Question

Explore the refrigerator or the kitchen and list at least five food items that are
preserved using preservatives. Also find out the mode of action of each preservative.

Answer 1

Dear student,
Five food items that are preserved using preservatives are-
Jam-
Jam contains benzoic acid.
Benzoic acid is also known as sodium benzoate.
Mode of action-Benzoic acid keeps mold , yeast and bacteria away from the jam.
Dry fruits-
Dry fruits contain sulphites.
Mode of action- Sulphites acts as antioxidant. It keeps insects and microorganisms away.
Bread-
Bread contains propionic acid.
Mode of action- Propionic acid acts as antimicrobial and keeps away molds.
Jelly-
Jelly contains benzoic acid.
Benzoic acid is also known as sodium benzoate.
Mode of action-Benzoic acid keeps mold , yeast and bacteria away from the jelly
Cheese-
Cheese contains propionic acid.
Mode of action- Propionic acid acts as antimicrobial and keeps away molds.
Regards



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