Could These Foods Be Eaten After Overnight

Published: 16th August 2011
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Everyone could not resist the temptation of delicious foods. But the overnight foods not only lose the fresh taste, but only are harmful to health. How much do you know?

Could people eat overnight eggs? If the eggs are not completely cooked, it will breed bacteria after one night, which is harmful to body health. It will cause gastrointestinal discomfort and flatulence. If you cook it completely at the first time and preserve it in low temperature and sealed environment, it will be all right to store 48 hours. Recently, some people like to eat the half-cooked eggs, but that could not be eaten overnight.

Could people drink the overnight tea? Many people think the deeper color of overnight tea is the performance of deterioration, but it is wrong. The color change is the further oxidation of tea polyphenol, which has no harm to the human body. Some people think that the overnight tea will produce carcinogenic nitrosamines. It actually contains nitrosamines, but the content is very less. The daily foods we eat such as bread, vegetables, pickles and salted fish all contain large amount of nitrosamine. It is not horrible because the human body has the function of decomposing nitrosamine. So, there is no need to worry about the damage of drinking overnight tea.

Is the overnight boiled water drinkable? Boil the tap water for three to five minutes to minimize the content of harmful substances such as nitrite and chloride, and it is most suitable for people to drink. Experts find that the nitrite content in water is higher than that of the raw water. The nitrite content of repeated boiled water or the boiled water exceeding 24 hours is obviously increasing. After 24 hours, the nitrite content is 1.3 times of the just boiled water.

Is it safe to eat overnight leafy vegetables? Some green leafy vegetables contain more nitrates, so the long time’s placing after cooking will cause the decomposition of bacteria and nitrate will be returned to nitrite. So, if you buy various vegetables at the same time, you can eat stern vegetables such as cabbage and spinach firstly.

Sometimes people are lazy to cook another dish and just heat the dishes they cooked before, but it really has safe hazard. So, it is very necessary to pay attention to the food safety.


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