Harms of canned food
1, affecting liver enzyme concentrations.
The inside of cans contain bisphenol, a chemical that interferes with hormones, and many canned foods will be coated with bisphenol A paint on the inside of the cans as a barrier between the food and the inside to avoid rusting and perforating the tin cans. Eating canned foods every day may increase the concentration of BPA in the urine. Excessive BPA not only causes abnormal concentrations of liver enzymes, but may also lead to higher chances of developing cardiovascular disease and diabetes.
2, preservatives influence.
According to national standards, canned food with preservatives is strictly prohibited. Canned food without the need to add preservatives, can also be preserved for a long time. However, some companies will add preservatives to canned food in order to prolong the preservation period. Although the impact on human health is limited, too much consumption will accumulate in the body and bring various side effects.
3, may lead to edema.
Many canned goods to prevent decay, have added a lot of salt, people eat more will increase the burden on the kidneys, especially pregnant women, late pregnancy to eat too much canned food, may aggravate edema.
Advantages of canned food:
1, clean and hygienic, can prevent the food from being infected, storage time is longer, generally up to more than a year.
2, the processing of nutrients and flavor change is small, to a large extent, to maintain the original nutritional value of food and flavor.
3, easy to carry, transportation and storage, not easy to break.
4, most of the canned food can be eaten without reprocessing, more convenient.