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What problems should be paid attention to in food packaging from the perspective of food safety

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nowadays, with the improvement of people’s living standards, people pay more and more attention to food safety and hygiene, and food packaging, as an important means to ensure food safety and hygiene, has been paid more and more attention

therefore, from the perspective of food safety, food packaging safety should pay attention to the following problems

I. understand the characteristics of food and the required protection conditions

 & nbsp;& nbsp;& nbsp;& nbsp; We should study the sensitive factors affecting the main components in food, especially the nutritional components such as fat, protein and vitamins, including light, oxygen, temperature, microorganism, physics, mechanics and so on. Only by mastering the biological, chemical and physical characteristics and sensitive factors of the packaged food and determining the required protection conditions, can we determine what kind of packaging materials and packaging technology are selected for packaging operation, so as to achieve its protection function and appropriately extend its storage life

II. Study and master the packaging performance, scope of application and conditions of packaging materials

 & nbsp;& nbsp;& nbsp;& nbsp; There are many kinds of packaging materials with different properties. Therefore, only by understanding the packaging performance of various packaging materials and containers, can we choose packaging materials that can not only protect the food flavor and quality, but also match its commodity value, and make the comprehensive packaging become a reasonable packaging material according to the protection requirements of packaged food

III. master relevant packaging technology and methods

 & nbsp;& nbsp;& nbsp;& nbsp; For a given food, in addition to selecting appropriate packaging and containers, the most appropriate packaging technology and methods should also be adopted. The same kind of food can often adopt different packaging techniques to achieve the same or similar packaging requirements and effects. For example, for foods that are easy to oxidize, vacuum or inflatable packaging can be used, or sealed deoxidizer can be used for packaging. But sometimes in order to achieve the set requirements and effects, specific packaging technology must be adopted. The selection of packaging technology is closely related to the selection of packaging materials, as well as the market positioning of packaged food

IV. study and understand the market positioning and circulation regional conditions of commodities

 & nbsp;& nbsp;& nbsp;& nbsp; The market positioning, transportation mode, climate and geographical conditions of the circulation area are the factors that must be considered in the design of food packaging. The packaging and decoration requirements of goods sold domestically and exported to different countries are different, and the protective requirements of packaging are also different for different modes of transportation. For food packaging, the change of climate conditions in the commodity circulation area is very important, because the temperature has a great impact on the chemical changes of food internal components and the barrier of food microorganisms and their packaging materials& nbsp;

v. study and understand the overall packaging structure and packaging materials

 & nbsp;& nbsp;& nbsp; For the impact on food, we should understand the migration of additives and other components in packaging materials to food, and the impact of the penetration and adsorption of some components in food into packaging containers on food quality in the circulation process

VI. carry out reasonable packaging structure design and decoration design

 & nbsp;& nbsp;& nbsp;& nbsp; According to the protective requirements required by food, the packaging cost, packaging quantity and other conditions are expected to carry out reasonable packaging design, including the design of container shape, compressive strength, structural form, size and sealing mode. The packaging structure should be reasonable, save materials, save transportation space and conform to the trend of the times, so as to avoid excessive packaging and deceptive packaging

 & nbsp;& nbsp;& nbsp;& nbsp; The packaging and decoration design should adapt to the interior products, so that the trademark is eye-catching, the text is concise, the pattern color is bright, full of visual impact, and can meet the preferences of the targeted consumer groups. Export commodities should pay attention to the national habits of consumer countries and avoid taboos of consumer groups. Only by giving full play to the characteristics of food packaging, respecting the objective law and grasping the market trend, can food packaging play a role of adding flowers to the scene in the process of food sales

VII. Master the packaging test method

 & nbsp;& nbsp;& nbsp; Qualified goods must have qualified packaging. In addition to testing the product itself, the packaging must also be tested before entering the circulation field. There are many package inspection items, but not every package should be comprehensively inspected. What tests should be carried out on the specific packaging should depend on the characteristics and sensitive factors of the inner food, the types of packaging materials and the requirements of national standards and regulations. For example, for empty cans of canned food, it is often necessary to measure the dissolution of the coating in the food, the oxygen permeability of the packaging material should be measured for deoxidation packaging, and the water vapor permeability of the packaging material should be measured for moisture-proof packaging

VIII. Master packaging standards and regulations

 & nbsp;& nbsp;& nbsp;& nbsp; The packaging operation shall strictly comply with national standards and regulations, and the exported products shall also comply with the relevant standards and regulations of the importing country. Only in this way can we ensure the smooth progress of raw material supply, packaging operation, commodity circulation and international trade. With the development of market economy and international trade, the standardization of packaging is becoming more and more important. Only in this way can our goods go abroad and participate in the competition in the international market

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