If you think you can tell by the smell whether milk is spoiled or not, you are wrong! There are more important points to look at
November 10, 2024
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Although milk generally stinks when it spoils, this is not always the case and you should test it. There are also other methods. Consume safely We explain some
Although milk generally stinks when it spoils, this is not always the case and you should test it. There are also other methods.
Consume safely We explain some methods you can sign up for:
Why does spoiled milk smell bad?
Our priority, of course, is smelling, and when it goes bad, that sharp smell hits our nose. Lactose is broken down by bacteria acidic environment is created and a sour smell is created, just like with other fermented products such as yogurt and cheese.
The main causes of bad odor Lactobacillus and Streptococcus bacteria As the strain increases, the protein structures in the milk deteriorate, the pH decreases, and the odor becomes more distinct.
In short, when you smell milk, you get that familiar feeling. If you smell souryour milk is probably spoiled, but there is another interesting aspect.
Is smell always a reliable indicator?
Relying on the smell alone may not always be enough to understand whether the milk has spoiled or not. Some bacteria, The smell cannot be noticed immediately It can spoil the milk.
Bacteria such as Listeria monocytogenes It can cause food poisoning without changing the appearance or smell of the milk. Therefore, even if the milk is not spoiled, it may contain bacteria that can threaten your health.
The shelf life of milk depends on the amount of fat and lactose. Whole milk after the expiration date only 5 days While lactose-free or fat-free milk can be kept for up to 10 days after the expiry date.
If the expiration date of the milk you purchased has passed more than a week, but it does not smell or look normal, do not take any chances and throw the milk away.
Other ways to determine if milk has gone bad
There are methods other than smelling to determine the freshness of milk. First of all the color or consistency of milk If there is a change, it indicates that it is broken.
Milk, which is normally white and liquid, becomes liquid when it spoils. becomes yellowish and starts to clump starts.
How should you store milk?
Another detail you need to know is the cooling conditions. Milk that remains at room temperature for a long time spoils more quickly. That’s why your milk at the back of the refrigerator you can keep it. When they are on the refrigerator door, they are exposed to temperature fluctuations due to constant opening and closing, which can shorten their lifespan.
In short: take the safe route, instead of always making decisions based on the smell. other symptoms It is also useful to take this into account.
Sources: WikiHow, Tasting Table, National Geographic
Ashley Johnson is a science writer for “Div Bracket”. With a background in the natural sciences and a passion for exploring the mysteries of the universe, she provides in-depth coverage of the latest scientific developments.