General Science question from Sub Inspector exam, 2022 by JKSSB
What is the full form of MSG, a chief flavor enhancer used in the food industry?
Last updated Jun 24, 2026
Correct Answer:
Option B —
Monosodium glutamate
MSG is a sodium salt of glutamic acid, one of the most abundant naturally occurring non-essential amino acids. It is used in the food industry to provide a savory, "meaty" taste known as umami, which is considered the fifth basic taste alongside sweet, sour, salty, and bitter.Key Facts about MSGDiscovery: It was first identified in 1908 by Japanese scientist Kikunae Ikeda, who extracted it from seaweed (kombu).Chemical Formula: The chemical formula for monosodium glutamate is C_{5}H_{8}NO_{4}Na Mechanism: It works by stimulating specific glutamate receptors on the tongue, enhancing the savory profile of soups, snacks, and processed meats.
Safety: While some people report sensitivity (often called "Chinese Restaurant Syndrome"), major health organizations like the FDA and EFSA classify MSG as Generally Recognized as Safe (GRAS).
Answer verified by Quintessence Classes faculty — Karan Nagar, Srinagar.