Question

why we need to preserve food​

Answer 1

Answer:

food preservation is essential because it extends the time the length of time during which food is nutritionally viable sofe to eat

Answer 2

Answer:

we need to preserve food because many harmful microbes react with food and spoils it. it leads to rancity. therefore to save it against spoilage, we preserve it.

different methods for this are

1. pasteurization
2. addition of salt
3. addition of sugar etc.