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Development of cold sterilization and fresh-keeping packaging technology promotes kinetic energy conversion in the packaging industry

December 24, 2019 16:13:49 Source: Food Machinery Network Editor: Lia Popularity: 9721


[ Science and Technology News of Food Machinery and Equipment Network ] Nowadays, consumers' requirements for food quality are gradually increasing. How to more effectively keep fresh-keeping packaging has become one of the research and development topics of the food industry. A variety of packaging technologies and equipment have appeared on the market for food packaging, including vacuum packaging machines and modified atmosphere packaging machines. A few days ago, Nanjing Agricultural University independently developed a new cold sterilization and fresh-keeping packaging technology, and it is expected that the technical results will come to fruition within the year.

Today, consumer demand for fresh food continues to grow. Data show that in 2017, the transaction scale of China's fresh market has exceeded one trillion. However, industry insiders said that the cold sterilization and fresh-keeping packaging technology on the fresh market today has a short fresh-keeping period, which is not safe and effective enough, and it is prone to secondary pollution problems, thereby restricting the development of the industry.
Today, many research institutions and companies in the packaging industry are committed to developing more effective fresh-keeping technologies. Nanjing Agricultural University has released a new cold sterilization and fresh-keeping packaging technology. This new technology uses fresh-keeping packaging and cold sterilization in a low-temperature plasma electric field to generate photoelectrons, ions, and free radicals in the medium surrounding food. Surface contact causes their cells to be destroyed, thereby achieving a bactericidal effect. This method can not only ensure the freshness quality, but also greatly improve the sterilization rate and shelf life.
According to researchers, compared with the currently widely used thermal sterilization technology, high-temperature electric field low-temperature plasma cold sterilization can not only achieve the same sterilization efficiency, but also prevent the nutritional content of the product from being damaged by heat, thereby ensuring product quality. In addition to low-temperature plasma cold sterilization equipment, the sterilization method also includes modified atmosphere fresh-keeping packaging equipment. This sterilization process has changed the traditional sterilization of fresh food in the packaging, reducing the possibility of secondary pollution during packaging.
Based on this technology, the low-temperature plasma cold sterilization and fresh-keeping packaging automatic production line designed by the research and development team is expected to be commissioned within the year, and the technical results will be successfully implemented. It is believed that the commissioning of such equipment will inject new vitality into the packaging equipment market, and companies in the market must also adhere to innovative research and development, use independent research and development technology to upgrade equipment, and promote the conversion of new and old kinetic energy in packaging equipment manufacturing.
In the past two years, China's packaging equipment industry has developed rapidly, with large development space and strong driving force. However, disorderly competition in the market has led to contradictions in the packaging machinery industry, resulting in a low level of the overall product and not many companies that can meet the requirements of the modern food industry. Enterprises in the industry urgently need to solve problems such as serious imitation, weak technological innovation ability, and slow progress in process technology. It cannot rely on low-end competition to promote corporate benefits, but rely on quality competition and technological competition to achieve benefit growth. Cope with changes in the industry situation.
With the rapid development of the domestic packaging machinery industry, low-end products at the bottom of the future will gradually be eliminated by the market. In the future, China's packaging equipment industry will also need to transform its product structure through technological innovation, develop multi-functional, high-efficiency, low-consumption food packaging equipment, enhance the continuous production of equipment, strong production adaptability, and unmanned operation to promote the industry. Agglomeration and professional reorganization, thereby enhancing the competitiveness of the enterprise and the overall development level of the industry.

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