Why are hamburgers, French fries and coke called junk food?

Except for sugar and phosphorus, it contains almost no other nutrients needed by the human body. At present, there is too much phosphorus in our food, which will hinder the absorption of calcium and promote the loss of calcium. If there is food in the diet, there is no need for extra sugar.

Fried potato chips

The raw material of potato chips is potatoes rich in potassium and B vitamins. Potatoes have a good foundation and will absorb a lot of oil during frying, resulting in serious loss of vitamins and unhealthy "acrylamide" substances. At the same time, after excessive seasoning, the salt content is high.

Hamburger beef patties

The main problems are more fat, less fiber and insufficient antioxidant components such as vitamin C.

Extended data:

Junk food refers to food that only provides some calories without other nutrients, or food that provides more calories than human needs and becomes redundant ingredients.

Junk food includes: fried food, pickled food, processed meat food (dried meat, floss, sausage, ham, etc. ), biscuit food (including all processed biscuits), soda and cola drinks, convenience food (mainly instant noodles and puffed food), canned food (including fish and fruit), preserved preserved preserved plum, frozen dessert food (.

Baidu encyclopedia-junk food