Every now and then, canned food is left over. It is better not to store the leftovers in the can. Here is an overview of what you need to know.
Frankfurt – Whether lentil soup, ravioli or vegetables – tin cans not only come in a wide variety of variations, but first and foremost have a long shelf life. Therefore, canned food is particularly suitable, for example, to create emergency supplies or when things simply have to be done quickly.
And many people know it: The entire contents of a canned food are not always used up right away. In some cases, several hundred milliliters fit into a can. But what can be done? Is it enough to keep the rest of the food in the can and put it in the fridge without any worries? Here's what you need to know.
Storing food scraps in cans? – "Not a good idea"
"Storing leftovers in the tin can in the refrigerator is not a good idea," emphasized Susanne Moritz, nutrition expert at the Bavarian Consumer Center. There is a very specific reason for this.
Because: Many tin cans are made of tinned steel, informed the Bavarian State Office for Health and Food Safety. To prevent the tin – a heavy metal – from transferring to the food, the inside of the can is coated.
| Tin | |
|---|---|
| Category | Heavy metal |
| Appearance | silvery shiny |
| Use in everyday life | Cans, baking tins, lids, bottle caps, beverage cans |
Tin can come loose: Do not store leftovers in tin cans
However, the layer can be damaged when opening the can or handling cutlery, warned the consumer advice center. In addition, oxygen gets inside the can. This could cause the tin to dissolve and transfer to the food.
According to the consumer advice center, food should not be stored in an opened tin can. © Aleksei Isachenko/imago
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"Although the health risk posed by tin cans is rather low, this precautionary measure still makes sense," Moritz explained. In larger quantities, tin can be harmful to the kidneys. In some people, on the other hand, gastrointestinal complaints may occur, according to the Bavarian State Office.
Store leftover food properly: This is what the expert advises
Nutrition expert Susanne Moritz therefore recommends that leftover food from an opened tin can should be transferred to a sealable storage container made of glass or plastic. According to Utopia, the taste of the food could otherwise change with prolonged contact with the canned material. Another great advantage here is that the food lasts much longer in a sealed package. What many people don't know is that there are numerous myths about food – but which ones are really true? (kas)
