Food

What are onions make you cry?


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Onions produce the chemical irritant known as syn-propanethial-S-oxide. It stimulates the eyes' lachrymal glands so they release tears

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The chemical in onions that makes you cry is called syn-propanethial-S-oxide. When you cut the lemon, the chemical becomes airborne, irritates your eyes, and makes you produce tears.

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