Why Chopping Onions Makes You Cry Health24 Onions make you cry because they release a gas that irritates your eyes. learn how to reduce crying, prevent it, or try alternatives to onions in your cooking. Learn how onions produce sulfur gas that irritates your eyes and causes tears. find out how to minimize tearing up while cutting onions with some simple tips and tricks.
Human Tears Why Do Onions Make You Cry Aumsum Kids Science Learn how onions make you cry by producing a volatile compound called lachrymatory factor (lf) with the help of an enzyme called lachrymatory factor synthase (lfs). discover how the structure of lfs resembles human proteins and how it could be inhibited to create tear free onions. When you cut an onion, you break open cell after cell, releasing their liquidy contents. previously separated enzymes meet the sulfur rich amino acids and form unstable sulfenic acids, which then rearrange into a chemical known as syn propanethial s oxide. this sneaky chemical is volatile, meaning it easily vaporizes, and causes a burning. Onions are mild unless attacked. most do not even have a strong smell. but bitten or cut, they retaliate. the vengeful onion sends a toxic spittle into your eyes—it is a low molecular weight. When an onion is sliced open, it releases a pesky molecule known as a lachrymatory factor. when it hits your eyes, it’s all over. your lachrymal glands start churning out tears. scientists long.
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