1. Some foods can be canned and bottled. The canning and bottling of food allows the food to be kept for a very long time.
2. These methods of preservation involve:
a) heating of the food to a very high temperature
- can kill bacteria and fungi
b) keeping foods in airtight cans or bottles
- to prevent the entry of air that may contain bacteria and fungi
3. Therefore, canned or bottled foods can be kept for a long time in months or years.
4. Examples of food that can be perserved by canning or bottling are shown below.
2. These methods of preservation involve:
a) heating of the food to a very high temperature
- can kill bacteria and fungi
b) keeping foods in airtight cans or bottles
- to prevent the entry of air that may contain bacteria and fungi
3. Therefore, canned or bottled foods can be kept for a long time in months or years.
4. Examples of food that can be perserved by canning or bottling are shown below.
- fish
- meat
- beans
- corn
- mushroom
- chicken
- pineapple
- condensed milk
- jam
- soft drink
- soy sauce
- syrup
- tomato sauce
- fruit juice
