Name two food preservatives.

What do you mean by food preservatives ? Give names of any two food preservatives.

Explain the following term with one example : Food preservatives.

What are food preservatives ?

Which of the following are not used as food preservatives?

How many of the following are food preservatives ? potassium metabisulphite, aspartame, sodium benzoate, BHA, saccharin, alitame, dulcin.