Water is an inseparable substance for the body every day. Even if you don’t eat for a day, you can’t have less water! Probably because water is so important, there are more right and wrong! What is the shelf life of boiled water?
In real life, almost a lot of water has been shot, such as overnight tea, overnight juice, overnight boiled water, etc. The first two are rumored to be because of overnight reasons, which will contain a large amount of nitrite, so there will be nitrous acid Salt poisoning and carcinogenicity.
Especially the juice after overnight, when the storage is not good, because bacteria prefer high-sugar foods, it is easy to become a medium for growing bacteria, whether it is bottled or freshly squeezed juice, or milk tea purchased outside, after unpacking , drink it as soon as possible to avoid bacterial growth, cause food poisoning, induce acute gastroenteritis and so on.
But at the same time, the bacteria mentioned here have nothing to do with nitrite. As a food additive allowed by the state, nitrite has the functions of coloring, enhancing the flavor of meat, antiseptic, and inhibiting the growth of some bacteria.
According to an assessment of nitrite by the World Health Organization, its International Agency for Cancer believes that some studies have proved that nitrite in food may cause cancer in humans, but here everyone should pay attention to the limited evidence, And there’s not yet enough evidence that nitrates can cause cancer in people.
The final conclusion is that once the nitrates or nitrites ingested from food are converted into nitroso compounds, that is, nitrosamines, they may cause cancer in the body, and they are classified as Class 2A carcinogens.
How long does boiled water stay drinkable?
What’s more, the overnight tea has been proved by experiments that it is far less than the healthy standard, so it can be drunk when it is well stored. However, for those who pursue the taste, the taste of overnight tea is far inferior to that of freshly brewed tea, and it is completely possible to brew new tea after drinking the next day.
For overnight boiled water, some people also say that it is because of nitrites in terms of being toxic or carcinogenic, but this has been proved above. Moreover, in the experiment, it was found that even the boiled water that was placed, or the water that was repeatedly boiled, was far lower than the total nitrite content of the national drinking water standard.
Therefore, you can rest assured that you can drink water overnight. If you have poor physical fitness and low acceptance ability, you can completely boil the boiled water overnight and drink it after boiling. This kind of secondary heating can basically kill. Microorganisms in water.
There is also a shelf life that many people care about. As long as everyone stores them properly (covering the lid) and the container is in a clean state, there is no shelf life. After boiling, it is safe to drink and harmless to the body.
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