1, the benefits of eating canned food. Nutrition is healthier: it retains the nutrition of fresh raw materials and does not contain harmful additives, so canned food is a safe, nutritious and healthy choice. Variety and choice: There are many kinds of canned food: meat, fish, vegetables and fruits are all available, and the taste is also very rich. Delicious and happy at the same time: opening cans is a delicious dish, which can save you a lot of work in the kitchen. Environmental protection and energy-saving green food: canned food packaging is degradable and has no pollution to the environment; Moreover, canned food does not need to be refrigerated at low temperature, and can be stored at room temperature for a long time, which can save a lot of electricity.
2. The disadvantages of eating canned food. Contains preservatives. In order to prolong the shelf life of canned food, preservatives should be added in the production process, which is harmful to liver and kidney if eaten frequently. Contains additives. In order to make canned food more delicious, additives such as spices, pigments and artificial flavoring agents will be added during processing, which will be harmful to human body if eaten frequently. Lose vitamins. After canning, about 10%~60% of vitamin C, 20%~80% of vitamin B, nearly 10% of vitamin P and 15%~20% of vitamin A are lost.