KBC 13: Which one of the following is used as a food preservative?
KBC Offline Quiz 2021: Which one of the following is used as a food preservative?
a. Sodium benzoate
b. Sodium thiosulphate
c. Sodium hydroxide
d. Sodium bicarbonate
Answer: a. Sodium benzoate
Sodium benzoate is an organic sodium salt resulting from the replacement of the proton from the carboxy group of benzoic acid by a sodium ion. It has a role as an antimicrobial food preservative, a drug allergen, an EC 188.8.131.52 (arachidonate 15-lipoxygenase) inhibitor, an EC 184.108.40.206 (triacylglycerol lipase) inhibitor, an algal metabolite, a human xenobiotic metabolite, and a plant metabolite.
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