1.

What is the eye irritating compound when cutting onions?A. CarbonB. NitrogenC. SulphurD. Hydrogen1. B2. C3. D4. A

Answer» Correct Answer - Option 2 : C

The correct answer is Sulphur.

  • The sulphur is the eye irritating compound that is released when cutting onions.
  • The syn-Propanethial-S-oxide is the chemical irritant produced by an onion.
  • This chemical stimulates the eyes' lachrymal glands which release tears.
  • Previously scientists used to blame enzyme alinase for the instability of substances in a cut onion.
  • In 2002, a study in Japan proved that lachrymatory factor synthase is responsible for irritation of the eyes.

 



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