterprises, they enter the original production data of raw materials (such as manufacturing date, consumption period, origin, producer, etc.) into the QR code, print out the label with the QR code, and then paste the label on the packaging box and hand it to the food enterprises

when the raw materials of food enterprises are warehoused, the original production data of raw materials can be read from the QR code. Employees of food enterprises make formulas according to the production plan of the day, weigh and subcontract various raw materials according to the use requirements of each batch, and paste labels with two-dimensional codes on the subcontracted raw materials, which contain the name, weight, input sequence, number and other information of raw materials

in each inspection process after the raw materials are put into operation, use the data collector to enter the inspection data, and then upload the data in the data collector to the computer to generate the original production database, making it possible to track products and raw materials

this traceability system based on QR code technology gets rid of the previous information tracking method of using production flow sheet. Moreover, through the database, the raw material information of products can be easily published to consumers on the Internet, so as to realize information transparency and ensure food safety. In addition, the role of intelligent packaging in the anti-counterfeiting function should not be underestimated

the third driving force: consumers and retailers are more willing to accept the intelligent shopping mode

with various types of food retailers launching various shopping applications (such as Wal Mart shopping APP), there are more and more readers and applications among food consumers. The utilization rate of shopping applications is growing rapidly, and intelligent packaging can further promote the formation of this shopping mode, At the same time, better realize the interaction between food enterprises and consumers

however, smart packaging of retail goods is not just about interaction with consumers. Once smart information can be applied to food packaging, retailers will be happy to use it. For example, Wal Mart knows that smart food packaging can help them obtain benefits. They will require food enterprises to adopt corresponding smart packaging to attract consumers. At the same time, smart packaging also helps inventory management, which can be described as killing two birds with one stone

driving force 4: diversified functions provide more choices

with the deepening of the concept of intelligent packaging, the functions of intelligent packaging are also constantly enriched. For example, when consumers buy food and beverages in public, smart packaging is an important factor to promote their choice, as evidenced by Coors' success in smart labels. Coors' beer label is printed with lcr/llc's thermochromic ink. Once the optimal drinking temperature is 4.4 ~ 7.2 ℃, the white text and Rocky Mountain icon printed with thermochromic ink on the label will turn blue to remind consumers that they can drink

nowadays RFID tags can not only track and trace information, but also reflect the freshness of food by monitoring the concentration of oxygen and carbon dioxide and temperature sensors. At the same time, RFID technology can also work in quite extreme environmental conditions, so it can be used to monitor the freshness of cold chain food. Under the current legal environment, insurance companies' underwriting food export business encourages enterprises to use RFID temperature monitoring records to improve quality and reduce risks and losses

the demand of consumers also promotes the promotion and application of another kind of intelligent packaging, namely active packaging. In order to control the specific gas in the package, the active package uses the chemical substances that can absorb or release the specific gas. The preparation method of its functional body is simple and low cost, including the use of fungicides, deoxidizers, odor absorbers or releasers, light blockers, antifogging agents, anti adhesion agents, stabilizers and enzyme inhibitors. Compared with the past use of physical methods to block gas, water vapor and light, active packaging plays a positive and proactive role in extending the shelf life of food, and can provide better protection for the contents

therefore, as an intelligent technology, active packaging is being widely developed and applied, and has an increasing momentum, especially the effectiveness of active packaging in extending the shelf life of food is very significant. As Dr. theodorelabuza of the University of Minnesota said, in the near future, the change of active packaging will not be a general progress, but a revolutionary change. As a kind of intelligent packaging, active packaging is regarded as a revolutionary change in the packaging industry and the hope of the new century

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