Which of the following is not a food preservative?
Table salt
Sugar
Sodium Benzoate
Sodium Oleate
As we have learnt,
Food preservatives prevent the spoilage of food due to microbial growth. The most commonly used preservatives include table salt, sugar, vegetable oils and sodium benzoate etc.
Sodium Oleate is not a preservative. It is a soap.
Hence, the correct answer is Option (4)
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