What is "canned food"?
Feb 19,2022
Canned food refers to products made by processing, blending, canning, sealing, sterilizing, and cooling—or by aseptic canning—raw materials that meet specific requirements, ensuring they achieve commercial sterility and can be safely stored at room temperature for extended periods. The production technology of canned foods hinges on two key features: sealing and sterilization.
However, not all foods stored in sealed containers can be classified as canned goods—for example, bottled fermented bean curd, flavored sauces, honey, canned powdered milk, and even Coca-Cola are not considered canned foods.
Canned foods boast long shelf life, convenience, safety, hygiene, and nutritional benefits. Since their invention nearly 200 years ago, canned food technology has become highly refined, with consumer markets now spanning the globe. China's canning industry first emerged in the early days of the People's Republic of China, playing a vital role—from supporting the Korean War effort to driving export earnings and economic development during the reform and opening-up period. Today, China has become one of the world's leading producers and exporters of canned goods, and canned foods remain a key export-oriented processed food category for the country.
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