Question

what are preservatives

Answer 1

Preservative are the anti oxidants substances that are added to the food stuffs to prevent the food from the phenomenon of Rancidity.
e.g....salt , sugar ,vinegar ...

Answer 2

Chemical added to a food or material to prevent the growth of microorganisms, or occurrence of undesirable chemical reactions such as oxidation, that spoil it.
is known as preservatives example--- vinegar ...
hope it help ..
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