tinplate

        Tin canned food, with the exception of a small number of light colored fruit and canned fruit juices, most of the internal painting of cans, in order to improve the corrosion characteristics of the container; due to the electrochemical effect of the metal, paint cans, canned food storage there will be a small amount ofthe dissolution of the iron, the form of divalent iron to seal canned food, can easily be absorbed by the body content of about 1 to 10 ppm. The iron content of the raw material itself is not much, fruit and vegetable products, cans product per can of 350 ml of beverage cans, the iron content of 5 ppm, and each tank can be 1.75mg iron, about the human daily intake of 18mg the tenth. The above fruit and vegetable juice beverage cans are rich in vitamin C, iron more easily absorbed, and therefore more far-reaching iron canned food and beverage may well be a good source of iron, tin cans of food to provide nutrition.
      Because these properties, tinplate cans, closed system, an addition to the heat outside, completely isolated from environmental factors, to avoid the color deterioration of food due to the light, oxygen, moisture, not for aroma through fades or environmental odor taste, through pollution, food storage stability better than other packaging materials, the preservation of vitamin C the highest rate of preservation of the nutrients the best.