Question

Among the following, which one acts as a food preservative?
a) Aspartame
b) Aspirin
c) Sodium Benzoate
d) Paracetamol

Answer 1

sodium benzoate
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Answer 2

Answer: Option (C) is the correct answer.

Explanation:

Aspartame is an artificial sweetener which is used in place of sugar in some foods and drinks (beverages). Aspartame is a non-saccharide and not a preservative.

Aspirin is a medicine which is used to relieve pain, fever or inflammation. Hence, it is not a preservative.

Sodium benzoate is a salt of benzoic acid with chemical formula $NaC_{7}H_{5}O_{2}$. It is used in food items for example, pickels, jams, slada dressings etc. Addition of sodium benzoate prevents the food from getting spoiled. Hence, it acts as a food preservative.

Sodium benzoate is useful when used in small quantities but it can be dangerous when used in excess.

Paracetamol is also a medicine which is used in pain and fever. It is basically used for mild to moderate pain relief.

Thus, we can conclude that out of the given options, sodium benzoate acts as a food preservative.