There are 1000 kinds of bacteria in human mouth. Through the contact between the mouth and the bottle mouth, the unfinished mineral water will start to breed bacteria after drinking for 3 hours in Kaifeng. The number of colonies cultured in each milliliter of mineral water can reach 10000 after 24 hours storage. This is, you see, this clean mineral water is no longer suitable for drinking. Drinking this mineral water often can cause abdominal pain, diarrhea and other symptoms, which is harmful to the body.
Extended data:
The shelf life of food refers to the shelf life of food under specified storage conditions. Once opened, the storage environment of food will change, instead of the original sealing system used to evaluate the shelf life. Therefore, the shelf life on the package is no longer the original shelf life, but will be shortened accordingly.
Because the internal factors affecting food quality include microbial proliferation, enzyme reaction, physical changes and chemical changes, while the external factors include temperature, humidity, oxygen, light and so on. After food is opened, its external factors change, affecting internal factors, which often accelerate the deterioration of food.
Different kinds of drinks are different, such as carbonated drinks such as cola and sprite, which can be stored for 3-5 days after being completely sealed; Microorganisms in fruit and vegetable drinks are not easy to reproduce in hawthorn juice and orange juice with high acidity. It is not difficult to put them in the refrigerator for 2-3 days after opening a bottle, and their nutritional value will be reduced. Peach juice and pear juice with low acidity will have a relatively short shelf life after opening a bottle. In order to ensure nutrition and safety, it is recommended to drink all drinks within 24 hours after opening the bottle.
Reference resource source:
People's Network-Health Tips: How to drink mineral water to be healthy
People's Network-How long can food be preserved after opening? Vegetable oil can be kept for two or three months, and drinks can be kept for one day.