Boil it.
Tinning food involves sealing it in a can and then heating it to a high temperature to kill bacteria. The heat destroys the bacteria by denaturing proteins and damaging cell structures, preventing them from growing and spoiling the food. Additionally, the sealed can prevents new bacteria from entering and contaminating the food.
It creates an acidic environment which many bacteria cannot tolerate.
Fruit essence is not known to have antibacterial properties that can effectively kill bacteria. It is mainly used for flavoring and aroma in various food and beverage products. If you are looking to kill bacteria, it's recommended to use specific antibacterial agents or products designed for that purpose.
Refrigerating and freezing can slow down the growth of bacteria, but they will not necessarily kill all bacteria present in the food. It's important to follow proper food safety practices, such as cooking foods to the appropriate temperature, to ensure that harmful bacteria are destroyed.
Freezing doesn't necessarily kill bacteria. It stops them from multiplying, but they can revive when the food is thawed. And the toxins they produced before being frozen will still be there.
It will kill a lot of bacteria, but it does not sterilize the food.
Spicy food can have antimicrobial properties that may help inhibit the growth of some bacteria, but it is not a guaranteed method to kill all bacteria. The active compound in spicy food, capsaicin, has been shown to have some antibacterial effects in studies, but more research is needed to fully understand its effectiveness in killing bacteria.
The answer is Stomach
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Food is spoiled by living things such as bacteria and molds. They ruin your food when they eat it. The food inside a can is heated to kill the bacteria and molds. Then each can is sealed to keep any more from getting in.