Question

why do we cry when we cut onions ​

Answer 1

Onions produce the chemical irritant known as syn-propanethial-S-oxide. it produces cry.

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Answer 2

Onions produce the chemical irritant known as syn-propanethial-S-oxide. It stimulates the eyes' lachrymal glands so they release tears. Scientists used to blame the enzyme allinase for the instability of substances in a cut onion. ... Lachrymatory-factor synthase is released into the air when we cut an onion.

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