Why do you cry when you cut onions?
21 years old
2018-05-01
I like to eat onions, but every time I cut onions, I shed tears. I am worried about my health. Why would I cry when I cut onions?
1 Answer These messages are for reference only
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BY Ina Barton 2018-05-01When cutting onions, I believe that there are tears in the face. In fact, this is the volatile substance produced by the enzyme reaction released by the broken onion cells-propylthioaldehyde-S-oxide, which will directly stimulate the human tear glands. You can't help crying.3
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