What is the reason for boiling canned food before consumption?
And written on the package of canned food to boil for 20 minutes before consumption. The reason for boiling canned food is that bacteria can produce food poisoning. Botulism is a type of neuromuscular infectious disease that leads to almost complete paralysis of the body.
Botulism is the most dangerous poison in the world! Did you know that one gram of poison in canned food is enough to kill ten million people? Clostridium botulinum is a bacterium that can enter canned foods if the hygiene principles of food canning are not adhered to and, if placed in favorable conditions, produce a botulism toxin. This is the same poison that one gram can kill ten million people. Clostridium botulinum bacteria cannot stand heat at all, and canned food must be boiled for 20 minutes to completely destroy this bacteria. This is why canned goods boil.
Below, people's frequently asked questions about some of the widely used canned goods such as canned tuna and canned beans are answered:
What is the maximum allowable period of time between boiling and eating canned fish?
It is recommended to eat it after boiling the canned food for 20 minutes. If for any reason you are not able to fully consume it, you can store it outside the refrigerator (between 5 and 65°C) for 2 hours. If you keep canned food in the refrigerator, it can be used between 24 and 48 hours.
Should canned beans be boiled?
Since there is potential for food poisoning to be produced in all canned goods, all canned goods should be boiled for 20 minutes before use.
What is the sign of blowing canned food before and after boiling?
If canned food swells after boiling, this is absolutely normal and there are no contraindications to the use of canned food. If the can swells before boiling, this indicates the presence of germs and cannot be used.
What is the shelf life of open tuna?
Canned fish, like other canned foods, can be stored outside the refrigerator (5 to 65 °C) for two hours and inside the refrigerator between 24 and 48 hours.
How do we know if tuna has spoiled?
To detect this problem, after paying attention to the expiration date of the tuna, boil it for twenty minutes, if it does not have a natural taste, color and smell, get rid of it, because it is definitely spoiled.
Cans of tuna must be completely healthy, without rust or leakage. If a can of tuna is leaking or rusting, it's almost certainly broken and don't use it at all. If canned fish is stored in a dark, dry place such as a cupboard, it will not spoil, but if it is stored in an environment such as a refrigerator, it may rust, deteriorate, and become unusable due to the moisture inside the refrigerator.
What are the symptoms of tuna poisoning?
Most cases of poisoning from the use of canned goods are caused by the presence of a botulism toxin. The first symptom of food poisoning is nasal congestion. Other symptoms include swallowing and vision problems. Food poisoning is a disabling and fatal disease. Apart from poisoning due to food poisoning, there are other cases of poisoning whose symptoms include diarrhoea, vomiting, bloody diarrhoea, and kidney, abdominal and body pain.
