Question

How do you increase the shelflife of a vegetable oil without adding preservatives? Name the process
forit. Explain with one example.​

Answer 1

Answer:

by using an airtight container.

flush the pack with nitrogen gas(if the given food is not an oil)

Explanation:

by using air tight container:

we can use an airtight container to preserve a substance from (rancidity)oxidation. this increases the shelf life of a food material

by flushing nitrogen gas in the packet:

you can also flush the packet with N2 gas just like the chips packet which also prserves it from rancidy and thereby keeping the food grade fresh and healthy.

hope it helps you.

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