Is bottled water in a car that has been exposed to the sun still drinkable? Here are the test results
2024-08-11
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This article is transferred from [Hubei Release];
Many car owners
I'll keep some bottled drinking water in the car.
But
Summer is so hot
The water has been in the car for such a long time.
Will it go bad?
Will exposure to sunlight cause plasticizer migration?
Can I still drink the half-finished bottle of water?
……
To know the truth
Market supervision department
Recently, I selected the common
10 brands of bottled drinking water were used as experimental subjects
Unopened and half-drunk bottles of water
Conduct inspection
Bottles kept in the car for a long time
watermeetingIs it spoiled?
The main difference between placing unopened bottles of water in the trunk and on the front seat of the car is thatThe former is in an environment of high temperature and away from light, while the latter is in an environment of high temperature and direct sunlight.
After 10 consecutive days of sampling and testing, the results showed thatNo plasticizers were detected in the drinking water of various mines, and the microbiological results also met the national food safety standard limits.
Half a bottle of water left in the car
Can I still drink it?
Each of the seven healthy experimental participants chose a bottle of drinking water, drank about half of it in several times, and then put it in the front drain gutter of the car. Samples were taken at intervals of 12 hours, 24 hours, and 48 hours and sent to the laboratory for testing and comparison.
From the experimental results,Pseudomonas aeruginosa and nitrite were not detected, and plasticizers (DEHP, DBP) and coliform bacteria were all below the quantitative limit.
The only thing detected is the total colony count, which is caused by the presence of a large number of microorganisms in the human oral cavity.After 24 hours of storage, the total number of colonies in most samples showed a decreasing trend or even no detection. This may be because the nutrients in drinking water are not enough to sustain the growth of microorganisms, and the continuous high temperature environment makes it difficult for microorganisms in bottled water to survive.
Experiments show that
Bottled water in the car during summer
Generally no deterioration
However, Xiaobu still recommends that everyone
It is best to drink up newly opened bottled water at once
Avoid waste
Source: Hubei News, Hubei Market Supervision WeChat Official Account, Jiangsu Disease Control, Nanjing Market Supervision
